def _public_key_from_secret(self, secret):
"""
Get a public key from a provided secret passphrase
:param secret: secret passphrase (bytes)
:return: public key (string)
"""
return self._compress_public_key(sha256(secret))
def _private_key_from_secret(self, secret):
"""
Get a private key from a provided secret passphrase
:param secret: secret passphrase (bytes)
:return: private key (string)
"""
return hexlify(sha256(secret))
def _get_hash(self, skip_signature=True, skip_second_signature=True):
"""
Computes the hash for the transaction
:param skip_signature: boolean
:param skip_second_signature: boolean
:return: hash (bytes)
"""
return sha256(self._to_bytes(skip_signature, skip_second_signature))
def test_signature_1(self):
signature = Signature("secret").sign(sha256(
"message".encode()))["signature"]
self.assertIsNotNone(signature)
self.assertIsNotNone(signature, str)
self.assertEqual(
signature,
"304402202f43daad19f64dd114d55c1488e4ecaee1ce79183008e21e663e24dc882c9b9d022023d0f4e9f63ac43404625b43dbd8df77a774b9e9f33e0d8ff569f6b6b5014e38"
)
def test_signature_2(self):
signature = Signature("secret just to make sure it works").sign(
sha256("message data".encode()))["signature"]
self.assertIsNotNone(signature)
self.assertIsNotNone(signature, str)
self.assertEqual(
signature,
"304402203aef6f3c4aaa0cb597b8e9b80248983641ae909a8700feea8609bdddb0db6bd40220364735b3fed0a4e0b19e78d7c36658bbd36db8658afce4e227f4aad78318407b"
)
def sign(self, secret, second_secret=False):
"""
Signs the transaction with signatures and an id
:param secret: secret passphrase (string or bytes)
:param second_secret: second secret passphrase (string or bytes)
"""
self._sign(secret)
if second_secret:
self._second_sign(second_secret)
self._id = hexlify(sha256(self._to_bytes(False, False)))
def test_verify_2(self):
public_key = Keys("secret just to make sure it works").get_public_key()
message = sha256("message data".encode())
signature = "304402203aef6f3c4aaa0cb597b8e9b80248983641ae909a8700feea8609bdddb0db6bd40220364735b3fed0a4e0b19e78d7c36658bbd36db8658afce4e227f4aad78318407b"
self.assertTrue(Signature.verify(public_key, message, signature))
def test_verify_1(self):
public_key = Keys("secret").get_public_key()
message = sha256("message".encode())
signature = "304402202f43daad19f64dd114d55c1488e4ecaee1ce79183008e21e663e24dc882c9b9d022023d0f4e9f63ac43404625b43dbd8df77a774b9e9f33e0d8ff569f6b6b5014e38"
self.assertTrue(Signature.verify(public_key, message, signature))