Add missing PSA_ALG_NONE macro.
Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
diff --git a/include/psa/crypto_values.h b/include/psa/crypto_values.h
index 526b454..9ce8b68 100644
--- a/include/psa/crypto_values.h
+++ b/include/psa/crypto_values.h
@@ -847,6 +847,9 @@
(PSA_ALG_IS_KEY_DERIVATION(alg) && \
(alg) & PSA_ALG_KEY_DERIVATION_STRETCHING_FLAG)
+/** An invalid algorithm identifier value. */
+#define PSA_ALG_NONE ((psa_algorithm_t)0)
+
#define PSA_ALG_HASH_MASK ((psa_algorithm_t)0x000000ff)
/** MD5 */
#define PSA_ALG_MD5 ((psa_algorithm_t)0x02000003)