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use correct cipher stream to obfuscate packets

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Fabrice Drouin 2017-04-13 22:37:11 +02:00 • committed by Christian Decker
parent 2df1b0aecf
commit 52b7c2ddbf
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04-onion-routing.md
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@ -768,36 +768,37 @@ We use the same parameters (node ids, shared secrets ,...) as above
# node 4 is returning an error
failure_message = 002a666f6f
um_key = 4da7f2923edce6c2d85987d1d9fa6d88023e6c3a9c3d20f07d3b10b61a78d646
input_packet = 2cf728546dcbe18ae7bf4bf953e8864b416fd54c0005002a666f6f007b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
# creating error message
shared_secret = b5756b9b542727dbafc6765a49488b023a725d631af688fc031217e90770c328
filler = 082b8f1c465371a9894dd8c243fb4847e004f5256b3e90e2edde4c9fb3082ddfe4d1e734cacd96ef0706bf63c9984e22dc98851bcccd1c3494351feb458c9c6af41c0044bea3c47552b1d992ae542b17a2d0bba1a096c78d169034ecb55b6e3a7263c26017f033031228833c1daefc0dedb8cf7c3e37c9c37ebfe42f3225c326e8bcfd338804c145b16e34e4f5984bc119af09d471a61f39
obfuscated_packet = 24dca7482b9890236ef2933b1013ce0ca16b20696b3b90c88bb1239fc8082ddfe4d1e734cacd96ef0706bf63c9984e22dc98851bcccd1c3494351feb458c9c6af41c0044bea3c47552b1d992ae542b17a2d0bba1a096c78d169034ecb55b6e3a7263c26017f033031228833c1daefc0dedb8cf7c3e37c9c37ebfe42f3225c326e8bcfd338804c145b16e34e4f5984bc119af09d471a61f39
# node 4 forwards the error upstream, using the upstream node's shared secret
input_packet = 24dca7482b9890236ef2933b1013ce0ca16b20696b3b90c88bb1239fc8082ddfe4d1e734cacd96ef0706bf63c9984e22dc98851bcccd1c3494351feb458c9c6af41c0044bea3c47552b1d992ae542b17a2d0bba1a096c78d169034ecb55b6e3a7263c26017f033031228833c1daefc0dedb8cf7c3e37c9c37ebfe42f3225c326e8bcfd338804c145b16e34e4f5984bc119af09d471a61f39
message = 002a666f6f
payload = 0005002a666f6f007b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
um_key = 4da7f2923edce6c2d85987d1d9fa6d88023e6c3a9c3d20f07d3b10b61a78d646
unwrapped_error_packet = 2cf728546dcbe18ae7bf4bf953e8864b416fd54c0005002a666f6f007b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
# forwaring error packet
shared_secret = b5756b9b542727dbafc6765a49488b023a725d631af688fc031217e90770c328
ammag key = 2f36bb8822e1f0d04c27b7d8bb7d7dd586e032a3218b8d414afbba6f169a4d68
cipher_stream = e9c975b07c9a374ba64fd9be3aae955e917d34d1fa33f2e90f53bbf4394713c6a8c9b16ab5f12fd45edd73c1b0c8b33002df376801ff58aaa94000bf8a86f92620f343baef38a580102395ae3abf9128d1047a0736ff9b83d456740ebbb4aeb3aa9737f18fb4afb4aa074fb26c4d702f42968888550a3bded8c05247e045b866baef0499f079fdaeef6538f31d44deafffdfd3afa2fb4ca9
error packet for node 4: c53e5de41151d6c141f0924769461315d012e19dfa36f2c3693cd4f4424713c6a8c9b16ab5f12fd45edd73c1b0c8b33002df376801ff58aaa94000bf8a86f92620f343baef38a580102395ae3abf9128d1047a0736ff9b83d456740ebbb4aeb3aa9737f18fb4afb4aa074fb26c4d702f42968888550a3bded8c05247e045b866baef0499f079fdaeef6538f31d44deafffdfd3afa2fb4ca9
# forwaring error packet
shared_secret = 21e13c2d7cfe7e18836df50872466117a295783ab8aab0e7ecc8c725503ad02d
filler = b3670a33c517ef28a659c251d648bf4c966a4ef187113ec9848bf110816061ca4f2f68e76ceb88bd6208376460b916fb2ddeb77a65e8f88b2e71a2cbf4ea4958041d71c17d05680c051c3676fb0dc8108e5d78fb1e2c44d79a202e9d14071d536371ad47c39a05159e8d6c41d17a1e858faaaf572623aa23a38ffc73a4114cb1ab1cd7f906c6bd4e21b29694f9830d12e8ad4b1ac320b3d5
obfuscated_packet = 97bbad7bee8f7f0bc8ab516ac65b714037016e98ec2aae010f3ad28f49684c15abfe8fd3a6261e52650e8807a92158d9f1463261a925e4bfba44bd20b166d532f0017185c3a6ac7957adefe45559e3072c8dc35abeba835a8cb01a71a15c736911126f27d46a36168ca5ef7dccd4e2886212602b181463e0dd30185c96348f9743a02aca8ec27c0b90dca2700c1b46d3f10242ceb286acec
# node 3 forwards the error upstream, using the upstream node's shared secret
input_packet = 97bbad7bee8f7f0bc8ab516ac65b714037016e98ec2aae010f3ad28f49684c15abfe8fd3a6261e52650e8807a92158d9f1463261a925e4bfba44bd20b166d532f0017185c3a6ac7957adefe45559e3072c8dc35abeba835a8cb01a71a15c736911126f27d46a36168ca5ef7dccd4e2886212602b181463e0dd30185c96348f9743a02aca8ec27c0b90dca2700c1b46d3f10242ceb286acec
ammag key = cd9ac0e09064f039fa43a31dea05f5fe5f6443d40a98be4071af4a9d704be5ad
cipher_stream = 617ca1e4624bc3f04fece3aa5a2b615110f421ec62408d16c48ea6c1b7c33fe7084a2bd9d4652fc5068e5052bf6d0acae2176018a3d8c75f37842712913900263cff92f39f3c18aa1f4b20a93e70fc429af7b2b1967ca81a761d40582daf0eb49cef66e3d6fbca0218d3022d32e994b41c884a27c28685ef1eb14603ea80a204b2f2f474b6ad5e71c6389843e3611ebeafc62390b717ca53
error packet for node 3: a442fc00731a15310e1c71ed336d7244c0e6c07198767fd5adb27235f5842c21a0839ab361940011585323930fa5b9fae0c85770a2279ff59ec427ad1bbff9001c0cd1497004bd2a0f68b50704cf6d6a4bf3c8b6a0833399a24b3456961ba00736785112594f65b6b2d44d9f5ea4e49b5e1ec2af978cbe31c67114440ac51a62081df0ed46d4a3df295da0b0fe25c0115019f03f15ec86fa
# forwaring error packet
shared_secret = 3a6b412548762f0dbccce5c7ae7bb8147d1caf9b5471c34120b30bc9c04891cc
filler = 4a615f44ebb31b365ca77a6e91241667b26c6cad24fb2324cf64e8b9dd6e2ce65f1f098cfd1ef41ba2d4c7def0ff165a0e7c84e7597c40e3dffe97d417c144545a0e38ee33ebaae12cc0c14650e453d46bfc48c0514f354773435ee89b7b2810606eb73262c77a1d67f3633705178d79a1078c3a01b5fadc9651feb63603d19decd3a00c1f69af2dab2595931ca50d8280758b1cc91ba2dc
obfuscated_packet = dddaf23f053c643d940c2b04577f6727856d0235c8d18d25c05e3a36940660f3f4e1865f5b38ea49c7da4fd959de4e83ff3ab686f059a45c65ba2af4a6a79166aa0f496bf04d06987b6d2ea205bdb0d347718b9aeff5b61dfff344993a275b79717cd815b6ad4c0beb568c4ac9c36ff1c315ec1119a1993c4b61e6eaa0375e0aaf738ac691abd3263bf937e310be4b517177c9d27b9d0e30
# node 2 forwards the error upstream, using the upstream node's shared secret
input_packet = dddaf23f053c643d940c2b04577f6727856d0235c8d18d25c05e3a36940660f3f4e1865f5b38ea49c7da4fd959de4e83ff3ab686f059a45c65ba2af4a6a79166aa0f496bf04d06987b6d2ea205bdb0d347718b9aeff5b61dfff344993a275b79717cd815b6ad4c0beb568c4ac9c36ff1c315ec1119a1993c4b61e6eaa0375e0aaf738ac691abd3263bf937e310be4b517177c9d27b9d0e30
ammag key = 1bf08df8628d452141d56adfd1b25c1530d7921c23cecfc749ac03a9b694b0d3
cipher_stream = 6149f48b5a7e8f3d6f5d870b7a698e204cf64452aab4484ff1dee671fe63fd4b5f1b78ee2047dfa61e3d576b149bedaf83058f85f06a3172a3223ad6c4732d96b32955da7d2feb4140e58d86fc0f2eb5d9d1878e6f8a7f65ab9212030e8e915573ebbd7f35e1a430890be7e67c3fb4bbf2def662fa625421e7b411c29ebe81ec67b77355596b05cc155755664e59c16e21410aabe53e8040
error packet for node 2: c50b088b29649a0c6141f6e64904fc648c10842332c2379a5c6c94440be7d16aff98e25d41d3dfb7466e74f81b3e545563cdd8f5524dae873de61d7bdfccd496af2584930d2b566b4f8d3881f8c043df92224f38cf094cfc09d92655989531524593ec6d6caec1863bdfaa79229b5020acc034cd6deeea1021c50586947b9b8e6faa83b81fbfa6133c0af5d6b07c017f7158fa94f0d206ba
# forwaring error packet
shared_secret = a6519e98832a0b179f62123b3567c106db99ee37bef036e783263602f3488fae
filler = f390f1edc4acd726ed106555900a0832575c3a7ad11bb1fe388ff32b99bcf2a0d0767a83cf293a220a983ad014d404bfa20022d8b369fe06f7ecc9c74751dcda0ff39d8bca74bf9956745ba4e5d299e0da8f68a9f660040beac03e795a046640cf8271307a8b64780b0588422f5a60ed7e36d60417562938b400802dac5f87f267204b6d5bcfd8a05b221ec294d883271b06ca709042ed5d
obfuscated_packet = 2e4a03d2c190b31b791c4e51c7756f15d231384f19ca3cdbf8d1c91d0dba92532497fcdc9411d06bcd4275094d0a4a3c5d3a945e43305a5a9256e333e1f64dbca5fcd4e03a39b9012d197506e06f29339dfee3331995b21615337ae060233d39befea925cc262873e0530408e6990f1cbd233a150ef7b004ff6166c70c68d9f8c853c1abca640b8660db29218466c8766a7103a2ebdfe36d
# node 1 forwards the error upstream, using the upstream node's shared secret
input_packet = 2e4a03d2c190b31b791c4e51c7756f15d231384f19ca3cdbf8d1c91d0dba92532497fcdc9411d06bcd4275094d0a4a3c5d3a945e43305a5a9256e333e1f64dbca5fcd4e03a39b9012d197506e06f29339dfee3331995b21615337ae060233d39befea925cc262873e0530408e6990f1cbd233a150ef7b004ff6166c70c68d9f8c853c1abca640b8660db29218466c8766a7103a2ebdfe36d
ammag key = 59ee5867c5c151daa31e36ee42530f429c433836286e63744f2020b980302564
cipher_stream = 0f10c86f05968dd91188b998ee45dcddfbf89fe9a99aa6375c42ed5520a257e048456fe417c15219ce39d921555956ae2ff795177c63c819233f3bcb9b8b28e5ac6e33a3f9b87ca62dff43f4cc4a2755830a3b7e98c326b278e2bd31f4a9973ee99121c62873f5bfb2d159d3d48c5851e3b341f9f6634f51939188c3b9ff45feeb11160bb39ce3332168b8e744a92107db575ace7866e4b8
error packet for node 1: ca1bc0e42cf217d570c94f7ea74120b977e81bca9b5891ad002e79112b45868ab7dd8db956128dae8857add94e6702fb4c3a4de22e2e669e1ed926b04447fc73034bb730f4932acd62727b75348a648a1128744657ca6a4e713b9b646c3ca66cac02cdab44dd3439890ef3aaf61708714f7375349b8da541b2548d452d84de7084bb95b3ac2345201d624d31f4d52078aa0fa05a88b4e202
# forwaring error packet
shared_secret = 53eb63ea8a3fec3b3cd433b85cd62a4b145e1dda09391b348c4e1cd36a03ea66
filler = b4d8d8810e805dee25d676ce92e0619b9c206f922132d806138713a8f69589c18c3fdc5acee41c1234b17ecab96b8c56a46787bba2c062468a13919afc18513835b472a79b2c35f9a91f38eb3b9e998b1000cc4a0dbd62ac1a5cc8102e373526d7e8f3c3a1b4bfb2f8a3947fe350cb89f73aa1bb054edfa9895c0fc971c2b5056dc8665902b51fced6dff80c4d247db977c15a710ce280fb
obfuscated_packet = 9a92db53cf10eef55cca389f55950e8e4e1157dd38f8e4ddeb56dab5fb2f1b92a8a820865af5cc79f9f30bc3f461c66af95d13e5e1f0381c184572a91dee1c849048a647a1158cf884064deddbf1b0b88dfe2f791428d0ba0f6fb2f04e14081f69165ae66d9297c118f0907705c9c4954a199bae0bb96fad763d690e7daa6cfda59ba7f2c8d11448b604d12dc942b5cf1db059d3e73d6396
# this is what the first node will receive
ammag key = 3761ba4d3e726d8abb16cba5950ee976b84937b61b7ad09e741724d7dee12eb5
cipher_stream = 3699fd352a948a05f604763c0bca2968d5eaca2b0118602e52e59121f050936c8dd90c24df7dc8cf8f1665e39a6c75e9e2c0900ea245c9ed3b0008148e0ae18bbfaea0c711d67eade980c6f5452e91a06b070bbde68b5494a92575c114660fb53cf04bf686e67ffa4a0f5ae41a59a39a8515cb686db553d25e71e7a97cc2febcac55df2711b6209c502b2f8827b13d3ad2f491c45a0cafe7
error packet for node 0: fc823dd106669dd086cd3942ac8b09d1a202d1e19a40f18352cbe830db1515e63a04819d896f45610741c83ad40b7712aefaddec8c6baf7325d92ea4ca4d1df8bce517f7e54554608bf2bd8071a4f52a7a2f7ffbb1413edad81eeea5785aa9d990f2865dc23b4bc3c301a94eec4eabebca66be5cf638f693ec256aec514620cc28ee4a94bd9565bc4d4962b9d3641d4278fb319ed2b84de5
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