def generate_rsa_sha1_signature(base_string,
client_private_key,
*args, **kwargs):
"""
Calculates an RSA-SHA1 OAuth signature.
:see: RSA-SHA1 (http://tools.ietf.org/html/rfc5849#section-3.4.3)
:param base_string:
Base string.
:param client_private_key:
PEM-encoded RSA private key.
:returns:
RSA-SHA1 signature.
"""
from mom.security.rsa import parse_private_key
key = parse_private_key(client_private_key)
return base64_encode(key.pkcs1_v1_5_sign(sha1_digest(base_string)))
def verify_rsa_sha1_signature(signature,
base_string,
client_certificate,
*args, **kwargs):
"""
Verifies a RSA-SHA1 OAuth signature.
:see: RSA-SHA1 (http://tools.ietf.org/html/rfc5849#section-3.4.3)
:param base_string:
Base string.
:param signature:
RSA-SHA1 OAuth signature.
:param client_certificate:
PEM-encoded X.509 certificate or RSA public key.
:returns:
``True`` if verified to be correct; ``False`` otherwise.
"""
from mom.security.rsa import parse_public_key
key = parse_public_key(client_certificate)
return key.pkcs1_v1_5_verify(sha1_digest(base_string),
base64_decode(signature))
def test_value(self): self.assertEqual(sha1_digest(*inputs), input_sha1_digest)
def test_value(self):
self.assertEqual(hash.sha1_digest(*INPUTS), INPUT_SHA1_DIGEST)
