From 0fb5d85c6cbc7e9eeaefc8187d188006209844f1 Mon Sep 17 00:00:00 2001 From: Mohammed Attia Date: Mon, 21 Apr 2014 10:31:15 +0200 Subject: Add DSA SigVer vectors loader --- tests/test_utils.py | 335 ++++++++++++++++++++++++++++++++++++++++++++++------ tests/utils.py | 66 +++++++++++ 2 files changed, 362 insertions(+), 39 deletions(-) diff --git a/tests/test_utils.py b/tests/test_utils.py index c91efa7f..f6669b05 100644 --- a/tests/test_utils.py +++ b/tests/test_utils.py @@ -28,9 +28,10 @@ import cryptography_vectors from .utils import ( check_backend_support, check_for_iface, load_cryptrec_vectors, - load_fips_dsa_key_pair_vectors, load_fips_ecdsa_key_pair_vectors, - load_fips_ecdsa_signing_vectors, load_hash_vectors, load_nist_vectors, - load_pkcs1_vectors, load_rsa_nist_vectors, load_vectors_from_file, + load_fips_dsa_key_pair_vectors, load_fips_dsa_sig_ver_vectors, + load_fips_ecdsa_key_pair_vectors, load_fips_ecdsa_signing_vectors, + load_hash_vectors, load_nist_vectors, load_pkcs1_vectors, + load_rsa_nist_vectors, load_vectors_from_file, raises_unsupported_algorithm, select_backends ) @@ -1824,45 +1825,260 @@ de61329a78d526f65245380ce877e979c5b50de66c9c30d66382c8f254653d25a1eb1d3a4897d7\ assert expected == load_fips_dsa_key_pair_vectors(vector_data) -def test_vector_version(): - assert cryptography.__version__ == cryptography_vectors.__version__ - - -def test_raises_unsupported_algorithm_wrong_type(): - # Check that it raises if the wrong type of exception is raised. - class TestException(Exception): - pass - - with pytest.raises(TestException): - with raises_unsupported_algorithm(None): - raise TestException - - -def test_raises_unsupported_algorithm_wrong_reason(): - # Check that it fails if the wrong reason code is raised. - with pytest.raises(AssertionError): - with raises_unsupported_algorithm(None): - raise UnsupportedAlgorithm("An error.", - _Reasons.BACKEND_MISSING_INTERFACE) - +def test_load_fips_dsa_sig_ver_vectors(): + vector_data = textwrap.dedent(""" + # CAVS 11.0 + # "SigVer" information + # Mod sizes selected: SHA-1 L=1024, N=160,SHA-384 L=2048, N=256 + # Generated on Fri Apr 01 08:37:15 2011 + + [mod = L=1024, N=160, SHA-1] + + P = dc5bf3a88b2d99e4c95cdd7a0501cc38630d425cf5c390af3429cff1f35147b795cae\ +a923f0d3577158f8a0c89dabd1962c2c453306b5d70cacfb01430aceb54e5a5fa6f93\ +40d3bd2da612fceeb76b0ec1ebfae635a56ab141b108e00dc76eefe2edd0c514c21c4\ +57457c39065dba9d0ecb7569c247172d8438ad2827b60435b + Q = e956602b83d195dbe945b3ac702fc61f81571f1d + G = d7eb9ca20a3c7a079606bafc4c9261ccaba303a5dc9fe9953f197dfe548c234895baa\ +77f441ee6a2d97b909cbbd26ff7b869d24cae51b5c6edb127a4b5d75cd8b46608bfa1\ +48249dffdb59807c5d7dde3fe3080ca3a2d28312142becb1fa8e24003e21c72871081\ +74b95d5bc711e1c8d9b1076784f5dc37a964a5e51390da713 + + Msg = 0fe1bfee500bdb76026099b1d37553f6bdfe48c82094ef98cb309dd777330bedfaa\ +2f94c823ef74ef4074b50d8706041ac0e371c7c22dcf70263b8d60e17a86c7c379c\ +fda8f22469e0df9d49d59439fc99891873628fff25dda5fac5ac794e948babdde96\ +8143ba05f1128f34fdad5875edc4cd71c6c24ba2060ffbd439ce2b3 + X = 1d93010c29ecfc432188942f46f19f44f0e1bb5d + Y = 6240ea0647117c38fe705106d56db578f3e10130928452d4f3587881b8a2bc6873a8b\ +efc3237f20914e2a91c7f07a928ee22adeed23d74ab7f82ea11f70497e578f7a9b4cb\ +d6f10226222b0b4da2ea1e49813d6bb9882fbf675c0846bb80cc891857b89b0ef1beb\ +6cce3378a9aab5d66ad4cb9277cf447dfe1e64434749432fb + R = b5af307867fb8b54390013cc67020ddf1f2c0b81 + S = 620d3b22ab5031440c3e35eab6f481298f9e9f08 + Result = P -def test_raises_unsupported_no_exc(): - # Check that it fails if no exception is raised. - with pytest.raises(pytest.fail.Exception): - with raises_unsupported_algorithm( - _Reasons.BACKEND_MISSING_INTERFACE - ): - pass + Msg = 97d50898025d2f9ba633866e968ca75e969d394edba6517204cb3dd537c2ba38778\ +a2dc9dbc685a915e5676fcd43bc3726bc59ce3d7a9fae35565082a069c139fa37c9\ +0d922b126933db3fa6c5ef6b1edf00d174a51887bb76909c6a94fe994ecc7b7fc8f\ +26113b17f30f9d01693df99a125b4f17e184331c6b6e8ca00f54f3a + X = 350e13534692a7e0c4b7d58836046c436fbb2322 + Y = 69974de550fe6bd3099150faea1623ad3fb6d9bf23a07215093f319725ad0877accff\ +d291b6da18eb0cbe51676ceb0977504eb97c27c0b191883f72fb2710a9fbd8bcf13be\ +0bf854410b32f42b33ec89d3cc1cf892bcd536c4195ca9ada302ad600c3408739935d\ +77dc247529ca47f844cc86f5016a2fe962c6e20ca7c4d4e8f + R = b5d05faa7005764e8dae0327c5bf1972ff7681b9 + S = 18ea15bd9f00475b25204cbc23f8c23e01588015 + Result = F (3 - R changed ) + + [mod = L=2048, N=256, SHA-384] + + P = e7c1c86125db9ef417da1ced7ea0861bdad629216a3f3c745df42a46b989e59f4d984\ +25ee3c932fa3c2b6f637bdb6545bec526faa037e11f5578a4363b9fca5eba60d6a9cb\ +aa2befd04141d989c7356285132c2eaf74f2d868521cdc0a17ae9a2546ef863027d3f\ +8cc7949631fd0e2971417a912c8b8c5c989730db6ea6e8baee0e667850429038093c8\ +51ccb6fb173bb081e0efe0bd7450e0946888f89f75e443ab93ef2da293a01622cf43c\ +6dd79625d41ba8f9ef7e3086ab39134283d8e96c89249488120fd061e4a87d34af410\ +69c0b4fd3934c31b589cbe85b68b912718d5dab859fda7082511fad1d152044905005\ +546e19b14aa96585a55269bf2b831 + Q = 8e056ec9d4b7acb580087a6ed9ba3478711bb025d5b8d9c731ef9b38bd43db2f + G = dc2bfb9776786ad310c8b0cdcbba3062402613c67e6959a8d8d1b05aab636528b7b1f\ +e9cd33765f853d6dbe13d09f2681f8c7b1ed7886aaed70c7bd76dbe858ffb8bd86235\ +ddf759244678f428c6519af593dc94eeadbd9852ba2b3d61664e8d58c29d2039af3c3\ +d6d16f90988f6a8c824569f3d48050e30896a9e17cd0232ef01ab8790008f6973b84c\ +763a72f4ae8b485abfb7e8efeb86808fa2b281d3e5d65d28f5992a34c077c5aa8026c\ +b2fbc34a45f7e9bd216b10e6f12ecb172e9a6eb8f2e91316905b6add1fd22e83bc2f0\ +89f1d5e6a6e6707c18ff55ddcb7954e8bceaf0efc4e8314910c03b0e51175f344faaf\ +ee476a373ac95743cec712b72cf2e + + Msg = 6cd6ccfd66bcd832189c5f0c77994210e3bf2c43416f0fe77c4e92f31c5369538dc\ +2c003f146c5ac79df43194ccf3c44d470d9f1083bd15b99b5bcf88c32d8a9021f09\ +ea2288d7b3bf345a12aef3949c1e121b9fb371a67c2d1377364206ac839dd784835\ +61426bda0303f285aa12e9c45d3cdfc6beae3549703b187deeb3296 + X = 56c897b5938ad5b3d437d7e4826da586a6b3be15e893fa1aaa946f20a028b6b3 + Y = 38ad44489e1a5778b9689f4dcf40e2acf23840fb954e987d6e8cb629106328ac64e1f\ +3c3eba48b21176ad4afe3b733bead382ee1597e1b83e4b43424f2daaba04e5bd79e14\ +36693ac2bddb79a298f026e57e200a252efd1e848a4a2e90be6e78f5242b468b9c0c6\ +d2615047a5a40b9ae7e57a519114db55bf3bed65e580f894b094630ca9c217f6accd0\ +91e72d2f22da620044ff372d7273f9445017fad492959e59600b7494dbe766a03e401\ +25d4e6747c76f68a5b0cdc0e7d7cee12d08c6fb7d0fb049e420a33405075ed4463296\ +345ca695fb7feab7c1b5333ae519fcd4bb6a043f4555378969114743d4face96cad31\ +c0e0089da4e3f61b6d7dabc088ab7 + R = 3b85b17be240ed658beb3652c9d93e8e9eea160d35ee2459614305802963374e + S = 726800a5174a53b56dce86064109c0273cd11fcfa3c92c5cd6aa910260c0e3c7 + Result = F (1 - Message changed) + + Msg = 3ad6b0884f358dea09c31a9abc40c45a6000611fc2b907b30eac00413fd2819de70\ +15488a411609d46c499b8f7afa1b78b352ac7f8535bd805b8ff2a5eae557098c668\ +f7ccd73af886d6823a6d456c29931ee864ed46d767382785728c2a83fcff5271007\ +d2a67d06fa205fd7b9d1a42ea5d6dc76e5e18a9eb148cd1e8b262ae + X = 2faf566a9f057960f1b50c69508f483d9966d6e35743591f3a677a9dc40e1555 + Y = 926425d617babe87c442b03903e32ba5bbf0cd9d602b59c4df791a4d64a6d4333ca0c\ +0d370552539197d327dcd1bbf8c454f24b03fc7805f862db34c7b066ddfddbb11dbd0\ +10b27123062d028fe041cb56a2e77488348ae0ab6705d87aac4d4e9e6600e9e706326\ +d9979982cffa839beb9eacc3963bcca455a507e80c1c37ad4e765b2c9c0477a075e9b\ +c584feacdf3a35a9391d4711f14e197c54022282bfed9a191213d64127f17a9c5affe\ +c26e0c71f15d3a5b16098fec118c45bf8bb2f3b1560df0949254c1c0aeb0a16d5a95a\ +40fab8521fbe8ea77c51169b587cc3360e5733e6a23b9fded8c40724ea1f9e93614b3\ +a6c9b4f8dbbe915b794497227ba62 + R = 343ea0a9e66277380f604d5880fca686bffab69ca97bfba015a102a7e23dce0e + S = 6258488c770e0f5ad7b9da8bade5023fc0d17c6ec517bd08d53e6dc01ac5c2b3 + Result = P + """).splitlines() + expected = [ + { + 'p': int('dc5bf3a88b2d99e4c95cdd7a0501cc38630d425cf5c390af3429cff1' + 'f35147b795caea923f0d3577158f8a0c89dabd1962c2c453306b5d70' + 'cacfb01430aceb54e5a5fa6f9340d3bd2da612fceeb76b0ec1ebfae6' + '35a56ab141b108e00dc76eefe2edd0c514c21c457457c39065dba9d0' + 'ecb7569c247172d8438ad2827b60435b', 16), + 'q': int('e956602b83d195dbe945b3ac702fc61f81571f1d', 16), + 'g': int('d7eb9ca20a3c7a079606bafc4c9261ccaba303a5dc9fe9953f197dfe' + '548c234895baa77f441ee6a2d97b909cbbd26ff7b869d24cae51b5c6' + 'edb127a4b5d75cd8b46608bfa148249dffdb59807c5d7dde3fe3080c' + 'a3a2d28312142becb1fa8e24003e21c7287108174b95d5bc711e1c8d' + '9b1076784f5dc37a964a5e51390da713', 16), + 'digest_algorithm': 'SHA-1', + 'msg': binascii.unhexlify( + b'0fe1bfee500bdb76026099b1d37553f6bdfe48c82094ef98cb309dd77733' + b'0bedfaa2f94c823ef74ef4074b50d8706041ac0e371c7c22dcf70263b8d6' + b'0e17a86c7c379cfda8f22469e0df9d49d59439fc99891873628fff25dda5' + b'fac5ac794e948babdde968143ba05f1128f34fdad5875edc4cd71c6c24ba' + b'2060ffbd439ce2b3'), + 'x': int('1d93010c29ecfc432188942f46f19f44f0e1bb5d', 16), + 'y': int('6240ea0647117c38fe705106d56db578f3e10130928452d4f3587881' + 'b8a2bc6873a8befc3237f20914e2a91c7f07a928ee22adeed23d74ab' + '7f82ea11f70497e578f7a9b4cbd6f10226222b0b4da2ea1e49813d6b' + 'b9882fbf675c0846bb80cc891857b89b0ef1beb6cce3378a9aab5d66' + 'ad4cb9277cf447dfe1e64434749432fb', 16), + 'r': int('b5af307867fb8b54390013cc67020ddf1f2c0b81', 16), + 's': int('620d3b22ab5031440c3e35eab6f481298f9e9f08', 16), + 'result': 'P'}, + { + 'p': int('dc5bf3a88b2d99e4c95cdd7a0501cc38630d425cf5c390af3429cff1' + 'f35147b795caea923f0d3577158f8a0c89dabd1962c2c453306b5d70' + 'cacfb01430aceb54e5a5fa6f9340d3bd2da612fceeb76b0ec1ebfae6' + '35a56ab141b108e00dc76eefe2edd0c514c21c457457c39065dba9d0' + 'ecb7569c247172d8438ad2827b60435b', 16), + 'q': int('e956602b83d195dbe945b3ac702fc61f81571f1d', 16), + 'g': int('d7eb9ca20a3c7a079606bafc4c9261ccaba303a5dc9fe9953f197dfe' + '548c234895baa77f441ee6a2d97b909cbbd26ff7b869d24cae51b5c6' + 'edb127a4b5d75cd8b46608bfa148249dffdb59807c5d7dde3fe3080c' + 'a3a2d28312142becb1fa8e24003e21c7287108174b95d5bc711e1c8d' + '9b1076784f5dc37a964a5e51390da713', 16), + 'digest_algorithm': 'SHA-1', + 'msg': binascii.unhexlify( + b'97d50898025d2f9ba633866e968ca75e969d394edba6517204cb3dd537c2' + b'ba38778a2dc9dbc685a915e5676fcd43bc3726bc59ce3d7a9fae35565082' + b'a069c139fa37c90d922b126933db3fa6c5ef6b1edf00d174a51887bb7690' + b'9c6a94fe994ecc7b7fc8f26113b17f30f9d01693df99a125b4f17e184331' + b'c6b6e8ca00f54f3a'), + 'x': int('350e13534692a7e0c4b7d58836046c436fbb2322', 16), + 'y': int('69974de550fe6bd3099150faea1623ad3fb6d9bf23a07215093f3197' + '25ad0877accffd291b6da18eb0cbe51676ceb0977504eb97c27c0b19' + '1883f72fb2710a9fbd8bcf13be0bf854410b32f42b33ec89d3cc1cf8' + '92bcd536c4195ca9ada302ad600c3408739935d77dc247529ca47f84' + '4cc86f5016a2fe962c6e20ca7c4d4e8f', 16), + 'r': int('b5d05faa7005764e8dae0327c5bf1972ff7681b9', 16), + 's': int('18ea15bd9f00475b25204cbc23f8c23e01588015', 16), + 'result': 'F'}, + { + 'p': int('e7c1c86125db9ef417da1ced7ea0861bdad629216a3f3c745df42a4' + '6b989e59f4d98425ee3c932fa3c2b6f637bdb6545bec526faa037e1' + '1f5578a4363b9fca5eba60d6a9cbaa2befd04141d989c7356285132' + 'c2eaf74f2d868521cdc0a17ae9a2546ef863027d3f8cc7949631fd0' + 'e2971417a912c8b8c5c989730db6ea6e8baee0e667850429038093c' + '851ccb6fb173bb081e0efe0bd7450e0946888f89f75e443ab93ef2d' + 'a293a01622cf43c6dd79625d41ba8f9ef7e3086ab39134283d8e96c' + '89249488120fd061e4a87d34af41069c0b4fd3934c31b589cbe85b6' + '8b912718d5dab859fda7082511fad1d152044905005546e19b14aa9' + '6585a55269bf2b831', 16), + 'q': int('8e056ec9d4b7acb580087a6ed9ba3478711bb025d5b8d9c731ef9b3' + '8bd43db2f', 16), + 'g': int('dc2bfb9776786ad310c8b0cdcbba3062402613c67e6959a8d8d1b05' + 'aab636528b7b1fe9cd33765f853d6dbe13d09f2681f8c7b1ed7886a' + 'aed70c7bd76dbe858ffb8bd86235ddf759244678f428c6519af593d' + 'c94eeadbd9852ba2b3d61664e8d58c29d2039af3c3d6d16f90988f6' + 'a8c824569f3d48050e30896a9e17cd0232ef01ab8790008f6973b84' + 'c763a72f4ae8b485abfb7e8efeb86808fa2b281d3e5d65d28f5992a' + '34c077c5aa8026cb2fbc34a45f7e9bd216b10e6f12ecb172e9a6eb8' + 'f2e91316905b6add1fd22e83bc2f089f1d5e6a6e6707c18ff55ddcb' + '7954e8bceaf0efc4e8314910c03b0e51175f344faafee476a373ac9' + '5743cec712b72cf2e', 16), + 'digest_algorithm': 'SHA-384', + 'msg': binascii.unhexlify( + b'6cd6ccfd66bcd832189c5f0c77994210e3bf2c43416f0fe77c4e92f31c5' + b'369538dc2c003f146c5ac79df43194ccf3c44d470d9f1083bd15b99b5bc' + b'f88c32d8a9021f09ea2288d7b3bf345a12aef3949c1e121b9fb371a67c2' + b'd1377364206ac839dd78483561426bda0303f285aa12e9c45d3cdfc6bea' + b'e3549703b187deeb3296'), + 'x': int('56c897b5938ad5b3d437d7e4826da586a6b3be15e893fa1aaa946f2' + '0a028b6b3', 16), + 'y': int('38ad44489e1a5778b9689f4dcf40e2acf23840fb954e987d6e8cb62' + '9106328ac64e1f3c3eba48b21176ad4afe3b733bead382ee1597e1b' + '83e4b43424f2daaba04e5bd79e1436693ac2bddb79a298f026e57e2' + '00a252efd1e848a4a2e90be6e78f5242b468b9c0c6d2615047a5a40' + 'b9ae7e57a519114db55bf3bed65e580f894b094630ca9c217f6accd' + '091e72d2f22da620044ff372d7273f9445017fad492959e59600b74' + '94dbe766a03e40125d4e6747c76f68a5b0cdc0e7d7cee12d08c6fb7' + 'd0fb049e420a33405075ed4463296345ca695fb7feab7c1b5333ae5' + '19fcd4bb6a043f4555378969114743d4face96cad31c0e0089da4e3' + 'f61b6d7dabc088ab7', 16), + 'r': int('3b85b17be240ed658beb3652c9d93e8e9eea160d35ee24596143058' + '02963374e', 16), + 's': int('726800a5174a53b56dce86064109c0273cd11fcfa3c92c5cd6aa910' + '260c0e3c7', 16), + 'result': 'F'}, + { + 'p': int('e7c1c86125db9ef417da1ced7ea0861bdad629216a3f3c745df42a4' + '6b989e59f4d98425ee3c932fa3c2b6f637bdb6545bec526faa037e1' + '1f5578a4363b9fca5eba60d6a9cbaa2befd04141d989c7356285132' + 'c2eaf74f2d868521cdc0a17ae9a2546ef863027d3f8cc7949631fd0' + 'e2971417a912c8b8c5c989730db6ea6e8baee0e667850429038093c' + '851ccb6fb173bb081e0efe0bd7450e0946888f89f75e443ab93ef2d' + 'a293a01622cf43c6dd79625d41ba8f9ef7e3086ab39134283d8e96c' + '89249488120fd061e4a87d34af41069c0b4fd3934c31b589cbe85b6' + '8b912718d5dab859fda7082511fad1d152044905005546e19b14aa9' + '6585a55269bf2b831', 16), + 'q': int('8e056ec9d4b7acb580087a6ed9ba3478711bb025d5b8d9c731ef9b3' + '8bd43db2f', 16), + 'g': int('dc2bfb9776786ad310c8b0cdcbba3062402613c67e6959a8d8d1b05' + 'aab636528b7b1fe9cd33765f853d6dbe13d09f2681f8c7b1ed7886a' + 'aed70c7bd76dbe858ffb8bd86235ddf759244678f428c6519af593d' + 'c94eeadbd9852ba2b3d61664e8d58c29d2039af3c3d6d16f90988f6' + 'a8c824569f3d48050e30896a9e17cd0232ef01ab8790008f6973b84' + 'c763a72f4ae8b485abfb7e8efeb86808fa2b281d3e5d65d28f5992a' + '34c077c5aa8026cb2fbc34a45f7e9bd216b10e6f12ecb172e9a6eb8' + 'f2e91316905b6add1fd22e83bc2f089f1d5e6a6e6707c18ff55ddcb' + '7954e8bceaf0efc4e8314910c03b0e51175f344faafee476a373ac9' + '5743cec712b72cf2e', 16), + 'digest_algorithm': 'SHA-384', + 'msg': binascii.unhexlify( + b'3ad6b0884f358dea09c31a9abc40c45a6000611fc2b907b30eac00413fd' + b'2819de7015488a411609d46c499b8f7afa1b78b352ac7f8535bd805b8ff' + b'2a5eae557098c668f7ccd73af886d6823a6d456c29931ee864ed46d7673' + b'82785728c2a83fcff5271007d2a67d06fa205fd7b9d1a42ea5d6dc76e5e' + b'18a9eb148cd1e8b262ae'), + 'x': int('2faf566a9f057960f1b50c69508f483d9966d6e35743591f3a677a9' + 'dc40e1555', 16), + 'y': int('926425d617babe87c442b03903e32ba5bbf0cd9d602b59c4df791a4d' + '64a6d4333ca0c0d370552539197d327dcd1bbf8c454f24b03fc7805f' + '862db34c7b066ddfddbb11dbd010b27123062d028fe041cb56a2e774' + '88348ae0ab6705d87aac4d4e9e6600e9e706326d9979982cffa839be' + 'b9eacc3963bcca455a507e80c1c37ad4e765b2c9c0477a075e9bc584' + 'feacdf3a35a9391d4711f14e197c54022282bfed9a191213d64127f1' + '7a9c5affec26e0c71f15d3a5b16098fec118c45bf8bb2f3b1560df09' + '49254c1c0aeb0a16d5a95a40fab8521fbe8ea77c51169b587cc3360e' + '5733e6a23b9fded8c40724ea1f9e93614b3a6c9b4f8dbbe915b79449' + '7227ba62', 16), + 'r': int('343ea0a9e66277380f604d5880fca686bffab69ca97bfba015a102a' + '7e23dce0e', 16), + 's': int('6258488c770e0f5ad7b9da8bade5023fc0d17c6ec517bd08d53e6dc' + '01ac5c2b3', 16), + 'result': 'P'} + ] -def test_raises_unsupported_algorithm(): - # Check that it doesnt assert if the right things are raised. - with raises_unsupported_algorithm( - _Reasons.BACKEND_MISSING_INTERFACE - ) as exc_info: - raise UnsupportedAlgorithm("An error.", - _Reasons.BACKEND_MISSING_INTERFACE) - assert exc_info.type is UnsupportedAlgorithm + assert expected == load_fips_dsa_sig_ver_vectors(vector_data) def test_load_fips_ecdsa_key_pair_vectors(): @@ -2145,3 +2361,44 @@ bdcf3035f6829ede041b745955d219dc5d30ddd8b37f6ba0f6d2857504cdc68a1ed812a10 } ] assert expected == load_fips_ecdsa_signing_vectors(vector_data) + + +def test_vector_version(): + assert cryptography.__version__ == cryptography_vectors.__version__ + + +def test_raises_unsupported_algorithm_wrong_type(): + # Check that it raises if the wrong type of exception is raised. + class TestException(Exception): + pass + + with pytest.raises(TestException): + with raises_unsupported_algorithm(None): + raise TestException + + +def test_raises_unsupported_algorithm_wrong_reason(): + # Check that it fails if the wrong reason code is raised. + with pytest.raises(AssertionError): + with raises_unsupported_algorithm(None): + raise UnsupportedAlgorithm("An error.", + _Reasons.BACKEND_MISSING_INTERFACE) + + +def test_raises_unsupported_no_exc(): + # Check that it fails if no exception is raised. + with pytest.raises(pytest.fail.Exception): + with raises_unsupported_algorithm( + _Reasons.BACKEND_MISSING_INTERFACE + ): + pass + + +def test_raises_unsupported_algorithm(): + # Check that it doesnt assert if the right things are raised. + with raises_unsupported_algorithm( + _Reasons.BACKEND_MISSING_INTERFACE + ) as exc_info: + raise UnsupportedAlgorithm("An error.", + _Reasons.BACKEND_MISSING_INTERFACE) + assert exc_info.type is UnsupportedAlgorithm diff --git a/tests/utils.py b/tests/utils.py index 63560395..688260ba 100644 --- a/tests/utils.py +++ b/tests/utils.py @@ -431,6 +431,72 @@ def load_fips_dsa_key_pair_vectors(vector_data): return vectors +def load_fips_dsa_sig_ver_vectors(vector_data): + """ + Loads data out of the FIPS DSA SigVer vector files. + """ + vectors = [] + sha_regex = re.compile( + r"\[mod = L=...., N=..., SHA-(?P1|224|256|384|512)\]" + ) + # When reading_key_data is set to True it tells the loader to continue + # constructing dictionaries. We set reading_key_data to False during the + # blocks of the vectors of N=224 because we don't support it. + reading_key_data = True + for line in vector_data: + line = line.strip() + + if not line or line.startswith("#"): + continue + + sha_match = sha_regex.match(line) + if sha_match: + digest_algorithm = "SHA-{0}".format(sha_match.group("sha")) + + elif line.startswith("[mod = L=2048, N=224"): + reading_key_data = False + continue + elif line.startswith("[mod = L=2048, N=256, SHA-1"): + reading_key_data = True + continue + + if not reading_key_data or line.startswith("[mod"): + continue + + name, value = [c.strip() for c in line.split("=")] + + if name == "P": + vectors.append({'p': int(value, 16), + 'digest_algorithm': digest_algorithm}) + elif name == "Q": + vectors[-1]['q'] = int(value, 16) + elif name == "G": + vectors[-1]['g'] = int(value, 16) + elif name == "Msg" and 'msg' not in vectors[-1]: + hexmsg = value.strip().encode("ascii") + vectors[-1]['msg'] = binascii.unhexlify(hexmsg) + elif name == "Msg" and 'msg' in vectors[-1]: + hexmsg = value.strip().encode("ascii") + vectors.append({'p': vectors[-1]['p'], + 'q': vectors[-1]['q'], + 'g': vectors[-1]['g'], + 'digest_algorithm': + vectors[-1]['digest_algorithm'], + 'msg': binascii.unhexlify(hexmsg)}) + elif name == "X": + vectors[-1]['x'] = int(value, 16) + elif name == "Y": + vectors[-1]['y'] = int(value, 16) + elif name == "R": + vectors[-1]['r'] = int(value, 16) + elif name == "S": + vectors[-1]['s'] = int(value, 16) + elif name == "Result": + vectors[-1]['result'] = value.split("(")[0].strip() + + return vectors + + # http://tools.ietf.org/html/rfc4492#appendix-A _ECDSA_CURVE_NAMES = { "P-192": "secp192r1", -- cgit v1.2.3