/relevation/ext/cryptopy-1.2.5.orig/crypto/common.py |
---|
0,0 → 1,21 |
""" crypto.common |
Common utility routines for crypto modules |
Copyright © (c) 2002 by Paul A. Lambert |
Read LICENSE.txt for license information. |
""" |
def xorS(a,b): |
""" XOR two strings """ |
assert len(a)==len(b) |
x = [] |
for i in range(len(a)): |
x.append( chr(ord(a[i])^ord(b[i]))) |
return ''.join(x) |
def xor(a,b): |
""" XOR two strings """ |
x = [] |
for i in range(min(len(a),len(b))): |
x.append( chr(ord(a[i])^ord(b[i]))) |
return ''.join(x) |