diff options
Diffstat (limited to 'pyload/lib/beaker/crypto/pycrypto.py')
-rw-r--r-- | pyload/lib/beaker/crypto/pycrypto.py | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/pyload/lib/beaker/crypto/pycrypto.py b/pyload/lib/beaker/crypto/pycrypto.py new file mode 100644 index 000000000..6657bff56 --- /dev/null +++ b/pyload/lib/beaker/crypto/pycrypto.py @@ -0,0 +1,34 @@ +"""Encryption module that uses pycryptopp or pycrypto""" +try: + # Pycryptopp is preferred over Crypto because Crypto has had + # various periods of not being maintained, and pycryptopp uses + # the Crypto++ library which is generally considered the 'gold standard' + # of crypto implementations + from pycryptopp.cipher import aes + + def aesEncrypt(data, key): + cipher = aes.AES(key) + return cipher.process(data) + + # magic. + aesDecrypt = aesEncrypt + +except ImportError: + from Crypto.Cipher import AES + from Crypto.Util import Counter + + def aesEncrypt(data, key): + cipher = AES.new(key, AES.MODE_CTR, + counter=Counter.new(128, initial_value=0)) + + return cipher.encrypt(data) + + def aesDecrypt(data, key): + cipher = AES.new(key, AES.MODE_CTR, + counter=Counter.new(128, initial_value=0)) + return cipher.decrypt(data) + + + +def getKeyLength(): + return 32 |