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P1) We saw in class that one way to write an invertible function is to use a Feistel construction. Here's example pseudocode that uses r2
P1) We saw in class that one way to write an invertible function is to use a Feistel construction. Here's example pseudocode that uses r2 as its mixing function. unsigned perm(unsigned x) [ hi -x >> 16; lo-x & 0xFFFF hi-hi (lolo) lo lo(hihi); x- (h
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