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authorEric Biggers <ebiggers@google.com>2023-10-09 22:59:44 -0700
committerHerbert Xu <herbert@gondor.apana.org.au>2023-10-20 13:39:25 +0800
commit5f929b4e6906cc245ddfa9b94cf6666af5062900 (patch)
tree541db4883b09d0d5bdd82ae1d1f8233eacf92b33 /arch/arm
parentdadf5e56c967a095213f664135784bf770eb96ab (diff)
crypto: arm/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>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/crypto/nhpoly1305-neon-glue.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/crypto/nhpoly1305-neon-glue.c b/arch/arm/crypto/nhpoly1305-neon-glue.c
index e93e41ff2656..62cf7ccdde73 100644
--- a/arch/arm/crypto/nhpoly1305-neon-glue.c
+++ b/arch/arm/crypto/nhpoly1305-neon-glue.c
@@ -34,6 +34,14 @@ static int nhpoly1305_neon_update(struct shash_desc *desc,
return 0;
}
+static int nhpoly1305_neon_digest(struct shash_desc *desc,
+ const u8 *src, unsigned int srclen, u8 *out)
+{
+ return crypto_nhpoly1305_init(desc) ?:
+ nhpoly1305_neon_update(desc, src, srclen) ?:
+ crypto_nhpoly1305_final(desc, out);
+}
+
static struct shash_alg nhpoly1305_alg = {
.base.cra_name = "nhpoly1305",
.base.cra_driver_name = "nhpoly1305-neon",
@@ -44,6 +52,7 @@ static struct shash_alg nhpoly1305_alg = {
.init = crypto_nhpoly1305_init,
.update = nhpoly1305_neon_update,
.final = crypto_nhpoly1305_final,
+ .digest = nhpoly1305_neon_digest,
.setkey = crypto_nhpoly1305_setkey,
.descsize = sizeof(struct nhpoly1305_state),
};