How to take key input from user?

Question

How to take key input in key = b'8_bit_key_from_user'?

from Crypto.Cipher import DES from secrets import token_bytes input_key = input() key = b''+input_key

Output:

File "c:\Users\PAssWORD\Music\des.py", line 16, in <module> key = b''+input_key TypeError: can't concat str to bytes

I dont think b'' is valid syntax, maybe "b\'\' " was what you were looking for? — Pinak Paliwal
– Pinak Paliwal, Commented Mar 17, 2021 at 17:22

PApostol · Accepted Answer · 2021-03-17 17:24:28Z

Instead of key = b'' + input_key try key = bytes(input_key, 'utf-8'). In the former you're trying to concatenate an empty byte variable to a string variable, hence the error.

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