Comment on Can you Crack It? Break this cypher, get an interview with GCHQparentComments−DanielRibeiro14yWhy do you think it doesn't? Xor ciphers are the basic blocks of S-boxes[1], which are part of several cryptosystems, like AES, DES and Blowfish.And the word cipher is on the title.[1] http://en.wikipedia.org/wiki/S_box−wbhart14yOh! You thought they wanted to hire people who could crack actual real world cryptosystems.
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Why do you think it doesn't? Xor ciphers are the basic blocks of S-boxes[1], which are part of several cryptosystems, like AES, DES and Blowfish.
And the word cipher is on the title.
[1] http://en.wikipedia.org/wiki/S_box
Oh! You thought they wanted to hire people who could crack actual real world cryptosystems.