solutions/zokrates_prover/.zokrates/stdlib/hashes/sha256/embed/256bitPadded.zok

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2023-12-05 06:06:28 +00:00
import "./512bit" as sha256;
// A function that takes 1 bool[256] array as input
// and returns the sha256 full round output as an array of 256 bool.
def main(bool[256] a) -> bool[256] {
// Hash is computed on 256 bits of input
// padding fits in the remaining 256 bits of the first block
// add dummy block (single "true" followed by "false" + total length)
bool[256] dummyblock1 = [true, ...[false; 246], true, ...[false; 8]];
bool[256] digest = sha256(a, dummyblock1);
return digest;
}