Signed Encryption FIXED by rolf

o=map(ord,raw_input())
h=0
for x in o:h^=x
u=h>>4;r=""
for e in o+[h<<4^h]:f=e^h;r+=chr(f>>4&15|u<<4);u=f&15
print r

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

download

return top