nettle-meta: Expose defined MACs through nettle_macsmove-nettle_mac

Based on patches by Daiki Ueno.

1 files changed, 7 insertions, 0 deletions

diff --git a/nettle-meta.h b/nettle-meta.h
index d5a009f4..5d86615f 100644
--- a/nettle-meta.h
+++ b/nettle-meta.h
@@ -267,6 +267,13 @@ extern const struct nettle_armor nettle_base16;
   (nettle_hash_digest_func *) name##_digest,	\
 }
 
+/* null-terminated list of macs implemented by this
+   version of nettle */
+const struct nettle_mac * const * _NETTLE_ATTRIBUTE_PURE
+nettle_get_macs (void);
+
+#define nettle_macs (nettle_get_macs())
+
 extern const struct nettle_mac nettle_cmac_aes128;
 extern const struct nettle_mac nettle_cmac_aes256;