Function sha256_init

Libraries/unrar/sha256.cpp:35–46

#define sg1(x) (rotr32(x,17) ^ rotr32(x,19) ^ (x >> 10))

void sha256_init(sha256_context *ctx)
{
  ctx->H[0] = 0x6a09e667; // Set the initial hash value.
  ctx->H[1] = 0xbb67ae85;
  ctx->H[2] = 0x3c6ef372;
  ctx->H[3] = 0xa54ff53a;
  ctx->H[4] = 0x510e527f;
  ctx->H[5] = 0x9b05688c;
  ctx->H[6] = 0x1f83d9ab;
  ctx->H[7] = 0x5be0cd19;
  ctx->Count    = 0;      // Processed data counter.
}


static void sha256_transform(sha256_context *ctx)