New macro PSA_ALG_AEAD_WITH_DEFAULT_TAG_LENGTH
Useful to analyze algorithm values.
@@ -913,6 +913,24 @@ typedef uint32_t psa_algorithm_t;
((tag_length) << PSA_AEAD_TAG_LENGTH_OFFSET & \
PSA_ALG_AEAD_TAG_LENGTH_MASK))
+/** Calculate the corresponding AEAD algorithm with the default tag length.
+ *
+ * \param alg An AEAD algorithm (\c PSA_ALG_XXX value such that
+ * #PSA_ALG_IS_AEAD(\p alg) is true).
+ *
+ * \return The corresponding AEAD algorithm with the default tag length
+ * for that algorithm.
+ */
+#define PSA_ALG_AEAD_WITH_DEFAULT_TAG_LENGTH(alg) \
+ ( \
+ PSA__ALG_AEAD_WITH_DEFAULT_TAG_LENGTH__CASE(alg, PSA_ALG_CCM) \
+ PSA__ALG_AEAD_WITH_DEFAULT_TAG_LENGTH__CASE(alg, PSA_ALG_GCM) \
+ 0)
+#define PSA__ALG_AEAD_WITH_DEFAULT_TAG_LENGTH__CASE(alg, ref) \
+ PSA_ALG_AEAD_WITH_TAG_LENGTH(alg, 0) == \
+ PSA_ALG_AEAD_WITH_TAG_LENGTH(ref, 0) ? \
+ ref :
+
#define PSA_ALG_RSA_PKCS1V15_SIGN_BASE ((psa_algorithm_t)0x10020000)
/** RSA PKCS#1 v1.5 signature with hashing.
*
