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Added validation to signature methods to avoid corruption edge cases (#4214)

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Nadav Kohen 2022-04-19 08:12:27 -05:00 committed by GitHub
parent ca5bde46d4
commit f42d7ae8e7
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 29 additions and 8 deletions
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37
crypto/src/main/scala/org/bitcoins/crypto/CryptoUtil.scala
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@ -90,14 +90,24 @@ trait CryptoUtil extends CryptoRuntime {
override def sign(
privateKey: ECPrivateKey,
dataToSign: ByteVector): ECDigitalSignature =
cryptoRuntime.sign(privateKey, dataToSign)
dataToSign: ByteVector): ECDigitalSignature = {
val sig = cryptoRuntime.sign(privateKey, dataToSign)
assert(
verify(privateKey.publicKey, dataToSign, sig),
"Something has gone wrong, a generated signature may have been corrupted")
sig
}
override def signWithEntropy(
privateKey: ECPrivateKey,
bytes: ByteVector,
entropy: ByteVector): ECDigitalSignature =
cryptoRuntime.signWithEntropy(privateKey, bytes, entropy)
entropy: ByteVector): ECDigitalSignature = {
val sig = cryptoRuntime.signWithEntropy(privateKey, bytes, entropy)
assert(
verify(privateKey.publicKey, bytes, sig),
"Something has gone wrong, a generated signature may have been corrupted")
sig
}
override def secKeyVerify(privateKeybytes: ByteVector): Boolean =
cryptoRuntime.secKeyVerify(privateKeybytes)
@ -145,14 +155,25 @@ trait CryptoUtil extends CryptoRuntime {
override def schnorrSign(
dataToSign: ByteVector,
privateKey: ECPrivateKey,
auxRand: ByteVector): SchnorrDigitalSignature =
cryptoRuntime.schnorrSign(dataToSign, privateKey, auxRand)
auxRand: ByteVector): SchnorrDigitalSignature = {
val sig = cryptoRuntime.schnorrSign(dataToSign, privateKey, auxRand)
assert(
schnorrVerify(dataToSign, privateKey.schnorrPublicKey, sig),
"Something has gone wrong, a generated signature may have been corrupted")
sig
}
override def schnorrSignWithNonce(
dataToSign: ByteVector,
privateKey: ECPrivateKey,
nonceKey: ECPrivateKey): SchnorrDigitalSignature =
cryptoRuntime.schnorrSignWithNonce(dataToSign, privateKey, nonceKey)
nonceKey: ECPrivateKey): SchnorrDigitalSignature = {
val sig =
cryptoRuntime.schnorrSignWithNonce(dataToSign, privateKey, nonceKey)
assert(
schnorrVerify(dataToSign, privateKey.schnorrPublicKey, sig),
"Something has gone wrong, a generated signature may have been corrupted")
sig
}
override def schnorrVerify(
data: ByteVector,