Commit 9d70a6c8 authored by Nicolas Pitre's avatar Nicolas Pitre Committed by David S. Miller
Browse files

[CRYPTO] sha1: Rename i/j to done/partial 



This patch gives more descriptive names to the variables i and j.

Signed-off-by: default avatarNicolas Pitre <nico@cam.org>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent cfa8d17c

crypto/sha1.c

+12 −11
Original line number Diff line number Diff line
@@ -49,32 +49,33 @@ static void sha1_init(void *ctx) 
static void sha1_update(void *ctx, const u8 *data, unsigned int len)

{

	struct sha1_ctx *sctx = ctx;

	unsigned int i, j;

	unsigned int partial, done;

	const u8 *src;



	j = (sctx->count >> 3) & 0x3f;

	partial = (sctx->count >> 3) & 0x3f;

	sctx->count += len << 3;

	i = 0;

	done = 0;

	src = data;



	if ((j + len) > 63) {

	if ((partial + len) > 63) {

		u32 temp[SHA_WORKSPACE_WORDS];



		if (j) {

			memcpy(&sctx->buffer[j], data, (i = 64-j));

		if (partial) {

			done = 64 - partial;

			memcpy(sctx->buffer + partial, data, done);

			src = sctx->buffer;

		}



		do {

			sha_transform(sctx->state, src, temp);

			i += 64;

			src = &data[i];

		} while (i + 63 < len);

			done += 64;

			src = data + done;

		} while (done + 63 < len);



		memset(temp, 0, sizeof(temp));

		j = 0;

		partial = 0;

	}

	memcpy(&sctx->buffer[j], src, len - i);

	memcpy(sctx->buffer + partial, src, len - done);

}