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Current Path: /opt/alt/python27/lib/python2.7/site-packages/beaker/crypto

opt / alt / python27 / lib / python2.7 / site-packages / beaker / crypto /

📁 ..
📄 __init__.py(1.2 KB)
📄 __init__.pyc(1.35 KB)
📄 __init__.pyo(1.35 KB)
📄 jcecrypto.py(1.01 KB)
📄 jcecrypto.pyc(1.55 KB)
📄 jcecrypto.pyo(1.55 KB)
📄 pbkdf2.py(11.65 KB)
📄 pbkdf2.pyc(8.72 KB)
📄 pbkdf2.pyo(8.66 KB)
📄 pycrypto.py(848 B)
📄 pycrypto.pyc(1.31 KB)
📄 pycrypto.pyo(1.31 KB)
📄 util.py(758 B)
📄 util.pyc(631 B)
📄 util.pyo(631 B)

Editing: init.py

from warnings import warn

from beaker.crypto.pbkdf2 import PBKDF2, strxor
from beaker.crypto.util import hmac, sha1, hmac_sha1, md5
from beaker import util

keyLength = None

if util.jython:
    try:
        from beaker.crypto.jcecrypto import getKeyLength, aesEncrypt
        keyLength = getKeyLength()
    except ImportError:
        pass
else:
    try:
        from beaker.crypto.pycrypto import getKeyLength, aesEncrypt, aesDecrypt
        keyLength = getKeyLength()
    except ImportError:
        pass

if not keyLength:
    has_aes = False
else:
    has_aes = True

if has_aes and keyLength < 32:
    warn('Crypto implementation only supports key lengths up to %d bits. '
         'Generated session cookies may be incompatible with other '
         'environments' % (keyLength * 8))

def generateCryptoKeys(master_key, salt, iterations):
    # NB: We XOR parts of the keystream into the randomly-generated parts, just
    # in case os.urandom() isn't as random as it should be.  Note that if
    # os.urandom() returns truly random data, this will have no effect on the
    # overall security.
    keystream = PBKDF2(master_key, salt, iterations=iterations)
    cipher_key = keystream.read(keyLength)
    return cipher_key

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Editing: init.py