AES加密方式有五种 ： ECB, CBC, CTR, CFB, OFB
从安全性角度推荐cbc算法
windows 下安装 ： pip install pycryptodome
linux 下安装 ： pip install pycrypto
cbc加密需要一个十六位的key 和一个十六位的iv(偏移量)
ecb加密不需要iv
aes cbc 加密的python实现
from Crypto.Cipher import AES from binascii import b2a_hex, a2b_hex # 如果text不足十六位的倍数用空格补充 def add_to_16(text): if len(text.encode(‘utf8‘)) % 16: add = 16 - (len(text.encode(‘utf8‘)) % 16) else: add = 0 text = text + ‘\0‘ * add return text # 加密 def encrypt(text): key = ‘9999999999999999‘.encode(‘utf8‘) mode = AES.MODE_CBC iv = b‘qqqqqqqqqqqqqqqq‘ text = add_to_16(text) cryptos = AES.new(key, mode, iv) cipher_text = cryptos.encrypt(text) # 因为AES加密后的字符串不一定是ascii字符集的，输出保存可能存在问题，所以这里转为16进制字符串 return b2a_hex(cipher_text) # 解密后去掉空格 def decrypt(text): key = ‘9999999999999999‘.encode(‘utf8‘) mode = AES.MODE_CBC iv = b‘qqqqqqqqqqqqqqqq‘ cryptos = AES.new(key, mode, iv) plain_text = cryptos.decrypt(a2b_hex(text)) return bytes.decode(plain_text).rstrip(‘\0‘) if __name__ == ‘__main__‘: a = encrypt(‘hello‘) b = decrypt(a) print(‘加密‘, a) print(‘解密‘, b)
aes ecb加密， 没有偏移量iv
from Crypto.Cipher import AES from binascii import b2a_hex, a2b_hex # 如果text不足十六位的倍数用空格补充 def add_to_16(text): if len(text.encode(‘utf8‘)) % 16: add = 16 - (len(text.encode(‘utf8‘)) % 16) else: add = 0 text = text + ‘\0‘ * add return text # 加密 def encrypt(text): key = ‘9999999999999999‘.encode(‘utf8‘) mode = AES.MODE_ECB text = add_to_16(text) cryptos = AES.new(key, mode) cipher_text = cryptos.encrypt(text) # 因为AES加密后的字符串不一定是ascii字符集的，输出保存可能存在问题，所以这里转为16进制字符串 return b2a_hex(cipher_text) # 解密后去掉空格 def decrypt(text): key = ‘9999999999999999‘.encode(‘utf8‘) mode = AES.MODE_ECB cryptos = AES.new(key, mode) plain_text = cryptos.decrypt(a2b_hex(text)) return bytes.decode(plain_text).rstrip(‘\0‘) if __name__ == ‘__main__‘: a = encrypt(‘hello‘) b = decrypt(a) print(‘加密‘, a) print(‘解密‘, b)
原文：https://www.cnblogs.com/zhangjian0092/p/12335542.html