def test08(self):
print 'test08-------------------------'
# en--
key = 'Call me Ishmael.'[:16]
key = map(ord, key)
data = 'This is not a block length.'
mode = aes.AESModeOfOperation.modeOfOperation["CBC"]
if mode == aes.AESModeOfOperation.modeOfOperation["CBC"]:
data = aes.append_PKCS7_padding(data)
keysize = len(key)
assert keysize in aes.AES.keySize.values(
), 'invalid key size: %s' % keysize
# create a new iv using random data
iv = [12, 34, 96, 15, 12, 34, 96, 15, 12, 34, 96, 15, 12, 34, 96, 15]
moo = aes.AESModeOfOperation()
(mode, length, ciph) = moo.encrypt(data, mode, key, keysize, iv)
# With padding, the original length does not need to be known. It's a bad
# idea to store the original message length.
# prepend the iv.
encrypt_data = ciph
print aes.decryptDataIv(key, ciph, iv)
keysize = len(key)
assert keysize in aes.AES.keySize.values(
), 'invalid key size: %s' % keysize
# iv is first 16 bytes
#iv = map(ord, encrypt_data[:16])
moo = aes.AESModeOfOperation()
decr = moo.decrypt(encrypt_data, None, mode, key, keysize, iv)
if mode == aes.AESModeOfOperation.modeOfOperation["CBC"]:
decr = aes.strip_PKCS7_padding(decr)
print decr
def test08(self):
print 'test08-------------------------'
# en--
key = 'Call me Ishmael.'[:16]
key = map(ord, key)
data = 'This is not a block length.'
mode = aes.AESModeOfOperation.modeOfOperation["CBC"]
if mode == aes.AESModeOfOperation.modeOfOperation["CBC"]:
data = aes.append_PKCS7_padding(data)
keysize = len(key)
assert keysize in aes.AES.keySize.values(), 'invalid key size: %s' % keysize
# create a new iv using random data
iv = [12, 34, 96, 15, 12, 34, 96, 15, 12, 34, 96, 15, 12, 34, 96, 15]
moo = aes.AESModeOfOperation()
(mode, length, ciph) = moo.encrypt(data, mode, key, keysize, iv)
# With padding, the original length does not need to be known. It's a bad
# idea to store the original message length.
# prepend the iv.
encrypt_data = ciph
print aes.decryptDataIv(key, ciph, iv)
keysize = len(key)
assert keysize in aes.AES.keySize.values(), 'invalid key size: %s' % keysize
# iv is first 16 bytes
#iv = map(ord, encrypt_data[:16])
moo = aes.AESModeOfOperation()
decr = moo.decrypt(encrypt_data, None, mode, key, keysize, iv)
if mode == aes.AESModeOfOperation.modeOfOperation["CBC"]:
decr = aes.strip_PKCS7_padding(decr)
print decr
def decrypt(self, key, param, data): key = map(ord, key) keysize = len(key) iv = map(ord, param[:16]) data = map(ord, data) moo = aes.AESModeOfOperation() mode = aes.AESModeOfOperation.modeOfOperation["CBC"] decr = moo.decrypt(data, None, mode, key, keysize, iv) return aes.strip_PKCS7_padding(decr)
def decrypt(self, key, param, data):
key = map(ord, key)
keysize = len(key)
iv = map(ord, param[:16])
data = map(ord, data)
moo = aes.AESModeOfOperation()
mode = aes.AESModeOfOperation.modeOfOperation["CBC"]
decr = moo.decrypt(data, None, mode, key, keysize, iv)
return aes.strip_PKCS7_padding(decr)
def decryptRequest(self, request): encrypted = bytearray(str(request['message'])) iv = bytearray(request['message']['salt']) moo = aes.AESModeOfOperation() moo.aes.v6 = self.v6 decrypted = moo.decrypt(encrypted, 256, moo.modeOfOperation["CBC"], self.key, moo.aes.keySize["SIZE_128"], iv) decrypted = aes.strip_PKCS7_padding(decrypted) return self.DecryptedRequest(decrypted)
def decryptRequest(self, request):
encrypted = bytearray(str(request['message']).encode('latin-1')) #*2to3*
iv = bytearray(request['message']['salt'].encode('latin-1')) #*2to3*
moo = aes.AESModeOfOperation()
moo.aes.v6 = self.v6
decrypted = moo.decrypt(encrypted, 256, moo.ModeOfOperation["CBC"], self.key, moo.aes.KeySize["SIZE_128"], iv) #*2to3*
decrypted = aes.strip_PKCS7_padding(decrypted)
decrypted = bytes(decrypted) #*2to3*
return self.DecryptedRequest(decrypted)
def decryptRequest(self, request):
encrypted = bytearray(str(request['message']))
iv = bytearray(request['message']['salt'])
moo = aes.AESModeOfOperation()
moo.aes.v6 = self.v6
decrypted = moo.decrypt(encrypted, 256, moo.modeOfOperation["CBC"], self.key, moo.aes.keySize["SIZE_128"], iv)
decrypted = aes.strip_PKCS7_padding(decrypted)
return self.DecryptedRequest(decrypted)
def decryptResponse(self, response):
paddingLength = response['bodyLength1'] % 8
iv = bytearray(response['salt'])
encrypted = bytearray(response['encrypted'][:-paddingLength])
moo = aes.AESModeOfOperation()
moo.aes.v6 = self.v6
decrypted = moo.decrypt(encrypted, 256, moo.modeOfOperation["CBC"], self.key, moo.aes.keySize["SIZE_128"], iv)
decrypted = aes.strip_PKCS7_padding(decrypted)
return self.DecryptedResponse(decrypted)
def decryptResponse(self, response):
paddingLength = response['bodyLength1'] % 8
iv = bytearray(response['salt'].encode('latin-1')) #*2to3*
encrypted = bytearray(response['encrypted'][:-paddingLength].encode('latin-1')) #*2to3*
moo = aes.AESModeOfOperation()
moo.aes.v6 = self.v6
decrypted = moo.decrypt(encrypted, 256, moo.ModeOfOperation["CBC"], self.key, moo.aes.KeySize["SIZE_128"], iv) #*2to3*
decrypted = aes.strip_PKCS7_padding(decrypted)
decrypted = bytes(decrypted) #*2to3*
return self.DecryptedResponse(decrypted)
def decryptRequest(self, request):
encrypted = bytearray(str(
request['message']).encode('latin-1')) #*2to3*
iv = bytearray(request['message']['salt'].encode('latin-1')) #*2to3*
moo = aes.AESModeOfOperation()
moo.aes.v6 = self.v6
decrypted = moo.decrypt(encrypted, 256, moo.ModeOfOperation["CBC"],
self.key, moo.aes.KeySize["SIZE_128"],
iv) #*2to3*
decrypted = aes.strip_PKCS7_padding(decrypted)
decrypted = bytes(decrypted) #*2to3*
return self.DecryptedRequest(decrypted)
def decryptResponse(self, response):
paddingLength = response['bodyLength1'] % 8
iv = bytearray(response['salt'].encode('latin-1')) #*2to3*
encrypted = bytearray(
response['encrypted'][:-paddingLength].encode('latin-1')) #*2to3*
moo = aes.AESModeOfOperation()
moo.aes.v6 = self.v6
decrypted = moo.decrypt(encrypted, 256, moo.ModeOfOperation["CBC"],
self.key, moo.aes.KeySize["SIZE_128"],
iv) #*2to3*
decrypted = aes.strip_PKCS7_padding(decrypted)
decrypted = bytes(decrypted) #*2to3*
return self.DecryptedResponse(decrypted)
def decrypt(ciphertext, key):
iv = ciphertext[:AES.block_size]
cipher = AES.new(key, AES.MODE_CBC, iv)
plaintext = cipher.decrypt(ciphertext[AES.block_size:])
plaintext = aes.strip_PKCS7_padding(plaintext)
return plaintext.rstrip(b"\x07")
