Old MySQL Password Hash

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#!/usr/bin/python
def mysql_hash_password(password):
    nr = 1345345333
    add = 7
    nr2 = 0x12345671

    for c in (ord(x) for x in password if x not in (' ', '\t')):
        nr^= (((nr & 63)+add)*c)+ (nr << 8) & 0xFFFFFFFF
        nr2= (nr2 + ((nr2 << 8) ^ nr)) & 0xFFFFFFFF
        add= (add + c) & 0xFFFFFFFF

    return "%08x%08x" % (nr & 0x7FFFFFFF,nr2 & 0x7FFFFFFF)

if __name__ == '__main__':
    import sys
    if len(sys.argv) != 2:
        print >> sys.stderr , 'Python Implementation of MySQL\'s old password hash'
        print >> sys.stderr , 'Usage: %s password' % sys.argv[0]
        sys.exit(1) 
    print mysql_hash_password(sys.argv[1])

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