add more general HMAC function for JWTs

1 files changed, 17 insertions, 0 deletions

diff --git a/src/include/gnunet_crypto_lib.h b/src/include/gnunet_crypto_lib.h
index 7b69c157f..8a591fa09 100644
--- a/src/include/gnunet_crypto_lib.h
+++ b/src/include/gnunet_crypto_lib.h
@@ -726,6 +726,23 @@ GNUNET_CRYPTO_hash_context_abort (struct GNUNET_HashContext *hc);
 
 
 /**
+ * Calculate HMAC of a message (RFC 2104)
+ * TODO: Shouldn' this be the standard hmac function and
+ * the above be renamed?
+ *
+ * @param key secret key
+ * @param key_len secret key length
+ * @param plaintext input plaintext
+ * @param plaintext_len length of @a plaintext
+ * @param hmac where to store the hmac
+ */
+void
+GNUNET_CRYPTO_hmac_raw (const void *key, size_t key_len,
+                    const void *plaintext, size_t plaintext_len,
+                    struct GNUNET_HashCode *hmac);
+
+
+/**
  * @ingroup hash
  * Calculate HMAC of a message (RFC 2104)
  *