def setTheKey(self, theKey):
self._theKey = theKey
self.p = _longToArray(keypair.p)
self.q = _longToArray(keypair.q)
self.pq = _longToArray(keypair.u)
self.dp1 = _longToArray(keypair.d % (keypair.p - 1))
self.dq1 = _longToArray(keypair.d % (keypair.q - 1))
# someone should set size over there ...
self._setInitialized()
def doFinal(self, inBuff, inOffset, inLength, outBuff, outOffset):
Cipher.doFinal(self, inBuff, inOffset, inLength, outBuff, outOffset)
data = [0 for i in xrange(inLength)]
Util.arrayCopy(inBuff, inOffset, data, 0, inLength)
if ((self.algorithm == self.ALG_RSA_PKCS1) and
(self.mode == self.MODE_ENCRYPT)):
data = self.EME_PKCS1_v1_5_enc(data)
if len(data) != (self._theKey.getSize() // 8):
raise CryptoException(CryptoException.ILLEGAL_VALUE)
if self.mode == self.MODE_ENCRYPT:
(res, ) = self._theKey._theKey.encrypt(_arrayTolong(data), None)
else:
res = self._theKey._theKey.decrypt(_arrayTolong(data))
buf = _longToArray(res)
# remove padding
if ((self.algorithm == self.ALG_RSA_PKCS1) and
(self.mode == self.MODE_DECRYPT)):
buf = self.EME_PKCS1_v1_5_dec(buf)
Util.arrayCopy(buf, 0, outBuff, outOffset, len(buf))
return len(buf)
def setTheKey(self, theKey):
self._theKey = theKey
self.exponent = _longToArray(theKey.e)
self.modulus = _longToArray(theKey.d)
