标签:ref method aes __name__ encrypt encode block mod targe
# pip install pycryptodome
from Crypto.Cipher import AES
import base64
class Encrypt:
def __init__(self, key, iv):
self.key = key.encode(‘utf-8‘)
self.iv = iv.encode(‘utf-8‘)
# @staticmethod
def pkcs7padding(self, text):
"""明文使用PKCS7填充 """
bs = 16
length = len(text)
bytes_length = len(text.encode(‘utf-8‘))
padding_size = length if (bytes_length == length) else bytes_length
padding = bs - padding_size % bs
padding_text = chr(padding) * padding
self.coding = chr(padding)
return text + padding_text
def aes_encrypt(self, content):
""" AES加密 """
cipher = AES.new(self.key, AES.MODE_CBC, self.iv)
# 处理明文
content_padding = self.pkcs7padding(content)
# 加密
encrypt_bytes = cipher.encrypt(content_padding.encode(‘utf-8‘))
# 重新编码
result = str(base64.b64encode(encrypt_bytes), encoding=‘utf-8‘)
return result
def aes_decrypt(self, content):
"""AES解密 """
cipher = AES.new(self.key, AES.MODE_CBC, self.iv)
content = base64.b64decode(content)
text = cipher.decrypt(content).decode(‘utf-8‘)
return text.rstrip(self.coding)
if __name__ == ‘__main__‘:
key = ‘ONxYDyNaCoyTzsp83JoQ3YYuMPHxk3j7‘
iv = ‘yNaCoyTzsp83JoQ3‘
a = Encrypt(key=key, iv=iv)
text = "asdf234!@#sdfe"
print("待加密:", text)
e = a.aes_encrypt(text)
print("加密:", e)
d = a.aes_decrypt(e)
print("解密:", d)
标签:ref method aes __name__ encrypt encode block mod targe
原文地址:https://www.cnblogs.com/namejmj/p/14747491.html