def __init__(self, bArray, bOffset, bLength):
self.rsa_KeyPair = KeyPair( KeyPair.ALG_RSA, KeyBuilder.LENGTH_RSA_1024 )
self.rsa_KeyPair.genKeyPair();
self.rsa_PublicKey = self.rsa_KeyPair.getPublic();
self.rsa_PrivateKey = self.rsa_KeyPair.getPrivate();
self.cipherRSA = Cipher.getInstance(Cipher.ALG_RSA_PKCS1, False);
self.register(bArray, bOffset + 1, bArray[bOffset]);
def testInit(self):
c = Cipher.getInstance(Cipher.ALG_RSA_NOPAD, False)
self.assertEquals(Cipher.ALG_RSA_NOPAD, c.getAlgorithm())
try:
c.update([], 0, 0, [], 0)
self.fail()
except CryptoException, ce:
self.assertEquals(CryptoException.INVALID_INIT, ce.getReason())
def testDES(self):
KeyArray = [1,2,3,4,5,6,7,8]
bytBuffer = [0 for i in xrange(8)]
MyBuffer = [7,5,6,8]
MyDesKey = KeyBuilder.buildKey(KeyBuilder.TYPE_DES, KeyBuilder.LENGTH_DES, False)
crypt_des = Cipher.getInstance(Cipher.ALG_DES_ECB_PKCS5, False)
MyDesKey.setKey(KeyArray, 0);
crypt_des.init(MyDesKey, Cipher.MODE_ENCRYPT);
length = crypt_des.doFinal(MyBuffer, 0, len(MyBuffer), bytBuffer, 0)
crypt_des.init(MyDesKey, Cipher.MODE_DECRYPT);
crypt_des.doFinal(bytBuffer, 0, length, MyBuffer, 0)
self.assertEquals([7,5,6,8], MyBuffer)
def testRSASignVerify(self):
kp = KeyPair(KeyPair.ALG_RSA, KeyBuilder.LENGTH_RSA_1024)
kp.genKeyPair()
pubk = kp.getPublic()
self.assertEquals(1024, pubk.getSize())
privk = kp.getPrivate()
self.assertEquals(1024, privk.getSize())
c = Cipher.getInstance(Cipher.ALG_RSA_PKCS1, False)
c.init(privk, Cipher.MODE_ENCRYPT)
res = [0]*1024
l = c.doFinal([0,1,2,3,4,5], 0, 6, res, 0)
c.init(pubk, Cipher.MODE_DECRYPT)
res2 = [0]*1024
l = c.doFinal(res, 0, l, res2, 0)
self.assertEquals([0,1,2,3,4,5], res2[:l])