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crypto: x86/nhpoly1305 - implement ->digest 

Implement the ->digest method to improve performance on single-page
messages by reducing the number of indirect calls.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
pull/318/merge
Eric Biggers 2023-10-09 22:59:46 -07:00 committed by Herbert Xu
parent ddefde7b2a
commit 796b06f5c9
2 changed files with 18 additions and 0 deletions
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9
arch/x86/crypto/nhpoly1305-avx2-glue.c
View File

@ -34,6 +34,14 @@ static int nhpoly1305_avx2_update(struct shash_desc *desc,
return 0; return 0;
} }
static int nhpoly1305_avx2_digest(struct shash_desc *desc,
const u8 *src, unsigned int srclen, u8 *out)
{
return crypto_nhpoly1305_init(desc) ?:
nhpoly1305_avx2_update(desc, src, srclen) ?:
crypto_nhpoly1305_final(desc, out);
}
static struct shash_alg nhpoly1305_alg = { static struct shash_alg nhpoly1305_alg = {
.base.cra_name = "nhpoly1305", .base.cra_name = "nhpoly1305",
.base.cra_driver_name = "nhpoly1305-avx2", .base.cra_driver_name = "nhpoly1305-avx2",
@ -44,6 +52,7 @@ static struct shash_alg nhpoly1305_alg = {
.init = crypto_nhpoly1305_init, .init = crypto_nhpoly1305_init,
.update = nhpoly1305_avx2_update, .update = nhpoly1305_avx2_update,
.final = crypto_nhpoly1305_final, .final = crypto_nhpoly1305_final,
.digest = nhpoly1305_avx2_digest,
.setkey = crypto_nhpoly1305_setkey, .setkey = crypto_nhpoly1305_setkey,
.descsize = sizeof(struct nhpoly1305_state), .descsize = sizeof(struct nhpoly1305_state),
}; };

9
arch/x86/crypto/nhpoly1305-sse2-glue.c
View File

@ -34,6 +34,14 @@ static int nhpoly1305_sse2_update(struct shash_desc *desc,
return 0; return 0;
} }
static int nhpoly1305_sse2_digest(struct shash_desc *desc,
const u8 *src, unsigned int srclen, u8 *out)
{
return crypto_nhpoly1305_init(desc) ?:
nhpoly1305_sse2_update(desc, src, srclen) ?:
crypto_nhpoly1305_final(desc, out);
}
static struct shash_alg nhpoly1305_alg = { static struct shash_alg nhpoly1305_alg = {
.base.cra_name = "nhpoly1305", .base.cra_name = "nhpoly1305",
.base.cra_driver_name = "nhpoly1305-sse2", .base.cra_driver_name = "nhpoly1305-sse2",
@ -44,6 +52,7 @@ static struct shash_alg nhpoly1305_alg = {
.init = crypto_nhpoly1305_init, .init = crypto_nhpoly1305_init,
.update = nhpoly1305_sse2_update, .update = nhpoly1305_sse2_update,
.final = crypto_nhpoly1305_final, .final = crypto_nhpoly1305_final,
.digest = nhpoly1305_sse2_digest,
.setkey = crypto_nhpoly1305_setkey, .setkey = crypto_nhpoly1305_setkey,
.descsize = sizeof(struct nhpoly1305_state), .descsize = sizeof(struct nhpoly1305_state),
}; };