<p>尝试修改程序以生成十六进制编码的密文输出,并接受十六进制编码的密文输入。这样,您可以将密文打印为常规文本而不是字节数组,用户可以使用键盘以常规字符串(而不是字节数组)的形式输入密文。(您可以使用不同的编码方法,例如base64而不是十六进制)。我还清理了其他一些东西:</p>
<pre><code>from Crypto.Cipher import DES
import binascii
key = input('Enter your key: ').encode('utf-8')
myDes = DES.new(key, DES.MODE_ECB)
print('Please select option:\n1. Encryption\n2. Decryption\n3. Exit')
while True:
user_choice = input("Choose a option: ")
if user_choice == "1":
plain_text = input("Please enter your text: ")
cipher_text = myDes.encrypt(plain_text.encode("utf-8"))
print("Encrypted text:", cipher_text.hex())
elif user_choice == "2":
user_cipher_text = input("Please enter your cipher text: ")
text = myDes.decrypt(binascii.unhexlify(user_cipher_text))
print("Decrypted text:", text.decode('utf-8'))
elif user_choice == "3":
print("Quitting The Program....")
break
else:
print("Please Choose a correct option")
</code></pre>
<p>请注意,键和输入必须是8字节的倍数。如果是,则该功能将按预期运行:</p>
<pre><code>$ python3 sajjan.py
Enter your key: asdfghjk
Please select option:
1. Encryption
2. Decryption
3. Exit
Choose a option: 1
Please enter your text: testtest
Encrypted text: 3049caf9d8c9b7cb
Choose a option: 3
Quitting The Program....
$ python3 sajjan.py
Enter your key: asdfghjk
Please select option:
1. Encryption
2. Decryption
3. Exit
Choose a option: 2
Please enter your cipher text: 3049caf9d8c9b7cb
Decrypted text: testtest
Choose a option: 3
Quitting The Program....
</code></pre>