Function sha_done

src/base/hash_libtomcrypt.cpp:158–189

}

static void sha_done(sha256_state *md, void *out)
{
	int i;

	// Increase the length of the message
	md->length += md->curlen * 8;

	// Append the '1' bit
	md->buf[md->curlen++] = (unsigned char)0x80;

	// If the length is currently above 56 bytes we append zeros then compress.
	// Then we can fall back to padding zeros and length encoding like normal.
	if(md->curlen > 56)
	{
		while(md->curlen < 64)
			md->buf[md->curlen++] = 0;
		sha_compress(md, md->buf);
		md->curlen = 0;
	}

	// Pad up to 56 bytes of zeroes
	while(md->curlen < 56)
		md->buf[md->curlen++] = 0;

	// Store length
	store64(md->length, md->buf + 56);
	sha_compress(md, md->buf);

	// Copy output
	for(i = 0; i < 8; i++)
		store32(md->state[i], (unsigned char *)out + (4 * i));
}

void sha256_init(SHA256_CTX *ctxt)
{