def test_pbkdf2_hmac_sha512(self): P = b'password' S = b'salt' dk = pbkdf2('hmac-sha512', P, S, 1).key() self.assertEqual( dk, unhexlify( '867f70cf1ade02cff3752599a3a53dc4af34c7a669815ae5d513554e1c8cf252c02d470a285a0501bad999bfe943c08f050235d7d68b1da55e63f73b60a57fce' )) dk = pbkdf2('hmac-sha512', P, S, 2).key() self.assertEqual( dk, unhexlify( 'e1d9c16aa681708a45f5c7c4e215ceb66e011a2e9f0040713f18aefdb866d53cf76cab2868a39b9f7840edce4fef5a82be67335c77a6068e04112754f27ccf4e' )) dk = pbkdf2('hmac-sha512', P, S, 4096).key() self.assertEqual( dk, unhexlify( 'd197b1b33db0143e018b12f3d1d1479e6cdebdcc97c5c0f87f6902e072f457b5143f30602641b3d55cd335988cb36b84376060ecd532e039b742a239434af2d5' )) P = b'passwordPASSWORDpassword' S = b'saltSALTsaltSALTsaltSALTsaltSALTsalt' dk = pbkdf2('hmac-sha512', P, S, 4096).key() self.assertEqual( dk, unhexlify( '8c0511f4c6e597c6ac6315d8f0362e225f3c501495ba23b868c005174dc4ee71115b59f9e60cd9532fa33e0f75aefe30225c583a186cd82bd4daea9724a3d3b8' ))
def test_pbkdf2_hmac_sha256(self): P = b'password' S = b'salt' dk = pbkdf2('hmac-sha256', P, S, 1).key() self.assertEqual( dk, unhexlify( '120fb6cffcf8b32c43e7225256c4f837a86548c92ccc35480805987cb70be17b' )) dk = pbkdf2('hmac-sha256', P, S, 2).key() self.assertEqual( dk, unhexlify( 'ae4d0c95af6b46d32d0adff928f06dd02a303f8ef3c251dfd6e2d85a95474c43' )) dk = pbkdf2('hmac-sha256', P, S, 4096).key() self.assertEqual( dk, unhexlify( 'c5e478d59288c841aa530db6845c4c8d962893a001ce4e11a4963873aa98134a' )) P = b'passwordPASSWORDpassword' S = b'saltSALTsaltSALTsaltSALTsaltSALTsalt' dk = pbkdf2('hmac-sha256', P, S, 4096).key() self.assertEqual( dk, unhexlify( '348c89dbcbd32b2f32d814b8116e84cf2b17347ebc1800181c4e2a1fb8dd53e1' ))
def test_key_multi(self): P = b'password' S = b'salt' p = pbkdf2('hmac-sha256', P, S, 16) k0 = p.key() k1 = p.key() k2 = p.key() self.assertEqual(k0, k1) self.assertEqual(k0, k2) p = pbkdf2('hmac-sha512', P, S, 16) k0 = p.key() k1 = p.key() k2 = p.key() self.assertEqual(k0, k1) self.assertEqual(k0, k2)
def test_key_multi(self): P = b'password' S = b'salt' p = pbkdf2(pbkdf2.HMAC_SHA256, P, S, 16) k0 = p.key() k1 = p.key() k2 = p.key() self.assertEqual(k0, k1) self.assertEqual(k0, k2) p = pbkdf2(pbkdf2.HMAC_SHA512, P, S, 16) k0 = p.key() k1 = p.key() k2 = p.key() self.assertEqual(k0, k1) self.assertEqual(k0, k2)
def _round_function(i, passphrase, e, salt, r): """The round function used internally by the Feistel cipher.""" return pbkdf2( pbkdf2.HMAC_SHA256, bytes([i]) + passphrase, salt + r, (_BASE_ITERATION_COUNT << e) // _ROUND_COUNT, ).key()[: len(r)]
def test_pbkdf2_hmac_sha256_update(self): P = b'password' S = b'salt' p = pbkdf2(pbkdf2.HMAC_SHA256, P, S) p.update(1) dk = p.key() self.assertEqual( dk, unhexlify( '120fb6cffcf8b32c43e7225256c4f837a86548c92ccc35480805987cb70be17b' )) p = pbkdf2(pbkdf2.HMAC_SHA256, P, S) p.update(1) p.update(1) dk = p.key() self.assertEqual( dk, unhexlify( 'ae4d0c95af6b46d32d0adff928f06dd02a303f8ef3c251dfd6e2d85a95474c43' )) p = pbkdf2(pbkdf2.HMAC_SHA256, P, S) for i in range(32): p.update(128) dk = p.key() self.assertEqual( dk, unhexlify( 'c5e478d59288c841aa530db6845c4c8d962893a001ce4e11a4963873aa98134a' )) P = b'passwordPASSWORDpassword' S = b'saltSALTsaltSALTsaltSALTsaltSALTsalt' p = pbkdf2(pbkdf2.HMAC_SHA256, P, S) for i in range(64): p.update(64) dk = p.key() self.assertEqual( dk, unhexlify( '348c89dbcbd32b2f32d814b8116e84cf2b17347ebc1800181c4e2a1fb8dd53e1' ))
def _derive_hd_passphrase(node) -> bytes: iterations = const(500) length = const(32) passwd = seed.remove_ed25519_prefix(node.public_key()) + node.chain_code() x = pbkdf2("hmac-sha512", passwd, b"address-hashing", iterations) return x.key()[:length]