From e7be73d5794f26c15920adbb53d3f6f31be17a22 Mon Sep 17 00:00:00 2001
From: Gilles Peskine <Gilles.Peskine@arm.com>
Date: Wed, 22 Sep 2021 14:44:28 +0200
Subject: [PATCH] Use the new macro PSA_HASH_BLOCK_LENGTH
Replace an equivalent internal function.
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
---
library/psa_crypto_mac.c | 27 ++-------------------------
1 file changed, 2 insertions(+), 25 deletions(-)
diff --git a/library/psa_crypto_mac.c b/library/psa_crypto_mac.c
index 2c079d434..7e0a8325d 100644
--- a/library/psa_crypto_mac.c
+++ b/library/psa_crypto_mac.c
@@ -42,29 +42,6 @@
#endif
#if defined(BUILTIN_ALG_HMAC)
-static size_t psa_get_hash_block_size( psa_algorithm_t alg )
-{
- switch( alg )
- {
- case PSA_ALG_MD5:
- return( 64 );
- case PSA_ALG_RIPEMD160:
- return( 64 );
- case PSA_ALG_SHA_1:
- return( 64 );
- case PSA_ALG_SHA_224:
- return( 64 );
- case PSA_ALG_SHA_256:
- return( 64 );
- case PSA_ALG_SHA_384:
- return( 128 );
- case PSA_ALG_SHA_512:
- return( 128 );
- default:
- return( 0 );
- }
-}
-
static psa_status_t psa_hmac_abort_internal(
mbedtls_psa_hmac_operation_t *hmac )
{
@@ -81,7 +58,7 @@ static psa_status_t psa_hmac_setup_internal(
uint8_t ipad[PSA_HMAC_MAX_HASH_BLOCK_SIZE];
size_t i;
size_t hash_size = PSA_HASH_LENGTH( hash_alg );
- size_t block_size = psa_get_hash_block_size( hash_alg );
+ size_t block_size = PSA_HASH_BLOCK_LENGTH( hash_alg );
psa_status_t status;
hmac->alg = hash_alg;
@@ -153,7 +130,7 @@ static psa_status_t psa_hmac_finish_internal(
uint8_t tmp[MBEDTLS_MD_MAX_SIZE];
psa_algorithm_t hash_alg = hmac->alg;
size_t hash_size = 0;
- size_t block_size = psa_get_hash_block_size( hash_alg );
+ size_t block_size = PSA_HASH_BLOCK_LENGTH( hash_alg );
psa_status_t status;
status = psa_hash_finish( &hmac->hash_ctx, tmp, sizeof( tmp ), &hash_size );