def _check_encryption(self, rsaObj):
plaintext = a2b_hex(self.plaintext)
ciphertext = a2b_hex(self.ciphertext)
# Test encryption (2 arguments)
(new_ciphertext2, ) = rsaObj.encrypt(plaintext, "")
self.assertEqual(b2a_hex(ciphertext), b2a_hex(new_ciphertext2))
# Test encryption (1 argument)
if not self.legacy_interface_only:
(new_ciphertext1, ) = rsaObj.encrypt(plaintext)
self.assertEqual(b2a_hex(ciphertext), b2a_hex(new_ciphertext1))
def _check_encryption(self, rsaObj):
plaintext = a2b_hex(self.plaintext)
ciphertext = a2b_hex(self.ciphertext)
# Test encryption (2 arguments)
(new_ciphertext2,) = rsaObj.encrypt(plaintext, "")
self.assertEqual(b2a_hex(ciphertext), b2a_hex(new_ciphertext2))
# Test encryption (1 argument)
if not self.legacy_interface_only:
(new_ciphertext1,) = rsaObj.encrypt(plaintext)
self.assertEqual(b2a_hex(ciphertext), b2a_hex(new_ciphertext1))
def setUp(self):
global RSA, Random, bytes_to_long
from CryptoPlus.PublicKey import RSA
from CryptoPlus import Random
from CryptoPlus.Util.number import bytes_to_long, inverse
self.n = bytes_to_long(a2b_hex(self.modulus))
self.p = bytes_to_long(a2b_hex(self.prime_factor))
# Compute q, d, and u from n, e, and p
self.q = self.n / self.p
self.d = inverse(self.e, (self.p - 1) * (self.q - 1))
self.u = inverse(self.p, self.q) # u = e**-1 (mod q)
self.rsa = RSA
def _check_decryption(self, rsaObj):
plaintext = a2b_hex(self.plaintext)
ciphertext = a2b_hex(self.ciphertext)
# Test plain decryption
new_plaintext = rsaObj.decrypt((ciphertext, ))
self.assertEqual(b2a_hex(plaintext), b2a_hex(new_plaintext))
# Test blinded decryption
blinding_factor = Random.new().read(len(ciphertext) - 1)
blinded_ctext = rsaObj.blind(ciphertext, blinding_factor)
blinded_ptext = rsaObj.decrypt((blinded_ctext, ))
unblinded_plaintext = rsaObj.unblind(blinded_ptext, blinding_factor)
self.assertEqual(b2a_hex(plaintext), b2a_hex(unblinded_plaintext))
def setUp(self):
global RSA, Random, bytes_to_long
from CryptoPlus.PublicKey import RSA
from CryptoPlus import Random
from CryptoPlus.Util.number import bytes_to_long, inverse
self.n = bytes_to_long(a2b_hex(self.modulus))
self.p = bytes_to_long(a2b_hex(self.prime_factor))
# Compute q, d, and u from n, e, and p
self.q = self.n / self.p
self.d = inverse(self.e, (self.p-1)*(self.q-1))
self.u = inverse(self.p, self.q) # u = e**-1 (mod q)
self.rsa = RSA
def _check_decryption(self, rsaObj):
plaintext = a2b_hex(self.plaintext)
ciphertext = a2b_hex(self.ciphertext)
# Test plain decryption
new_plaintext = rsaObj.decrypt((ciphertext,))
self.assertEqual(b2a_hex(plaintext), b2a_hex(new_plaintext))
# Test blinded decryption
blinding_factor = Random.new().read(len(ciphertext)-1)
blinded_ctext = rsaObj.blind(ciphertext, blinding_factor)
blinded_ptext = rsaObj.decrypt((blinded_ctext,))
unblinded_plaintext = rsaObj.unblind(blinded_ptext, blinding_factor)
self.assertEqual(b2a_hex(plaintext), b2a_hex(unblinded_plaintext))
def _exercise_public_primitive(self, rsaObj):
plaintext = a2b_hex(self.plaintext)
# Test encryption (2 arguments)
(new_ciphertext2, ) = rsaObj.encrypt(plaintext, "")
# Test encryption (1 argument)
if not self.legacy_interface_only:
(new_ciphertext1, ) = rsaObj.encrypt(plaintext)
self.assertEqual(new_ciphertext2, new_ciphertext1)
def _exercise_public_primitive(self, rsaObj):
plaintext = a2b_hex(self.plaintext)
# Test encryption (2 arguments)
(new_ciphertext2,) = rsaObj.encrypt(plaintext, "")
# Test encryption (1 argument)
if not self.legacy_interface_only:
(new_ciphertext1,) = rsaObj.encrypt(plaintext)
self.assertEqual(new_ciphertext2, new_ciphertext1)
def _exercise_primitive(self, rsaObj):
# Since we're using a randomly-generated key, we can't check the test
# vector, but we can make sure encryption and decryption are inverse
# operations.
ciphertext = a2b_hex(self.ciphertext)
# Test decryption
plaintext = rsaObj.decrypt((ciphertext, ))
# Test encryption (2 arguments)
(new_ciphertext2, ) = rsaObj.encrypt(plaintext, "")
self.assertEqual(b2a_hex(ciphertext), b2a_hex(new_ciphertext2))
# Test encryption (1 argument)
if not self.legacy_interface_only:
(new_ciphertext1, ) = rsaObj.encrypt(plaintext)
self.assertEqual(b2a_hex(ciphertext), b2a_hex(new_ciphertext1))
# Test blinded decryption
blinding_factor = Random.new().read(len(ciphertext) - 1)
blinded_ctext = rsaObj.blind(ciphertext, blinding_factor)
blinded_ptext = rsaObj.decrypt((blinded_ctext, ))
unblinded_plaintext = rsaObj.unblind(blinded_ptext, blinding_factor)
self.assertEqual(b2a_hex(plaintext), b2a_hex(unblinded_plaintext))
def _exercise_primitive(self, rsaObj):
# Since we're using a randomly-generated key, we can't check the test
# vector, but we can make sure encryption and decryption are inverse
# operations.
ciphertext = a2b_hex(self.ciphertext)
# Test decryption
plaintext = rsaObj.decrypt((ciphertext,))
# Test encryption (2 arguments)
(new_ciphertext2,) = rsaObj.encrypt(plaintext, "")
self.assertEqual(b2a_hex(ciphertext), b2a_hex(new_ciphertext2))
# Test encryption (1 argument)
if not self.legacy_interface_only:
(new_ciphertext1,) = rsaObj.encrypt(plaintext)
self.assertEqual(b2a_hex(ciphertext), b2a_hex(new_ciphertext1))
# Test blinded decryption
blinding_factor = Random.new().read(len(ciphertext)-1)
blinded_ctext = rsaObj.blind(ciphertext, blinding_factor)
blinded_ptext = rsaObj.decrypt((blinded_ctext,))
unblinded_plaintext = rsaObj.unblind(blinded_ptext, blinding_factor)
self.assertEqual(b2a_hex(plaintext), b2a_hex(unblinded_plaintext))