def test_2(self): """Test vector from 34.10-2012 standard itself """ curve = GOST3410Curve( p= 3623986102229003635907788753683874306021320925534678605086546150450856166624002482588482022271496854025090823603058735163734263822371964987228582907372403, q= 3623986102229003635907788753683874306021320925534678605086546150450856166623969164898305032863068499961404079437936585455865192212970734808812618120619743, a=7, b= 1518655069210828534508950034714043154928747527740206436194018823352809982443793732829756914785974674866041605397883677596626326413990136959047435811826396, x= 1928356944067022849399309401243137598997786635459507974357075491307766592685835441065557681003184874819658004903212332884252335830250729527632383493573274, y= 2288728693371972859970012155529478416353562327329506180314497425931102860301572814141997072271708807066593850650334152381857347798885864807605098724013854, ) prv = bytes2long( hexdec( "0BA6048AADAE241BA40936D47756D7C93091A0E8514669700EE7508E508B102072E8123B2200A0563322DAD2827E2714A2636B7BFD18AADFC62967821FA18DD4" )) digest = hexdec( "3754F3CFACC9E0615C4F4A7C4D8DAB531B09B6F9C170C533A71D147035B0C5917184EE536593F4414339976C647C5D5A407ADEDB1D560C4FC6777D2972075B8C" ) rand = hexdec( "0359E7F4B1410FEACC570456C6801496946312120B39D019D455986E364F365886748ED7A44B3E794434006011842286212273A6D14CF70EA3AF71BB1AE679F1" ) signature = sign(curve, prv, digest, rand, mode=2012) r = "2f86fa60a081091a23dd795e1e3c689ee512a3c82ee0dcc2643c78eea8fcacd35492558486b20f1c9ec197c90699850260c93bcbcd9c5c3317e19344e173ae36" s = "1081b394696ffe8e6585e7a9362d26b6325f56778aadbc081c0bfbe933d52ff5823ce288e8c4f362526080df7f70ce406a6eeb1f56919cb92a9853bde73e5b4a" self.assertSequenceEqual(hexenc(signature), s + r)
def test_sequence(self): c = GOST3410Curve(*CURVE_PARAMS["GostR3410_2001_TestParamSet"]) prv = bytes2long(urandom(32)) pubX, pubY = public_key(c, prv) for _ in range(20): digest = urandom(32) s = sign(c, prv, digest, mode=2001) self.assertTrue(verify(c, (pubX, pubY), digest, s, mode=2001))
def test_sequence(self): c = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"]) prv = bytes2long(urandom(64)) pubX, pubY = public_key(c, prv) for _ in range(20): digest = urandom(64) s = sign(c, prv, digest, mode=2012) self.assertTrue(verify(c, (pubX, pubY), digest, s, mode=2012)) self.assertNotIn(b"\x00" * 8, s)
def test_vector(self): curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"]) ukm = ukm_unmarshal(hexdec("1d80603c8544c727")) prvA = prv_unmarshal(hexdec("c990ecd972fce84ec4db022778f50fcac726f46708384b8d458304962d7147f8c2db41cef22c90b102f2968404f9b9be6d47c79692d81826b32b8daca43cb667")) pubA = pub_unmarshal(hexdec("aab0eda4abff21208d18799fb9a8556654ba783070eba10cb9abb253ec56dcf5d3ccba6192e464e6e5bcb6dea137792f2431f6c897eb1b3c0cc14327b1adc0a7914613a3074e363aedb204d38d3563971bd8758e878c9db11403721b48002d38461f92472d40ea92f9958c0ffa4c93756401b97f89fdbe0b5e46e4a4631cdb5a"), mode=2012) prvB = prv_unmarshal(hexdec("48c859f7b6f11585887cc05ec6ef1390cfea739b1a18c0d4662293ef63b79e3b8014070b44918590b4b996acfea4edfbbbcccc8c06edd8bf5bda92a51392d0db")) pubB = pub_unmarshal(hexdec("192fe183b9713a077253c72c8735de2ea42a3dbc66ea317838b65fa32523cd5efca974eda7c863f4954d1147f1f2b25c395fce1c129175e876d132e94ed5a65104883b414c9b592ec4dc84826f07d0b6d9006dda176ce48c391e3f97d102e03bb598bf132a228a45f7201aba08fc524a2d77e43a362ab022ad4028f75bde3b79"), mode=2012) vko = hexdec("79f002a96940ce7bde3259a52e015297adaad84597a0d205b50e3e1719f97bfa7ee1d2661fa9979a5aa235b558a7e6d9f88f982dd63fc35a8ec0dd5e242d3bdf") self.assertEqual(kek_34102012512(curve, prvA, pubB, ukm), vko) self.assertEqual(kek_34102012512(curve, prvB, pubA, ukm), vko)
def test_vector(self): curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2001_TestParamSet"]) ukm = ukm_unmarshal(hexdec("5172be25f852a233")) prv1 = prv_unmarshal(hexdec("1df129e43dab345b68f6a852f4162dc69f36b2f84717d08755cc5c44150bf928")) prv2 = prv_unmarshal(hexdec("5b9356c6474f913f1e83885ea0edd5df1a43fd9d799d219093241157ac9ed473")) kek = hexdec("ee4618a0dbb10cb31777b4b86a53d9e7ef6cb3e400101410f0c0f2af46c494a6") pub1 = public_key(curve, prv1) pub2 = public_key(curve, prv2) self.assertEqual(kek_34102001(curve, prv1, pub2, ukm), kek) self.assertEqual(kek_34102001(curve, prv2, pub1, ukm), kek)
def test_sequence(self): curve = GOST3410Curve(*CURVE_PARAMS["GostR3410_2012_TC26_ParamSetA"]) for _ in range(10): ukm = ukm_unmarshal(urandom(8)) prv1 = bytes2long(urandom(32)) prv2 = bytes2long(urandom(32)) pub1 = public_key(curve, prv1) pub2 = public_key(curve, prv2) kek1 = kek_34102012256(curve, prv1, pub2, ukm) kek2 = kek_34102012256(curve, prv2, pub1, ukm) self.assertEqual(kek1, kek2) kek1 = kek_34102012256(curve, prv1, pub1, ukm) kek2 = kek_34102012256(curve, prv2, pub2, ukm) self.assertNotEqual(kek1, kek2)
def sign(private_key, data): """ Sign data :param private_key: private key to sign with :type private_key: bytes, 32 bytes :param bytes data: arbitrary data :return: signature :rtype: bytes, 64 bytes """ curve = GOST3410Curve(*CURVE_PARAMS[DEFAULT_CURVE]) return _sign( curve, bytes2long(private_key[::-1]), GOST341194(data, GOST341194_SBOX).digest(), )
def keypair_gen(seed): """ Generate keypair :param seed: random data used as an entropy source :type seed: bytes, 32 bytes :return: private and public keys :rtype: (bytes, bytes), 32 and 64 bytes """ if len(seed) != 32: raise ValueError("Invalid seed size") curve = GOST3410Curve(*CURVE_PARAMS[DEFAULT_CURVE]) private_key = seed public_key_x, public_key_y = _public_key(curve, bytes2long(private_key)) public_key = (long2bytes(public_key_y) + long2bytes(public_key_x))[::-1] return private_key[::-1], public_key
def test_rfc(self): """ Test vector from :rfc:`5832` """ prv = bytes(bytearray(( 0x7A, 0x92, 0x9A, 0xDE, 0x78, 0x9B, 0xB9, 0xBE, 0x10, 0xED, 0x35, 0x9D, 0xD3, 0x9A, 0x72, 0xC1, 0x1B, 0x60, 0x96, 0x1F, 0x49, 0x39, 0x7E, 0xEE, 0x1D, 0x19, 0xCE, 0x98, 0x91, 0xEC, 0x3B, 0x28 ))) pub_x = bytes(bytearray(( 0x7F, 0x2B, 0x49, 0xE2, 0x70, 0xDB, 0x6D, 0x90, 0xD8, 0x59, 0x5B, 0xEC, 0x45, 0x8B, 0x50, 0xC5, 0x85, 0x85, 0xBA, 0x1D, 0x4E, 0x9B, 0x78, 0x8F, 0x66, 0x89, 0xDB, 0xD8, 0xE5, 0x6F, 0xD8, 0x0B ))) pub_y = bytes(bytearray(( 0x26, 0xF1, 0xB4, 0x89, 0xD6, 0x70, 0x1D, 0xD1, 0x85, 0xC8, 0x41, 0x3A, 0x97, 0x7B, 0x3C, 0xBB, 0xAF, 0x64, 0xD1, 0xC5, 0x93, 0xD2, 0x66, 0x27, 0xDF, 0xFB, 0x10, 0x1A, 0x87, 0xFF, 0x77, 0xDA ))) digest = bytes(bytearray(( 0x2D, 0xFB, 0xC1, 0xB3, 0x72, 0xD8, 0x9A, 0x11, 0x88, 0xC0, 0x9C, 0x52, 0xE0, 0xEE, 0xC6, 0x1F, 0xCE, 0x52, 0x03, 0x2A, 0xB1, 0x02, 0x2E, 0x8E, 0x67, 0xEC, 0xE6, 0x67, 0x2B, 0x04, 0x3E, 0xE5 ))) signature = bytes(bytearray(( 0x41, 0xAA, 0x28, 0xD2, 0xF1, 0xAB, 0x14, 0x82, 0x80, 0xCD, 0x9E, 0xD5, 0x6F, 0xED, 0xA4, 0x19, 0x74, 0x05, 0x35, 0x54, 0xA4, 0x27, 0x67, 0xB8, 0x3A, 0xD0, 0x43, 0xFD, 0x39, 0xDC, 0x04, 0x93, 0x01, 0x45, 0x6C, 0x64, 0xBA, 0x46, 0x42, 0xA1, 0x65, 0x3C, 0x23, 0x5A, 0x98, 0xA6, 0x02, 0x49, 0xBC, 0xD6, 0xD3, 0xF7, 0x46, 0xB6, 0x31, 0xDF, 0x92, 0x80, 0x14, 0xF6, 0xC5, 0xBF, 0x9C, 0x40 ))) prv = bytes2long(prv) signature = signature[32:] + signature[:32] c = GOST3410Curve(*CURVE_PARAMS["GostR3410_2001_TestParamSet"]) pubX, pubY = public_key(c, prv) self.assertEqual(long2bytes(pubX), pub_x) self.assertEqual(long2bytes(pubY), pub_y) s = sign(c, prv, digest) self.assertTrue(verify(c, (pubX, pubY), digest, s)) self.assertTrue(verify(c, (pubX, pubY), digest, signature))
def verify(public_key, data, signature): """ Verify signature :param public_key: public key to verify with :type public_key: bytes, 64 bytes :param bytes data: arbitrary data :type signature: bytes, 64 bytes :rtype: bool """ curve = GOST3410Curve(*CURVE_PARAMS[DEFAULT_CURVE]) public_key = public_key[::-1] return _verify( curve, bytes2long(public_key[32:]), bytes2long(public_key[:32]), GOST341194(data, GOST341194_SBOX).digest(), signature, )
def process_cert(self, curve_name, mode, hasher, prv_key_raw, cert_raw): cert, tail = Certificate().decode(cert_raw) self.assertSequenceEqual(tail, b"") curve = GOST3410Curve(*CURVE_PARAMS[curve_name]) prv_key = prv_unmarshal(prv_key_raw) pub_key_raw, tail = OctetString().decode( bytes(cert["tbsCertificate"]["subjectPublicKeyInfo"] ["subjectPublicKey"])) pub_key = pub_unmarshal(bytes(pub_key_raw), mode=mode) self.assertSequenceEqual(tail, b"") self.assertSequenceEqual(pub_key, public_key(curve, prv_key)) self.assertTrue( verify( curve, pub_key, hasher(cert["tbsCertificate"].encode()).digest()[::-1], bytes(cert["signatureValue"]), mode=mode, ))
def process_cms( self, content_info_raw, prv_key_our, curve_name, keker, plaintext_expected, ): sbox = "Gost28147_tc26_ParamZ" content_info, tail = ContentInfo().decode(content_info_raw) self.assertSequenceEqual(tail, b"") enveloped_data, tail = EnvelopedData().decode( bytes(content_info["content"])) self.assertSequenceEqual(tail, b"") eci = enveloped_data["encryptedContentInfo"] ri = enveloped_data["recipientInfos"][0] encrypted_key, tail = GostR3410KeyTransport().decode( bytes(ri["ktri"]["encryptedKey"])) self.assertSequenceEqual(tail, b"") ukm = bytes(encrypted_key["transportParameters"]["ukm"]) spk = bytes(encrypted_key["transportParameters"]["ephemeralPublicKey"] ["subjectPublicKey"]) pub_key_their, tail = OctetString().decode(spk) self.assertSequenceEqual(tail, b"") curve = GOST3410Curve(*CURVE_PARAMS[curve_name]) kek = keker(curve, prv_key_our, bytes(pub_key_their), ukm) key_wrapped = bytes( encrypted_key["sessionEncryptedKey"]["encryptedKey"]) mac = bytes(encrypted_key["sessionEncryptedKey"]["macKey"]) cek = unwrap_cryptopro(kek, ukm + key_wrapped + mac, sbox=sbox) ciphertext = bytes(eci["encryptedContent"]) encryption_params, tail = Gost2814789Parameters().decode( bytes(eci["contentEncryptionAlgorithm"]["parameters"])) self.assertSequenceEqual(tail, b"") iv = bytes(encryption_params["iv"]) self.assertSequenceEqual( cfb_decrypt(cek, ciphertext, iv, sbox=sbox, mesh=True), plaintext_expected, )
def process_cms( self, content_info_raw, prv_key_our, curve_name, keker, plaintext_expected, ): sbox = "Gost28147_tc26_ParamZ" content_info, tail = ContentInfo().decode(content_info_raw) self.assertSequenceEqual(tail, b"") enveloped_data, tail = EnvelopedData().decode( bytes(content_info["content"])) self.assertSequenceEqual(tail, b"") eci = enveloped_data["encryptedContentInfo"] kari = enveloped_data["recipientInfos"][0]["kari"] pub_key_their, tail = OctetString().decode( bytes(kari["originator"]["originatorKey"]["publicKey"]), ) self.assertSequenceEqual(tail, b"") ukm = bytes(kari["ukm"]) rek = kari["recipientEncryptedKeys"][0] curve = GOST3410Curve(*CURVE_PARAMS[curve_name]) kek = keker(curve, prv_key_our, bytes(pub_key_their), ukm) encrypted_key, tail = Gost2814789EncryptedKey().decode( bytes(rek["encryptedKey"]), ) self.assertSequenceEqual(tail, b"") key_wrapped = bytes(encrypted_key["encryptedKey"]) mac = bytes(encrypted_key["macKey"]) cek = unwrap_gost(kek, ukm + key_wrapped + mac, sbox=sbox) ciphertext = bytes(eci["encryptedContent"]) encryption_params, tail = Gost2814789Parameters().decode( bytes(eci["contentEncryptionAlgorithm"]["parameters"])) self.assertSequenceEqual(tail, b"") iv = bytes(encryption_params["iv"]) self.assertSequenceEqual( cfb_decrypt(cek, ciphertext, iv, sbox=sbox, mesh=True), plaintext_expected, )
def process_cms( self, content_info_raw, prv_key_raw, curve_name, hasher, mode, ): content_info, tail = ContentInfo().decode(content_info_raw) self.assertSequenceEqual(tail, b"") signed_data, tail = SignedData().decode(bytes(content_info["content"])) self.assertSequenceEqual(tail, b"") self.assertEqual(len(signed_data["signerInfos"]), 1) curve = GOST3410Curve(*CURVE_PARAMS[curve_name]) self.assertTrue( verify( curve, public_key(curve, prv_unmarshal(prv_key_raw)), hasher(bytes(signed_data["encapContentInfo"] ["eContent"])).digest()[::-1], bytes(signed_data["signerInfos"][0]["signature"]), mode=mode, ))
def test_gcl3(self): """ Test vector from libgcl3 """ p = bytes2long( bytes( bytearray(( 0x45, 0x31, 0xAC, 0xD1, 0xFE, 0x00, 0x23, 0xC7, 0x55, 0x0D, 0x26, 0x7B, 0x6B, 0x2F, 0xEE, 0x80, 0x92, 0x2B, 0x14, 0xB2, 0xFF, 0xB9, 0x0F, 0x04, 0xD4, 0xEB, 0x7C, 0x09, 0xB5, 0xD2, 0xD1, 0x5D, 0xF1, 0xD8, 0x52, 0x74, 0x1A, 0xF4, 0x70, 0x4A, 0x04, 0x58, 0x04, 0x7E, 0x80, 0xE4, 0x54, 0x6D, 0x35, 0xB8, 0x33, 0x6F, 0xAC, 0x22, 0x4D, 0xD8, 0x16, 0x64, 0xBB, 0xF5, 0x28, 0xBE, 0x63, 0x73, )))) q = bytes2long( bytes( bytearray(( 0x45, 0x31, 0xAC, 0xD1, 0xFE, 0x00, 0x23, 0xC7, 0x55, 0x0D, 0x26, 0x7B, 0x6B, 0x2F, 0xEE, 0x80, 0x92, 0x2B, 0x14, 0xB2, 0xFF, 0xB9, 0x0F, 0x04, 0xD4, 0xEB, 0x7C, 0x09, 0xB5, 0xD2, 0xD1, 0x5D, 0xA8, 0x2F, 0x2D, 0x7E, 0xCB, 0x1D, 0xBA, 0xC7, 0x19, 0x90, 0x5C, 0x5E, 0xEC, 0xC4, 0x23, 0xF1, 0xD8, 0x6E, 0x25, 0xED, 0xBE, 0x23, 0xC5, 0x95, 0xD6, 0x44, 0xAA, 0xF1, 0x87, 0xE6, 0xE6, 0xDF, )))) a = bytes2long( bytes( bytearray(( 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, )))) b = bytes2long( bytes( bytearray(( 0x1C, 0xFF, 0x08, 0x06, 0xA3, 0x11, 0x16, 0xDA, 0x29, 0xD8, 0xCF, 0xA5, 0x4E, 0x57, 0xEB, 0x74, 0x8B, 0xC5, 0xF3, 0x77, 0xE4, 0x94, 0x00, 0xFD, 0xD7, 0x88, 0xB6, 0x49, 0xEC, 0xA1, 0xAC, 0x43, 0x61, 0x83, 0x40, 0x13, 0xB2, 0xAD, 0x73, 0x22, 0x48, 0x0A, 0x89, 0xCA, 0x58, 0xE0, 0xCF, 0x74, 0xBC, 0x9E, 0x54, 0x0C, 0x2A, 0xDD, 0x68, 0x97, 0xFA, 0xD0, 0xA3, 0x08, 0x4F, 0x30, 0x2A, 0xDC, )))) x = bytes2long( bytes( bytearray(( 0x24, 0xD1, 0x9C, 0xC6, 0x45, 0x72, 0xEE, 0x30, 0xF3, 0x96, 0xBF, 0x6E, 0xBB, 0xFD, 0x7A, 0x6C, 0x52, 0x13, 0xB3, 0xB3, 0xD7, 0x05, 0x7C, 0xC8, 0x25, 0xF9, 0x10, 0x93, 0xA6, 0x8C, 0xD7, 0x62, 0xFD, 0x60, 0x61, 0x12, 0x62, 0xCD, 0x83, 0x8D, 0xC6, 0xB6, 0x0A, 0xA7, 0xEE, 0xE8, 0x04, 0xE2, 0x8B, 0xC8, 0x49, 0x97, 0x7F, 0xAC, 0x33, 0xB4, 0xB5, 0x30, 0xF1, 0xB1, 0x20, 0x24, 0x8A, 0x9A, )))) y = bytes2long( bytes( bytearray(( 0x2B, 0xB3, 0x12, 0xA4, 0x3B, 0xD2, 0xCE, 0x6E, 0x0D, 0x02, 0x06, 0x13, 0xC8, 0x57, 0xAC, 0xDD, 0xCF, 0xBF, 0x06, 0x1E, 0x91, 0xE5, 0xF2, 0xC3, 0xF3, 0x24, 0x47, 0xC2, 0x59, 0xF3, 0x9B, 0x2C, 0x83, 0xAB, 0x15, 0x6D, 0x77, 0xF1, 0x49, 0x6B, 0xF7, 0xEB, 0x33, 0x51, 0xE1, 0xEE, 0x4E, 0x43, 0xDC, 0x1A, 0x18, 0xB9, 0x1B, 0x24, 0x64, 0x0B, 0x6D, 0xBB, 0x92, 0xCB, 0x1A, 0xDD, 0x37, 0x1E, )))) prv = bytes( bytearray(( 0x0B, 0xA6, 0x04, 0x8A, 0xAD, 0xAE, 0x24, 0x1B, 0xA4, 0x09, 0x36, 0xD4, 0x77, 0x56, 0xD7, 0xC9, 0x30, 0x91, 0xA0, 0xE8, 0x51, 0x46, 0x69, 0x70, 0x0E, 0xE7, 0x50, 0x8E, 0x50, 0x8B, 0x10, 0x20, 0x72, 0xE8, 0x12, 0x3B, 0x22, 0x00, 0xA0, 0x56, 0x33, 0x22, 0xDA, 0xD2, 0x82, 0x7E, 0x27, 0x14, 0xA2, 0x63, 0x6B, 0x7B, 0xFD, 0x18, 0xAA, 0xDF, 0xC6, 0x29, 0x67, 0x82, 0x1F, 0xA1, 0x8D, 0xD4, ))) pub_x = bytes( bytearray(( 0x11, 0x5D, 0xC5, 0xBC, 0x96, 0x76, 0x0C, 0x7B, 0x48, 0x59, 0x8D, 0x8A, 0xB9, 0xE7, 0x40, 0xD4, 0xC4, 0xA8, 0x5A, 0x65, 0xBE, 0x33, 0xC1, 0x81, 0x5B, 0x5C, 0x32, 0x0C, 0x85, 0x46, 0x21, 0xDD, 0x5A, 0x51, 0x58, 0x56, 0xD1, 0x33, 0x14, 0xAF, 0x69, 0xBC, 0x5B, 0x92, 0x4C, 0x8B, 0x4D, 0xDF, 0xF7, 0x5C, 0x45, 0x41, 0x5C, 0x1D, 0x9D, 0xD9, 0xDD, 0x33, 0x61, 0x2C, 0xD5, 0x30, 0xEF, 0xE1, ))) pub_y = bytes( bytearray(( 0x37, 0xC7, 0xC9, 0x0C, 0xD4, 0x0B, 0x0F, 0x56, 0x21, 0xDC, 0x3A, 0xC1, 0xB7, 0x51, 0xCF, 0xA0, 0xE2, 0x63, 0x4F, 0xA0, 0x50, 0x3B, 0x3D, 0x52, 0x63, 0x9F, 0x5D, 0x7F, 0xB7, 0x2A, 0xFD, 0x61, 0xEA, 0x19, 0x94, 0x41, 0xD9, 0x43, 0xFF, 0xE7, 0xF0, 0xC7, 0x0A, 0x27, 0x59, 0xA3, 0xCD, 0xB8, 0x4C, 0x11, 0x4E, 0x1F, 0x93, 0x39, 0xFD, 0xF2, 0x7F, 0x35, 0xEC, 0xA9, 0x36, 0x77, 0xBE, 0xEC, ))) digest = bytes( bytearray(( 0x37, 0x54, 0xF3, 0xCF, 0xAC, 0xC9, 0xE0, 0x61, 0x5C, 0x4F, 0x4A, 0x7C, 0x4D, 0x8D, 0xAB, 0x53, 0x1B, 0x09, 0xB6, 0xF9, 0xC1, 0x70, 0xC5, 0x33, 0xA7, 0x1D, 0x14, 0x70, 0x35, 0xB0, 0xC5, 0x91, 0x71, 0x84, 0xEE, 0x53, 0x65, 0x93, 0xF4, 0x41, 0x43, 0x39, 0x97, 0x6C, 0x64, 0x7C, 0x5D, 0x5A, 0x40, 0x7A, 0xDE, 0xDB, 0x1D, 0x56, 0x0C, 0x4F, 0xC6, 0x77, 0x7D, 0x29, 0x72, 0x07, 0x5B, 0x8C, ))) signature = bytes( bytearray(( 0x2F, 0x86, 0xFA, 0x60, 0xA0, 0x81, 0x09, 0x1A, 0x23, 0xDD, 0x79, 0x5E, 0x1E, 0x3C, 0x68, 0x9E, 0xE5, 0x12, 0xA3, 0xC8, 0x2E, 0xE0, 0xDC, 0xC2, 0x64, 0x3C, 0x78, 0xEE, 0xA8, 0xFC, 0xAC, 0xD3, 0x54, 0x92, 0x55, 0x84, 0x86, 0xB2, 0x0F, 0x1C, 0x9E, 0xC1, 0x97, 0xC9, 0x06, 0x99, 0x85, 0x02, 0x60, 0xC9, 0x3B, 0xCB, 0xCD, 0x9C, 0x5C, 0x33, 0x17, 0xE1, 0x93, 0x44, 0xE1, 0x73, 0xAE, 0x36, 0x10, 0x81, 0xB3, 0x94, 0x69, 0x6F, 0xFE, 0x8E, 0x65, 0x85, 0xE7, 0xA9, 0x36, 0x2D, 0x26, 0xB6, 0x32, 0x5F, 0x56, 0x77, 0x8A, 0xAD, 0xBC, 0x08, 0x1C, 0x0B, 0xFB, 0xE9, 0x33, 0xD5, 0x2F, 0xF5, 0x82, 0x3C, 0xE2, 0x88, 0xE8, 0xC4, 0xF3, 0x62, 0x52, 0x60, 0x80, 0xDF, 0x7F, 0x70, 0xCE, 0x40, 0x6A, 0x6E, 0xEB, 0x1F, 0x56, 0x91, 0x9C, 0xB9, 0x2A, 0x98, 0x53, 0xBD, 0xE7, 0x3E, 0x5B, 0x4A, ))) prv = bytes2long(prv) signature = signature[64:] + signature[:64] c = GOST3410Curve(p, q, a, b, x, y) pubX, pubY = public_key(c, prv) self.assertSequenceEqual(long2bytes(pubX), pub_x) self.assertSequenceEqual(long2bytes(pubY), pub_y) s = sign(c, prv, digest, mode=2012) self.assertTrue(verify(c, (pubX, pubY), digest, s, mode=2012)) self.assertTrue(verify(c, (pubX, pubY), digest, signature, mode=2012))
import base64 from binascii import hexlify, unhexlify from pygost.gost3410 import CURVE_PARAMS from pygost.gost3410 import GOST3410Curve from pygost.gost3410 import bytes2long curve = GOST3410Curve(*CURVE_PARAMS['GostR3410_2012_TC26_ParamSetA']) from os import urandom # prv_raw = urandom(32) from pygost.gost3410 import prv_unmarshal # prv = prv_unmarshal(prv_raw) from pygost.gost3410 import public_key # pub = public_key(curve, prv) from pygost.gost3410 import pub_marshal from pygost.utils import hexenc from pygost.utils import hexdec # print('Public key is:', hexenc(pub_marshal(pub))) from pygost import gost34112012256 # data_for_signing = b'some data' # dgst = gost34112012256.new(data_for_signing).digest() from pygost.gost3410 import sign # signature = sign(curve, prv, dgst, mode=2012) from pygost.gost3410 import verify # verify(curve, pub, dgst, signature, mode=2012) name = 'gost' bit = '256' class sk_: def __init__(self, prv, pub=0000): self.prv = prv