-forgot to add prototype

1 files changed, 10 insertions, 0 deletions

diff --git a/src/include/gnunet_crypto_lib.h b/src/include/gnunet_crypto_lib.h
index b2ec83739..6dc56f0e4 100644
--- a/src/include/gnunet_crypto_lib.h
+++ b/src/include/gnunet_crypto_lib.h
@@ -708,6 +708,16 @@ GNUNET_CRYPTO_hash_context_start (void);
 
 
 /**
+ * Make a copy of the hash computation.
+ *
+ * @param hc hash context to use (to continue hashing independently)
+ * @return copy of @a hc
+ */
+struct GNUNET_HashContext *
+GNUNET_CRYPTO_hash_context_copy (const struct GNUNET_HashContext *hc);
+
+
+/**
  * Add data to be hashed.
  *
  * @param hc cumulative hash context