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]
