INNER CODE UNIT · Python

pad

cocomelonc/meow · 2021-09-15-rev-c-1/enc-aes.py:10

def pad(s):
    return s + (AES.block_size - len(s) % AES.block_size) * chr(AES.block_size - len(s) % AES.block_size)

def convert(data):
    output_str = ""
    for i in range(len(data)):
        current = data[i]
        ordd = lambda x: x if isinstance(x, int) else ord(x)
        output_str += hex(ordd(current))
    return output_str.split("0x")

# AES encryption
# key is randomized (16 bytes random string),
# and the key is then transform into the SHA256 hash and
# then it is used as a key for encrypting plaintext
def AESencrypt(plaintext, key):
    k = hashlib.sha256(key).digest()
    iv = 16 * '\x00'

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