[v2 3/7] examples/fips_validation: add function to calculate SHA hash size

[Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>]

Add function to calculate hash size for a given SHA hash algorithm.

Fixes: d5c247145c2 ("examples/fips_validation: add parsing for SHA")

Signed-off-by: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
Acked-by: Brian Dooley <brian.dooley@intel.com>

---
v2:
 - fixed include file
---
 examples/fips_validation/fips_validation.h    |  1 +
 .../fips_validation/fips_validation_sha.c     | 39 ++++++++++++-------
 2 files changed, 25 insertions(+), 15 deletions(-)

diff --git a/examples/fips_validation/fips_validation.h b/examples/fips_validation/fips_validation.h
index a6288e17e5..6e5f2fce75 100644
--- a/examples/fips_validation/fips_validation.h
+++ b/examples/fips_validation/fips_validation.h
@@ -374,4 +374,5 @@ int prepare_gcm_xform(struct rte_crypto_sym_xform *xform);
 
 int prepare_gmac_xform(struct rte_crypto_sym_xform *xform);
 
+int parse_test_sha_hash_size(enum rte_crypto_auth_algorithm algo);
 #endif
diff --git a/examples/fips_validation/fips_validation_sha.c b/examples/fips_validation/fips_validation_sha.c
index 75b073c15d..cac2a25e6c 100644
--- a/examples/fips_validation/fips_validation_sha.c
+++ b/examples/fips_validation/fips_validation_sha.c
@@ -33,6 +33,22 @@ struct plain_hash_size_conversion {
 		{"64", RTE_CRYPTO_AUTH_SHA512},
 };
 
+int
+parse_test_sha_hash_size(enum rte_crypto_auth_algorithm algo)
+{
+	int ret = -EINVAL;
+	uint8_t i;
+
+	for (i = 0; i < RTE_DIM(phsc); i++) {
+		if (phsc[i].algo == algo) {
+			ret = atoi(phsc[i].str);
+			break;
+		}
+	}
+
+	return ret;
+}
+
 static int
 parse_interim_algo(__rte_unused const char *key,
 		char *text,
@@ -212,6 +228,7 @@ parse_test_sha_json_algorithm(void)
 	json_t *algorithm_object;
 	const char *algorithm_str;
 	uint32_t i;
+	int sz;
 
 	algorithm_object = json_object_get(json_info.json_vector_set, "algorithm");
 	algorithm_str = json_string_value(algorithm_object);
@@ -226,23 +243,15 @@ parse_test_sha_json_algorithm(void)
 	if (i == RTE_DIM(json_algorithms))
 		return -1;
 
-	for (i = 0; i < RTE_DIM(phsc); i++) {
-		if (info.interim_info.sha_data.algo == phsc[i].algo) {
-			vec.cipher_auth.digest.len = atoi(phsc[i].str);
-			free(vec.cipher_auth.digest.val);
-			vec.cipher_auth.digest.val = calloc(1, vec.cipher_auth.digest.len);
-			if (vec.cipher_auth.digest.val == NULL)
-				return -1;
-
-			break;
-		}
-	}
+	sz = parse_test_sha_hash_size(info.interim_info.sha_data.algo);
+	if (sz < 0)
+		return -1;
 
-	if (i == RTE_DIM(phsc)) {
-		free(vec.cipher_auth.digest.val);
-		vec.cipher_auth.digest.val = NULL;
+	free(vec.cipher_auth.digest.val);
+	vec.cipher_auth.digest.len = sz;
+	vec.cipher_auth.digest.val = calloc(1, sz);
+	if (vec.cipher_auth.digest.val == NULL)
 		return -1;
-	}
 
 	return 0;
 }
-- 
2.25.1