test

lib/tool_base/aes_cipher.py

@@ -0,0 +1,40 @@
+import base64
+from Crypto.Cipher import AES
+from Crypto import Random
+from framework import app, logger
+
+BS = 16
+pad = lambda s: s + (BS - len(s) % BS) * chr(BS - len(s) % BS) 
+unpad = lambda s : s[0:-s[-1]]
+key = b'140b41b22a29beb4061bda66b6747e14'
+
+class ToolAESCipher(object):
+    @staticmethod
+    def encrypt(raw, mykey=None):
+        try:
+            Random.atfork()
+        except Exception as exception: 
+            logger.error('Exception:%s', exception)
+            logger.error(traceback.format_exc()) 
+
+        raw = pad(raw)
+        if type(raw) == type(''):
+            raw = raw.encode()
+        if mykey is not None and type(mykey) == type(''):
+            mykey = mykey.encode()
+        iv = Random.new().read( AES.block_size )
+        cipher = AES.new(key if mykey is None else mykey, AES.MODE_CBC, iv )
+        try:
+            tmp = cipher.encrypt( raw )
+        except:
+            tmp = cipher.encrypt( raw.encode() )
+        ret = base64.b64encode( iv + tmp ) 
+        ret = ret.decode()
+        return ret
+
+    @staticmethod
+    def decrypt(enc, mykey=None):
+        enc = base64.b64decode(enc)
+        iv = enc[:16]
+        cipher = AES.new(key if mykey is None else mykey, AES.MODE_CBC, iv )
+        return unpad(cipher.decrypt( enc[16:] ))