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-rw-r--r--lib/algorithms.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/algorithms.h b/lib/algorithms.h
index 9cdb3abf7a..7a051b6365 100644
--- a/lib/algorithms.h
+++ b/lib/algorithms.h
@@ -174,11 +174,24 @@ inline static int _gnutls_mac_get_key_size(const mac_entry_st * e)
return e->key_size;
}
+inline static gnutls_digest_algorithm_t
+_gnutls_mac_to_dig(gnutls_mac_algorithm_t mac)
+{
+ if (unlikely(mac >= GNUTLS_MAC_AEAD))
+ return GNUTLS_DIG_UNKNOWN;
+
+ return (gnutls_digest_algorithm_t)mac;
+}
+
+#define MAC_TO_DIG(mac) _gnutls_mac_to_dig(mac)
+
/* Functions for digests. */
#define _gnutls_x509_digest_to_oid _gnutls_x509_mac_to_oid
#define _gnutls_digest_get_name _gnutls_mac_get_name
#define _gnutls_hash_get_algo_len _gnutls_mac_get_algo_len
+#define DIG_TO_MAC(dig) (gnutls_mac_algorithm_t)(dig)
+
/* Security against pre-image attacks */
inline static int _gnutls_digest_is_secure(const mac_entry_st * e)
{