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Adding tests to check EdDSA compatibility with RFC8032 (#2302)
This commit is contained in:
Konstantinos Chalkias
GitHub
parent
b8421e5028
commit
a9f9bf2c0b
@ -110,7 +110,11 @@ object Crypto {
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"ECDSA signature scheme using the secp256r1 (NIST P-256) curve."
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)
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/** EdDSA signature scheme using the ed25519 twisted Edwards curve and SHA512 for message hashing. */
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/**
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* EdDSA signature scheme using the ed25519 twisted Edwards curve and SHA512 for message hashing.
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* The actual algorithm is PureEdDSA Ed25519 as defined in https://tools.ietf.org/html/rfc8032
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* Not to be confused with the EdDSA variants, Ed25519ctx and Ed25519ph.
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*/
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@JvmField
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val EDDSA_ED25519_SHA512 = SignatureScheme(
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4,
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@ -27,8 +27,8 @@ import kotlin.test.*
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*/
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class CryptoUtilsTest {
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val testString = "Hello World"
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val testBytes = testString.toByteArray()
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private val testString = "Hello World"
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private val testBytes = testString.toByteArray()
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// key generation test
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@Test
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190
core/src/test/kotlin/net/corda/core/crypto/EdDSATests.kt
Normal file
190
core/src/test/kotlin/net/corda/core/crypto/EdDSATests.kt
Normal file
@ -0,0 +1,190 @@
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package net.corda.core.crypto
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import net.corda.core.utilities.hexToByteArray
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import net.corda.core.utilities.toHex
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import net.i2p.crypto.eddsa.EdDSAPrivateKey
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import net.i2p.crypto.eddsa.EdDSASecurityProvider
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import net.i2p.crypto.eddsa.spec.EdDSANamedCurveSpec
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import net.i2p.crypto.eddsa.spec.EdDSAPrivateKeySpec
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import org.junit.Test
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import java.security.PrivateKey
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import java.security.Signature
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import kotlin.test.assertEquals
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import kotlin.test.assertNotEquals
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/**
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* Testing PureEdDSA Ed25519 using test vectors from https://tools.ietf.org/html/rfc8032#section-7.1
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*/
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class EdDSATests {
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@Test
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fun `PureEdDSA Ed25519 test vectors`() {
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val edParams = Crypto.EDDSA_ED25519_SHA512.algSpec as EdDSANamedCurveSpec
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// MESSAGE (length 0 bytes).
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val testVector1 = SignatureTestVector(
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"9d61b19deffd5a60ba844af492ec2cc4" +
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"4449c5697b326919703bac031cae7f60",
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"d75a980182b10ab7d54bfed3c964073a" +
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"0ee172f3daa62325af021a68f707511a",
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"",
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"e5564300c360ac729086e2cc806e828a" +
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"84877f1eb8e5d974d873e06522490155" +
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"5fb8821590a33bacc61e39701cf9b46b" +
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"d25bf5f0595bbe24655141438e7a100b"
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)
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// MESSAGE (length 1 byte).
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val testVector2 = SignatureTestVector(
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"4ccd089b28ff96da9db6c346ec114e0f" +
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"5b8a319f35aba624da8cf6ed4fb8a6fb",
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"3d4017c3e843895a92b70aa74d1b7ebc" +
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"9c982ccf2ec4968cc0cd55f12af4660c",
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"72",
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"92a009a9f0d4cab8720e820b5f642540" +
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"a2b27b5416503f8fb3762223ebdb69da" +
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"085ac1e43e15996e458f3613d0f11d8c" +
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"387b2eaeb4302aeeb00d291612bb0c00"
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)
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// MESSAGE (length 2 bytes).
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val testVector3 = SignatureTestVector(
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"c5aa8df43f9f837bedb7442f31dcb7b1" +
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"66d38535076f094b85ce3a2e0b4458f7",
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"fc51cd8e6218a1a38da47ed00230f058" +
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"0816ed13ba3303ac5deb911548908025",
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"af82",
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"6291d657deec24024827e69c3abe01a3" +
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"0ce548a284743a445e3680d7db5ac3ac" +
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"18ff9b538d16f290ae67f760984dc659" +
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"4a7c15e9716ed28dc027beceea1ec40a"
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)
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// MESSAGE (length 1023 bytes).
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val testVector1024 = SignatureTestVector(
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"f5e5767cf153319517630f226876b86c" +
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"8160cc583bc013744c6bf255f5cc0ee5",
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"278117fc144c72340f67d0f2316e8386" +
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"ceffbf2b2428c9c51fef7c597f1d426e",
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"08b8b2b733424243760fe426a4b54908" +
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"632110a66c2f6591eabd3345e3e4eb98" +
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"fa6e264bf09efe12ee50f8f54e9f77b1" +
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"e355f6c50544e23fb1433ddf73be84d8" +
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"79de7c0046dc4996d9e773f4bc9efe57" +
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"38829adb26c81b37c93a1b270b20329d" +
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"658675fc6ea534e0810a4432826bf58c" +
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"941efb65d57a338bbd2e26640f89ffbc" +
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"1a858efcb8550ee3a5e1998bd177e93a" +
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"7363c344fe6b199ee5d02e82d522c4fe" +
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"ba15452f80288a821a579116ec6dad2b" +
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"3b310da903401aa62100ab5d1a36553e" +
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"06203b33890cc9b832f79ef80560ccb9" +
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"a39ce767967ed628c6ad573cb116dbef" +
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"efd75499da96bd68a8a97b928a8bbc10" +
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"3b6621fcde2beca1231d206be6cd9ec7" +
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"aff6f6c94fcd7204ed3455c68c83f4a4" +
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"1da4af2b74ef5c53f1d8ac70bdcb7ed1" +
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"85ce81bd84359d44254d95629e9855a9" +
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"4a7c1958d1f8ada5d0532ed8a5aa3fb2" +
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"d17ba70eb6248e594e1a2297acbbb39d" +
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"502f1a8c6eb6f1ce22b3de1a1f40cc24" +
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"554119a831a9aad6079cad88425de6bd" +
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"e1a9187ebb6092cf67bf2b13fd65f270" +
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"88d78b7e883c8759d2c4f5c65adb7553" +
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"878ad575f9fad878e80a0c9ba63bcbcc" +
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"2732e69485bbc9c90bfbd62481d9089b" +
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"eccf80cfe2df16a2cf65bd92dd597b07" +
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"07e0917af48bbb75fed413d238f5555a" +
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"7a569d80c3414a8d0859dc65a46128ba" +
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"b27af87a71314f318c782b23ebfe808b" +
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"82b0ce26401d2e22f04d83d1255dc51a" +
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"ddd3b75a2b1ae0784504df543af8969b" +
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"e3ea7082ff7fc9888c144da2af58429e" +
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"c96031dbcad3dad9af0dcbaaaf268cb8" +
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"fcffead94f3c7ca495e056a9b47acdb7" +
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"51fb73e666c6c655ade8297297d07ad1" +
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"ba5e43f1bca32301651339e22904cc8c" +
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"42f58c30c04aafdb038dda0847dd988d" +
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"cda6f3bfd15c4b4c4525004aa06eeff8" +
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"ca61783aacec57fb3d1f92b0fe2fd1a8" +
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"5f6724517b65e614ad6808d6f6ee34df" +
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"f7310fdc82aebfd904b01e1dc54b2927" +
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"094b2db68d6f903b68401adebf5a7e08" +
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"d78ff4ef5d63653a65040cf9bfd4aca7" +
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"984a74d37145986780fc0b16ac451649" +
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"de6188a7dbdf191f64b5fc5e2ab47b57" +
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"f7f7276cd419c17a3ca8e1b939ae49e4" +
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"88acba6b965610b5480109c8b17b80e1" +
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"b7b750dfc7598d5d5011fd2dcc5600a3" +
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"2ef5b52a1ecc820e308aa342721aac09" +
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"43bf6686b64b2579376504ccc493d97e" +
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"6aed3fb0f9cd71a43dd497f01f17c0e2" +
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"cb3797aa2a2f256656168e6c496afc5f" +
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"b93246f6b1116398a346f1a641f3b041" +
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"e989f7914f90cc2c7fff357876e506b5" +
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"0d334ba77c225bc307ba537152f3f161" +
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"0e4eafe595f6d9d90d11faa933a15ef1" +
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"369546868a7f3a45a96768d40fd9d034" +
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"12c091c6315cf4fde7cb68606937380d" +
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"b2eaaa707b4c4185c32eddcdd306705e" +
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"4dc1ffc872eeee475a64dfac86aba41c" +
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"0618983f8741c5ef68d3a101e8a3b8ca" +
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"c60c905c15fc910840b94c00a0b9d0",
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"0aab4c900501b3e24d7cdf4663326a3a" +
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"87df5e4843b2cbdb67cbf6e460fec350" +
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"aa5371b1508f9f4528ecea23c436d94b" +
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"5e8fcd4f681e30a6ac00a9704a188a03"
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)
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// MESSAGE (length 64 bytes). TEST SHA(abc).
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val testVectorSHAabc = SignatureTestVector(
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"833fe62409237b9d62ec77587520911e" +
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"9a759cec1d19755b7da901b96dca3d42",
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"ec172b93ad5e563bf4932c70e1245034" +
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"c35467ef2efd4d64ebf819683467e2bf",
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"ddaf35a193617abacc417349ae204131" +
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"12e6fa4e89a97ea20a9eeee64b55d39a" +
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"2192992a274fc1a836ba3c23a3feebbd" +
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"454d4423643ce80e2a9ac94fa54ca49f",
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"dc2a4459e7369633a52b1bf277839a00" +
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"201009a3efbf3ecb69bea2186c26b589" +
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"09351fc9ac90b3ecfdfbc7c66431e030" +
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"3dca179c138ac17ad9bef1177331a704"
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)
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val testVectors = listOf(testVector1, testVector2, testVector3, testVector1024, testVectorSHAabc)
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testVectors.forEach {
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val privateKey = EdDSAPrivateKey(EdDSAPrivateKeySpec(it.privateKeyHex.hexToByteArray(), edParams))
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assertEquals(it.signatureOutputHex, doSign(privateKey, it.messageToSignHex.hexToByteArray()).toHex().toLowerCase())
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}
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// Test vector for the variant Ed25519ctx, expected to fail.
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val testVectorEd25519ctx = SignatureTestVector(
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"0305334e381af78f141cb666f6199f57" +
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"bc3495335a256a95bd2a55bf546663f6",
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"dfc9425e4f968f7f0c29f0259cf5f9ae" +
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"d6851c2bb4ad8bfb860cfee0ab248292",
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"f726936d19c800494e3fdaff20b276a8",
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"fc60d5872fc46b3aa69f8b5b4351d580" +
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"8f92bcc044606db097abab6dbcb1aee3" +
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"216c48e8b3b66431b5b186d1d28f8ee1" +
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"5a5ca2df6668346291c2043d4eb3e90d"
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)
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val privateKey = EdDSAPrivateKey(EdDSAPrivateKeySpec(testVectorEd25519ctx.privateKeyHex.hexToByteArray(), edParams))
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assertNotEquals(testVectorEd25519ctx.signatureOutputHex, doSign(privateKey, testVectorEd25519ctx.messageToSignHex.hexToByteArray()).toHex().toLowerCase())
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}
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/** A test vector object for digital signature schemes. */
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private data class SignatureTestVector(val privateKeyHex: String,
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val publicKeyHex: String,
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val messageToSignHex: String,
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val signatureOutputHex: String)
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// Required to implement a custom doSign function, because Corda's Crypto.doSign does not allow empty messages (testVector1).
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private fun doSign(privateKey: PrivateKey, clearData: ByteArray): ByteArray {
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val signature = Signature.getInstance(Crypto.EDDSA_ED25519_SHA512.signatureName, EdDSASecurityProvider())
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signature.initSign(privateKey)
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signature.update(clearData)
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return signature.sign()
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}
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}
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