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by dchest
5007 days ago
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BLAKE and Skein inject a message block by first running it through the block cipher (as key in BLAKE, as plaintext in Skein), and then XORing the result with the message block to get a new state. JH XORs message block into one half of the state before permutation, and into the other half after it. Keccak XORs message block into a part of state before permutation, and that's it. |
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