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-rw-r--r--python-twisted/PubnubCrypto.py92
1 files changed, 0 insertions, 92 deletions
diff --git a/python-twisted/PubnubCrypto.py b/python-twisted/PubnubCrypto.py
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--- a/python-twisted/PubnubCrypto.py
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-## www.pubnub.com - PubNub Real-time push service in the cloud.
-# coding=utf8
-
-## PubNub Real-time Push APIs and Notifications Framework
-## Copyright (c) 2010 Stephen Blum
-## http://www.pubnub.com/
-
-## -----------------------------------
-## PubNub 3.1 Real-time Push Cloud API
-## -----------------------------------
-
-from Crypto.Cipher import AES
-from Crypto.Hash import MD5
-from base64 import encodestring, decodestring
-import hashlib
-import hmac
-
-class PubnubCrypto() :
- """
- #**
- #* PubnubCrypto
- #*
- #**
-
- ## Initiate Class
- pc = PubnubCrypto
-
- """
-
- def pad( self, msg, block_size=16 ):
- """
- #**
- #* pad
- #*
- #* pad the text to be encrypted
- #* appends a padding character to the end of the String
- #* until the string has block_size length
- #* @return msg with padding.
- #**
- """
- return msg + ((block_size - len(msg) % block_size) * chr(block_size - len(msg) % block_size))
-
- def depad( self, msg ):
- """
- #**
- #* depad
- #*
- #* depad the decryptet message"
- #* @return msg without padding.
- #**
- """
- return msg[0:-ord(msg[-1])]
-
- def getSecret( self, key ):
- """
- #**
- #* getSecret
- #*
- #* hases the key to MD5
- #* @return key in MD5 format
- #**
- """
- return MD5.new(key).digest()
-
- def encrypt( self, key, msg ):
- """
- #**
- #* encrypt
- #*
- #* encrypts the message
- #* @return message in encrypted format
- #**
- """
- secret = self.getSecret(key)
- Initial16bytes='0123456789012345'
- cipher = AES.new(secret,AES.MODE_CBC,Initial16bytes)
- return encodestring(cipher.encrypt(self.pad(msg)))
-
- def decrypt( self, key, msg ):
- """
- #**
- #* decrypt
- #*
- #* decrypts the message
- #* @return message in decryped format
- #**
- """
- secret = self.getSecret(key)
- Initial16bytes='0123456789012345'
- cipher = AES.new(secret,AES.MODE_CBC,Initial16bytes)
- return self.depad((cipher.decrypt(decodestring(msg))))
-