From: Christian Couder <christian.couder@gmail.com>
To: "brian m. carlson" <sandals@crustytoothpaste.net>
Cc: git <git@vger.kernel.org>, "Derrick Stolee" <stolee@gmail.com>,
"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>,
"Nguyen Thai Ngoc Duy" <pclouds@gmail.com>,
"SZEDER Gábor" <szeder.dev@gmail.com>
Subject: Re: [PATCH v4 10/12] Add a base implementation of SHA-256 support
Date: Sat, 27 Oct 2018 11:03:40 +0200 [thread overview]
Message-ID: <CAP8UFD3oYY=brGz1HZ67vxaRrxdwCdwNaJ9n78yJy9bUncW9pQ@mail.gmail.com> (raw)
In-Reply-To: <20181025024005.154208-11-sandals@crustytoothpaste.net>
On Thu, Oct 25, 2018 at 4:42 AM brian m. carlson
<sandals@crustytoothpaste.net> wrote:
> +static void blk_SHA256_Transform(blk_SHA256_CTX *ctx, const unsigned char *buf)
> +{
> +
> + uint32_t S[8], W[64], t0, t1;
> + int i;
> +
> + /* copy state into S */
> + for (i = 0; i < 8; i++) {
> + S[i] = ctx->state[i];
> + }
Maybe remove unnecessary brackets above and below.
> + /* copy the state into 512-bits into W[0..15] */
> + for (i = 0; i < 16; i++, buf += sizeof(uint32_t)) {
> + W[i] = get_be32(buf);
> + }
> +
> + /* fill W[16..63] */
> + for (i = 16; i < 64; i++) {
> + W[i] = gamma1(W[i - 2]) + W[i - 7] + gamma0(W[i - 15]) + W[i - 16];
> + }
[...]
> + RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],62,0xbef9a3f7);
> + RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],63,0xc67178f2);
> +
> +
Spurious new line.
> + for (i = 0; i < 8; i++) {
> + ctx->state[i] = ctx->state[i] + S[i];
> + }
Maybe remove unnecessary brackets and use "+=", like:
for (i = 0; i < 8; i++)
ctx->state[i] += S[i];
next prev parent reply other threads:[~2018-10-27 9:03 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-25 2:39 [PATCH v4 00/12] Base SHA-256 implementation brian m. carlson
2018-10-25 2:39 ` [PATCH v4 01/12] sha1-file: rename algorithm to "sha1" brian m. carlson
2018-10-25 2:39 ` [PATCH v4 02/12] sha1-file: provide functions to look up hash algorithms brian m. carlson
2018-10-25 2:39 ` [PATCH v4 03/12] hex: introduce functions to print arbitrary hashes brian m. carlson
2018-10-25 2:39 ` [PATCH v4 04/12] cache: make hashcmp and hasheq work with larger hashes brian m. carlson
2018-10-25 2:39 ` [PATCH v4 05/12] t: add basic tests for our SHA-1 implementation brian m. carlson
2018-10-25 2:39 ` [PATCH v4 06/12] t: make the sha1 test-tool helper generic brian m. carlson
2018-10-25 2:40 ` [PATCH v4 07/12] sha1-file: add a constant for hash block size brian m. carlson
2018-10-25 2:40 ` [PATCH v4 08/12] t/helper: add a test helper to compute hash speed brian m. carlson
2018-10-25 2:40 ` [PATCH v4 09/12] commit-graph: convert to using the_hash_algo brian m. carlson
2018-10-25 2:40 ` [PATCH v4 10/12] Add a base implementation of SHA-256 support brian m. carlson
2018-10-25 3:02 ` Carlo Arenas
2018-10-28 15:52 ` brian m. carlson
2018-10-29 0:39 ` Junio C Hamano
2018-10-31 22:55 ` brian m. carlson
2018-11-01 5:29 ` Junio C Hamano
2018-10-27 9:03 ` Christian Couder [this message]
2018-10-25 2:40 ` [PATCH v4 11/12] sha256: add an SHA-256 implementation using libgcrypt brian m. carlson
2018-10-25 2:40 ` [PATCH v4 12/12] hash: add an SHA-256 implementation using OpenSSL brian m. carlson
2018-11-04 23:44 ` [PATCH v5 00/12] Base SHA-256 implementation brian m. carlson
2018-11-04 23:44 ` [PATCH v5 01/12] sha1-file: rename algorithm to "sha1" brian m. carlson
2018-11-05 7:21 ` Ævar Arnfjörð Bjarmason
2018-11-04 23:44 ` [PATCH v5 02/12] sha1-file: provide functions to look up hash algorithms brian m. carlson
2018-11-13 18:42 ` Derrick Stolee
2018-11-13 18:45 ` Duy Nguyen
2018-11-14 1:01 ` brian m. carlson
2018-11-14 0:11 ` Ramsay Jones
2018-11-14 0:42 ` Ramsay Jones
2018-11-14 0:51 ` Jeff King
2018-11-14 2:11 ` brian m. carlson
2018-11-14 3:53 ` Ramsay Jones
2018-11-04 23:44 ` [PATCH v5 03/12] hex: introduce functions to print arbitrary hashes brian m. carlson
2018-11-04 23:44 ` [PATCH v5 04/12] cache: make hashcmp and hasheq work with larger hashes brian m. carlson
2018-11-04 23:44 ` [PATCH v5 05/12] t: add basic tests for our SHA-1 implementation brian m. carlson
2018-11-04 23:44 ` [PATCH v5 06/12] t: make the sha1 test-tool helper generic brian m. carlson
2018-11-04 23:44 ` [PATCH v5 07/12] sha1-file: add a constant for hash block size brian m. carlson
2018-11-04 23:44 ` [PATCH v5 08/12] t/helper: add a test helper to compute hash speed brian m. carlson
2018-11-04 23:44 ` [PATCH v5 09/12] commit-graph: convert to using the_hash_algo brian m. carlson
2018-11-04 23:44 ` [PATCH v5 10/12] Add a base implementation of SHA-256 support brian m. carlson
2018-11-05 11:39 ` Ævar Arnfjörð Bjarmason
2018-11-07 1:30 ` brian m. carlson
2018-11-10 15:52 ` Ævar Arnfjörð Bjarmason
2018-11-04 23:44 ` [PATCH v5 11/12] sha256: add an SHA-256 implementation using libgcrypt brian m. carlson
2018-11-04 23:44 ` [PATCH v5 12/12] hash: add an SHA-256 implementation using OpenSSL brian m. carlson
2018-11-05 2:45 ` [PATCH v5 00/12] Base SHA-256 implementation Junio C Hamano
2018-11-14 4:09 ` [PATCH v6 " brian m. carlson
2018-11-14 4:09 ` [PATCH v6 01/12] sha1-file: rename algorithm to "sha1" brian m. carlson
2018-11-14 4:09 ` [PATCH v6 02/12] sha1-file: provide functions to look up hash algorithms brian m. carlson
2018-11-14 4:09 ` [PATCH v6 03/12] hex: introduce functions to print arbitrary hashes brian m. carlson
2018-11-14 4:09 ` [PATCH v6 04/12] cache: make hashcmp and hasheq work with larger hashes brian m. carlson
2018-11-14 4:09 ` [PATCH v6 05/12] t: add basic tests for our SHA-1 implementation brian m. carlson
2018-11-14 4:09 ` [PATCH v6 06/12] t: make the sha1 test-tool helper generic brian m. carlson
2018-11-14 4:09 ` [PATCH v6 07/12] sha1-file: add a constant for hash block size brian m. carlson
2018-11-14 4:09 ` [PATCH v6 08/12] t/helper: add a test helper to compute hash speed brian m. carlson
2018-11-14 4:09 ` [PATCH v6 09/12] commit-graph: convert to using the_hash_algo brian m. carlson
2018-11-14 4:09 ` [PATCH v6 10/12] Add a base implementation of SHA-256 support brian m. carlson
2018-11-14 4:09 ` [PATCH v6 11/12] sha256: add an SHA-256 implementation using libgcrypt brian m. carlson
2018-11-14 4:09 ` [PATCH v6 12/12] hash: add an SHA-256 implementation using OpenSSL brian m. carlson
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