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test_eddsa.py
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# # Copyright (c) 2022, Legrandin <helderijs@gmail.com> # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in # the documentation and/or other materials provided with the # distribution. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE # COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. # =================================================================== import unittest from binascii import unhexlify from Crypto.PublicKey import ECC from Crypto.Signature import eddsa from Crypto.Hash import SHA512, SHAKE256 from Crypto.SelfTest.st_common import list_test_cases from Crypto.SelfTest.loader import load_test_vectors_wycheproof from Crypto.Util.number import bytes_to_long rfc8032_tv_str = ( # 7.1 Ed25519 ( "9d61b19deffd5a60ba844af492ec2cc44449c5697b326919703bac031cae7f60", "d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a", "", None, "", "e5564300c360ac729086e2cc806e828a" "84877f1eb8e5d974d873e06522490155" "5fb8821590a33bacc61e39701cf9b46b" "d25bf5f0595bbe24655141438e7a100b" ), ( "4ccd089b28ff96da9db6c346ec114e0f5b8a319f35aba624da8cf6ed4fb8a6fb", "3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c", "72", None, "", "92a009a9f0d4cab8720e820b5f642540" "a2b27b5416503f8fb3762223ebdb69da" "085ac1e43e15996e458f3613d0f11d8c" "387b2eaeb4302aeeb00d291612bb0c00" ), ( "c5aa8df43f9f837bedb7442f31dcb7b166d38535076f094b85ce3a2e0b4458f7", "fc51cd8e6218a1a38da47ed00230f0580816ed13ba3303ac5deb911548908025", "af82", None, "", "6291d657deec24024827e69c3abe01a3" "0ce548a284743a445e3680d7db5ac3ac" "18ff9b538d16f290ae67f760984dc659" "4a7c15e9716ed28dc027beceea1ec40a" ), ( "f5e5767cf153319517630f226876b86c8160cc583bc013744c6bf255f5cc0ee5", "278117fc144c72340f67d0f2316e8386ceffbf2b2428c9c51fef7c597f1d426e", "08b8b2b733424243760fe426a4b54908" "632110a66c2f6591eabd3345e3e4eb98" "fa6e264bf09efe12ee50f8f54e9f77b1" "e355f6c50544e23fb1433ddf73be84d8" "79de7c0046dc4996d9e773f4bc9efe57" "38829adb26c81b37c93a1b270b20329d" "658675fc6ea534e0810a4432826bf58c" "941efb65d57a338bbd2e26640f89ffbc" "1a858efcb8550ee3a5e1998bd177e93a" "7363c344fe6b199ee5d02e82d522c4fe" "ba15452f80288a821a579116ec6dad2b" "3b310da903401aa62100ab5d1a36553e" "06203b33890cc9b832f79ef80560ccb9" "a39ce767967ed628c6ad573cb116dbef" "efd75499da96bd68a8a97b928a8bbc10" "3b6621fcde2beca1231d206be6cd9ec7" "aff6f6c94fcd7204ed3455c68c83f4a4" "1da4af2b74ef5c53f1d8ac70bdcb7ed1" "85ce81bd84359d44254d95629e9855a9" "4a7c1958d1f8ada5d0532ed8a5aa3fb2" "d17ba70eb6248e594e1a2297acbbb39d" "502f1a8c6eb6f1ce22b3de1a1f40cc24" "554119a831a9aad6079cad88425de6bd" "e1a9187ebb6092cf67bf2b13fd65f270" "88d78b7e883c8759d2c4f5c65adb7553" "878ad575f9fad878e80a0c9ba63bcbcc" "2732e69485bbc9c90bfbd62481d9089b" "eccf80cfe2df16a2cf65bd92dd597b07" "07e0917af48bbb75fed413d238f5555a" "7a569d80c3414a8d0859dc65a46128ba" "b27af87a71314f318c782b23ebfe808b" "82b0ce26401d2e22f04d83d1255dc51a" "ddd3b75a2b1ae0784504df543af8969b" "e3ea7082ff7fc9888c144da2af58429e" "c96031dbcad3dad9af0dcbaaaf268cb8" "fcffead94f3c7ca495e056a9b47acdb7" "51fb73e666c6c655ade8297297d07ad1" "ba5e43f1bca32301651339e22904cc8c" "42f58c30c04aafdb038dda0847dd988d" "cda6f3bfd15c4b4c4525004aa06eeff8" "ca61783aacec57fb3d1f92b0fe2fd1a8" "5f6724517b65e614ad6808d6f6ee34df" "f7310fdc82aebfd904b01e1dc54b2927" "094b2db68d6f903b68401adebf5a7e08" "d78ff4ef5d63653a65040cf9bfd4aca7" "984a74d37145986780fc0b16ac451649" "de6188a7dbdf191f64b5fc5e2ab47b57" "f7f7276cd419c17a3ca8e1b939ae49e4" "88acba6b965610b5480109c8b17b80e1" "b7b750dfc7598d5d5011fd2dcc5600a3" "2ef5b52a1ecc820e308aa342721aac09" "43bf6686b64b2579376504ccc493d97e" "6aed3fb0f9cd71a43dd497f01f17c0e2" "cb3797aa2a2f256656168e6c496afc5f" "b93246f6b1116398a346f1a641f3b041" "e989f7914f90cc2c7fff357876e506b5" "0d334ba77c225bc307ba537152f3f161" "0e4eafe595f6d9d90d11faa933a15ef1" "369546868a7f3a45a96768d40fd9d034" "12c091c6315cf4fde7cb68606937380d" "b2eaaa707b4c4185c32eddcdd306705e" "4dc1ffc872eeee475a64dfac86aba41c" "0618983f8741c5ef68d3a101e8a3b8ca" "c60c905c15fc910840b94c00a0b9d0", None, "", "0aab4c900501b3e24d7cdf4663326a3a" "87df5e4843b2cbdb67cbf6e460fec350" "aa5371b1508f9f4528ecea23c436d94b" "5e8fcd4f681e30a6ac00a9704a188a03" ), # 7.2 Ed25519ctx ( "0305334e381af78f141cb666f6199f57" "bc3495335a256a95bd2a55bf546663f6", "dfc9425e4f968f7f0c29f0259cf5f9ae" "d6851c2bb4ad8bfb860cfee0ab248292", "f726936d19c800494e3fdaff20b276a8", None, "666f6f", "55a4cc2f70a54e04288c5f4cd1e45a7b" "b520b36292911876cada7323198dd87a" "8b36950b95130022907a7fb7c4e9b2d5" "f6cca685a587b4b21f4b888e4e7edb0d" ), ( "0305334e381af78f141cb666f6199f57" "bc3495335a256a95bd2a55bf546663f6", "dfc9425e4f968f7f0c29f0259cf5f9ae" "d6851c2bb4ad8bfb860cfee0ab248292", "f726936d19c800494e3fdaff20b276a8", None, "626172", "fc60d5872fc46b3aa69f8b5b4351d580" "8f92bcc044606db097abab6dbcb1aee3" "216c48e8b3b66431b5b186d1d28f8ee1" "5a5ca2df6668346291c2043d4eb3e90d" ), ( "0305334e381af78f141cb666f6199f57" "bc3495335a256a95bd2a55bf546663f6", "dfc9425e4f968f7f0c29f0259cf5f9ae" "d6851c2bb4ad8bfb860cfee0ab248292", "508e9e6882b979fea900f62adceaca35", None, "666f6f", "8b70c1cc8310e1de20ac53ce28ae6e72" "07f33c3295e03bb5c0732a1d20dc6490" "8922a8b052cf99b7c4fe107a5abb5b2c" "4085ae75890d02df26269d8945f84b0b" ), ( "ab9c2853ce297ddab85c993b3ae14bca" "d39b2c682beabc27d6d4eb20711d6560", "0f1d1274943b91415889152e893d80e9" "3275a1fc0b65fd71b4b0dda10ad7d772", "f726936d19c800494e3fdaff20b276a8", None, "666f6f", "21655b5f1aa965996b3f97b3c849eafb" "a922a0a62992f73b3d1b73106a84ad85" "e9b86a7b6005ea868337ff2d20a7f5fb" "d4cd10b0be49a68da2b2e0dc0ad8960f" ), # 7.3 Ed25519ph ( "833fe62409237b9d62ec77587520911e" "9a759cec1d19755b7da901b96dca3d42", "ec172b93ad5e563bf4932c70e1245034" "c35467ef2efd4d64ebf819683467e2bf", "616263", SHA512, "", "98a70222f0b8121aa9d30f813d683f80" "9e462b469c7ff87639499bb94e6dae41" "31f85042463c2a355a2003d062adf5aa" "a10b8c61e636062aaad11c2a26083406" ), # 7.4 Ed448 ( "6c82a562cb808d10d632be89c8513ebf6c929f34ddfa8c9f63c9960ef6e348a3" "528c8a3fcc2f044e39a3fc5b94492f8f032e7549a20098f95b", "5fd7449b59b461fd2ce787ec616ad46a1da1342485a70e1f8a0ea75d80e96778" "edf124769b46c7061bd6783df1e50f6cd1fa1abeafe8256180", "", None, "", "533a37f6bbe457251f023c0d88f976ae2dfb504a843e34d2074fd823d41a591f" "2b233f034f628281f2fd7a22ddd47d7828c59bd0a21bfd3980ff0d2028d4b18a" "9df63e006c5d1c2d345b925d8dc00b4104852db99ac5c7cdda8530a113a0f4db" "b61149f05a7363268c71d95808ff2e652600" ), ( "c4eab05d357007c632f3dbb48489924d552b08fe0c353a0d4a1f00acda2c463a" "fbea67c5e8d2877c5e3bc397a659949ef8021e954e0a12274e", "43ba28f430cdff456ae531545f7ecd0ac834a55d9358c0372bfa0c6c6798c086" "6aea01eb00742802b8438ea4cb82169c235160627b4c3a9480", "03", None, "", "26b8f91727bd62897af15e41eb43c377efb9c610d48f2335cb0bd0087810f435" "2541b143c4b981b7e18f62de8ccdf633fc1bf037ab7cd779805e0dbcc0aae1cb" "cee1afb2e027df36bc04dcecbf154336c19f0af7e0a6472905e799f1953d2a0f" "f3348ab21aa4adafd1d234441cf807c03a00", ), ( "c4eab05d357007c632f3dbb48489924d552b08fe0c353a0d4a1f00acda2c463a" "fbea67c5e8d2877c5e3bc397a659949ef8021e954e0a12274e", "43ba28f430cdff456ae531545f7ecd0ac834a55d9358c0372bfa0c6c6798c086" "6aea01eb00742802b8438ea4cb82169c235160627b4c3a9480", "03", None, "666f6f", "d4f8f6131770dd46f40867d6fd5d5055de43541f8c5e35abbcd001b32a89f7d2" "151f7647f11d8ca2ae279fb842d607217fce6e042f6815ea000c85741de5c8da" "1144a6a1aba7f96de42505d7a7298524fda538fccbbb754f578c1cad10d54d0d" "5428407e85dcbc98a49155c13764e66c3c00", ), ( "cd23d24f714274e744343237b93290f511f6425f98e64459ff203e8985083ffd" "f60500553abc0e05cd02184bdb89c4ccd67e187951267eb328", "dcea9e78f35a1bf3499a831b10b86c90aac01cd84b67a0109b55a36e9328b1e3" "65fce161d71ce7131a543ea4cb5f7e9f1d8b00696447001400", "0c3e544074ec63b0265e0c", None, "", "1f0a8888ce25e8d458a21130879b840a9089d999aaba039eaf3e3afa090a09d3" "89dba82c4ff2ae8ac5cdfb7c55e94d5d961a29fe0109941e00b8dbdeea6d3b05" "1068df7254c0cdc129cbe62db2dc957dbb47b51fd3f213fb8698f064774250a5" "028961c9bf8ffd973fe5d5c206492b140e00", ), ( "258cdd4ada32ed9c9ff54e63756ae582fb8fab2ac721f2c8e676a72768513d93" "9f63dddb55609133f29adf86ec9929dccb52c1c5fd2ff7e21b", "3ba16da0c6f2cc1f30187740756f5e798d6bc5fc015d7c63cc9510ee3fd44adc" "24d8e968b6e46e6f94d19b945361726bd75e149ef09817f580", "64a65f3cdedcdd66811e2915", None, "", "7eeeab7c4e50fb799b418ee5e3197ff6bf15d43a14c34389b59dd1a7b1b85b4a" "e90438aca634bea45e3a2695f1270f07fdcdf7c62b8efeaf00b45c2c96ba457e" "b1a8bf075a3db28e5c24f6b923ed4ad747c3c9e03c7079efb87cb110d3a99861" "e72003cbae6d6b8b827e4e6c143064ff3c00", ), ( "7ef4e84544236752fbb56b8f31a23a10e42814f5f55ca037cdcc11c64c9a3b29" "49c1bb60700314611732a6c2fea98eebc0266a11a93970100e", "b3da079b0aa493a5772029f0467baebee5a8112d9d3a22532361da294f7bb381" "5c5dc59e176b4d9f381ca0938e13c6c07b174be65dfa578e80", "64a65f3cdedcdd66811e2915e7", None, "", "6a12066f55331b6c22acd5d5bfc5d71228fbda80ae8dec26bdd306743c5027cb" "4890810c162c027468675ecf645a83176c0d7323a2ccde2d80efe5a1268e8aca" "1d6fbc194d3f77c44986eb4ab4177919ad8bec33eb47bbb5fc6e28196fd1caf5" "6b4e7e0ba5519234d047155ac727a1053100", ), ( "d65df341ad13e008567688baedda8e9dcdc17dc024974ea5b4227b6530e339bf" "f21f99e68ca6968f3cca6dfe0fb9f4fab4fa135d5542ea3f01", "df9705f58edbab802c7f8363cfe5560ab1c6132c20a9f1dd163483a26f8ac53a" "39d6808bf4a1dfbd261b099bb03b3fb50906cb28bd8a081f00", "bd0f6a3747cd561bdddf4640a332461a4a30a12a434cd0bf40d766d9c6d458e5" "512204a30c17d1f50b5079631f64eb3112182da3005835461113718d1a5ef944", None, "", "554bc2480860b49eab8532d2a533b7d578ef473eeb58c98bb2d0e1ce488a98b1" "8dfde9b9b90775e67f47d4a1c3482058efc9f40d2ca033a0801b63d45b3b722e" "f552bad3b4ccb667da350192b61c508cf7b6b5adadc2c8d9a446ef003fb05cba" "5f30e88e36ec2703b349ca229c2670833900", ), ( "2ec5fe3c17045abdb136a5e6a913e32ab75ae68b53d2fc149b77e504132d3756" "9b7e766ba74a19bd6162343a21c8590aa9cebca9014c636df5", "79756f014dcfe2079f5dd9e718be4171e2ef2486a08f25186f6bff43a9936b9b" "fe12402b08ae65798a3d81e22e9ec80e7690862ef3d4ed3a00", "15777532b0bdd0d1389f636c5f6b9ba734c90af572877e2d272dd078aa1e567c" "fa80e12928bb542330e8409f3174504107ecd5efac61ae7504dabe2a602ede89" "e5cca6257a7c77e27a702b3ae39fc769fc54f2395ae6a1178cab4738e543072f" "c1c177fe71e92e25bf03e4ecb72f47b64d0465aaea4c7fad372536c8ba516a60" "39c3c2a39f0e4d832be432dfa9a706a6e5c7e19f397964ca4258002f7c0541b5" "90316dbc5622b6b2a6fe7a4abffd96105eca76ea7b98816af0748c10df048ce0" "12d901015a51f189f3888145c03650aa23ce894c3bd889e030d565071c59f409" "a9981b51878fd6fc110624dcbcde0bf7a69ccce38fabdf86f3bef6044819de11", None, "", "c650ddbb0601c19ca11439e1640dd931f43c518ea5bea70d3dcde5f4191fe53f" "00cf966546b72bcc7d58be2b9badef28743954e3a44a23f880e8d4f1cfce2d7a" "61452d26da05896f0a50da66a239a8a188b6d825b3305ad77b73fbac0836ecc6" "0987fd08527c1a8e80d5823e65cafe2a3d00", ), ( "872d093780f5d3730df7c212664b37b8a0f24f56810daa8382cd4fa3f77634ec" "44dc54f1c2ed9bea86fafb7632d8be199ea165f5ad55dd9ce8", "a81b2e8a70a5ac94ffdbcc9badfc3feb0801f258578bb114ad44ece1ec0e799d" "a08effb81c5d685c0c56f64eecaef8cdf11cc38737838cf400", "6ddf802e1aae4986935f7f981ba3f0351d6273c0a0c22c9c0e8339168e675412" "a3debfaf435ed651558007db4384b650fcc07e3b586a27a4f7a00ac8a6fec2cd" "86ae4bf1570c41e6a40c931db27b2faa15a8cedd52cff7362c4e6e23daec0fbc" "3a79b6806e316efcc7b68119bf46bc76a26067a53f296dafdbdc11c77f7777e9" "72660cf4b6a9b369a6665f02e0cc9b6edfad136b4fabe723d2813db3136cfde9" "b6d044322fee2947952e031b73ab5c603349b307bdc27bc6cb8b8bbd7bd32321" "9b8033a581b59eadebb09b3c4f3d2277d4f0343624acc817804728b25ab79717" "2b4c5c21a22f9c7839d64300232eb66e53f31c723fa37fe387c7d3e50bdf9813" "a30e5bb12cf4cd930c40cfb4e1fc622592a49588794494d56d24ea4b40c89fc0" "596cc9ebb961c8cb10adde976a5d602b1c3f85b9b9a001ed3c6a4d3b1437f520" "96cd1956d042a597d561a596ecd3d1735a8d570ea0ec27225a2c4aaff26306d1" "526c1af3ca6d9cf5a2c98f47e1c46db9a33234cfd4d81f2c98538a09ebe76998" "d0d8fd25997c7d255c6d66ece6fa56f11144950f027795e653008f4bd7ca2dee" "85d8e90f3dc315130ce2a00375a318c7c3d97be2c8ce5b6db41a6254ff264fa6" "155baee3b0773c0f497c573f19bb4f4240281f0b1f4f7be857a4e59d416c06b4" "c50fa09e1810ddc6b1467baeac5a3668d11b6ecaa901440016f389f80acc4db9" "77025e7f5924388c7e340a732e554440e76570f8dd71b7d640b3450d1fd5f041" "0a18f9a3494f707c717b79b4bf75c98400b096b21653b5d217cf3565c9597456" "f70703497a078763829bc01bb1cbc8fa04eadc9a6e3f6699587a9e75c94e5bab" "0036e0b2e711392cff0047d0d6b05bd2a588bc109718954259f1d86678a579a3" "120f19cfb2963f177aeb70f2d4844826262e51b80271272068ef5b3856fa8535" "aa2a88b2d41f2a0e2fda7624c2850272ac4a2f561f8f2f7a318bfd5caf969614" "9e4ac824ad3460538fdc25421beec2cc6818162d06bbed0c40a387192349db67" "a118bada6cd5ab0140ee273204f628aad1c135f770279a651e24d8c14d75a605" "9d76b96a6fd857def5e0b354b27ab937a5815d16b5fae407ff18222c6d1ed263" "be68c95f32d908bd895cd76207ae726487567f9a67dad79abec316f683b17f2d" "02bf07e0ac8b5bc6162cf94697b3c27cd1fea49b27f23ba2901871962506520c" "392da8b6ad0d99f7013fbc06c2c17a569500c8a7696481c1cd33e9b14e40b82e" "79a5f5db82571ba97bae3ad3e0479515bb0e2b0f3bfcd1fd33034efc6245eddd" "7ee2086ddae2600d8ca73e214e8c2b0bdb2b047c6a464a562ed77b73d2d841c4" "b34973551257713b753632efba348169abc90a68f42611a40126d7cb21b58695" "568186f7e569d2ff0f9e745d0487dd2eb997cafc5abf9dd102e62ff66cba87", None, "", "e301345a41a39a4d72fff8df69c98075a0cc082b802fc9b2b6bc503f926b65bd" "df7f4c8f1cb49f6396afc8a70abe6d8aef0db478d4c6b2970076c6a0484fe76d" "76b3a97625d79f1ce240e7c576750d295528286f719b413de9ada3e8eb78ed57" "3603ce30d8bb761785dc30dbc320869e1a00" ), # 7.5 Ed448ph ( "833fe62409237b9d62ec77587520911e9a759cec1d19755b7da901b96dca3d42" "ef7822e0d5104127dc05d6dbefde69e3ab2cec7c867c6e2c49", "259b71c19f83ef77a7abd26524cbdb3161b590a48f7d17de3ee0ba9c52beb743" "c09428a131d6b1b57303d90d8132c276d5ed3d5d01c0f53880", "616263", SHAKE256, "", "822f6901f7480f3d5f562c592994d9693602875614483256505600bbc281ae38" "1f54d6bce2ea911574932f52a4e6cadd78769375ec3ffd1b801a0d9b3f4030cd" "433964b6457ea39476511214f97469b57dd32dbc560a9a94d00bff07620464a3" "ad203df7dc7ce360c3cd3696d9d9fab90f00" ), ( "833fe62409237b9d62ec77587520911e9a759cec1d19755b7da901b96dca3d42" "ef7822e0d5104127dc05d6dbefde69e3ab2cec7c867c6e2c49", "259b71c19f83ef77a7abd26524cbdb3161b590a48f7d17de3ee0ba9c52beb743" "c09428a131d6b1b57303d90d8132c276d5ed3d5d01c0f53880", "616263", SHAKE256, "666f6f", "c32299d46ec8ff02b54540982814dce9a05812f81962b649d528095916a2aa48" "1065b1580423ef927ecf0af5888f90da0f6a9a85ad5dc3f280d91224ba9911a3" "653d00e484e2ce232521481c8658df304bb7745a73514cdb9bf3e15784ab7128" "4f8d0704a608c54a6b62d97beb511d132100", ), ) rfc8032_tv_bytes = [] for tv_str in rfc8032_tv_str: rfc8032_tv_bytes.append([unhexlify(i) if isinstance(i, str) else i for i in tv_str]) class TestEdDSA(unittest.TestCase): def test_sign(self): for sk, _, msg, hashmod, ctx, exp_signature in rfc8032_tv_bytes: key = eddsa.import_private_key(sk) signer = eddsa.new(key, 'rfc8032', context=ctx) if hashmod is None: # PureEdDSA signature = signer.sign(msg) else: # HashEdDSA hashobj = hashmod.new(msg) signature = signer.sign(hashobj) self.assertEqual(exp_signature, signature) def test_verify(self): for _, pk, msg, hashmod, ctx, exp_signature in rfc8032_tv_bytes: key = eddsa.import_public_key(pk) verifier = eddsa.new(key, 'rfc8032', context=ctx) if hashmod is None: # PureEdDSA verifier.verify(msg, exp_signature) else: # HashEdDSA hashobj = hashmod.new(msg) verifier.verify(hashobj, exp_signature) def test_negative(self): key = ECC.generate(curve="ed25519") self.assertRaises(ValueError, eddsa.new, key, 'rfc9999') nist_key = ECC.generate(curve="p256") self.assertRaises(ValueError, eddsa.new, nist_key, 'rfc8032') class TestExport_Ed25519(unittest.TestCase): def test_raw(self): key = ECC.generate(curve="Ed25519") x, y = key.pointQ.xy raw = bytearray(key._export_eddsa()) sign_x = raw[31] >> 7 raw[31] &= 0x7F yt = bytes_to_long(raw[::-1]) self.assertEqual(y, yt) self.assertEqual(x & 1, sign_x) key = ECC.construct(point_x=0, point_y=1, curve="Ed25519") out = key._export_eddsa() self.assertEqual(b'\x01' + b'\x00' * 31, out) class TestExport_Ed448(unittest.TestCase): def test_raw(self): key = ECC.generate(curve="Ed448") x, y = key.pointQ.xy raw = bytearray(key._export_eddsa()) sign_x = raw[56] >> 7 raw[56] &= 0x7F yt = bytes_to_long(raw[::-1]) self.assertEqual(y, yt) self.assertEqual(x & 1, sign_x) key = ECC.construct(point_x=0, point_y=1, curve="Ed448") out = key._export_eddsa() self.assertEqual(b'\x01' + b'\x00' * 56, out) class TestImport_Ed25519(unittest.TestCase): def test_raw(self): Px = 24407857220263921307776619664228778204996144802740950419837658238229122415920 Py = 56480760040633817885061096979765646085062883740629155052073094891081309750690 encoded = b'\xa2\x05\xd6\x00\xe1 \xe1\xc0\xff\x96\xee?V\x8e\xba/\xd3\x89\x06\xd7\xc4c\xe8$\xc2d\xd7a1\xfa\xde|' key = eddsa.import_public_key(encoded) self.assertEqual(Py, key.pointQ.y) self.assertEqual(Px, key.pointQ.x) encoded = b'\x01' + b'\x00' * 31 key = eddsa.import_public_key(encoded) self.assertEqual(1, key.pointQ.y) self.assertEqual(0, key.pointQ.x) class TestImport_Ed448(unittest.TestCase): def test_raw(self): Px = 0x153f42025aba3b0daecaa5cd79458b3146c7c9378c16c17b4a59bc3561113d90c169045bc12966c3f93e140c2ca0a3acc33d9205b9daf9b1 Py = 0x38f5c0015d3dedd576c232810dd90373b5b1d631a12894c043b7be529cbae03ede177d8fa490b56131dbcb2465d2aba777ef839fc1719b25 encoded = unhexlify("259b71c19f83ef77a7abd26524cbdb31" "61b590a48f7d17de3ee0ba9c52beb743" "c09428a131d6b1b57303d90d8132c276" "d5ed3d5d01c0f53880") key = eddsa.import_public_key(encoded) self.assertEqual(Py, key.pointQ.y) self.assertEqual(Px, key.pointQ.x) encoded = b'\x01' + b'\x00' * 56 key = eddsa.import_public_key(encoded) self.assertEqual(1, key.pointQ.y) self.assertEqual(0, key.pointQ.x) class TestVectorsEdDSAWycheproof(unittest.TestCase): def add_tests(self, filename): def pk(group): elem = group['key']['pk'] return unhexlify(elem) def sk(group): elem = group['key']['sk'] return unhexlify(elem) result = load_test_vectors_wycheproof(("Signature", "wycheproof"), filename, "Wycheproof ECDSA signature (%s)" % filename, group_tag={'pk': pk, 'sk': sk}) self.tv += result def setUp(self): self.tv = [] self.add_tests("eddsa_test.json") self.add_tests("ed448_test.json") def test_sign(self, tv): if not tv.valid: return self._id = "Wycheproof EdDSA Sign Test #%d (%s, %s)" % (tv.id, tv.comment, tv.filename) key = eddsa.import_private_key(tv.sk) signer = eddsa.new(key, 'rfc8032') signature = signer.sign(tv.msg) self.assertEqual(signature, tv.sig) def test_verify(self, tv): self._id = "Wycheproof EdDSA Verify Test #%d (%s, %s)" % (tv.id, tv.comment, tv.filename) key = eddsa.import_public_key(tv.pk) verifier = eddsa.new(key, 'rfc8032') try: verifier.verify(tv.msg, tv.sig) except ValueError: assert not tv.valid else: assert tv.valid def runTest(self): for tv in self.tv: self.test_sign(tv) self.test_verify(tv) def get_tests(config={}): tests = [] tests += list_test_cases(TestExport_Ed25519) tests += list_test_cases(TestExport_Ed448) tests += list_test_cases(TestImport_Ed25519) tests += list_test_cases(TestImport_Ed448) tests += list_test_cases(TestEdDSA) tests += [TestVectorsEdDSAWycheproof()] return tests if __name__ == '__main__': def suite(): return unittest.TestSuite(get_tests()) unittest.main(defaultTest='suite')