My Python program says "AttributeError: 'str' object has no attribute 'encode' on line 4"

Question

So I found a AES (Advanced Encryption Standard) implementation in Python, but just the encoding and the decoding part:

def encrypt(string, password):
    pad = lambda s : s + str.encode(chr(16 - len(s) % 16) * (16 - len(s) % 16))

    password = str.encode(password)
    string = str.encode(string)

    salt = os.urandom(8) # Unpredictable enough for cryptographic use
    salted = b''
    dx = b''

    while len(salted) < 48:
        dx = md5_encode(dx + password + salt, True)
        salted += dx

    key = salted[0:32]
    iv = salted[32:48]
    
    cipher = AES.new(key, AES.MODE_CBC, iv)
    encrypted_64 = base64.b64encode(cipher.encrypt(pad(string))).decode('ascii')
    
    json_data = {
        'ct': encrypted_64,
        'iv': iv.hex(),
        's': salt.hex()
    }

    return json.dumps(json_data, separators = (',', ':'))

Which works perfectly btw. Then after I did some "sentence = input('blah blah blah') and some password = input('blah blah'), after that, i did encrypt(sentence, password). But I'm really not that sure I did it correctly because it says : AttributeError: 'str' object has no attribute 'encode' on line 4

I'm new to Python.

Python 3 I think. I'm not sure because I use create.withcode.uk wich is online and doesnt show which version it is. — icebreaker606
– icebreaker606, Commented Feb 25, 2021 at 2:42

norie · Accepted Answer · 2021-02-25 02:22:19Z

1

str should be replaced by the string you want to encode, and the encoding you want to apply goes in the brackets.

password = password.encode(encoding='UTF-8')
string = string.encode(encoding='UTF-8')

answered Feb 25, 2021 at 2:22

norie

9,9372 gold badges14 silver badges19 bronze badges

Sign up to request clarification or add additional context in comments.

Collectives™ on Stack Overflow

My Python program says "AttributeError: 'str' object has no attribute 'encode' on line 4"

1 Answer 1

Comments

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

Comments

Your Answer

Sign up or log in

Post as a guest

Related