Add missing PSA_ALG_NONE macro.
(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)
