From 6d4116b04903f0fd3c1ffee190c29a1f72b1937b Mon Sep 17 00:00:00 2001 From: Vlad Stan Date: Wed, 10 Aug 2022 16:53:39 +0300 Subject: [PATCH] feat: working version. commit not to lose --- .../components/serial-signer/serial-signer.js | 45 +- .../components/wallet-config/wallet-config.js | 119 ++ .../watchonly/static/js/crypto/aes.js | 803 +++++++++++ .../static/js/crypto/noble-secp256k1.js | 1177 +++++++++++++++++ .../extensions/watchonly/static/js/utils.js | 156 +++ .../watchonly/templates/watchonly/index.html | 2 + 6 files changed, 2299 insertions(+), 3 deletions(-) create mode 100644 lnbits/extensions/watchonly/static/js/crypto/aes.js create mode 100644 lnbits/extensions/watchonly/static/js/crypto/noble-secp256k1.js diff --git a/lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.js b/lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.js index b12550319..f756eaaa3 100644 --- a/lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.js +++ b/lnbits/extensions/watchonly/static/components/serial-signer/serial-signer.js @@ -70,6 +70,7 @@ async function serialSigner(path) { navigator.serial.addEventListener('disconnect', () => { console.log('### navigator.serial event: disconnected!', event) + this.selectedPort = null this.hww.authenticated = false this.$q.notify({ type: 'warning', @@ -113,14 +114,12 @@ async function serialSigner(path) { /* Ignore the error */ }) if (this.selectedPort) await this.selectedPort.close() - this.selectedPort = null this.$q.notify({ type: 'positive', message: 'Serial port disconnected!', timeout: 5000 }) } catch (error) { - this.selectedPort = null this.$q.notify({ type: 'warning', message: 'Cannot close serial port!', @@ -128,6 +127,7 @@ async function serialSigner(path) { timeout: 10000 }) } finally { + this.selectedPort = null this.hww.authenticated = false } }, @@ -442,8 +442,47 @@ async function serialSigner(path) { }) }, hwwHelp: async function () { + const sharedSecret = + 'f96c85875055a5586688fea4cf7c4a2bd9541ffcf34f9d663d97e0cf2f6af4af' + const sharedSecretBytes = hexToBytes(sharedSecret) + console.log('### sharedSecret', sharedSecret) + const key = await window.crypto.subtle.importKey( + 'raw', + sharedSecretBytes, + { + name: 'AES-CBC', + length: 256 + }, + true, + ['encrypt', 'decrypt'] + ) + // d2b9e5e3ff8945236455424e9e25590b8264f13c7484862cca4f5b7b8bf8f1686d218b4f1aacdc27a1df71fa4b530adfd6c8cae6bd926d3f8be8ff55ee4358d1a32569e9f5263ffae7d0eaf413788498 + // xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx + // 6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710 + // 8f13a7763f021d7701f4100631f6c3d80576fcd0e3718b2594ceb7b910ceed29a334d1019dd6f0ffdba5b6be8c11637d6124d7adbd29c88af13800cb1f980f7d + + const message = + 'TextMustBe16ByteTextMustBe16ByteTextMustBe16ByteTextMustBe16Byte' + const encoded = asciiToUint8Array(message) + const encrypted = await encryptMessage(key, encoded) + const encryptedHex = bytesToHex(encrypted) + console.log('### encrypted hex: ', encryptedHex) + + const encryptedHex2 = await encryptMessage2(sharedSecretBytes, message) + console.log('### encryptedHex2', encryptedHex2) + + const decrypted = await decryptMessage(key, encrypted) + console.log( + '### decrypted hex: ', + bytesToHex(new Uint8Array(decrypted)) + ) + console.log( + '### decrypted ascii: ', + new TextDecoder().decode(new Uint8Array(decrypted)) + ) + try { - await this.writer.write(COMMAND_HELP + '\n') + await this.writer.write(COMMAND_HELP + ' ' + encryptedHex + '\n') this.$q.notify({ type: 'positive', message: 'Check display or console for details!', diff --git a/lnbits/extensions/watchonly/static/components/wallet-config/wallet-config.js b/lnbits/extensions/watchonly/static/components/wallet-config/wallet-config.js index 447dc65c7..5ce63c796 100644 --- a/lnbits/extensions/watchonly/static/components/wallet-config/wallet-config.js +++ b/lnbits/extensions/watchonly/static/components/wallet-config/wallet-config.js @@ -58,10 +58,129 @@ async function walletConfig(path) { } catch (error) { LNbits.utils.notifyApiError(error) } + }, + deriveSecretKey: async function (privateKey, publicKey) { + return window.crypto.subtle.deriveKey( + { + name: 'ECDH', + public: publicKey + }, + privateKey, + { + name: 'AES-GCM', + length: 256 + }, + true, + ['encrypt', 'decrypt'] + ) + }, + old: async function () { + const alicesKeyPair = await window.crypto.subtle.generateKey( + { + name: 'ECDH', + namedCurve: 'P-256' + }, + true, + ['deriveKey'] + ) + const bobsKeyPair = await window.crypto.subtle.generateKey( + { + name: 'ECDH', + namedCurve: 'P-256' + }, + true, + ['deriveKey'] + ) + console.log('### alicesKeyPair', alicesKeyPair) + console.log('### alicesKeyPair.privateKey', alicesKeyPair.privateKey) + console.log('### alicesKeyPair.publicKey', alicesKeyPair.publicKey) + const alicesPriveKey = await window.crypto.subtle.exportKey( + 'jwk', + alicesKeyPair.privateKey + ) + console.log('### alicesPriveKey', alicesPriveKey) + + const alicesPriveKeyBase64 = toStdBase64(alicesPriveKey.d) + console.log( + '### alicesPriveKeyBase64', + alicesPriveKeyBase64, + base64ToHex(alicesPriveKeyBase64) + ) + + const bobPublicKey = await window.crypto.subtle.exportKey( + 'raw', + bobsKeyPair.publicKey + ) + console.log('### bobPublicKey hex', buf2hex(bobPublicKey)) + + // const sharedSecret01 = await this.deriveSecretKey(alicesKeyPair.privateKey, bobsKeyPair.publicKey) + // console.log('### sharedSecret01', sharedSecret01) + // const sharedSecret01Raw = await window.crypto.subtle.exportKey('jwk', sharedSecret01) + // console.log('### sharedSecret01Raw', sharedSecret01Raw) + + // const sharedSecret02 = await this.deriveSecretKey(bobsKeyPair.privateKey, alicesKeyPair.publicKey) + // console.log('### sharedSecret02', sharedSecret02) + // const sharedSecret02Raw = await window.crypto.subtle.exportKey('jwk', sharedSecret02) + // console.log('### sharedSecret02Raw', sharedSecret02Raw) + + const sharedSecret = nobleSecp256k1.getSharedSecret( + alicesPriveKey, + buf2hex(bobPublicKey) + ) + console.log('###', getSharedSecret) + }, + importSecretKey: async function (rawKey) { + return window.crypto.subtle.importKey('raw', rawKey, 'AES-GCM', true, [ + 'encrypt', + 'decrypt' + ]) } }, + created: async function () { await this.getConfig() + // ### in: 6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710 + // ### in2: 073059e23605fe508919d892501974905f8b5e13728db63b1b7b9326951abbe4f722c104bc82a4bcf3f1e15ede8ab7d5eb00be8c46271e1f65867f984e9cb5f1 + + const alicesPrivateKey = + '359A8CA1418C49DD26DC7D92C789AC33347F64C6B7789C666098805AF3CC60E5' + + const bobsPrivateKey = + 'AB52F1F981F639BD83F884703BC690B10DB709FF48806680A0D3FBC6475E6093' + + const alicesPublicKey = nobleSecp256k1.Point.fromPrivateKey( + alicesPrivateKey + ) + console.log('### alicesPublicKey', alicesPublicKey.toHex()) + + const bobsPublicKey = nobleSecp256k1.Point.fromPrivateKey(bobsPrivateKey) + console.log('### bobsPublicKey', bobsPublicKey.toHex()) + + const sharedSecret = nobleSecp256k1.getSharedSecret( + alicesPrivateKey, + bobsPublicKey + ) + + console.log('### sharedSecret naked', sharedSecret) + + console.log( + '### sharedSecret a', + nobleSecp256k1.utils.bytesToHex(sharedSecret) + ) + console.log( + '### sharedSecret b', + nobleSecp256k1.Point.fromHex(sharedSecret) + ) + console.log( + '### sharedSecret b', + nobleSecp256k1.Point.fromHex(sharedSecret).toHex(true) + ) + + const alicesPrivateKeyBytes = nobleSecp256k1.utils.hexToBytes( + alicesPrivateKey + ) + const x = await this.importSecretKey(alicesPrivateKeyBytes) + console.log('### x', x) } }) } diff --git a/lnbits/extensions/watchonly/static/js/crypto/aes.js b/lnbits/extensions/watchonly/static/js/crypto/aes.js new file mode 100644 index 000000000..2f6ef7607 --- /dev/null +++ b/lnbits/extensions/watchonly/static/js/crypto/aes.js @@ -0,0 +1,803 @@ +/*! MIT License. Copyright 2015-2018 Richard Moore . See LICENSE.txt. */ +(function(root) { + "use strict"; + + function checkInt(value) { + return (parseInt(value) === value); + } + + function checkInts(arrayish) { + if (!checkInt(arrayish.length)) { return false; } + + for (var i = 0; i < arrayish.length; i++) { + if (!checkInt(arrayish[i]) || arrayish[i] < 0 || arrayish[i] > 255) { + return false; + } + } + + return true; + } + + function coerceArray(arg, copy) { + + // ArrayBuffer view + if (arg.buffer && arg.name === 'Uint8Array') { + + if (copy) { + if (arg.slice) { + arg = arg.slice(); + } else { + arg = Array.prototype.slice.call(arg); + } + } + + return arg; + } + + // It's an array; check it is a valid representation of a byte + if (Array.isArray(arg)) { + if (!checkInts(arg)) { + throw new Error('Array contains invalid value: ' + arg); + } + + return new Uint8Array(arg); + } + + // Something else, but behaves like an array (maybe a Buffer? Arguments?) + if (checkInt(arg.length) && checkInts(arg)) { + return new Uint8Array(arg); + } + + throw new Error('unsupported array-like object'); + } + + function createArray(length) { + return new Uint8Array(length); + } + + function copyArray(sourceArray, targetArray, targetStart, sourceStart, sourceEnd) { + if (sourceStart != null || sourceEnd != null) { + if (sourceArray.slice) { + sourceArray = sourceArray.slice(sourceStart, sourceEnd); + } else { + sourceArray = Array.prototype.slice.call(sourceArray, sourceStart, sourceEnd); + } + } + targetArray.set(sourceArray, targetStart); + } + + + + var convertUtf8 = (function() { + function toBytes(text) { + var result = [], i = 0; + text = encodeURI(text); + while (i < text.length) { + var c = text.charCodeAt(i++); + + // if it is a % sign, encode the following 2 bytes as a hex value + if (c === 37) { + result.push(parseInt(text.substr(i, 2), 16)) + i += 2; + + // otherwise, just the actual byte + } else { + result.push(c) + } + } + + return coerceArray(result); + } + + function fromBytes(bytes) { + var result = [], i = 0; + + while (i < bytes.length) { + var c = bytes[i]; + + if (c < 128) { + result.push(String.fromCharCode(c)); + i++; + } else if (c > 191 && c < 224) { + result.push(String.fromCharCode(((c & 0x1f) << 6) | (bytes[i + 1] & 0x3f))); + i += 2; + } else { + result.push(String.fromCharCode(((c & 0x0f) << 12) | ((bytes[i + 1] & 0x3f) << 6) | (bytes[i + 2] & 0x3f))); + i += 3; + } + } + + return result.join(''); + } + + return { + toBytes: toBytes, + fromBytes: fromBytes, + } + })(); + + var convertHex = (function() { + function toBytes(text) { + var result = []; + for (var i = 0; i < text.length; i += 2) { + result.push(parseInt(text.substr(i, 2), 16)); + } + + return result; + } + + // http://ixti.net/development/javascript/2011/11/11/base64-encodedecode-of-utf8-in-browser-with-js.html + var Hex = '0123456789abcdef'; + + function fromBytes(bytes) { + var result = []; + for (var i = 0; i < bytes.length; i++) { + var v = bytes[i]; + result.push(Hex[(v & 0xf0) >> 4] + Hex[v & 0x0f]); + } + return result.join(''); + } + + return { + toBytes: toBytes, + fromBytes: fromBytes, + } + })(); + + + // Number of rounds by keysize + var numberOfRounds = {16: 10, 24: 12, 32: 14} + + // Round constant words + var rcon = [0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91]; + + // S-box and Inverse S-box (S is for Substitution) + var S = [0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16]; + var Si =[0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d]; + + // Transformations for encryption + var T1 = [0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d, 0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554, 0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d, 0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a, 0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87, 0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b, 0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea, 0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b, 0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a, 0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f, 0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108, 0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f, 0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e, 0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5, 0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d, 0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f, 0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e, 0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb, 0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce, 0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497, 0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c, 0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed, 0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b, 0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a, 0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16, 0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594, 0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81, 0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3, 0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a, 0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504, 0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163, 0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d, 0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f, 0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739, 0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47, 0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395, 0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f, 0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883, 0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c, 0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76, 0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e, 0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4, 0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6, 0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b, 0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7, 0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0, 0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25, 0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818, 0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72, 0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651, 0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21, 0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85, 0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa, 0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12, 0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0, 0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9, 0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133, 0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7, 0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920, 0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a, 0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17, 0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8, 0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11, 0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a]; + var T2 = [0xa5c66363, 0x84f87c7c, 0x99ee7777, 0x8df67b7b, 0x0dfff2f2, 0xbdd66b6b, 0xb1de6f6f, 0x5491c5c5, 0x50603030, 0x03020101, 0xa9ce6767, 0x7d562b2b, 0x19e7fefe, 0x62b5d7d7, 0xe64dabab, 0x9aec7676, 0x458fcaca, 0x9d1f8282, 0x4089c9c9, 0x87fa7d7d, 0x15effafa, 0xebb25959, 0xc98e4747, 0x0bfbf0f0, 0xec41adad, 0x67b3d4d4, 0xfd5fa2a2, 0xea45afaf, 0xbf239c9c, 0xf753a4a4, 0x96e47272, 0x5b9bc0c0, 0xc275b7b7, 0x1ce1fdfd, 0xae3d9393, 0x6a4c2626, 0x5a6c3636, 0x417e3f3f, 0x02f5f7f7, 0x4f83cccc, 0x5c683434, 0xf451a5a5, 0x34d1e5e5, 0x08f9f1f1, 0x93e27171, 0x73abd8d8, 0x53623131, 0x3f2a1515, 0x0c080404, 0x5295c7c7, 0x65462323, 0x5e9dc3c3, 0x28301818, 0xa1379696, 0x0f0a0505, 0xb52f9a9a, 0x090e0707, 0x36241212, 0x9b1b8080, 0x3ddfe2e2, 0x26cdebeb, 0x694e2727, 0xcd7fb2b2, 0x9fea7575, 0x1b120909, 0x9e1d8383, 0x74582c2c, 0x2e341a1a, 0x2d361b1b, 0xb2dc6e6e, 0xeeb45a5a, 0xfb5ba0a0, 0xf6a45252, 0x4d763b3b, 0x61b7d6d6, 0xce7db3b3, 0x7b522929, 0x3edde3e3, 0x715e2f2f, 0x97138484, 0xf5a65353, 0x68b9d1d1, 0x00000000, 0x2cc1eded, 0x60402020, 0x1fe3fcfc, 0xc879b1b1, 0xedb65b5b, 0xbed46a6a, 0x468dcbcb, 0xd967bebe, 0x4b723939, 0xde944a4a, 0xd4984c4c, 0xe8b05858, 0x4a85cfcf, 0x6bbbd0d0, 0x2ac5efef, 0xe54faaaa, 0x16edfbfb, 0xc5864343, 0xd79a4d4d, 0x55663333, 0x94118585, 0xcf8a4545, 0x10e9f9f9, 0x06040202, 0x81fe7f7f, 0xf0a05050, 0x44783c3c, 0xba259f9f, 0xe34ba8a8, 0xf3a25151, 0xfe5da3a3, 0xc0804040, 0x8a058f8f, 0xad3f9292, 0xbc219d9d, 0x48703838, 0x04f1f5f5, 0xdf63bcbc, 0xc177b6b6, 0x75afdada, 0x63422121, 0x30201010, 0x1ae5ffff, 0x0efdf3f3, 0x6dbfd2d2, 0x4c81cdcd, 0x14180c0c, 0x35261313, 0x2fc3ecec, 0xe1be5f5f, 0xa2359797, 0xcc884444, 0x392e1717, 0x5793c4c4, 0xf255a7a7, 0x82fc7e7e, 0x477a3d3d, 0xacc86464, 0xe7ba5d5d, 0x2b321919, 0x95e67373, 0xa0c06060, 0x98198181, 0xd19e4f4f, 0x7fa3dcdc, 0x66442222, 0x7e542a2a, 0xab3b9090, 0x830b8888, 0xca8c4646, 0x29c7eeee, 0xd36bb8b8, 0x3c281414, 0x79a7dede, 0xe2bc5e5e, 0x1d160b0b, 0x76addbdb, 0x3bdbe0e0, 0x56643232, 0x4e743a3a, 0x1e140a0a, 0xdb924949, 0x0a0c0606, 0x6c482424, 0xe4b85c5c, 0x5d9fc2c2, 0x6ebdd3d3, 0xef43acac, 0xa6c46262, 0xa8399191, 0xa4319595, 0x37d3e4e4, 0x8bf27979, 0x32d5e7e7, 0x438bc8c8, 0x596e3737, 0xb7da6d6d, 0x8c018d8d, 0x64b1d5d5, 0xd29c4e4e, 0xe049a9a9, 0xb4d86c6c, 0xfaac5656, 0x07f3f4f4, 0x25cfeaea, 0xafca6565, 0x8ef47a7a, 0xe947aeae, 0x18100808, 0xd56fbaba, 0x88f07878, 0x6f4a2525, 0x725c2e2e, 0x24381c1c, 0xf157a6a6, 0xc773b4b4, 0x5197c6c6, 0x23cbe8e8, 0x7ca1dddd, 0x9ce87474, 0x213e1f1f, 0xdd964b4b, 0xdc61bdbd, 0x860d8b8b, 0x850f8a8a, 0x90e07070, 0x427c3e3e, 0xc471b5b5, 0xaacc6666, 0xd8904848, 0x05060303, 0x01f7f6f6, 0x121c0e0e, 0xa3c26161, 0x5f6a3535, 0xf9ae5757, 0xd069b9b9, 0x91178686, 0x5899c1c1, 0x273a1d1d, 0xb9279e9e, 0x38d9e1e1, 0x13ebf8f8, 0xb32b9898, 0x33221111, 0xbbd26969, 0x70a9d9d9, 0x89078e8e, 0xa7339494, 0xb62d9b9b, 0x223c1e1e, 0x92158787, 0x20c9e9e9, 0x4987cece, 0xffaa5555, 0x78502828, 0x7aa5dfdf, 0x8f038c8c, 0xf859a1a1, 0x80098989, 0x171a0d0d, 0xda65bfbf, 0x31d7e6e6, 0xc6844242, 0xb8d06868, 0xc3824141, 0xb0299999, 0x775a2d2d, 0x111e0f0f, 0xcb7bb0b0, 0xfca85454, 0xd66dbbbb, 0x3a2c1616]; + var T3 = [0x63a5c663, 0x7c84f87c, 0x7799ee77, 0x7b8df67b, 0xf20dfff2, 0x6bbdd66b, 0x6fb1de6f, 0xc55491c5, 0x30506030, 0x01030201, 0x67a9ce67, 0x2b7d562b, 0xfe19e7fe, 0xd762b5d7, 0xabe64dab, 0x769aec76, 0xca458fca, 0x829d1f82, 0xc94089c9, 0x7d87fa7d, 0xfa15effa, 0x59ebb259, 0x47c98e47, 0xf00bfbf0, 0xadec41ad, 0xd467b3d4, 0xa2fd5fa2, 0xafea45af, 0x9cbf239c, 0xa4f753a4, 0x7296e472, 0xc05b9bc0, 0xb7c275b7, 0xfd1ce1fd, 0x93ae3d93, 0x266a4c26, 0x365a6c36, 0x3f417e3f, 0xf702f5f7, 0xcc4f83cc, 0x345c6834, 0xa5f451a5, 0xe534d1e5, 0xf108f9f1, 0x7193e271, 0xd873abd8, 0x31536231, 0x153f2a15, 0x040c0804, 0xc75295c7, 0x23654623, 0xc35e9dc3, 0x18283018, 0x96a13796, 0x050f0a05, 0x9ab52f9a, 0x07090e07, 0x12362412, 0x809b1b80, 0xe23ddfe2, 0xeb26cdeb, 0x27694e27, 0xb2cd7fb2, 0x759fea75, 0x091b1209, 0x839e1d83, 0x2c74582c, 0x1a2e341a, 0x1b2d361b, 0x6eb2dc6e, 0x5aeeb45a, 0xa0fb5ba0, 0x52f6a452, 0x3b4d763b, 0xd661b7d6, 0xb3ce7db3, 0x297b5229, 0xe33edde3, 0x2f715e2f, 0x84971384, 0x53f5a653, 0xd168b9d1, 0x00000000, 0xed2cc1ed, 0x20604020, 0xfc1fe3fc, 0xb1c879b1, 0x5bedb65b, 0x6abed46a, 0xcb468dcb, 0xbed967be, 0x394b7239, 0x4ade944a, 0x4cd4984c, 0x58e8b058, 0xcf4a85cf, 0xd06bbbd0, 0xef2ac5ef, 0xaae54faa, 0xfb16edfb, 0x43c58643, 0x4dd79a4d, 0x33556633, 0x85941185, 0x45cf8a45, 0xf910e9f9, 0x02060402, 0x7f81fe7f, 0x50f0a050, 0x3c44783c, 0x9fba259f, 0xa8e34ba8, 0x51f3a251, 0xa3fe5da3, 0x40c08040, 0x8f8a058f, 0x92ad3f92, 0x9dbc219d, 0x38487038, 0xf504f1f5, 0xbcdf63bc, 0xb6c177b6, 0xda75afda, 0x21634221, 0x10302010, 0xff1ae5ff, 0xf30efdf3, 0xd26dbfd2, 0xcd4c81cd, 0x0c14180c, 0x13352613, 0xec2fc3ec, 0x5fe1be5f, 0x97a23597, 0x44cc8844, 0x17392e17, 0xc45793c4, 0xa7f255a7, 0x7e82fc7e, 0x3d477a3d, 0x64acc864, 0x5de7ba5d, 0x192b3219, 0x7395e673, 0x60a0c060, 0x81981981, 0x4fd19e4f, 0xdc7fa3dc, 0x22664422, 0x2a7e542a, 0x90ab3b90, 0x88830b88, 0x46ca8c46, 0xee29c7ee, 0xb8d36bb8, 0x143c2814, 0xde79a7de, 0x5ee2bc5e, 0x0b1d160b, 0xdb76addb, 0xe03bdbe0, 0x32566432, 0x3a4e743a, 0x0a1e140a, 0x49db9249, 0x060a0c06, 0x246c4824, 0x5ce4b85c, 0xc25d9fc2, 0xd36ebdd3, 0xacef43ac, 0x62a6c462, 0x91a83991, 0x95a43195, 0xe437d3e4, 0x798bf279, 0xe732d5e7, 0xc8438bc8, 0x37596e37, 0x6db7da6d, 0x8d8c018d, 0xd564b1d5, 0x4ed29c4e, 0xa9e049a9, 0x6cb4d86c, 0x56faac56, 0xf407f3f4, 0xea25cfea, 0x65afca65, 0x7a8ef47a, 0xaee947ae, 0x08181008, 0xbad56fba, 0x7888f078, 0x256f4a25, 0x2e725c2e, 0x1c24381c, 0xa6f157a6, 0xb4c773b4, 0xc65197c6, 0xe823cbe8, 0xdd7ca1dd, 0x749ce874, 0x1f213e1f, 0x4bdd964b, 0xbddc61bd, 0x8b860d8b, 0x8a850f8a, 0x7090e070, 0x3e427c3e, 0xb5c471b5, 0x66aacc66, 0x48d89048, 0x03050603, 0xf601f7f6, 0x0e121c0e, 0x61a3c261, 0x355f6a35, 0x57f9ae57, 0xb9d069b9, 0x86911786, 0xc15899c1, 0x1d273a1d, 0x9eb9279e, 0xe138d9e1, 0xf813ebf8, 0x98b32b98, 0x11332211, 0x69bbd269, 0xd970a9d9, 0x8e89078e, 0x94a73394, 0x9bb62d9b, 0x1e223c1e, 0x87921587, 0xe920c9e9, 0xce4987ce, 0x55ffaa55, 0x28785028, 0xdf7aa5df, 0x8c8f038c, 0xa1f859a1, 0x89800989, 0x0d171a0d, 0xbfda65bf, 0xe631d7e6, 0x42c68442, 0x68b8d068, 0x41c38241, 0x99b02999, 0x2d775a2d, 0x0f111e0f, 0xb0cb7bb0, 0x54fca854, 0xbbd66dbb, 0x163a2c16]; + var T4 = [0x6363a5c6, 0x7c7c84f8, 0x777799ee, 0x7b7b8df6, 0xf2f20dff, 0x6b6bbdd6, 0x6f6fb1de, 0xc5c55491, 0x30305060, 0x01010302, 0x6767a9ce, 0x2b2b7d56, 0xfefe19e7, 0xd7d762b5, 0xababe64d, 0x76769aec, 0xcaca458f, 0x82829d1f, 0xc9c94089, 0x7d7d87fa, 0xfafa15ef, 0x5959ebb2, 0x4747c98e, 0xf0f00bfb, 0xadadec41, 0xd4d467b3, 0xa2a2fd5f, 0xafafea45, 0x9c9cbf23, 0xa4a4f753, 0x727296e4, 0xc0c05b9b, 0xb7b7c275, 0xfdfd1ce1, 0x9393ae3d, 0x26266a4c, 0x36365a6c, 0x3f3f417e, 0xf7f702f5, 0xcccc4f83, 0x34345c68, 0xa5a5f451, 0xe5e534d1, 0xf1f108f9, 0x717193e2, 0xd8d873ab, 0x31315362, 0x15153f2a, 0x04040c08, 0xc7c75295, 0x23236546, 0xc3c35e9d, 0x18182830, 0x9696a137, 0x05050f0a, 0x9a9ab52f, 0x0707090e, 0x12123624, 0x80809b1b, 0xe2e23ddf, 0xebeb26cd, 0x2727694e, 0xb2b2cd7f, 0x75759fea, 0x09091b12, 0x83839e1d, 0x2c2c7458, 0x1a1a2e34, 0x1b1b2d36, 0x6e6eb2dc, 0x5a5aeeb4, 0xa0a0fb5b, 0x5252f6a4, 0x3b3b4d76, 0xd6d661b7, 0xb3b3ce7d, 0x29297b52, 0xe3e33edd, 0x2f2f715e, 0x84849713, 0x5353f5a6, 0xd1d168b9, 0x00000000, 0xeded2cc1, 0x20206040, 0xfcfc1fe3, 0xb1b1c879, 0x5b5bedb6, 0x6a6abed4, 0xcbcb468d, 0xbebed967, 0x39394b72, 0x4a4ade94, 0x4c4cd498, 0x5858e8b0, 0xcfcf4a85, 0xd0d06bbb, 0xefef2ac5, 0xaaaae54f, 0xfbfb16ed, 0x4343c586, 0x4d4dd79a, 0x33335566, 0x85859411, 0x4545cf8a, 0xf9f910e9, 0x02020604, 0x7f7f81fe, 0x5050f0a0, 0x3c3c4478, 0x9f9fba25, 0xa8a8e34b, 0x5151f3a2, 0xa3a3fe5d, 0x4040c080, 0x8f8f8a05, 0x9292ad3f, 0x9d9dbc21, 0x38384870, 0xf5f504f1, 0xbcbcdf63, 0xb6b6c177, 0xdada75af, 0x21216342, 0x10103020, 0xffff1ae5, 0xf3f30efd, 0xd2d26dbf, 0xcdcd4c81, 0x0c0c1418, 0x13133526, 0xecec2fc3, 0x5f5fe1be, 0x9797a235, 0x4444cc88, 0x1717392e, 0xc4c45793, 0xa7a7f255, 0x7e7e82fc, 0x3d3d477a, 0x6464acc8, 0x5d5de7ba, 0x19192b32, 0x737395e6, 0x6060a0c0, 0x81819819, 0x4f4fd19e, 0xdcdc7fa3, 0x22226644, 0x2a2a7e54, 0x9090ab3b, 0x8888830b, 0x4646ca8c, 0xeeee29c7, 0xb8b8d36b, 0x14143c28, 0xdede79a7, 0x5e5ee2bc, 0x0b0b1d16, 0xdbdb76ad, 0xe0e03bdb, 0x32325664, 0x3a3a4e74, 0x0a0a1e14, 0x4949db92, 0x06060a0c, 0x24246c48, 0x5c5ce4b8, 0xc2c25d9f, 0xd3d36ebd, 0xacacef43, 0x6262a6c4, 0x9191a839, 0x9595a431, 0xe4e437d3, 0x79798bf2, 0xe7e732d5, 0xc8c8438b, 0x3737596e, 0x6d6db7da, 0x8d8d8c01, 0xd5d564b1, 0x4e4ed29c, 0xa9a9e049, 0x6c6cb4d8, 0x5656faac, 0xf4f407f3, 0xeaea25cf, 0x6565afca, 0x7a7a8ef4, 0xaeaee947, 0x08081810, 0xbabad56f, 0x787888f0, 0x25256f4a, 0x2e2e725c, 0x1c1c2438, 0xa6a6f157, 0xb4b4c773, 0xc6c65197, 0xe8e823cb, 0xdddd7ca1, 0x74749ce8, 0x1f1f213e, 0x4b4bdd96, 0xbdbddc61, 0x8b8b860d, 0x8a8a850f, 0x707090e0, 0x3e3e427c, 0xb5b5c471, 0x6666aacc, 0x4848d890, 0x03030506, 0xf6f601f7, 0x0e0e121c, 0x6161a3c2, 0x35355f6a, 0x5757f9ae, 0xb9b9d069, 0x86869117, 0xc1c15899, 0x1d1d273a, 0x9e9eb927, 0xe1e138d9, 0xf8f813eb, 0x9898b32b, 0x11113322, 0x6969bbd2, 0xd9d970a9, 0x8e8e8907, 0x9494a733, 0x9b9bb62d, 0x1e1e223c, 0x87879215, 0xe9e920c9, 0xcece4987, 0x5555ffaa, 0x28287850, 0xdfdf7aa5, 0x8c8c8f03, 0xa1a1f859, 0x89898009, 0x0d0d171a, 0xbfbfda65, 0xe6e631d7, 0x4242c684, 0x6868b8d0, 0x4141c382, 0x9999b029, 0x2d2d775a, 0x0f0f111e, 0xb0b0cb7b, 0x5454fca8, 0xbbbbd66d, 0x16163a2c]; + + // Transformations for decryption + var T5 = [0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96, 0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393, 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25, 0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f, 0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1, 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6, 0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da, 0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844, 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd, 0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4, 0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45, 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94, 0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7, 0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a, 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5, 0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c, 0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1, 0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a, 0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75, 0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051, 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46, 0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff, 0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77, 0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb, 0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000, 0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e, 0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927, 0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a, 0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e, 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16, 0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d, 0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8, 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd, 0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34, 0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163, 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120, 0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d, 0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0, 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422, 0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef, 0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36, 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4, 0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662, 0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5, 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3, 0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b, 0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8, 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6, 0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6, 0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0, 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815, 0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f, 0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df, 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f, 0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e, 0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713, 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89, 0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c, 0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf, 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86, 0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f, 0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541, 0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190, 0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742]; + var T6 = [0x5051f4a7, 0x537e4165, 0xc31a17a4, 0x963a275e, 0xcb3bab6b, 0xf11f9d45, 0xabacfa58, 0x934be303, 0x552030fa, 0xf6ad766d, 0x9188cc76, 0x25f5024c, 0xfc4fe5d7, 0xd7c52acb, 0x80263544, 0x8fb562a3, 0x49deb15a, 0x6725ba1b, 0x9845ea0e, 0xe15dfec0, 0x02c32f75, 0x12814cf0, 0xa38d4697, 0xc66bd3f9, 0xe7038f5f, 0x9515929c, 0xebbf6d7a, 0xda955259, 0x2dd4be83, 0xd3587421, 0x2949e069, 0x448ec9c8, 0x6a75c289, 0x78f48e79, 0x6b99583e, 0xdd27b971, 0xb6bee14f, 0x17f088ad, 0x66c920ac, 0xb47dce3a, 0x1863df4a, 0x82e51a31, 0x60975133, 0x4562537f, 0xe0b16477, 0x84bb6bae, 0x1cfe81a0, 0x94f9082b, 0x58704868, 0x198f45fd, 0x8794de6c, 0xb7527bf8, 0x23ab73d3, 0xe2724b02, 0x57e31f8f, 0x2a6655ab, 0x07b2eb28, 0x032fb5c2, 0x9a86c57b, 0xa5d33708, 0xf2302887, 0xb223bfa5, 0xba02036a, 0x5ced1682, 0x2b8acf1c, 0x92a779b4, 0xf0f307f2, 0xa14e69e2, 0xcd65daf4, 0xd50605be, 0x1fd13462, 0x8ac4a6fe, 0x9d342e53, 0xa0a2f355, 0x32058ae1, 0x75a4f6eb, 0x390b83ec, 0xaa4060ef, 0x065e719f, 0x51bd6e10, 0xf93e218a, 0x3d96dd06, 0xaedd3e05, 0x464de6bd, 0xb591548d, 0x0571c45d, 0x6f0406d4, 0xff605015, 0x241998fb, 0x97d6bde9, 0xcc894043, 0x7767d99e, 0xbdb0e842, 0x8807898b, 0x38e7195b, 0xdb79c8ee, 0x47a17c0a, 0xe97c420f, 0xc9f8841e, 0x00000000, 0x83098086, 0x48322bed, 0xac1e1170, 0x4e6c5a72, 0xfbfd0eff, 0x560f8538, 0x1e3daed5, 0x27362d39, 0x640a0fd9, 0x21685ca6, 0xd19b5b54, 0x3a24362e, 0xb10c0a67, 0x0f9357e7, 0xd2b4ee96, 0x9e1b9b91, 0x4f80c0c5, 0xa261dc20, 0x695a774b, 0x161c121a, 0x0ae293ba, 0xe5c0a02a, 0x433c22e0, 0x1d121b17, 0x0b0e090d, 0xadf28bc7, 0xb92db6a8, 0xc8141ea9, 0x8557f119, 0x4caf7507, 0xbbee99dd, 0xfda37f60, 0x9ff70126, 0xbc5c72f5, 0xc544663b, 0x345bfb7e, 0x768b4329, 0xdccb23c6, 0x68b6edfc, 0x63b8e4f1, 0xcad731dc, 0x10426385, 0x40139722, 0x2084c611, 0x7d854a24, 0xf8d2bb3d, 0x11aef932, 0x6dc729a1, 0x4b1d9e2f, 0xf3dcb230, 0xec0d8652, 0xd077c1e3, 0x6c2bb316, 0x99a970b9, 0xfa119448, 0x2247e964, 0xc4a8fc8c, 0x1aa0f03f, 0xd8567d2c, 0xef223390, 0xc787494e, 0xc1d938d1, 0xfe8ccaa2, 0x3698d40b, 0xcfa6f581, 0x28a57ade, 0x26dab78e, 0xa43fadbf, 0xe42c3a9d, 0x0d507892, 0x9b6a5fcc, 0x62547e46, 0xc2f68d13, 0xe890d8b8, 0x5e2e39f7, 0xf582c3af, 0xbe9f5d80, 0x7c69d093, 0xa96fd52d, 0xb3cf2512, 0x3bc8ac99, 0xa710187d, 0x6ee89c63, 0x7bdb3bbb, 0x09cd2678, 0xf46e5918, 0x01ec9ab7, 0xa8834f9a, 0x65e6956e, 0x7eaaffe6, 0x0821bccf, 0xe6ef15e8, 0xd9bae79b, 0xce4a6f36, 0xd4ea9f09, 0xd629b07c, 0xaf31a4b2, 0x312a3f23, 0x30c6a594, 0xc035a266, 0x37744ebc, 0xa6fc82ca, 0xb0e090d0, 0x1533a7d8, 0x4af10498, 0xf741ecda, 0x0e7fcd50, 0x2f1791f6, 0x8d764dd6, 0x4d43efb0, 0x54ccaa4d, 0xdfe49604, 0xe39ed1b5, 0x1b4c6a88, 0xb8c12c1f, 0x7f466551, 0x049d5eea, 0x5d018c35, 0x73fa8774, 0x2efb0b41, 0x5ab3671d, 0x5292dbd2, 0x33e91056, 0x136dd647, 0x8c9ad761, 0x7a37a10c, 0x8e59f814, 0x89eb133c, 0xeecea927, 0x35b761c9, 0xede11ce5, 0x3c7a47b1, 0x599cd2df, 0x3f55f273, 0x791814ce, 0xbf73c737, 0xea53f7cd, 0x5b5ffdaa, 0x14df3d6f, 0x867844db, 0x81caaff3, 0x3eb968c4, 0x2c382434, 0x5fc2a340, 0x72161dc3, 0x0cbce225, 0x8b283c49, 0x41ff0d95, 0x7139a801, 0xde080cb3, 0x9cd8b4e4, 0x906456c1, 0x617bcb84, 0x70d532b6, 0x74486c5c, 0x42d0b857]; + var T7 = [0xa75051f4, 0x65537e41, 0xa4c31a17, 0x5e963a27, 0x6bcb3bab, 0x45f11f9d, 0x58abacfa, 0x03934be3, 0xfa552030, 0x6df6ad76, 0x769188cc, 0x4c25f502, 0xd7fc4fe5, 0xcbd7c52a, 0x44802635, 0xa38fb562, 0x5a49deb1, 0x1b6725ba, 0x0e9845ea, 0xc0e15dfe, 0x7502c32f, 0xf012814c, 0x97a38d46, 0xf9c66bd3, 0x5fe7038f, 0x9c951592, 0x7aebbf6d, 0x59da9552, 0x832dd4be, 0x21d35874, 0x692949e0, 0xc8448ec9, 0x896a75c2, 0x7978f48e, 0x3e6b9958, 0x71dd27b9, 0x4fb6bee1, 0xad17f088, 0xac66c920, 0x3ab47dce, 0x4a1863df, 0x3182e51a, 0x33609751, 0x7f456253, 0x77e0b164, 0xae84bb6b, 0xa01cfe81, 0x2b94f908, 0x68587048, 0xfd198f45, 0x6c8794de, 0xf8b7527b, 0xd323ab73, 0x02e2724b, 0x8f57e31f, 0xab2a6655, 0x2807b2eb, 0xc2032fb5, 0x7b9a86c5, 0x08a5d337, 0x87f23028, 0xa5b223bf, 0x6aba0203, 0x825ced16, 0x1c2b8acf, 0xb492a779, 0xf2f0f307, 0xe2a14e69, 0xf4cd65da, 0xbed50605, 0x621fd134, 0xfe8ac4a6, 0x539d342e, 0x55a0a2f3, 0xe132058a, 0xeb75a4f6, 0xec390b83, 0xefaa4060, 0x9f065e71, 0x1051bd6e, 0x8af93e21, 0x063d96dd, 0x05aedd3e, 0xbd464de6, 0x8db59154, 0x5d0571c4, 0xd46f0406, 0x15ff6050, 0xfb241998, 0xe997d6bd, 0x43cc8940, 0x9e7767d9, 0x42bdb0e8, 0x8b880789, 0x5b38e719, 0xeedb79c8, 0x0a47a17c, 0x0fe97c42, 0x1ec9f884, 0x00000000, 0x86830980, 0xed48322b, 0x70ac1e11, 0x724e6c5a, 0xfffbfd0e, 0x38560f85, 0xd51e3dae, 0x3927362d, 0xd9640a0f, 0xa621685c, 0x54d19b5b, 0x2e3a2436, 0x67b10c0a, 0xe70f9357, 0x96d2b4ee, 0x919e1b9b, 0xc54f80c0, 0x20a261dc, 0x4b695a77, 0x1a161c12, 0xba0ae293, 0x2ae5c0a0, 0xe0433c22, 0x171d121b, 0x0d0b0e09, 0xc7adf28b, 0xa8b92db6, 0xa9c8141e, 0x198557f1, 0x074caf75, 0xddbbee99, 0x60fda37f, 0x269ff701, 0xf5bc5c72, 0x3bc54466, 0x7e345bfb, 0x29768b43, 0xc6dccb23, 0xfc68b6ed, 0xf163b8e4, 0xdccad731, 0x85104263, 0x22401397, 0x112084c6, 0x247d854a, 0x3df8d2bb, 0x3211aef9, 0xa16dc729, 0x2f4b1d9e, 0x30f3dcb2, 0x52ec0d86, 0xe3d077c1, 0x166c2bb3, 0xb999a970, 0x48fa1194, 0x642247e9, 0x8cc4a8fc, 0x3f1aa0f0, 0x2cd8567d, 0x90ef2233, 0x4ec78749, 0xd1c1d938, 0xa2fe8cca, 0x0b3698d4, 0x81cfa6f5, 0xde28a57a, 0x8e26dab7, 0xbfa43fad, 0x9de42c3a, 0x920d5078, 0xcc9b6a5f, 0x4662547e, 0x13c2f68d, 0xb8e890d8, 0xf75e2e39, 0xaff582c3, 0x80be9f5d, 0x937c69d0, 0x2da96fd5, 0x12b3cf25, 0x993bc8ac, 0x7da71018, 0x636ee89c, 0xbb7bdb3b, 0x7809cd26, 0x18f46e59, 0xb701ec9a, 0x9aa8834f, 0x6e65e695, 0xe67eaaff, 0xcf0821bc, 0xe8e6ef15, 0x9bd9bae7, 0x36ce4a6f, 0x09d4ea9f, 0x7cd629b0, 0xb2af31a4, 0x23312a3f, 0x9430c6a5, 0x66c035a2, 0xbc37744e, 0xcaa6fc82, 0xd0b0e090, 0xd81533a7, 0x984af104, 0xdaf741ec, 0x500e7fcd, 0xf62f1791, 0xd68d764d, 0xb04d43ef, 0x4d54ccaa, 0x04dfe496, 0xb5e39ed1, 0x881b4c6a, 0x1fb8c12c, 0x517f4665, 0xea049d5e, 0x355d018c, 0x7473fa87, 0x412efb0b, 0x1d5ab367, 0xd25292db, 0x5633e910, 0x47136dd6, 0x618c9ad7, 0x0c7a37a1, 0x148e59f8, 0x3c89eb13, 0x27eecea9, 0xc935b761, 0xe5ede11c, 0xb13c7a47, 0xdf599cd2, 0x733f55f2, 0xce791814, 0x37bf73c7, 0xcdea53f7, 0xaa5b5ffd, 0x6f14df3d, 0xdb867844, 0xf381caaf, 0xc43eb968, 0x342c3824, 0x405fc2a3, 0xc372161d, 0x250cbce2, 0x498b283c, 0x9541ff0d, 0x017139a8, 0xb3de080c, 0xe49cd8b4, 0xc1906456, 0x84617bcb, 0xb670d532, 0x5c74486c, 0x5742d0b8]; + var T8 = [0xf4a75051, 0x4165537e, 0x17a4c31a, 0x275e963a, 0xab6bcb3b, 0x9d45f11f, 0xfa58abac, 0xe303934b, 0x30fa5520, 0x766df6ad, 0xcc769188, 0x024c25f5, 0xe5d7fc4f, 0x2acbd7c5, 0x35448026, 0x62a38fb5, 0xb15a49de, 0xba1b6725, 0xea0e9845, 0xfec0e15d, 0x2f7502c3, 0x4cf01281, 0x4697a38d, 0xd3f9c66b, 0x8f5fe703, 0x929c9515, 0x6d7aebbf, 0x5259da95, 0xbe832dd4, 0x7421d358, 0xe0692949, 0xc9c8448e, 0xc2896a75, 0x8e7978f4, 0x583e6b99, 0xb971dd27, 0xe14fb6be, 0x88ad17f0, 0x20ac66c9, 0xce3ab47d, 0xdf4a1863, 0x1a3182e5, 0x51336097, 0x537f4562, 0x6477e0b1, 0x6bae84bb, 0x81a01cfe, 0x082b94f9, 0x48685870, 0x45fd198f, 0xde6c8794, 0x7bf8b752, 0x73d323ab, 0x4b02e272, 0x1f8f57e3, 0x55ab2a66, 0xeb2807b2, 0xb5c2032f, 0xc57b9a86, 0x3708a5d3, 0x2887f230, 0xbfa5b223, 0x036aba02, 0x16825ced, 0xcf1c2b8a, 0x79b492a7, 0x07f2f0f3, 0x69e2a14e, 0xdaf4cd65, 0x05bed506, 0x34621fd1, 0xa6fe8ac4, 0x2e539d34, 0xf355a0a2, 0x8ae13205, 0xf6eb75a4, 0x83ec390b, 0x60efaa40, 0x719f065e, 0x6e1051bd, 0x218af93e, 0xdd063d96, 0x3e05aedd, 0xe6bd464d, 0x548db591, 0xc45d0571, 0x06d46f04, 0x5015ff60, 0x98fb2419, 0xbde997d6, 0x4043cc89, 0xd99e7767, 0xe842bdb0, 0x898b8807, 0x195b38e7, 0xc8eedb79, 0x7c0a47a1, 0x420fe97c, 0x841ec9f8, 0x00000000, 0x80868309, 0x2bed4832, 0x1170ac1e, 0x5a724e6c, 0x0efffbfd, 0x8538560f, 0xaed51e3d, 0x2d392736, 0x0fd9640a, 0x5ca62168, 0x5b54d19b, 0x362e3a24, 0x0a67b10c, 0x57e70f93, 0xee96d2b4, 0x9b919e1b, 0xc0c54f80, 0xdc20a261, 0x774b695a, 0x121a161c, 0x93ba0ae2, 0xa02ae5c0, 0x22e0433c, 0x1b171d12, 0x090d0b0e, 0x8bc7adf2, 0xb6a8b92d, 0x1ea9c814, 0xf1198557, 0x75074caf, 0x99ddbbee, 0x7f60fda3, 0x01269ff7, 0x72f5bc5c, 0x663bc544, 0xfb7e345b, 0x4329768b, 0x23c6dccb, 0xedfc68b6, 0xe4f163b8, 0x31dccad7, 0x63851042, 0x97224013, 0xc6112084, 0x4a247d85, 0xbb3df8d2, 0xf93211ae, 0x29a16dc7, 0x9e2f4b1d, 0xb230f3dc, 0x8652ec0d, 0xc1e3d077, 0xb3166c2b, 0x70b999a9, 0x9448fa11, 0xe9642247, 0xfc8cc4a8, 0xf03f1aa0, 0x7d2cd856, 0x3390ef22, 0x494ec787, 0x38d1c1d9, 0xcaa2fe8c, 0xd40b3698, 0xf581cfa6, 0x7ade28a5, 0xb78e26da, 0xadbfa43f, 0x3a9de42c, 0x78920d50, 0x5fcc9b6a, 0x7e466254, 0x8d13c2f6, 0xd8b8e890, 0x39f75e2e, 0xc3aff582, 0x5d80be9f, 0xd0937c69, 0xd52da96f, 0x2512b3cf, 0xac993bc8, 0x187da710, 0x9c636ee8, 0x3bbb7bdb, 0x267809cd, 0x5918f46e, 0x9ab701ec, 0x4f9aa883, 0x956e65e6, 0xffe67eaa, 0xbccf0821, 0x15e8e6ef, 0xe79bd9ba, 0x6f36ce4a, 0x9f09d4ea, 0xb07cd629, 0xa4b2af31, 0x3f23312a, 0xa59430c6, 0xa266c035, 0x4ebc3774, 0x82caa6fc, 0x90d0b0e0, 0xa7d81533, 0x04984af1, 0xecdaf741, 0xcd500e7f, 0x91f62f17, 0x4dd68d76, 0xefb04d43, 0xaa4d54cc, 0x9604dfe4, 0xd1b5e39e, 0x6a881b4c, 0x2c1fb8c1, 0x65517f46, 0x5eea049d, 0x8c355d01, 0x877473fa, 0x0b412efb, 0x671d5ab3, 0xdbd25292, 0x105633e9, 0xd647136d, 0xd7618c9a, 0xa10c7a37, 0xf8148e59, 0x133c89eb, 0xa927eece, 0x61c935b7, 0x1ce5ede1, 0x47b13c7a, 0xd2df599c, 0xf2733f55, 0x14ce7918, 0xc737bf73, 0xf7cdea53, 0xfdaa5b5f, 0x3d6f14df, 0x44db8678, 0xaff381ca, 0x68c43eb9, 0x24342c38, 0xa3405fc2, 0x1dc37216, 0xe2250cbc, 0x3c498b28, 0x0d9541ff, 0xa8017139, 0x0cb3de08, 0xb4e49cd8, 0x56c19064, 0xcb84617b, 0x32b670d5, 0x6c5c7448, 0xb85742d0]; + + // Transformations for decryption key expansion + var U1 = [0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3]; + var U2 = [0x00000000, 0x0b0e090d, 0x161c121a, 0x1d121b17, 0x2c382434, 0x27362d39, 0x3a24362e, 0x312a3f23, 0x58704868, 0x537e4165, 0x4e6c5a72, 0x4562537f, 0x74486c5c, 0x7f466551, 0x62547e46, 0x695a774b, 0xb0e090d0, 0xbbee99dd, 0xa6fc82ca, 0xadf28bc7, 0x9cd8b4e4, 0x97d6bde9, 0x8ac4a6fe, 0x81caaff3, 0xe890d8b8, 0xe39ed1b5, 0xfe8ccaa2, 0xf582c3af, 0xc4a8fc8c, 0xcfa6f581, 0xd2b4ee96, 0xd9bae79b, 0x7bdb3bbb, 0x70d532b6, 0x6dc729a1, 0x66c920ac, 0x57e31f8f, 0x5ced1682, 0x41ff0d95, 0x4af10498, 0x23ab73d3, 0x28a57ade, 0x35b761c9, 0x3eb968c4, 0x0f9357e7, 0x049d5eea, 0x198f45fd, 0x12814cf0, 0xcb3bab6b, 0xc035a266, 0xdd27b971, 0xd629b07c, 0xe7038f5f, 0xec0d8652, 0xf11f9d45, 0xfa119448, 0x934be303, 0x9845ea0e, 0x8557f119, 0x8e59f814, 0xbf73c737, 0xb47dce3a, 0xa96fd52d, 0xa261dc20, 0xf6ad766d, 0xfda37f60, 0xe0b16477, 0xebbf6d7a, 0xda955259, 0xd19b5b54, 0xcc894043, 0xc787494e, 0xaedd3e05, 0xa5d33708, 0xb8c12c1f, 0xb3cf2512, 0x82e51a31, 0x89eb133c, 0x94f9082b, 0x9ff70126, 0x464de6bd, 0x4d43efb0, 0x5051f4a7, 0x5b5ffdaa, 0x6a75c289, 0x617bcb84, 0x7c69d093, 0x7767d99e, 0x1e3daed5, 0x1533a7d8, 0x0821bccf, 0x032fb5c2, 0x32058ae1, 0x390b83ec, 0x241998fb, 0x2f1791f6, 0x8d764dd6, 0x867844db, 0x9b6a5fcc, 0x906456c1, 0xa14e69e2, 0xaa4060ef, 0xb7527bf8, 0xbc5c72f5, 0xd50605be, 0xde080cb3, 0xc31a17a4, 0xc8141ea9, 0xf93e218a, 0xf2302887, 0xef223390, 0xe42c3a9d, 0x3d96dd06, 0x3698d40b, 0x2b8acf1c, 0x2084c611, 0x11aef932, 0x1aa0f03f, 0x07b2eb28, 0x0cbce225, 0x65e6956e, 0x6ee89c63, 0x73fa8774, 0x78f48e79, 0x49deb15a, 0x42d0b857, 0x5fc2a340, 0x54ccaa4d, 0xf741ecda, 0xfc4fe5d7, 0xe15dfec0, 0xea53f7cd, 0xdb79c8ee, 0xd077c1e3, 0xcd65daf4, 0xc66bd3f9, 0xaf31a4b2, 0xa43fadbf, 0xb92db6a8, 0xb223bfa5, 0x83098086, 0x8807898b, 0x9515929c, 0x9e1b9b91, 0x47a17c0a, 0x4caf7507, 0x51bd6e10, 0x5ab3671d, 0x6b99583e, 0x60975133, 0x7d854a24, 0x768b4329, 0x1fd13462, 0x14df3d6f, 0x09cd2678, 0x02c32f75, 0x33e91056, 0x38e7195b, 0x25f5024c, 0x2efb0b41, 0x8c9ad761, 0x8794de6c, 0x9a86c57b, 0x9188cc76, 0xa0a2f355, 0xabacfa58, 0xb6bee14f, 0xbdb0e842, 0xd4ea9f09, 0xdfe49604, 0xc2f68d13, 0xc9f8841e, 0xf8d2bb3d, 0xf3dcb230, 0xeecea927, 0xe5c0a02a, 0x3c7a47b1, 0x37744ebc, 0x2a6655ab, 0x21685ca6, 0x10426385, 0x1b4c6a88, 0x065e719f, 0x0d507892, 0x640a0fd9, 0x6f0406d4, 0x72161dc3, 0x791814ce, 0x48322bed, 0x433c22e0, 0x5e2e39f7, 0x552030fa, 0x01ec9ab7, 0x0ae293ba, 0x17f088ad, 0x1cfe81a0, 0x2dd4be83, 0x26dab78e, 0x3bc8ac99, 0x30c6a594, 0x599cd2df, 0x5292dbd2, 0x4f80c0c5, 0x448ec9c8, 0x75a4f6eb, 0x7eaaffe6, 0x63b8e4f1, 0x68b6edfc, 0xb10c0a67, 0xba02036a, 0xa710187d, 0xac1e1170, 0x9d342e53, 0x963a275e, 0x8b283c49, 0x80263544, 0xe97c420f, 0xe2724b02, 0xff605015, 0xf46e5918, 0xc544663b, 0xce4a6f36, 0xd3587421, 0xd8567d2c, 0x7a37a10c, 0x7139a801, 0x6c2bb316, 0x6725ba1b, 0x560f8538, 0x5d018c35, 0x40139722, 0x4b1d9e2f, 0x2247e964, 0x2949e069, 0x345bfb7e, 0x3f55f273, 0x0e7fcd50, 0x0571c45d, 0x1863df4a, 0x136dd647, 0xcad731dc, 0xc1d938d1, 0xdccb23c6, 0xd7c52acb, 0xe6ef15e8, 0xede11ce5, 0xf0f307f2, 0xfbfd0eff, 0x92a779b4, 0x99a970b9, 0x84bb6bae, 0x8fb562a3, 0xbe9f5d80, 0xb591548d, 0xa8834f9a, 0xa38d4697]; + var U3 = [0x00000000, 0x0d0b0e09, 0x1a161c12, 0x171d121b, 0x342c3824, 0x3927362d, 0x2e3a2436, 0x23312a3f, 0x68587048, 0x65537e41, 0x724e6c5a, 0x7f456253, 0x5c74486c, 0x517f4665, 0x4662547e, 0x4b695a77, 0xd0b0e090, 0xddbbee99, 0xcaa6fc82, 0xc7adf28b, 0xe49cd8b4, 0xe997d6bd, 0xfe8ac4a6, 0xf381caaf, 0xb8e890d8, 0xb5e39ed1, 0xa2fe8cca, 0xaff582c3, 0x8cc4a8fc, 0x81cfa6f5, 0x96d2b4ee, 0x9bd9bae7, 0xbb7bdb3b, 0xb670d532, 0xa16dc729, 0xac66c920, 0x8f57e31f, 0x825ced16, 0x9541ff0d, 0x984af104, 0xd323ab73, 0xde28a57a, 0xc935b761, 0xc43eb968, 0xe70f9357, 0xea049d5e, 0xfd198f45, 0xf012814c, 0x6bcb3bab, 0x66c035a2, 0x71dd27b9, 0x7cd629b0, 0x5fe7038f, 0x52ec0d86, 0x45f11f9d, 0x48fa1194, 0x03934be3, 0x0e9845ea, 0x198557f1, 0x148e59f8, 0x37bf73c7, 0x3ab47dce, 0x2da96fd5, 0x20a261dc, 0x6df6ad76, 0x60fda37f, 0x77e0b164, 0x7aebbf6d, 0x59da9552, 0x54d19b5b, 0x43cc8940, 0x4ec78749, 0x05aedd3e, 0x08a5d337, 0x1fb8c12c, 0x12b3cf25, 0x3182e51a, 0x3c89eb13, 0x2b94f908, 0x269ff701, 0xbd464de6, 0xb04d43ef, 0xa75051f4, 0xaa5b5ffd, 0x896a75c2, 0x84617bcb, 0x937c69d0, 0x9e7767d9, 0xd51e3dae, 0xd81533a7, 0xcf0821bc, 0xc2032fb5, 0xe132058a, 0xec390b83, 0xfb241998, 0xf62f1791, 0xd68d764d, 0xdb867844, 0xcc9b6a5f, 0xc1906456, 0xe2a14e69, 0xefaa4060, 0xf8b7527b, 0xf5bc5c72, 0xbed50605, 0xb3de080c, 0xa4c31a17, 0xa9c8141e, 0x8af93e21, 0x87f23028, 0x90ef2233, 0x9de42c3a, 0x063d96dd, 0x0b3698d4, 0x1c2b8acf, 0x112084c6, 0x3211aef9, 0x3f1aa0f0, 0x2807b2eb, 0x250cbce2, 0x6e65e695, 0x636ee89c, 0x7473fa87, 0x7978f48e, 0x5a49deb1, 0x5742d0b8, 0x405fc2a3, 0x4d54ccaa, 0xdaf741ec, 0xd7fc4fe5, 0xc0e15dfe, 0xcdea53f7, 0xeedb79c8, 0xe3d077c1, 0xf4cd65da, 0xf9c66bd3, 0xb2af31a4, 0xbfa43fad, 0xa8b92db6, 0xa5b223bf, 0x86830980, 0x8b880789, 0x9c951592, 0x919e1b9b, 0x0a47a17c, 0x074caf75, 0x1051bd6e, 0x1d5ab367, 0x3e6b9958, 0x33609751, 0x247d854a, 0x29768b43, 0x621fd134, 0x6f14df3d, 0x7809cd26, 0x7502c32f, 0x5633e910, 0x5b38e719, 0x4c25f502, 0x412efb0b, 0x618c9ad7, 0x6c8794de, 0x7b9a86c5, 0x769188cc, 0x55a0a2f3, 0x58abacfa, 0x4fb6bee1, 0x42bdb0e8, 0x09d4ea9f, 0x04dfe496, 0x13c2f68d, 0x1ec9f884, 0x3df8d2bb, 0x30f3dcb2, 0x27eecea9, 0x2ae5c0a0, 0xb13c7a47, 0xbc37744e, 0xab2a6655, 0xa621685c, 0x85104263, 0x881b4c6a, 0x9f065e71, 0x920d5078, 0xd9640a0f, 0xd46f0406, 0xc372161d, 0xce791814, 0xed48322b, 0xe0433c22, 0xf75e2e39, 0xfa552030, 0xb701ec9a, 0xba0ae293, 0xad17f088, 0xa01cfe81, 0x832dd4be, 0x8e26dab7, 0x993bc8ac, 0x9430c6a5, 0xdf599cd2, 0xd25292db, 0xc54f80c0, 0xc8448ec9, 0xeb75a4f6, 0xe67eaaff, 0xf163b8e4, 0xfc68b6ed, 0x67b10c0a, 0x6aba0203, 0x7da71018, 0x70ac1e11, 0x539d342e, 0x5e963a27, 0x498b283c, 0x44802635, 0x0fe97c42, 0x02e2724b, 0x15ff6050, 0x18f46e59, 0x3bc54466, 0x36ce4a6f, 0x21d35874, 0x2cd8567d, 0x0c7a37a1, 0x017139a8, 0x166c2bb3, 0x1b6725ba, 0x38560f85, 0x355d018c, 0x22401397, 0x2f4b1d9e, 0x642247e9, 0x692949e0, 0x7e345bfb, 0x733f55f2, 0x500e7fcd, 0x5d0571c4, 0x4a1863df, 0x47136dd6, 0xdccad731, 0xd1c1d938, 0xc6dccb23, 0xcbd7c52a, 0xe8e6ef15, 0xe5ede11c, 0xf2f0f307, 0xfffbfd0e, 0xb492a779, 0xb999a970, 0xae84bb6b, 0xa38fb562, 0x80be9f5d, 0x8db59154, 0x9aa8834f, 0x97a38d46]; + var U4 = [0x00000000, 0x090d0b0e, 0x121a161c, 0x1b171d12, 0x24342c38, 0x2d392736, 0x362e3a24, 0x3f23312a, 0x48685870, 0x4165537e, 0x5a724e6c, 0x537f4562, 0x6c5c7448, 0x65517f46, 0x7e466254, 0x774b695a, 0x90d0b0e0, 0x99ddbbee, 0x82caa6fc, 0x8bc7adf2, 0xb4e49cd8, 0xbde997d6, 0xa6fe8ac4, 0xaff381ca, 0xd8b8e890, 0xd1b5e39e, 0xcaa2fe8c, 0xc3aff582, 0xfc8cc4a8, 0xf581cfa6, 0xee96d2b4, 0xe79bd9ba, 0x3bbb7bdb, 0x32b670d5, 0x29a16dc7, 0x20ac66c9, 0x1f8f57e3, 0x16825ced, 0x0d9541ff, 0x04984af1, 0x73d323ab, 0x7ade28a5, 0x61c935b7, 0x68c43eb9, 0x57e70f93, 0x5eea049d, 0x45fd198f, 0x4cf01281, 0xab6bcb3b, 0xa266c035, 0xb971dd27, 0xb07cd629, 0x8f5fe703, 0x8652ec0d, 0x9d45f11f, 0x9448fa11, 0xe303934b, 0xea0e9845, 0xf1198557, 0xf8148e59, 0xc737bf73, 0xce3ab47d, 0xd52da96f, 0xdc20a261, 0x766df6ad, 0x7f60fda3, 0x6477e0b1, 0x6d7aebbf, 0x5259da95, 0x5b54d19b, 0x4043cc89, 0x494ec787, 0x3e05aedd, 0x3708a5d3, 0x2c1fb8c1, 0x2512b3cf, 0x1a3182e5, 0x133c89eb, 0x082b94f9, 0x01269ff7, 0xe6bd464d, 0xefb04d43, 0xf4a75051, 0xfdaa5b5f, 0xc2896a75, 0xcb84617b, 0xd0937c69, 0xd99e7767, 0xaed51e3d, 0xa7d81533, 0xbccf0821, 0xb5c2032f, 0x8ae13205, 0x83ec390b, 0x98fb2419, 0x91f62f17, 0x4dd68d76, 0x44db8678, 0x5fcc9b6a, 0x56c19064, 0x69e2a14e, 0x60efaa40, 0x7bf8b752, 0x72f5bc5c, 0x05bed506, 0x0cb3de08, 0x17a4c31a, 0x1ea9c814, 0x218af93e, 0x2887f230, 0x3390ef22, 0x3a9de42c, 0xdd063d96, 0xd40b3698, 0xcf1c2b8a, 0xc6112084, 0xf93211ae, 0xf03f1aa0, 0xeb2807b2, 0xe2250cbc, 0x956e65e6, 0x9c636ee8, 0x877473fa, 0x8e7978f4, 0xb15a49de, 0xb85742d0, 0xa3405fc2, 0xaa4d54cc, 0xecdaf741, 0xe5d7fc4f, 0xfec0e15d, 0xf7cdea53, 0xc8eedb79, 0xc1e3d077, 0xdaf4cd65, 0xd3f9c66b, 0xa4b2af31, 0xadbfa43f, 0xb6a8b92d, 0xbfa5b223, 0x80868309, 0x898b8807, 0x929c9515, 0x9b919e1b, 0x7c0a47a1, 0x75074caf, 0x6e1051bd, 0x671d5ab3, 0x583e6b99, 0x51336097, 0x4a247d85, 0x4329768b, 0x34621fd1, 0x3d6f14df, 0x267809cd, 0x2f7502c3, 0x105633e9, 0x195b38e7, 0x024c25f5, 0x0b412efb, 0xd7618c9a, 0xde6c8794, 0xc57b9a86, 0xcc769188, 0xf355a0a2, 0xfa58abac, 0xe14fb6be, 0xe842bdb0, 0x9f09d4ea, 0x9604dfe4, 0x8d13c2f6, 0x841ec9f8, 0xbb3df8d2, 0xb230f3dc, 0xa927eece, 0xa02ae5c0, 0x47b13c7a, 0x4ebc3774, 0x55ab2a66, 0x5ca62168, 0x63851042, 0x6a881b4c, 0x719f065e, 0x78920d50, 0x0fd9640a, 0x06d46f04, 0x1dc37216, 0x14ce7918, 0x2bed4832, 0x22e0433c, 0x39f75e2e, 0x30fa5520, 0x9ab701ec, 0x93ba0ae2, 0x88ad17f0, 0x81a01cfe, 0xbe832dd4, 0xb78e26da, 0xac993bc8, 0xa59430c6, 0xd2df599c, 0xdbd25292, 0xc0c54f80, 0xc9c8448e, 0xf6eb75a4, 0xffe67eaa, 0xe4f163b8, 0xedfc68b6, 0x0a67b10c, 0x036aba02, 0x187da710, 0x1170ac1e, 0x2e539d34, 0x275e963a, 0x3c498b28, 0x35448026, 0x420fe97c, 0x4b02e272, 0x5015ff60, 0x5918f46e, 0x663bc544, 0x6f36ce4a, 0x7421d358, 0x7d2cd856, 0xa10c7a37, 0xa8017139, 0xb3166c2b, 0xba1b6725, 0x8538560f, 0x8c355d01, 0x97224013, 0x9e2f4b1d, 0xe9642247, 0xe0692949, 0xfb7e345b, 0xf2733f55, 0xcd500e7f, 0xc45d0571, 0xdf4a1863, 0xd647136d, 0x31dccad7, 0x38d1c1d9, 0x23c6dccb, 0x2acbd7c5, 0x15e8e6ef, 0x1ce5ede1, 0x07f2f0f3, 0x0efffbfd, 0x79b492a7, 0x70b999a9, 0x6bae84bb, 0x62a38fb5, 0x5d80be9f, 0x548db591, 0x4f9aa883, 0x4697a38d]; + + function convertToInt32(bytes) { + var result = []; + for (var i = 0; i < bytes.length; i += 4) { + result.push( + (bytes[i ] << 24) | + (bytes[i + 1] << 16) | + (bytes[i + 2] << 8) | + bytes[i + 3] + ); + } + return result; + } + + var AES = function(key) { + if (!(this instanceof AES)) { + throw Error('AES must be instanitated with `new`'); + } + + Object.defineProperty(this, 'key', { + value: coerceArray(key, true) + }); + + this._prepare(); + } + + + AES.prototype._prepare = function() { + + var rounds = numberOfRounds[this.key.length]; + if (rounds == null) { + throw new Error('invalid key size (must be 16, 24 or 32 bytes)'); + } + + // encryption round keys + this._Ke = []; + + // decryption round keys + this._Kd = []; + + for (var i = 0; i <= rounds; i++) { + this._Ke.push([0, 0, 0, 0]); + this._Kd.push([0, 0, 0, 0]); + } + + var roundKeyCount = (rounds + 1) * 4; + var KC = this.key.length / 4; + + // convert the key into ints + var tk = convertToInt32(this.key); + + // copy values into round key arrays + var index; + for (var i = 0; i < KC; i++) { + index = i >> 2; + this._Ke[index][i % 4] = tk[i]; + this._Kd[rounds - index][i % 4] = tk[i]; + } + + // key expansion (fips-197 section 5.2) + var rconpointer = 0; + var t = KC, tt; + while (t < roundKeyCount) { + tt = tk[KC - 1]; + tk[0] ^= ((S[(tt >> 16) & 0xFF] << 24) ^ + (S[(tt >> 8) & 0xFF] << 16) ^ + (S[ tt & 0xFF] << 8) ^ + S[(tt >> 24) & 0xFF] ^ + (rcon[rconpointer] << 24)); + rconpointer += 1; + + // key expansion (for non-256 bit) + if (KC != 8) { + for (var i = 1; i < KC; i++) { + tk[i] ^= tk[i - 1]; + } + + // key expansion for 256-bit keys is "slightly different" (fips-197) + } else { + for (var i = 1; i < (KC / 2); i++) { + tk[i] ^= tk[i - 1]; + } + tt = tk[(KC / 2) - 1]; + + tk[KC / 2] ^= (S[ tt & 0xFF] ^ + (S[(tt >> 8) & 0xFF] << 8) ^ + (S[(tt >> 16) & 0xFF] << 16) ^ + (S[(tt >> 24) & 0xFF] << 24)); + + for (var i = (KC / 2) + 1; i < KC; i++) { + tk[i] ^= tk[i - 1]; + } + } + + // copy values into round key arrays + var i = 0, r, c; + while (i < KC && t < roundKeyCount) { + r = t >> 2; + c = t % 4; + this._Ke[r][c] = tk[i]; + this._Kd[rounds - r][c] = tk[i++]; + t++; + } + } + + // inverse-cipher-ify the decryption round key (fips-197 section 5.3) + for (var r = 1; r < rounds; r++) { + for (var c = 0; c < 4; c++) { + tt = this._Kd[r][c]; + this._Kd[r][c] = (U1[(tt >> 24) & 0xFF] ^ + U2[(tt >> 16) & 0xFF] ^ + U3[(tt >> 8) & 0xFF] ^ + U4[ tt & 0xFF]); + } + } + } + + AES.prototype.encrypt = function(plaintext) { + if (plaintext.length != 16) { + throw new Error('invalid plaintext size (must be 16 bytes)'); + } + + var rounds = this._Ke.length - 1; + var a = [0, 0, 0, 0]; + + // convert plaintext to (ints ^ key) + var t = convertToInt32(plaintext); + for (var i = 0; i < 4; i++) { + t[i] ^= this._Ke[0][i]; + } + + // apply round transforms + for (var r = 1; r < rounds; r++) { + for (var i = 0; i < 4; i++) { + a[i] = (T1[(t[ i ] >> 24) & 0xff] ^ + T2[(t[(i + 1) % 4] >> 16) & 0xff] ^ + T3[(t[(i + 2) % 4] >> 8) & 0xff] ^ + T4[ t[(i + 3) % 4] & 0xff] ^ + this._Ke[r][i]); + } + t = a.slice(); + } + + // the last round is special + var result = createArray(16), tt; + for (var i = 0; i < 4; i++) { + tt = this._Ke[rounds][i]; + result[4 * i ] = (S[(t[ i ] >> 24) & 0xff] ^ (tt >> 24)) & 0xff; + result[4 * i + 1] = (S[(t[(i + 1) % 4] >> 16) & 0xff] ^ (tt >> 16)) & 0xff; + result[4 * i + 2] = (S[(t[(i + 2) % 4] >> 8) & 0xff] ^ (tt >> 8)) & 0xff; + result[4 * i + 3] = (S[ t[(i + 3) % 4] & 0xff] ^ tt ) & 0xff; + } + + return result; + } + + AES.prototype.decrypt = function(ciphertext) { + if (ciphertext.length != 16) { + throw new Error('invalid ciphertext size (must be 16 bytes)'); + } + + var rounds = this._Kd.length - 1; + var a = [0, 0, 0, 0]; + + // convert plaintext to (ints ^ key) + var t = convertToInt32(ciphertext); + for (var i = 0; i < 4; i++) { + t[i] ^= this._Kd[0][i]; + } + + // apply round transforms + for (var r = 1; r < rounds; r++) { + for (var i = 0; i < 4; i++) { + a[i] = (T5[(t[ i ] >> 24) & 0xff] ^ + T6[(t[(i + 3) % 4] >> 16) & 0xff] ^ + T7[(t[(i + 2) % 4] >> 8) & 0xff] ^ + T8[ t[(i + 1) % 4] & 0xff] ^ + this._Kd[r][i]); + } + t = a.slice(); + } + + // the last round is special + var result = createArray(16), tt; + for (var i = 0; i < 4; i++) { + tt = this._Kd[rounds][i]; + result[4 * i ] = (Si[(t[ i ] >> 24) & 0xff] ^ (tt >> 24)) & 0xff; + result[4 * i + 1] = (Si[(t[(i + 3) % 4] >> 16) & 0xff] ^ (tt >> 16)) & 0xff; + result[4 * i + 2] = (Si[(t[(i + 2) % 4] >> 8) & 0xff] ^ (tt >> 8)) & 0xff; + result[4 * i + 3] = (Si[ t[(i + 1) % 4] & 0xff] ^ tt ) & 0xff; + } + + return result; + } + + + /** + * Mode Of Operation - Electonic Codebook (ECB) + */ + var ModeOfOperationECB = function(key) { + if (!(this instanceof ModeOfOperationECB)) { + throw Error('AES must be instanitated with `new`'); + } + + this.description = "Electronic Code Block"; + this.name = "ecb"; + + this._aes = new AES(key); + } + + ModeOfOperationECB.prototype.encrypt = function(plaintext) { + plaintext = coerceArray(plaintext); + + if ((plaintext.length % 16) !== 0) { + throw new Error('invalid plaintext size (must be multiple of 16 bytes)'); + } + + var ciphertext = createArray(plaintext.length); + var block = createArray(16); + + for (var i = 0; i < plaintext.length; i += 16) { + copyArray(plaintext, block, 0, i, i + 16); + block = this._aes.encrypt(block); + copyArray(block, ciphertext, i); + } + + return ciphertext; + } + + ModeOfOperationECB.prototype.decrypt = function(ciphertext) { + ciphertext = coerceArray(ciphertext); + + if ((ciphertext.length % 16) !== 0) { + throw new Error('invalid ciphertext size (must be multiple of 16 bytes)'); + } + + var plaintext = createArray(ciphertext.length); + var block = createArray(16); + + for (var i = 0; i < ciphertext.length; i += 16) { + copyArray(ciphertext, block, 0, i, i + 16); + block = this._aes.decrypt(block); + copyArray(block, plaintext, i); + } + + return plaintext; + } + + + /** + * Mode Of Operation - Cipher Block Chaining (CBC) + */ + var ModeOfOperationCBC = function(key, iv) { + if (!(this instanceof ModeOfOperationCBC)) { + throw Error('AES must be instanitated with `new`'); + } + + this.description = "Cipher Block Chaining"; + this.name = "cbc"; + + if (!iv) { + iv = createArray(16); + + } else if (iv.length != 16) { + throw new Error('invalid initialation vector size (must be 16 bytes)'); + } + + this._lastCipherblock = coerceArray(iv, true); + + this._aes = new AES(key); + } + + ModeOfOperationCBC.prototype.encrypt = function(plaintext) { + plaintext = coerceArray(plaintext); + + if ((plaintext.length % 16) !== 0) { + throw new Error('invalid plaintext size (must be multiple of 16 bytes)'); + } + + var ciphertext = createArray(plaintext.length); + var block = createArray(16); + + for (var i = 0; i < plaintext.length; i += 16) { + copyArray(plaintext, block, 0, i, i + 16); + + for (var j = 0; j < 16; j++) { + block[j] ^= this._lastCipherblock[j]; + } + + this._lastCipherblock = this._aes.encrypt(block); + copyArray(this._lastCipherblock, ciphertext, i); + } + + return ciphertext; + } + + ModeOfOperationCBC.prototype.decrypt = function(ciphertext) { + ciphertext = coerceArray(ciphertext); + + if ((ciphertext.length % 16) !== 0) { + throw new Error('invalid ciphertext size (must be multiple of 16 bytes)'); + } + + var plaintext = createArray(ciphertext.length); + var block = createArray(16); + + for (var i = 0; i < ciphertext.length; i += 16) { + copyArray(ciphertext, block, 0, i, i + 16); + block = this._aes.decrypt(block); + + for (var j = 0; j < 16; j++) { + plaintext[i + j] = block[j] ^ this._lastCipherblock[j]; + } + + copyArray(ciphertext, this._lastCipherblock, 0, i, i + 16); + } + + return plaintext; + } + + + /** + * Mode Of Operation - Cipher Feedback (CFB) + */ + var ModeOfOperationCFB = function(key, iv, segmentSize) { + if (!(this instanceof ModeOfOperationCFB)) { + throw Error('AES must be instanitated with `new`'); + } + + this.description = "Cipher Feedback"; + this.name = "cfb"; + + if (!iv) { + iv = createArray(16); + + } else if (iv.length != 16) { + throw new Error('invalid initialation vector size (must be 16 size)'); + } + + if (!segmentSize) { segmentSize = 1; } + + this.segmentSize = segmentSize; + + this._shiftRegister = coerceArray(iv, true); + + this._aes = new AES(key); + } + + ModeOfOperationCFB.prototype.encrypt = function(plaintext) { + if ((plaintext.length % this.segmentSize) != 0) { + throw new Error('invalid plaintext size (must be segmentSize bytes)'); + } + + var encrypted = coerceArray(plaintext, true); + + var xorSegment; + for (var i = 0; i < encrypted.length; i += this.segmentSize) { + xorSegment = this._aes.encrypt(this._shiftRegister); + for (var j = 0; j < this.segmentSize; j++) { + encrypted[i + j] ^= xorSegment[j]; + } + + // Shift the register + copyArray(this._shiftRegister, this._shiftRegister, 0, this.segmentSize); + copyArray(encrypted, this._shiftRegister, 16 - this.segmentSize, i, i + this.segmentSize); + } + + return encrypted; + } + + ModeOfOperationCFB.prototype.decrypt = function(ciphertext) { + if ((ciphertext.length % this.segmentSize) != 0) { + throw new Error('invalid ciphertext size (must be segmentSize bytes)'); + } + + var plaintext = coerceArray(ciphertext, true); + + var xorSegment; + for (var i = 0; i < plaintext.length; i += this.segmentSize) { + xorSegment = this._aes.encrypt(this._shiftRegister); + + for (var j = 0; j < this.segmentSize; j++) { + plaintext[i + j] ^= xorSegment[j]; + } + + // Shift the register + copyArray(this._shiftRegister, this._shiftRegister, 0, this.segmentSize); + copyArray(ciphertext, this._shiftRegister, 16 - this.segmentSize, i, i + this.segmentSize); + } + + return plaintext; + } + + /** + * Mode Of Operation - Output Feedback (OFB) + */ + var ModeOfOperationOFB = function(key, iv) { + if (!(this instanceof ModeOfOperationOFB)) { + throw Error('AES must be instanitated with `new`'); + } + + this.description = "Output Feedback"; + this.name = "ofb"; + + if (!iv) { + iv = createArray(16); + + } else if (iv.length != 16) { + throw new Error('invalid initialation vector size (must be 16 bytes)'); + } + + this._lastPrecipher = coerceArray(iv, true); + this._lastPrecipherIndex = 16; + + this._aes = new AES(key); + } + + ModeOfOperationOFB.prototype.encrypt = function(plaintext) { + var encrypted = coerceArray(plaintext, true); + + for (var i = 0; i < encrypted.length; i++) { + if (this._lastPrecipherIndex === 16) { + this._lastPrecipher = this._aes.encrypt(this._lastPrecipher); + this._lastPrecipherIndex = 0; + } + encrypted[i] ^= this._lastPrecipher[this._lastPrecipherIndex++]; + } + + return encrypted; + } + + // Decryption is symetric + ModeOfOperationOFB.prototype.decrypt = ModeOfOperationOFB.prototype.encrypt; + + + /** + * Counter object for CTR common mode of operation + */ + var Counter = function(initialValue) { + if (!(this instanceof Counter)) { + throw Error('Counter must be instanitated with `new`'); + } + + // We allow 0, but anything false-ish uses the default 1 + if (initialValue !== 0 && !initialValue) { initialValue = 1; } + + if (typeof(initialValue) === 'number') { + this._counter = createArray(16); + this.setValue(initialValue); + + } else { + this.setBytes(initialValue); + } + } + + Counter.prototype.setValue = function(value) { + if (typeof(value) !== 'number' || parseInt(value) != value) { + throw new Error('invalid counter value (must be an integer)'); + } + + // We cannot safely handle numbers beyond the safe range for integers + if (value > Number.MAX_SAFE_INTEGER) { + throw new Error('integer value out of safe range'); + } + + for (var index = 15; index >= 0; --index) { + this._counter[index] = value % 256; + value = parseInt(value / 256); + } + } + + Counter.prototype.setBytes = function(bytes) { + bytes = coerceArray(bytes, true); + + if (bytes.length != 16) { + throw new Error('invalid counter bytes size (must be 16 bytes)'); + } + + this._counter = bytes; + }; + + Counter.prototype.increment = function() { + for (var i = 15; i >= 0; i--) { + if (this._counter[i] === 255) { + this._counter[i] = 0; + } else { + this._counter[i]++; + break; + } + } + } + + + /** + * Mode Of Operation - Counter (CTR) + */ + var ModeOfOperationCTR = function(key, counter) { + if (!(this instanceof ModeOfOperationCTR)) { + throw Error('AES must be instanitated with `new`'); + } + + this.description = "Counter"; + this.name = "ctr"; + + if (!(counter instanceof Counter)) { + counter = new Counter(counter) + } + + this._counter = counter; + + this._remainingCounter = null; + this._remainingCounterIndex = 16; + + this._aes = new AES(key); + } + + ModeOfOperationCTR.prototype.encrypt = function(plaintext) { + var encrypted = coerceArray(plaintext, true); + + for (var i = 0; i < encrypted.length; i++) { + if (this._remainingCounterIndex === 16) { + this._remainingCounter = this._aes.encrypt(this._counter._counter); + this._remainingCounterIndex = 0; + this._counter.increment(); + } + encrypted[i] ^= this._remainingCounter[this._remainingCounterIndex++]; + } + + return encrypted; + } + + // Decryption is symetric + ModeOfOperationCTR.prototype.decrypt = ModeOfOperationCTR.prototype.encrypt; + + + /////////////////////// + // Padding + + // See:https://tools.ietf.org/html/rfc2315 + function pkcs7pad(data) { + data = coerceArray(data, true); + var padder = 16 - (data.length % 16); + var result = createArray(data.length + padder); + copyArray(data, result); + for (var i = data.length; i < result.length; i++) { + result[i] = padder; + } + return result; + } + + function pkcs7strip(data) { + data = coerceArray(data, true); + if (data.length < 16) { throw new Error('PKCS#7 invalid length'); } + + var padder = data[data.length - 1]; + if (padder > 16) { throw new Error('PKCS#7 padding byte out of range'); } + + var length = data.length - padder; + for (var i = 0; i < padder; i++) { + if (data[length + i] !== padder) { + throw new Error('PKCS#7 invalid padding byte'); + } + } + + var result = createArray(length); + copyArray(data, result, 0, 0, length); + return result; + } + + /////////////////////// + // Exporting + + + // The block cipher + var aesjs = { + AES: AES, + Counter: Counter, + + ModeOfOperation: { + ecb: ModeOfOperationECB, + cbc: ModeOfOperationCBC, + cfb: ModeOfOperationCFB, + ofb: ModeOfOperationOFB, + ctr: ModeOfOperationCTR + }, + + utils: { + hex: convertHex, + utf8: convertUtf8 + }, + + padding: { + pkcs7: { + pad: pkcs7pad, + strip: pkcs7strip + } + }, + + _arrayTest: { + coerceArray: coerceArray, + createArray: createArray, + copyArray: copyArray, + } + }; + + + // node.js + if (typeof exports !== 'undefined') { + module.exports = aesjs + + // RequireJS/AMD + // http://www.requirejs.org/docs/api.html + // https://github.com/amdjs/amdjs-api/wiki/AMD + } else if (typeof(define) === 'function' && define.amd) { + define([], function() { return aesjs; }); + + // Web Browsers + } else { + + // If there was an existing library at "aesjs" make sure it's still available + if (root.aesjs) { + aesjs._aesjs = root.aesjs; + } + + root.aesjs = aesjs; + } + + +})(this); \ No newline at end of file diff --git a/lnbits/extensions/watchonly/static/js/crypto/noble-secp256k1.js b/lnbits/extensions/watchonly/static/js/crypto/noble-secp256k1.js new file mode 100644 index 000000000..8be867293 --- /dev/null +++ b/lnbits/extensions/watchonly/static/js/crypto/noble-secp256k1.js @@ -0,0 +1,1177 @@ +(function (global, factory) { + typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : + typeof define === 'function' && define.amd ? define(['exports'], factory) : + (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.nobleSecp256k1 = {})); +})(this, (function (exports) { 'use strict'; + + const _nodeResolve_empty = {}; + + const nodeCrypto = /*#__PURE__*/Object.freeze({ + __proto__: null, + 'default': _nodeResolve_empty + }); + + /*! noble-secp256k1 - MIT License (c) 2019 Paul Miller (paulmillr.com) */ + const _0n = BigInt(0); + const _1n = BigInt(1); + const _2n = BigInt(2); + const _3n = BigInt(3); + const _8n = BigInt(8); + const POW_2_256 = _2n ** BigInt(256); + const CURVE = { + a: _0n, + b: BigInt(7), + P: POW_2_256 - _2n ** BigInt(32) - BigInt(977), + n: POW_2_256 - BigInt('432420386565659656852420866394968145599'), + h: _1n, + Gx: BigInt('55066263022277343669578718895168534326250603453777594175500187360389116729240'), + Gy: BigInt('32670510020758816978083085130507043184471273380659243275938904335757337482424'), + beta: BigInt('0x7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee'), + }; + function weistrass(x) { + const { a, b } = CURVE; + const x2 = mod(x * x); + const x3 = mod(x2 * x); + return mod(x3 + a * x + b); + } + const USE_ENDOMORPHISM = CURVE.a === _0n; + class JacobianPoint { + constructor(x, y, z) { + this.x = x; + this.y = y; + this.z = z; + } + static fromAffine(p) { + if (!(p instanceof Point)) { + throw new TypeError('JacobianPoint#fromAffine: expected Point'); + } + return new JacobianPoint(p.x, p.y, _1n); + } + static toAffineBatch(points) { + const toInv = invertBatch(points.map((p) => p.z)); + return points.map((p, i) => p.toAffine(toInv[i])); + } + static normalizeZ(points) { + return JacobianPoint.toAffineBatch(points).map(JacobianPoint.fromAffine); + } + equals(other) { + if (!(other instanceof JacobianPoint)) + throw new TypeError('JacobianPoint expected'); + const { x: X1, y: Y1, z: Z1 } = this; + const { x: X2, y: Y2, z: Z2 } = other; + const Z1Z1 = mod(Z1 ** _2n); + const Z2Z2 = mod(Z2 ** _2n); + const U1 = mod(X1 * Z2Z2); + const U2 = mod(X2 * Z1Z1); + const S1 = mod(mod(Y1 * Z2) * Z2Z2); + const S2 = mod(mod(Y2 * Z1) * Z1Z1); + return U1 === U2 && S1 === S2; + } + negate() { + return new JacobianPoint(this.x, mod(-this.y), this.z); + } + double() { + const { x: X1, y: Y1, z: Z1 } = this; + const A = mod(X1 ** _2n); + const B = mod(Y1 ** _2n); + const C = mod(B ** _2n); + const D = mod(_2n * (mod((X1 + B) ** _2n) - A - C)); + const E = mod(_3n * A); + const F = mod(E ** _2n); + const X3 = mod(F - _2n * D); + const Y3 = mod(E * (D - X3) - _8n * C); + const Z3 = mod(_2n * Y1 * Z1); + return new JacobianPoint(X3, Y3, Z3); + } + add(other) { + if (!(other instanceof JacobianPoint)) + throw new TypeError('JacobianPoint expected'); + const { x: X1, y: Y1, z: Z1 } = this; + const { x: X2, y: Y2, z: Z2 } = other; + if (X2 === _0n || Y2 === _0n) + return this; + if (X1 === _0n || Y1 === _0n) + return other; + const Z1Z1 = mod(Z1 ** _2n); + const Z2Z2 = mod(Z2 ** _2n); + const U1 = mod(X1 * Z2Z2); + const U2 = mod(X2 * Z1Z1); + const S1 = mod(mod(Y1 * Z2) * Z2Z2); + const S2 = mod(mod(Y2 * Z1) * Z1Z1); + const H = mod(U2 - U1); + const r = mod(S2 - S1); + if (H === _0n) { + if (r === _0n) { + return this.double(); + } + else { + return JacobianPoint.ZERO; + } + } + const HH = mod(H ** _2n); + const HHH = mod(H * HH); + const V = mod(U1 * HH); + const X3 = mod(r ** _2n - HHH - _2n * V); + const Y3 = mod(r * (V - X3) - S1 * HHH); + const Z3 = mod(Z1 * Z2 * H); + return new JacobianPoint(X3, Y3, Z3); + } + subtract(other) { + return this.add(other.negate()); + } + multiplyUnsafe(scalar) { + const P0 = JacobianPoint.ZERO; + if (typeof scalar === 'bigint' && scalar === _0n) + return P0; + let n = normalizeScalar(scalar); + if (n === _1n) + return this; + if (!USE_ENDOMORPHISM) { + let p = P0; + let d = this; + while (n > _0n) { + if (n & _1n) + p = p.add(d); + d = d.double(); + n >>= _1n; + } + return p; + } + let { k1neg, k1, k2neg, k2 } = splitScalarEndo(n); + let k1p = P0; + let k2p = P0; + let d = this; + while (k1 > _0n || k2 > _0n) { + if (k1 & _1n) + k1p = k1p.add(d); + if (k2 & _1n) + k2p = k2p.add(d); + d = d.double(); + k1 >>= _1n; + k2 >>= _1n; + } + if (k1neg) + k1p = k1p.negate(); + if (k2neg) + k2p = k2p.negate(); + k2p = new JacobianPoint(mod(k2p.x * CURVE.beta), k2p.y, k2p.z); + return k1p.add(k2p); + } + precomputeWindow(W) { + const windows = USE_ENDOMORPHISM ? 128 / W + 1 : 256 / W + 1; + const points = []; + let p = this; + let base = p; + for (let window = 0; window < windows; window++) { + base = p; + points.push(base); + for (let i = 1; i < 2 ** (W - 1); i++) { + base = base.add(p); + points.push(base); + } + p = base.double(); + } + return points; + } + wNAF(n, affinePoint) { + if (!affinePoint && this.equals(JacobianPoint.BASE)) + affinePoint = Point.BASE; + const W = (affinePoint && affinePoint._WINDOW_SIZE) || 1; + if (256 % W) { + throw new Error('Point#wNAF: Invalid precomputation window, must be power of 2'); + } + let precomputes = affinePoint && pointPrecomputes.get(affinePoint); + if (!precomputes) { + precomputes = this.precomputeWindow(W); + if (affinePoint && W !== 1) { + precomputes = JacobianPoint.normalizeZ(precomputes); + pointPrecomputes.set(affinePoint, precomputes); + } + } + let p = JacobianPoint.ZERO; + let f = JacobianPoint.ZERO; + const windows = 1 + (USE_ENDOMORPHISM ? 128 / W : 256 / W); + const windowSize = 2 ** (W - 1); + const mask = BigInt(2 ** W - 1); + const maxNumber = 2 ** W; + const shiftBy = BigInt(W); + for (let window = 0; window < windows; window++) { + const offset = window * windowSize; + let wbits = Number(n & mask); + n >>= shiftBy; + if (wbits > windowSize) { + wbits -= maxNumber; + n += _1n; + } + if (wbits === 0) { + let pr = precomputes[offset]; + if (window % 2) + pr = pr.negate(); + f = f.add(pr); + } + else { + let cached = precomputes[offset + Math.abs(wbits) - 1]; + if (wbits < 0) + cached = cached.negate(); + p = p.add(cached); + } + } + return { p, f }; + } + multiply(scalar, affinePoint) { + let n = normalizeScalar(scalar); + let point; + let fake; + if (USE_ENDOMORPHISM) { + const { k1neg, k1, k2neg, k2 } = splitScalarEndo(n); + let { p: k1p, f: f1p } = this.wNAF(k1, affinePoint); + let { p: k2p, f: f2p } = this.wNAF(k2, affinePoint); + if (k1neg) + k1p = k1p.negate(); + if (k2neg) + k2p = k2p.negate(); + k2p = new JacobianPoint(mod(k2p.x * CURVE.beta), k2p.y, k2p.z); + point = k1p.add(k2p); + fake = f1p.add(f2p); + } + else { + const { p, f } = this.wNAF(n, affinePoint); + point = p; + fake = f; + } + return JacobianPoint.normalizeZ([point, fake])[0]; + } + toAffine(invZ = invert(this.z)) { + const { x, y, z } = this; + const iz1 = invZ; + const iz2 = mod(iz1 * iz1); + const iz3 = mod(iz2 * iz1); + const ax = mod(x * iz2); + const ay = mod(y * iz3); + const zz = mod(z * iz1); + if (zz !== _1n) + throw new Error('invZ was invalid'); + return new Point(ax, ay); + } + } + JacobianPoint.BASE = new JacobianPoint(CURVE.Gx, CURVE.Gy, _1n); + JacobianPoint.ZERO = new JacobianPoint(_0n, _1n, _0n); + const pointPrecomputes = new WeakMap(); + class Point { + constructor(x, y) { + this.x = x; + this.y = y; + } + _setWindowSize(windowSize) { + this._WINDOW_SIZE = windowSize; + pointPrecomputes.delete(this); + } + static fromCompressedHex(bytes) { + const isShort = bytes.length === 32; + const x = bytesToNumber(isShort ? bytes : bytes.subarray(1)); + if (!isValidFieldElement(x)) + throw new Error('Point is not on curve'); + const y2 = weistrass(x); + let y = sqrtMod(y2); + const isYOdd = (y & _1n) === _1n; + if (isShort) { + if (isYOdd) + y = mod(-y); + } + else { + const isFirstByteOdd = (bytes[0] & 1) === 1; + if (isFirstByteOdd !== isYOdd) + y = mod(-y); + } + const point = new Point(x, y); + point.assertValidity(); + return point; + } + static fromUncompressedHex(bytes) { + const x = bytesToNumber(bytes.subarray(1, 33)); + const y = bytesToNumber(bytes.subarray(33, 65)); + const point = new Point(x, y); + point.assertValidity(); + return point; + } + static fromHex(hex) { + const bytes = ensureBytes(hex); + const len = bytes.length; + const header = bytes[0]; + if (len === 32 || (len === 33 && (header === 0x02 || header === 0x03))) { + return this.fromCompressedHex(bytes); + } + if (len === 65 && header === 0x04) + return this.fromUncompressedHex(bytes); + throw new Error(`Point.fromHex: received invalid point. Expected 32-33 compressed bytes or 65 uncompressed bytes, not ${len}`); + } + static fromPrivateKey(privateKey) { + return Point.BASE.multiply(normalizePrivateKey(privateKey)); + } + static fromSignature(msgHash, signature, recovery) { + msgHash = ensureBytes(msgHash); + const h = truncateHash(msgHash); + const { r, s } = normalizeSignature(signature); + if (recovery !== 0 && recovery !== 1) { + throw new Error('Cannot recover signature: invalid recovery bit'); + } + const prefix = recovery & 1 ? '03' : '02'; + const R = Point.fromHex(prefix + numTo32bStr(r)); + const { n } = CURVE; + const rinv = invert(r, n); + const u1 = mod(-h * rinv, n); + const u2 = mod(s * rinv, n); + const Q = Point.BASE.multiplyAndAddUnsafe(R, u1, u2); + if (!Q) + throw new Error('Cannot recover signature: point at infinify'); + Q.assertValidity(); + return Q; + } + toRawBytes(isCompressed = false) { + return hexToBytes(this.toHex(isCompressed)); + } + toHex(isCompressed = false) { + const x = numTo32bStr(this.x); + if (isCompressed) { + const prefix = this.y & _1n ? '03' : '02'; + return `${prefix}${x}`; + } + else { + return `04${x}${numTo32bStr(this.y)}`; + } + } + toHexX() { + return this.toHex(true).slice(2); + } + toRawX() { + return this.toRawBytes(true).slice(1); + } + assertValidity() { + const msg = 'Point is not on elliptic curve'; + const { x, y } = this; + if (!isValidFieldElement(x) || !isValidFieldElement(y)) + throw new Error(msg); + const left = mod(y * y); + const right = weistrass(x); + if (mod(left - right) !== _0n) + throw new Error(msg); + } + equals(other) { + return this.x === other.x && this.y === other.y; + } + negate() { + return new Point(this.x, mod(-this.y)); + } + double() { + return JacobianPoint.fromAffine(this).double().toAffine(); + } + add(other) { + return JacobianPoint.fromAffine(this).add(JacobianPoint.fromAffine(other)).toAffine(); + } + subtract(other) { + return this.add(other.negate()); + } + multiply(scalar) { + return JacobianPoint.fromAffine(this).multiply(scalar, this).toAffine(); + } + multiplyAndAddUnsafe(Q, a, b) { + const P = JacobianPoint.fromAffine(this); + const aP = a === _0n || a === _1n || this !== Point.BASE ? P.multiplyUnsafe(a) : P.multiply(a); + const bQ = JacobianPoint.fromAffine(Q).multiplyUnsafe(b); + const sum = aP.add(bQ); + return sum.equals(JacobianPoint.ZERO) ? undefined : sum.toAffine(); + } + } + Point.BASE = new Point(CURVE.Gx, CURVE.Gy); + Point.ZERO = new Point(_0n, _0n); + function sliceDER(s) { + return Number.parseInt(s[0], 16) >= 8 ? '00' + s : s; + } + function parseDERInt(data) { + if (data.length < 2 || data[0] !== 0x02) { + throw new Error(`Invalid signature integer tag: ${bytesToHex(data)}`); + } + const len = data[1]; + const res = data.subarray(2, len + 2); + if (!len || res.length !== len) { + throw new Error(`Invalid signature integer: wrong length`); + } + if (res[0] === 0x00 && res[1] <= 0x7f) { + throw new Error('Invalid signature integer: trailing length'); + } + return { data: bytesToNumber(res), left: data.subarray(len + 2) }; + } + function parseDERSignature(data) { + if (data.length < 2 || data[0] != 0x30) { + throw new Error(`Invalid signature tag: ${bytesToHex(data)}`); + } + if (data[1] !== data.length - 2) { + throw new Error('Invalid signature: incorrect length'); + } + const { data: r, left: sBytes } = parseDERInt(data.subarray(2)); + const { data: s, left: rBytesLeft } = parseDERInt(sBytes); + if (rBytesLeft.length) { + throw new Error(`Invalid signature: left bytes after parsing: ${bytesToHex(rBytesLeft)}`); + } + return { r, s }; + } + class Signature { + constructor(r, s) { + this.r = r; + this.s = s; + this.assertValidity(); + } + static fromCompact(hex) { + const arr = isUint8a(hex); + const name = 'Signature.fromCompact'; + if (typeof hex !== 'string' && !arr) + throw new TypeError(`${name}: Expected string or Uint8Array`); + const str = arr ? bytesToHex(hex) : hex; + if (str.length !== 128) + throw new Error(`${name}: Expected 64-byte hex`); + return new Signature(hexToNumber(str.slice(0, 64)), hexToNumber(str.slice(64, 128))); + } + static fromDER(hex) { + const arr = isUint8a(hex); + if (typeof hex !== 'string' && !arr) + throw new TypeError(`Signature.fromDER: Expected string or Uint8Array`); + const { r, s } = parseDERSignature(arr ? hex : hexToBytes(hex)); + return new Signature(r, s); + } + static fromHex(hex) { + return this.fromDER(hex); + } + assertValidity() { + const { r, s } = this; + if (!isWithinCurveOrder(r)) + throw new Error('Invalid Signature: r must be 0 < r < n'); + if (!isWithinCurveOrder(s)) + throw new Error('Invalid Signature: s must be 0 < s < n'); + } + hasHighS() { + const HALF = CURVE.n >> _1n; + return this.s > HALF; + } + normalizeS() { + return this.hasHighS() ? new Signature(this.r, CURVE.n - this.s) : this; + } + toDERRawBytes(isCompressed = false) { + return hexToBytes(this.toDERHex(isCompressed)); + } + toDERHex(isCompressed = false) { + const sHex = sliceDER(numberToHexUnpadded(this.s)); + if (isCompressed) + return sHex; + const rHex = sliceDER(numberToHexUnpadded(this.r)); + const rLen = numberToHexUnpadded(rHex.length / 2); + const sLen = numberToHexUnpadded(sHex.length / 2); + const length = numberToHexUnpadded(rHex.length / 2 + sHex.length / 2 + 4); + return `30${length}02${rLen}${rHex}02${sLen}${sHex}`; + } + toRawBytes() { + return this.toDERRawBytes(); + } + toHex() { + return this.toDERHex(); + } + toCompactRawBytes() { + return hexToBytes(this.toCompactHex()); + } + toCompactHex() { + return numTo32bStr(this.r) + numTo32bStr(this.s); + } + } + function concatBytes(...arrays) { + if (!arrays.every(isUint8a)) + throw new Error('Uint8Array list expected'); + if (arrays.length === 1) + return arrays[0]; + const length = arrays.reduce((a, arr) => a + arr.length, 0); + const result = new Uint8Array(length); + for (let i = 0, pad = 0; i < arrays.length; i++) { + const arr = arrays[i]; + result.set(arr, pad); + pad += arr.length; + } + return result; + } + function isUint8a(bytes) { + return bytes instanceof Uint8Array; + } + const hexes = Array.from({ length: 256 }, (v, i) => i.toString(16).padStart(2, '0')); + function bytesToHex(uint8a) { + if (!(uint8a instanceof Uint8Array)) + throw new Error('Expected Uint8Array'); + let hex = ''; + for (let i = 0; i < uint8a.length; i++) { + hex += hexes[uint8a[i]]; + } + return hex; + } + function numTo32bStr(num) { + if (num > POW_2_256) + throw new Error('Expected number < 2^256'); + return num.toString(16).padStart(64, '0'); + } + function numTo32b(num) { + return hexToBytes(numTo32bStr(num)); + } + function numberToHexUnpadded(num) { + const hex = num.toString(16); + return hex.length & 1 ? `0${hex}` : hex; + } + function hexToNumber(hex) { + if (typeof hex !== 'string') { + throw new TypeError('hexToNumber: expected string, got ' + typeof hex); + } + return BigInt(`0x${hex}`); + } + function hexToBytes(hex) { + if (typeof hex !== 'string') { + throw new TypeError('hexToBytes: expected string, got ' + typeof hex); + } + if (hex.length % 2) + throw new Error('hexToBytes: received invalid unpadded hex' + hex.length); + const array = new Uint8Array(hex.length / 2); + for (let i = 0; i < array.length; i++) { + const j = i * 2; + const hexByte = hex.slice(j, j + 2); + const byte = Number.parseInt(hexByte, 16); + if (Number.isNaN(byte) || byte < 0) + throw new Error('Invalid byte sequence'); + array[i] = byte; + } + return array; + } + function bytesToNumber(bytes) { + return hexToNumber(bytesToHex(bytes)); + } + function ensureBytes(hex) { + return hex instanceof Uint8Array ? Uint8Array.from(hex) : hexToBytes(hex); + } + function normalizeScalar(num) { + if (typeof num === 'number' && Number.isSafeInteger(num) && num > 0) + return BigInt(num); + if (typeof num === 'bigint' && isWithinCurveOrder(num)) + return num; + throw new TypeError('Expected valid private scalar: 0 < scalar < curve.n'); + } + function mod(a, b = CURVE.P) { + const result = a % b; + return result >= _0n ? result : b + result; + } + function pow2(x, power) { + const { P } = CURVE; + let res = x; + while (power-- > _0n) { + res *= res; + res %= P; + } + return res; + } + function sqrtMod(x) { + const { P } = CURVE; + const _6n = BigInt(6); + const _11n = BigInt(11); + const _22n = BigInt(22); + const _23n = BigInt(23); + const _44n = BigInt(44); + const _88n = BigInt(88); + const b2 = (x * x * x) % P; + const b3 = (b2 * b2 * x) % P; + const b6 = (pow2(b3, _3n) * b3) % P; + const b9 = (pow2(b6, _3n) * b3) % P; + const b11 = (pow2(b9, _2n) * b2) % P; + const b22 = (pow2(b11, _11n) * b11) % P; + const b44 = (pow2(b22, _22n) * b22) % P; + const b88 = (pow2(b44, _44n) * b44) % P; + const b176 = (pow2(b88, _88n) * b88) % P; + const b220 = (pow2(b176, _44n) * b44) % P; + const b223 = (pow2(b220, _3n) * b3) % P; + const t1 = (pow2(b223, _23n) * b22) % P; + const t2 = (pow2(t1, _6n) * b2) % P; + return pow2(t2, _2n); + } + function invert(number, modulo = CURVE.P) { + if (number === _0n || modulo <= _0n) { + throw new Error(`invert: expected positive integers, got n=${number} mod=${modulo}`); + } + let a = mod(number, modulo); + let b = modulo; + let x = _0n, u = _1n; + while (a !== _0n) { + const q = b / a; + const r = b % a; + const m = x - u * q; + b = a, a = r, x = u, u = m; + } + const gcd = b; + if (gcd !== _1n) + throw new Error('invert: does not exist'); + return mod(x, modulo); + } + function invertBatch(nums, p = CURVE.P) { + const scratch = new Array(nums.length); + const lastMultiplied = nums.reduce((acc, num, i) => { + if (num === _0n) + return acc; + scratch[i] = acc; + return mod(acc * num, p); + }, _1n); + const inverted = invert(lastMultiplied, p); + nums.reduceRight((acc, num, i) => { + if (num === _0n) + return acc; + scratch[i] = mod(acc * scratch[i], p); + return mod(acc * num, p); + }, inverted); + return scratch; + } + const divNearest = (a, b) => (a + b / _2n) / b; + const POW_2_128 = _2n ** BigInt(128); + function splitScalarEndo(k) { + const { n } = CURVE; + const a1 = BigInt('0x3086d221a7d46bcde86c90e49284eb15'); + const b1 = -_1n * BigInt('0xe4437ed6010e88286f547fa90abfe4c3'); + const a2 = BigInt('0x114ca50f7a8e2f3f657c1108d9d44cfd8'); + const b2 = a1; + const c1 = divNearest(b2 * k, n); + const c2 = divNearest(-b1 * k, n); + let k1 = mod(k - c1 * a1 - c2 * a2, n); + let k2 = mod(-c1 * b1 - c2 * b2, n); + const k1neg = k1 > POW_2_128; + const k2neg = k2 > POW_2_128; + if (k1neg) + k1 = n - k1; + if (k2neg) + k2 = n - k2; + if (k1 > POW_2_128 || k2 > POW_2_128) { + throw new Error('splitScalarEndo: Endomorphism failed, k=' + k); + } + return { k1neg, k1, k2neg, k2 }; + } + function truncateHash(hash) { + const { n } = CURVE; + const byteLength = hash.length; + const delta = byteLength * 8 - 256; + let h = bytesToNumber(hash); + if (delta > 0) + h = h >> BigInt(delta); + if (h >= n) + h -= n; + return h; + } + class HmacDrbg { + constructor() { + this.v = new Uint8Array(32).fill(1); + this.k = new Uint8Array(32).fill(0); + this.counter = 0; + } + hmac(...values) { + return utils.hmacSha256(this.k, ...values); + } + hmacSync(...values) { + if (typeof utils.hmacSha256Sync !== 'function') + throw new Error('utils.hmacSha256Sync is undefined, you need to set it'); + const res = utils.hmacSha256Sync(this.k, ...values); + if (res instanceof Promise) + throw new Error('To use sync sign(), ensure utils.hmacSha256 is sync'); + return res; + } + incr() { + if (this.counter >= 1000) { + throw new Error('Tried 1,000 k values for sign(), all were invalid'); + } + this.counter += 1; + } + async reseed(seed = new Uint8Array()) { + this.k = await this.hmac(this.v, Uint8Array.from([0x00]), seed); + this.v = await this.hmac(this.v); + if (seed.length === 0) + return; + this.k = await this.hmac(this.v, Uint8Array.from([0x01]), seed); + this.v = await this.hmac(this.v); + } + reseedSync(seed = new Uint8Array()) { + this.k = this.hmacSync(this.v, Uint8Array.from([0x00]), seed); + this.v = this.hmacSync(this.v); + if (seed.length === 0) + return; + this.k = this.hmacSync(this.v, Uint8Array.from([0x01]), seed); + this.v = this.hmacSync(this.v); + } + async generate() { + this.incr(); + this.v = await this.hmac(this.v); + return this.v; + } + generateSync() { + this.incr(); + this.v = this.hmacSync(this.v); + return this.v; + } + } + function isWithinCurveOrder(num) { + return _0n < num && num < CURVE.n; + } + function isValidFieldElement(num) { + return _0n < num && num < CURVE.P; + } + function kmdToSig(kBytes, m, d) { + const k = bytesToNumber(kBytes); + if (!isWithinCurveOrder(k)) + return; + const { n } = CURVE; + const q = Point.BASE.multiply(k); + const r = mod(q.x, n); + if (r === _0n) + return; + const s = mod(invert(k, n) * mod(m + d * r, n), n); + if (s === _0n) + return; + const sig = new Signature(r, s); + const recovery = (q.x === sig.r ? 0 : 2) | Number(q.y & _1n); + return { sig, recovery }; + } + function normalizePrivateKey(key) { + let num; + if (typeof key === 'bigint') { + num = key; + } + else if (typeof key === 'number' && Number.isSafeInteger(key) && key > 0) { + num = BigInt(key); + } + else if (typeof key === 'string') { + if (key.length !== 64) + throw new Error('Expected 32 bytes of private key'); + num = hexToNumber(key); + } + else if (isUint8a(key)) { + if (key.length !== 32) + throw new Error('Expected 32 bytes of private key'); + num = bytesToNumber(key); + } + else { + throw new TypeError('Expected valid private key'); + } + if (!isWithinCurveOrder(num)) + throw new Error('Expected private key: 0 < key < n'); + return num; + } + function normalizePublicKey(publicKey) { + if (publicKey instanceof Point) { + publicKey.assertValidity(); + return publicKey; + } + else { + return Point.fromHex(publicKey); + } + } + function normalizeSignature(signature) { + if (signature instanceof Signature) { + signature.assertValidity(); + return signature; + } + try { + return Signature.fromDER(signature); + } + catch (error) { + return Signature.fromCompact(signature); + } + } + function getPublicKey(privateKey, isCompressed = false) { + return Point.fromPrivateKey(privateKey).toRawBytes(isCompressed); + } + function recoverPublicKey(msgHash, signature, recovery, isCompressed = false) { + return Point.fromSignature(msgHash, signature, recovery).toRawBytes(isCompressed); + } + function isPub(item) { + const arr = isUint8a(item); + const str = typeof item === 'string'; + const len = (arr || str) && item.length; + if (arr) + return len === 33 || len === 65; + if (str) + return len === 66 || len === 130; + if (item instanceof Point) + return true; + return false; + } + function getSharedSecret(privateA, publicB, isCompressed = false) { + if (isPub(privateA)) + throw new TypeError('getSharedSecret: first arg must be private key'); + if (!isPub(publicB)) + throw new TypeError('getSharedSecret: second arg must be public key'); + const b = normalizePublicKey(publicB); + b.assertValidity(); + return b.multiply(normalizePrivateKey(privateA)).toRawBytes(isCompressed); + } + function bits2int(bytes) { + const slice = bytes.length > 32 ? bytes.slice(0, 32) : bytes; + return bytesToNumber(slice); + } + function bits2octets(bytes) { + const z1 = bits2int(bytes); + const z2 = mod(z1, CURVE.n); + return int2octets(z2 < _0n ? z1 : z2); + } + function int2octets(num) { + if (typeof num !== 'bigint') + throw new Error('Expected bigint'); + const hex = numTo32bStr(num); + return hexToBytes(hex); + } + function initSigArgs(msgHash, privateKey, extraEntropy) { + if (msgHash == null) + throw new Error(`sign: expected valid message hash, not "${msgHash}"`); + const h1 = ensureBytes(msgHash); + const d = normalizePrivateKey(privateKey); + const seedArgs = [int2octets(d), bits2octets(h1)]; + if (extraEntropy != null) { + if (extraEntropy === true) + extraEntropy = utils.randomBytes(32); + const e = ensureBytes(extraEntropy); + if (e.length !== 32) + throw new Error('sign: Expected 32 bytes of extra data'); + seedArgs.push(e); + } + const seed = concatBytes(...seedArgs); + const m = bits2int(h1); + return { seed, m, d }; + } + function finalizeSig(recSig, opts) { + let { sig, recovery } = recSig; + const { canonical, der, recovered } = Object.assign({ canonical: true, der: true }, opts); + if (canonical && sig.hasHighS()) { + sig = sig.normalizeS(); + recovery ^= 1; + } + const hashed = der ? sig.toDERRawBytes() : sig.toCompactRawBytes(); + return recovered ? [hashed, recovery] : hashed; + } + async function sign(msgHash, privKey, opts = {}) { + const { seed, m, d } = initSigArgs(msgHash, privKey, opts.extraEntropy); + let sig; + const drbg = new HmacDrbg(); + await drbg.reseed(seed); + while (!(sig = kmdToSig(await drbg.generate(), m, d))) + await drbg.reseed(); + return finalizeSig(sig, opts); + } + function signSync(msgHash, privKey, opts = {}) { + const { seed, m, d } = initSigArgs(msgHash, privKey, opts.extraEntropy); + let sig; + const drbg = new HmacDrbg(); + drbg.reseedSync(seed); + while (!(sig = kmdToSig(drbg.generateSync(), m, d))) + drbg.reseedSync(); + return finalizeSig(sig, opts); + } + const vopts = { strict: true }; + function verify(signature, msgHash, publicKey, opts = vopts) { + let sig; + try { + sig = normalizeSignature(signature); + msgHash = ensureBytes(msgHash); + } + catch (error) { + return false; + } + const { r, s } = sig; + if (opts.strict && sig.hasHighS()) + return false; + const h = truncateHash(msgHash); + let P; + try { + P = normalizePublicKey(publicKey); + } + catch (error) { + return false; + } + const { n } = CURVE; + const sinv = invert(s, n); + const u1 = mod(h * sinv, n); + const u2 = mod(r * sinv, n); + const R = Point.BASE.multiplyAndAddUnsafe(P, u1, u2); + if (!R) + return false; + const v = mod(R.x, n); + return v === r; + } + function finalizeSchnorrChallenge(ch) { + return mod(bytesToNumber(ch), CURVE.n); + } + function hasEvenY(point) { + return (point.y & _1n) === _0n; + } + class SchnorrSignature { + constructor(r, s) { + this.r = r; + this.s = s; + this.assertValidity(); + } + static fromHex(hex) { + const bytes = ensureBytes(hex); + if (bytes.length !== 64) + throw new TypeError(`SchnorrSignature.fromHex: expected 64 bytes, not ${bytes.length}`); + const r = bytesToNumber(bytes.subarray(0, 32)); + const s = bytesToNumber(bytes.subarray(32, 64)); + return new SchnorrSignature(r, s); + } + assertValidity() { + const { r, s } = this; + if (!isValidFieldElement(r) || !isWithinCurveOrder(s)) + throw new Error('Invalid signature'); + } + toHex() { + return numTo32bStr(this.r) + numTo32bStr(this.s); + } + toRawBytes() { + return hexToBytes(this.toHex()); + } + } + function schnorrGetPublicKey(privateKey) { + return Point.fromPrivateKey(privateKey).toRawX(); + } + function initSchnorrSigArgs(message, privateKey, auxRand) { + if (message == null) + throw new TypeError(`sign: Expected valid message, not "${message}"`); + const m = ensureBytes(message); + const d0 = normalizePrivateKey(privateKey); + const rand = ensureBytes(auxRand); + if (rand.length !== 32) + throw new TypeError('sign: Expected 32 bytes of aux randomness'); + const P = Point.fromPrivateKey(d0); + const px = P.toRawX(); + const d = hasEvenY(P) ? d0 : CURVE.n - d0; + return { m, P, px, d, rand }; + } + function initSchnorrNonce(d, t0h) { + return numTo32b(d ^ bytesToNumber(t0h)); + } + function finalizeSchnorrNonce(k0h) { + const k0 = mod(bytesToNumber(k0h), CURVE.n); + if (k0 === _0n) + throw new Error('sign: Creation of signature failed. k is zero'); + const R = Point.fromPrivateKey(k0); + const rx = R.toRawX(); + const k = hasEvenY(R) ? k0 : CURVE.n - k0; + return { R, rx, k }; + } + function finalizeSchnorrSig(R, k, e, d) { + return new SchnorrSignature(R.x, mod(k + e * d, CURVE.n)).toRawBytes(); + } + async function schnorrSign(message, privateKey, auxRand = utils.randomBytes()) { + const { m, px, d, rand } = initSchnorrSigArgs(message, privateKey, auxRand); + const t = initSchnorrNonce(d, await utils.taggedHash(TAGS.aux, rand)); + const { R, rx, k } = finalizeSchnorrNonce(await utils.taggedHash(TAGS.nonce, t, px, m)); + const e = finalizeSchnorrChallenge(await utils.taggedHash(TAGS.challenge, rx, px, m)); + const sig = finalizeSchnorrSig(R, k, e, d); + const isValid = await schnorrVerify(sig, m, px); + if (!isValid) + throw new Error('sign: Invalid signature produced'); + return sig; + } + function schnorrSignSync(message, privateKey, auxRand = utils.randomBytes()) { + const { m, px, d, rand } = initSchnorrSigArgs(message, privateKey, auxRand); + const t = initSchnorrNonce(d, utils.taggedHashSync(TAGS.aux, rand)); + const { R, rx, k } = finalizeSchnorrNonce(utils.taggedHashSync(TAGS.nonce, t, px, m)); + const e = finalizeSchnorrChallenge(utils.taggedHashSync(TAGS.challenge, rx, px, m)); + const sig = finalizeSchnorrSig(R, k, e, d); + const isValid = schnorrVerifySync(sig, m, px); + if (!isValid) + throw new Error('sign: Invalid signature produced'); + return sig; + } + function initSchnorrVerify(signature, message, publicKey) { + const raw = signature instanceof SchnorrSignature; + const sig = raw ? signature : SchnorrSignature.fromHex(signature); + if (raw) + sig.assertValidity(); + return { + ...sig, + m: ensureBytes(message), + P: normalizePublicKey(publicKey), + }; + } + function finalizeSchnorrVerify(r, P, s, e) { + const R = Point.BASE.multiplyAndAddUnsafe(P, normalizePrivateKey(s), mod(-e, CURVE.n)); + if (!R || !hasEvenY(R) || R.x !== r) + return false; + return true; + } + async function schnorrVerify(signature, message, publicKey) { + try { + const { r, s, m, P } = initSchnorrVerify(signature, message, publicKey); + const e = finalizeSchnorrChallenge(await utils.taggedHash(TAGS.challenge, numTo32b(r), P.toRawX(), m)); + return finalizeSchnorrVerify(r, P, s, e); + } + catch (error) { + return false; + } + } + function schnorrVerifySync(signature, message, publicKey) { + try { + const { r, s, m, P } = initSchnorrVerify(signature, message, publicKey); + const e = finalizeSchnorrChallenge(utils.taggedHashSync(TAGS.challenge, numTo32b(r), P.toRawX(), m)); + return finalizeSchnorrVerify(r, P, s, e); + } + catch (error) { + return false; + } + } + const schnorr = { + Signature: SchnorrSignature, + getPublicKey: schnorrGetPublicKey, + sign: schnorrSign, + verify: schnorrVerify, + signSync: schnorrSignSync, + verifySync: schnorrVerifySync, + }; + Point.BASE._setWindowSize(8); + const crypto = { + node: nodeCrypto, + web: typeof self === 'object' && 'crypto' in self ? self.crypto : undefined, + }; + const TAGS = { + challenge: 'BIP0340/challenge', + aux: 'BIP0340/aux', + nonce: 'BIP0340/nonce', + }; + const TAGGED_HASH_PREFIXES = {}; + const utils = { + isValidPrivateKey(privateKey) { + try { + normalizePrivateKey(privateKey); + return true; + } + catch (error) { + return false; + } + }, + privateAdd: (privateKey, tweak) => { + const p = normalizePrivateKey(privateKey); + const t = normalizePrivateKey(tweak); + return numTo32b(mod(p + t, CURVE.n)); + }, + privateNegate: (privateKey) => { + const p = normalizePrivateKey(privateKey); + return numTo32b(CURVE.n - p); + }, + pointAddScalar: (p, tweak, isCompressed) => { + const P = Point.fromHex(p); + const t = normalizePrivateKey(tweak); + const Q = Point.BASE.multiplyAndAddUnsafe(P, t, _1n); + if (!Q) + throw new Error('Tweaked point at infinity'); + return Q.toRawBytes(isCompressed); + }, + pointMultiply: (p, tweak, isCompressed) => { + const P = Point.fromHex(p); + const t = bytesToNumber(ensureBytes(tweak)); + return P.multiply(t).toRawBytes(isCompressed); + }, + hashToPrivateKey: (hash) => { + hash = ensureBytes(hash); + if (hash.length < 40 || hash.length > 1024) + throw new Error('Expected 40-1024 bytes of private key as per FIPS 186'); + const num = mod(bytesToNumber(hash), CURVE.n - _1n) + _1n; + return numTo32b(num); + }, + randomBytes: (bytesLength = 32) => { + if (crypto.web) { + return crypto.web.getRandomValues(new Uint8Array(bytesLength)); + } + else if (crypto.node) { + const { randomBytes } = crypto.node; + return Uint8Array.from(randomBytes(bytesLength)); + } + else { + throw new Error("The environment doesn't have randomBytes function"); + } + }, + randomPrivateKey: () => { + return utils.hashToPrivateKey(utils.randomBytes(40)); + }, + bytesToHex, + hexToBytes, + concatBytes, + mod, + invert, + sha256: async (...messages) => { + if (crypto.web) { + const buffer = await crypto.web.subtle.digest('SHA-256', concatBytes(...messages)); + return new Uint8Array(buffer); + } + else if (crypto.node) { + const { createHash } = crypto.node; + const hash = createHash('sha256'); + messages.forEach((m) => hash.update(m)); + return Uint8Array.from(hash.digest()); + } + else { + throw new Error("The environment doesn't have sha256 function"); + } + }, + hmacSha256: async (key, ...messages) => { + if (crypto.web) { + const ckey = await crypto.web.subtle.importKey('raw', key, { name: 'HMAC', hash: { name: 'SHA-256' } }, false, ['sign']); + const message = concatBytes(...messages); + const buffer = await crypto.web.subtle.sign('HMAC', ckey, message); + return new Uint8Array(buffer); + } + else if (crypto.node) { + const { createHmac } = crypto.node; + const hash = createHmac('sha256', key); + messages.forEach((m) => hash.update(m)); + return Uint8Array.from(hash.digest()); + } + else { + throw new Error("The environment doesn't have hmac-sha256 function"); + } + }, + sha256Sync: undefined, + hmacSha256Sync: undefined, + taggedHash: async (tag, ...messages) => { + let tagP = TAGGED_HASH_PREFIXES[tag]; + if (tagP === undefined) { + const tagH = await utils.sha256(Uint8Array.from(tag, (c) => c.charCodeAt(0))); + tagP = concatBytes(tagH, tagH); + TAGGED_HASH_PREFIXES[tag] = tagP; + } + return utils.sha256(tagP, ...messages); + }, + taggedHashSync: (tag, ...messages) => { + if (typeof utils.sha256Sync !== 'function') + throw new Error('utils.sha256Sync is undefined, you need to set it'); + let tagP = TAGGED_HASH_PREFIXES[tag]; + if (tagP === undefined) { + const tagH = utils.sha256Sync(Uint8Array.from(tag, (c) => c.charCodeAt(0))); + tagP = concatBytes(tagH, tagH); + TAGGED_HASH_PREFIXES[tag] = tagP; + } + return utils.sha256Sync(tagP, ...messages); + }, + precompute(windowSize = 8, point = Point.BASE) { + const cached = point === Point.BASE ? point : new Point(point.x, point.y); + cached._setWindowSize(windowSize); + cached.multiply(_3n); + return cached; + }, + }; + + exports.CURVE = CURVE; + exports.Point = Point; + exports.Signature = Signature; + exports.getPublicKey = getPublicKey; + exports.getSharedSecret = getSharedSecret; + exports.recoverPublicKey = recoverPublicKey; + exports.schnorr = schnorr; + exports.sign = sign; + exports.signSync = signSync; + exports.utils = utils; + exports.verify = verify; + + Object.defineProperty(exports, '__esModule', { value: true }); + +})); diff --git a/lnbits/extensions/watchonly/static/js/utils.js b/lnbits/extensions/watchonly/static/js/utils.js index 6065d74c7..3ac59ce8e 100644 --- a/lnbits/extensions/watchonly/static/js/utils.js +++ b/lnbits/extensions/watchonly/static/js/utils.js @@ -181,3 +181,159 @@ function findAccountPathIssues(path = '') { if (isNaN(p[i])) return `${p[i]} is not a valid value` } } + +/////////////// +let ivHex = '000102030405060708090a0b0c0d0e0f' +function hexToBytes(hex) { + const bytes = new Uint8Array(hex.length / 2) + for (c = 0; c < hex.length; c += 2) + bytes[c / 2] = parseInt(hex.substr(c, 2), 16) + return bytes +} +function bytesToHex(bytes) { + for (var hex = [], i = 0; i < bytes.length; i++) { + var current = bytes[i] < 0 ? bytes[i] + 256 : bytes[i] + hex.push((current >>> 4).toString(16)) + hex.push((current & 0xf).toString(16)) + } + return hex.join('') +} +function asciiToUint8Array(str) { + var chars = [] + for (var i = 0; i < str.length; ++i) { + chars.push(str.charCodeAt(i)) + } + return new Uint8Array(chars) +} +async function encryptMessage2(key, text) { + console.log('### key', bytesToHex(key)) + iv = new Uint8Array([ + 0x00, + 0x01, + 0x02, + 0x03, + 0x04, + 0x05, + 0x06, + 0x07, + 0x08, + 0x09, + 0x0a, + 0x0b, + 0x0c, + 0x0d, + 0x0e, + 0x0f + ]) + var textBytes = aesjs.utils.utf8.toBytes(text) + console.log('### textBytes2', bytesToHex(textBytes)) + console.log('### iv', bytesToHex(iv)) + + var aesCbc = new aesjs.ModeOfOperation.cbc(key, iv) + var encryptedBytes = aesCbc.encrypt(textBytes) + + // To print or store the binary data, you may convert it to hex + var encryptedHex = aesjs.utils.hex.fromBytes(encryptedBytes) + return encryptedHex +} + +async function encryptMessage(key, message) { + // The iv must never be reused with a given key. + // iv = window.crypto.getRandomValues(new Uint8Array(16)); + iv = new Uint8Array([ + 0x00, + 0x01, + 0x02, + 0x03, + 0x04, + 0x05, + 0x06, + 0x07, + 0x08, + 0x09, + 0x0a, + 0x0b, + 0x0c, + 0x0d, + 0x0e, + 0x0f + ]) + const ciphertext = await window.crypto.subtle.encrypt( + { + name: 'AES-CBC', + iv + }, + key, + message + ) + + console.log('### #####################################') + return new Uint8Array(ciphertext) +} + +async function decryptMessage(key, ciphertext) { + iv = new Uint8Array([ + 0x00, + 0x01, + 0x02, + 0x03, + 0x04, + 0x05, + 0x06, + 0x07, + 0x08, + 0x09, + 0x0a, + 0x0b, + 0x0c, + 0x0d, + 0x0e, + 0x0f + ]) + + let decrypted = await window.crypto.subtle.decrypt( + { + name: 'AES-CBC', + iv + }, + key, + new Uint8Array(ciphertext) + ) + + return decrypted +} + +// TODO: weak: must re-check +// from https://stackoverflow.com/a/51838635/9014097 +function toStdBase64(input) { + input = input.replace(/-/g, '+').replace(/_/g, '/') + var pad = input.length % 4 + if (pad) { + input += new Array(5 - pad).join('=') + } + return input +} + +// TODO: weak: must re-check +function base64ToHex(str) { + const raw = atob(str) + let result = '' + for (let i = 0; i < raw.length; i++) { + const hex = raw.charCodeAt(i).toString(16) + result += hex.length === 2 ? hex : '0' + hex + } + return result.toUpperCase() +} + +function buf2hex(buffer) { + // buffer is an ArrayBuffer + return [...new Uint8Array(buffer)] + .map(x => x.toString(16).padStart(2, '0')) + .join('') +} + +// Alice private key +// 359A8CA1418C49DD26DC7D92C789AC33347F64C6B7789C666098805AF3CC60E5 + +// Bob private key +// AB52F1F981F639BD83F884703BC690B10DB709FF48806680A0D3FBC6475E6093 diff --git a/lnbits/extensions/watchonly/templates/watchonly/index.html b/lnbits/extensions/watchonly/templates/watchonly/index.html index 982f90412..c90580272 100644 --- a/lnbits/extensions/watchonly/templates/watchonly/index.html +++ b/lnbits/extensions/watchonly/templates/watchonly/index.html @@ -237,5 +237,7 @@ + + {% endblock %}