mirror of
https://github.com/torvalds/linux
synced 2024-09-06 18:01:05 +00:00
crypto: blake2b - open code set last block helper
The helper is trival and called once, inlining makes things simpler. There's a comment to tie it back to the idea behind the code. Signed-off-by: David Sterba <dsterba@suse.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
parent
d063d6327e
commit
a2e4bdce0f
|
@ -65,11 +65,6 @@ static const u8 blake2b_sigma[12][16] = {
|
||||||
{ 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 }
|
{ 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 }
|
||||||
};
|
};
|
||||||
|
|
||||||
static void blake2b_set_lastblock(struct blake2b_state *S)
|
|
||||||
{
|
|
||||||
S->f[0] = (u64)-1;
|
|
||||||
}
|
|
||||||
|
|
||||||
static void blake2b_increment_counter(struct blake2b_state *S, const u64 inc)
|
static void blake2b_increment_counter(struct blake2b_state *S, const u64 inc)
|
||||||
{
|
{
|
||||||
S->t[0] += inc;
|
S->t[0] += inc;
|
||||||
|
@ -231,7 +226,8 @@ static int blake2b_final(struct shash_desc *desc, u8 *out)
|
||||||
size_t i;
|
size_t i;
|
||||||
|
|
||||||
blake2b_increment_counter(state, state->buflen);
|
blake2b_increment_counter(state, state->buflen);
|
||||||
blake2b_set_lastblock(state);
|
/* Set last block */
|
||||||
|
state->f[0] = (u64)-1;
|
||||||
/* Padding */
|
/* Padding */
|
||||||
memset(state->buf + state->buflen, 0, BLAKE2B_BLOCKBYTES - state->buflen);
|
memset(state->buf + state->buflen, 0, BLAKE2B_BLOCKBYTES - state->buflen);
|
||||||
blake2b_compress(state, state->buf);
|
blake2b_compress(state, state->buf);
|
||||||
|
|
Loading…
Reference in a new issue