Python Crypto.Cipher.Blowfish.block_size() Examples

The following are 3 code examples of Crypto.Cipher.Blowfish.block_size(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module Crypto.Cipher.Blowfish , or try the search function .
Example #1
Source File: security.py    From kansha with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
def cookie_encode(self, *ids):
        cookie = super(Authentication, self).cookie_encode(*ids)

        bs = Blowfish.block_size
        iv = Random.new().read(bs)
        cipher = Blowfish.new(self.KEY, Blowfish.MODE_CBC, iv)
        # pad cookie to block size.
        # Cookie is ascii base64 + ':', so we can safely pad with '@'.
        missing_bytes = bs - (len(cookie) % bs)
        cookie += '@' * missing_bytes

        return '%s:%s' % (
            b64encode(iv),
            b64encode(cipher.encrypt(cookie))
        )

        return cookie
Example #2
Source File: encrypt.py    From GloboNetworkAPI with Apache License 2.0 5 votes vote down vote up 
def encrypt_key(text, salt_key):
    try:
        bs = Blowfish.block_size
        extra_bytes = len(text) % bs
        padding_size = bs - extra_bytes
        padding = chr(padding_size) * padding_size
        padded_text = text + padding

        crypt_obj = Blowfish.new(salt_key, Blowfish.MODE_ECB)

        cipher = crypt_obj.encrypt(padded_text)

        return cipher
    except Exception as ERROR:
        log.error(ERROR)
Example #3
Source File: encrypt.py    From GloboNetworkAPI with Apache License 2.0 5 votes vote down vote up 
def generate_key():
    try:
        bs = Blowfish.block_size
        return get_random_bytes(bs)

    except Exception as ERROR:
        log.error(ERROR)