import base64
from Crypto.Cipher import AES
from urllib.parse import unquote
'''
采用AES对称加密算法
'''
# str不是16的倍数那就补足为16的倍数
def add_to_16(value):
while len(value) % 16 != 0:
value += '\0'
return str.encode(value) # 返回bytes
#加密方法
def encrypt_oracle():
# 秘钥
key = 'abcdefgabcdefg12'
# 待加密文本
text = input("输入待加密文本:")
# 初始化加密器
aes = AES.new(add_to_16(key), AES.MODE_ECB)
#先进行aes加密
encrypt_aes = aes.encrypt(add_to_16(text))
#用base64转成字符串形式
encrypted_text = str(base64.encodebytes(encrypt_aes), encoding='utf-8') # 执行加密并转码返回bytes
print("加密值;",encrypted_text)
#解密方法
def decrypt_oralce():
# 秘钥
key = 'abcdefgabcdefg12'
# 密文
text = input("输入密文:")
# 初始化加密器
aes = AES.new(add_to_16(key), AES.MODE_ECB)
#优先逆向解密base64成bytes
base64_decrypted = base64.decodebytes(text.encode(encoding='utf-8'))
#执行解密密并转码返回str
decrypted_text = str(aes.decrypt(base64_decrypted),encoding='utf-8').replace('\0','')
print("解密值:",decrypted_text)
print("URL解码后解密值:",unquote(decrypted_text))
if __name__ == '__main__':
# encrypt_oracle()
decrypt_oralce()