Python中加密方法的解密方法
我正在寻找这个加密算法的解密方法Python中加密方法的解密方法,python,encryption,base64,Python,Encryption,Base64,我正在寻找这个加密算法的解密方法 import base64 characterEncoding = 'utf-8' def encrypt(str, key): strBytes = bytearray(str.encode(characterEncoding)) keyBytes = bytearray(key.encode(characterEncoding)) off = -128; for i in range(len(strBytes)):
import base64
characterEncoding = 'utf-8'
def encrypt(str, key):
strBytes = bytearray(str.encode(characterEncoding))
keyBytes = bytearray(key.encode(characterEncoding))
off = -128;
for i in range(len(strBytes)):
off += strBytes[i]
strBytes[i] = (off ^ keyBytes[i % len(keyBytes)]) & 0xFF
return base64.b64encode(strBytes).decode(characterEncoding)
这段代码是我在试图解决它时编写的,但我不确定我所做的工作的逻辑
def decrypt(str, key):
strcipher = bytearray(base64.b64decode(str))
keyBytes = bytearray(key.encode(characterEncoding))
for i in range(len(strcipher)):
on = (strcipher[i] ^ keyBytes[i % len(keyBytes)]) & 0xFF
strcipher[i] = on - strcipher[i+1]
return strcipher.decode('utf-8')`
欢迎来到堆栈溢出!你已经试过一些代码了吗?如果是这样的话,你会分享吗?是的,我尝试了很多方法,但是我找不到正确的逻辑来反转加密。这是我最后一次尝试的代码@FrancescoB.请回答您的问题,而不是在评论中添加代码。我编辑了我的帖子,请检查一下!