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anon081312
searching PlanetScale…
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by
anon081312
14y ago
I think this is catastrophically broken because of a known issue of how SHA-2 breaks its input into blocks: when A is aligned to a block boundary, sha(A || B) = f(sha(A), g(B)). http://en.wikipedia.org/wiki/Merkle%E2%80%93Damg%C3%A5rd_con.