diff options
Diffstat (limited to 'common/PubnubCrypto.py')
| -rw-r--r-- | common/PubnubCrypto.py | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/common/PubnubCrypto.py b/common/PubnubCrypto.py deleted file mode 100644 index 295a76e..0000000 --- a/common/PubnubCrypto.py +++ /dev/null @@ -1,162 +0,0 @@ -from Crypto.Cipher import AES -from Crypto.Hash import MD5 -from base64 import encodestring, decodestring -import hashlib -import hmac - - -class PubnubCrypto2(): - """ - #** - #* 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. - #** - """ - padding = block_size - (len(msg) % block_size) - return msg + chr(padding) * padding - - 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 hashlib.sha256(key).hexdigest() - - def encrypt(self, key, msg): - """ - #** - #* encrypt - #* - #* encrypts the message - #* @return message in encrypted format - #** - """ - secret = self.getSecret(key) - Initial16bytes = '0123456789012345' - cipher = AES.new(secret[0:32], AES.MODE_CBC, Initial16bytes) - enc = encodestring(cipher.encrypt(self.pad(msg))) - return enc - - def decrypt(self, key, msg): - """ - #** - #* decrypt - #* - #* decrypts the message - #* @return message in decryped format - #** - """ - secret = self.getSecret(key) - Initial16bytes = '0123456789012345' - cipher = AES.new(secret[0:32], AES.MODE_CBC, Initial16bytes) - return self.depad((cipher.decrypt(decodestring(msg)))) - - -class PubnubCrypto3(): - """ - #** - #* 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. - #** - """ - padding = block_size - (len(msg) % block_size) - return msg + (chr(padding) * padding).encode('utf-8') - - 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 hashlib.sha256(key.encode("utf-8")).hexdigest() - - def encrypt(self, key, msg): - """ - #** - #* encrypt - #* - #* encrypts the message - #* @return message in encrypted format - #** - """ - secret = self.getSecret(key) - Initial16bytes = '0123456789012345' - cipher = AES.new(secret[0:32], AES.MODE_CBC, Initial16bytes) - return encodestring( - cipher.encrypt(self.pad(msg.encode('utf-8')))).decode('utf-8') - - def decrypt(self, key, msg): - """ - #** - #* decrypt - #* - #* decrypts the message - #* @return message in decryped format - #** - """ - secret = self.getSecret(key) - Initial16bytes = '0123456789012345' - cipher = AES.new(secret[0:32], AES.MODE_CBC, Initial16bytes) - return (cipher.decrypt( - decodestring(msg.encode('utf-8')))).decode('utf-8') |
