pk: minor code fixes/enhancements
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/library/pk.c b/library/pk.c
index cccadb1..8e42b8d 100644
--- a/library/pk.c
+++ b/library/pk.c
@@ -912,7 +912,6 @@
#else /* !MBEDTLS_ECP_LIGHT && !MBEDTLS_RSA_C */
#if defined(MBEDTLS_ECP_LIGHT)
if (mbedtls_pk_get_type(pk) == MBEDTLS_PK_ECKEY) {
- unsigned char d[MBEDTLS_ECP_MAX_BYTES];
size_t d_len;
psa_ecc_family_t curve_id;
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
@@ -922,6 +921,7 @@
/* export the private key material in the format PSA wants */
#if defined(MBEDTLS_PK_USE_PSA_EC_DATA)
+ unsigned char d[MBEDTLS_PSA_MAX_EC_KEY_PAIR_LENGTH];
status = psa_export_key(pk->priv_id, d, sizeof(d), &d_len);
if (status != PSA_SUCCESS) {
return psa_pk_status_to_mbedtls(status);
@@ -930,6 +930,7 @@
curve_id = pk->ec_family;
bits = pk->ec_bits;
#else /* MBEDTLS_PK_USE_PSA_EC_DATA */
+ unsigned char d[MBEDTLS_ECP_MAX_BYTES];
mbedtls_ecp_keypair *ec = mbedtls_pk_ec_rw(*pk);
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;