Fix a compilation warning in pk.c when PSA is enabled and RSA is disabled
It isn't detected on the CI because we only test this with an ancient Clang
that doesn't warn. Old GCC, modern GCC and modern Clang do
warn (-Wunused-but-set-variable).
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/library/pk.c b/library/pk.c
index c29318d..84af773 100644
--- a/library/pk.c
+++ b/library/pk.c
@@ -868,7 +868,6 @@
psa_status_t status;
psa_key_attributes_t key_attr = PSA_KEY_ATTRIBUTES_INIT;
psa_key_type_t key_type;
- psa_algorithm_t alg_type;
size_t key_bits;
/* Use a buffer size large enough to contain either a key pair or public key. */
unsigned char exp_key[PSA_EXPORT_KEY_PAIR_OR_PUBLIC_MAX_SIZE];
@@ -899,7 +898,6 @@
key_type = PSA_KEY_TYPE_PUBLIC_KEY_OF_KEY_PAIR(key_type);
}
key_bits = psa_get_key_bits(&key_attr);
- alg_type = psa_get_key_algorithm(&key_attr);
#if defined(MBEDTLS_RSA_C)
if ((key_type == PSA_KEY_TYPE_RSA_KEY_PAIR) ||
@@ -919,6 +917,7 @@
goto exit;
}
+ psa_algorithm_t alg_type = psa_get_key_algorithm(&key_attr);
mbedtls_md_type_t md_type = MBEDTLS_MD_NONE;
if (PSA_ALG_GET_HASH(alg_type) != PSA_ALG_ANY_HASH) {
md_type = mbedtls_md_type_from_psa_alg(alg_type);