def base64_to_long(encoded):
"""
Base-64 decodes a string into a long.
:param encoded:
The encoded byte string.
:returns:
Long value.
"""
byte_string = base64_decode(encoded)
return bytes_to_long(byte_string)
def bytes_to_decimal(byte_string):
"""
Converts a byte string to its decimal representation.
:param byte_string:
Byte string.
:returns:
Decimal-encoded byte string.
"""
#return bytes(int(bytes_to_hex(byte_string), 16))
return bytes(bytes_to_long(byte_string))
def verify(self, digest, signature_bytes):
"""
Verifies a signature against that computed by signing the provided
data.
:param digest:
The SHA-1 digest of the data.
:param signature_bytes:
The signature raw byte string.
:param encoder:
The encoding method to use. Default EMSA-PKCS1-v1.5
:returns:
``True`` if the signature matches; ``False`` otherwise.
"""
return self._verify(digest, bytes_to_long(signature_bytes))
