INNER CODE UNIT · Python

positions

rishitsaiya/CTFlearn-Writeups · Cryptography/ALEXCTF CR2: Many time secrets/cribdrag.py:26

    positions = len(ctext)-crib_len+1
    for index in xrange(positions):
        single_result = ''
        for a,b in zip(ctext[index:index+crib_len],crib):
            single_result += chr(ord(a) ^ ord(b))
        results.append(single_result)
    return results

def print_linewrapped(text):
    line_width = 40
    text_len = len(text)
    for chunk in xrange(0,text_len,line_width):
        if chunk > text_len-line_width:
            print str(chunk) + chr(9) + text[chunk:]
        else:
            print str(chunk) + chr(9) + text[chunk:chunk+line_width]

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