diff options
| author | Ingo Molnar <mingo@kernel.org> | 2020-02-05 08:44:22 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-02-05 08:44:22 +0100 |
| commit | fdff7c21ea00787e3f70a1a00b40b88eb998c6ad (patch) | |
| tree | 03016a8375e849e2c39dec8a15d660055bb16a8c /crypto/poly1305_generic.c | |
| parent | f1ec3a517b4352e78dbef6b1e591f43202ecb3fe (diff) | |
| parent | b3a6082223369203d7e7db7e81253ac761377644 (diff) | |
Merge branch 'linus' into perf/urgent, to synchronize with upstream
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'crypto/poly1305_generic.c')
| -rw-r--r-- | crypto/poly1305_generic.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/crypto/poly1305_generic.c b/crypto/poly1305_generic.c index 21edbd8c99fb..94af47eb6fa6 100644 --- a/crypto/poly1305_generic.c +++ b/crypto/poly1305_generic.c @@ -31,6 +31,29 @@ static int crypto_poly1305_init(struct shash_desc *desc) return 0; } +static unsigned int crypto_poly1305_setdesckey(struct poly1305_desc_ctx *dctx, + const u8 *src, unsigned int srclen) +{ + if (!dctx->sset) { + if (!dctx->rset && srclen >= POLY1305_BLOCK_SIZE) { + poly1305_core_setkey(&dctx->core_r, src); + src += POLY1305_BLOCK_SIZE; + srclen -= POLY1305_BLOCK_SIZE; + dctx->rset = 2; + } + if (srclen >= POLY1305_BLOCK_SIZE) { + dctx->s[0] = get_unaligned_le32(src + 0); + dctx->s[1] = get_unaligned_le32(src + 4); + dctx->s[2] = get_unaligned_le32(src + 8); + dctx->s[3] = get_unaligned_le32(src + 12); + src += POLY1305_BLOCK_SIZE; + srclen -= POLY1305_BLOCK_SIZE; + dctx->sset = true; + } + } + return srclen; +} + static void poly1305_blocks(struct poly1305_desc_ctx *dctx, const u8 *src, unsigned int srclen) { @@ -42,7 +65,7 @@ static void poly1305_blocks(struct poly1305_desc_ctx *dctx, const u8 *src, srclen = datalen; } - poly1305_core_blocks(&dctx->h, dctx->r, src, + poly1305_core_blocks(&dctx->h, &dctx->core_r, src, srclen / POLY1305_BLOCK_SIZE, 1); } |