aes加密

時間 2019-12-07

原文原文鏈接

算法模式：ECB（Electronic Code Book，電子密碼本）模式html

祕鑰長度：128算法

補碼方式：PKCS5Paddingapp

解碼串編碼：十六進制ui

 1 # aes加密算法padding : PKCS5
 2 class AESUtils():
 3     def __init__(self):
 4         self.__BLOCK_SIZE_16 = self.BLOCK_SIZE_16 = AES.block_size
 5         self.key = '1234567812345678'
 6 
 7     def encryt(self, str):
 8         cipher = AES.new(self.key, AES.MODE_ECB)
 9         x = self.__BLOCK_SIZE_16 - (len(str) % self.__BLOCK_SIZE_16)
10         if x != 0:
11             str = str + chr(x) * x
12         msg = cipher.encrypt(str)
13         msg = b2a_hex(msg).upper()
14         return msg
15 
16     def decrypt(self, str):
17         cipher = AES.new(self.key, AES.MODE_ECB)
18         plain_text = cipher.decrypt(a2b_hex(str))
19         return plain_text.rstrip('\0')

算法模式：ECB（Electronic Code Book，電子密碼本）模式編碼

祕鑰長度：128加密

補碼方式：PKCS5Paddingurl

解碼串編碼：base64spa

 1 class AESUtil:
 2     __BLOCK_SIZE_16 = BLOCK_SIZE_16 = AES.block_size
 3 
 4     @staticmethod
 5     def encryt(str, key):
 6         cipher = AES.new(key, AES.MODE_ECB)
 7         x = AESUtil.__BLOCK_SIZE_16 - (len(str) % AESUtil.__BLOCK_SIZE_16)
 8         if x != 0:
 9             str = str + chr(x) * x
10         msg = cipher.encrypt(str)
11         msg = base64.urlsafe_b64encode(msg).replace('=', '')
12         return msg
13 
14     @staticmethod
15     def decrypt(enStr, key):
16         cipher = AES.new(key, AES.MODE_ECB)
17         enStr += (len(enStr) % 4) * "="
18         decryptByts = base64.urlsafe_b64decode(enStr)
19         msg = cipher.decrypt(decryptByts)
20         paddingLen = ord(msg[len(msg) - 1])
21         return msg[0:-paddingLen]