import "./1536bit" as sha256; // Take two bool[256] arrays as input // and returns their sha256 full round output as an array of 256 bool. def main(bool[256] a, bool[256] b, bool[256] c, bool[256] d) -> bool[256] { // Hash is computed on the full 1024bit block size // padding does not fit in the first two blocks // add dummy block (single "1" followed by "0" + total length) bool[256] dummyblock1 = [true, ...[false; 255]]; // Total length of message is 1024 bits: 0b10000000000 bool[256] dummyblock2 = [...[false; 245], true, ...[false; 10]]; bool[256] digest = sha256(a, b, c, d, dummyblock1, dummyblock2); return digest; }