def new_key((e, n, d)):
"""Create a RSA object from the given parameters."""
rsa = m2.rsa_new()
m2.rsa_set_e(rsa, e)
m2.rsa_set_n(rsa, n)
m2.rsa_set_d(rsa, d)
return RSA.RSA(rsa, 1)
def new_key((e, n, d)):
"""Create a RSA object from the given parameters."""
rsa = m2.rsa_new()
m2.rsa_set_e(rsa, e)
m2.rsa_set_n(rsa, n)
m2.rsa_set_d(rsa, d)
return RSA.RSA(rsa, 1)
def test_set_e(self):
rsa = m2.rsa_new()
m2.rsa_set_e(rsa, b'\000\000\000\003\001\000\001')
n = m2.rsa_get_n(rsa)
e = m2.rsa_get_e(rsa)
self.assertEqual(e, b'\000\000\000\003\001\000\001')
self.assertEqual(n, b'\x00\x00\x00\x00')
def test_set_n_then_set_e(self):
rsa = m2.rsa_new()
m2.rsa_set_n(rsa, b'\000\000\000\004\020\011\006\006')
m2.rsa_set_e(rsa, b'\000\000\000\003\001\000\001')
n = m2.rsa_get_n(rsa)
e = m2.rsa_get_e(rsa)
self.assertEqual(e, b'\000\000\000\003\001\000\001')
self.assertEqual(n, b'\000\000\000\004\020\011\006\006')
def __init__(self, n, e):
self.rsa = None
self.n = n
self.e = e
self.rsa = m2.rsa_new()
m2.rsa_set_n(self.rsa, num_to_mpi(self.n))
m2.rsa_set_e(self.rsa, num_to_mpi(self.e))
self.n_bytes = len(num_to_bytes(self.n))
def new_pub_key(e_n):
# type: (Tuple[bytes, bytes]) -> RSA_pub
"""
Instantiate an RSA_pub object from an (e, n) tuple.
@param e: The RSA public exponent; it is a string in OpenSSL's MPINT
format - 4-byte big-endian bit-count followed by the appropriate
number of bits.
@param n: The RSA composite of primes; it is a string in OpenSSL's MPINT
format - 4-byte big-endian bit-count followed by the appropriate
number of bits.
@return: M2Crypto.RSA.RSA_pub object.
"""
(e, n) = e_n
rsa = m2.rsa_new()
m2.rsa_set_e(rsa, e)
m2.rsa_set_n(rsa, n)
return RSA_pub(rsa, 1)
def new_pub_key(e_n):
"""
Instantiate an RSA_pub object from an (e, n) tuple.
@type e: string
@param e: The RSA public exponent; it is a string in OpenSSL's MPINT
format - 4-byte big-endian bit-count followed by the appropriate
number of bits.
@type n: string
@param n: The RSA composite of primes; it is a string in OpenSSL's MPINT
format - 4-byte big-endian bit-count followed by the appropriate
number of bits.
@rtype: M2Crypto.RSA.RSA_pub
@return: M2Crypto.RSA.RSA_pub object.
"""
(e, n) = e_n
rsa = m2.rsa_new()
m2.rsa_set_e(rsa, e)
m2.rsa_set_n(rsa, n)
return RSA_pub(rsa, 1)
def rsa_new_pub_key(couple):
(e,n)=couple
rsa = m2.rsa_new()
m2.rsa_set_e(rsa, e)
m2.rsa_set_n(rsa, n)
return RSA_pub_fix(rsa, 1)
def test_set_bn(self):
rsa = RSA.load_pub_key(self.pubkey)
assert m2.rsa_set_e(rsa.rsa, '\000\000\000\003\001\000\001') is None
self.assertRaises(RSA.RSAError, m2.rsa_set_e, rsa.rsa, '\000\000\000\003\001')
def test_set_bn(self):
rsa = RSA.load_pub_key(self.pubkey)
assert m2.rsa_set_e(rsa.rsa, '\000\000\000\003\001\000\001') is None
self.assertRaises(RSA.RSAError, m2.rsa_set_e, rsa.rsa,
'\000\000\000\003\001')
def test_set_bn(self):
rsa = RSA.load_pub_key(self.pubkey)
self.assertIsNone(m2.rsa_set_e(rsa.rsa,
'\000\000\000\003\001\000\001'))
with self.assertRaises(RSA.RSAError):
m2.rsa_set_e(rsa.rsa, '\000\000\000\003\001')
def rsa_new_pub_key(couple):
(e, n) = couple
rsa = m2.rsa_new()
m2.rsa_set_e(rsa, e)
m2.rsa_set_n(rsa, n)
return RSA_pub_fix(rsa, 1)
def test_set_bn(self):
rsa = RSA.load_pub_key(self.pubkey)
self.assertIsNone(
m2.rsa_set_e(rsa.rsa, b'\000\000\000\003\001\000\001'))
with self.assertRaises(RSA.RSAError):
m2.rsa_set_e(rsa.rsa, b'\000\000\000\003\001')
