add token issue sig helper

2 files changed, 34 insertions, 0 deletions

diff --git a/src/util/Makefile.am b/src/util/Makefile.am
index d2504588b..897a821b1 100644
--- a/src/util/Makefile.am
+++ b/src/util/Makefile.am
@@ -102,6 +102,7 @@ libtalerutil_la_SOURCES = \
   payto.c \
   secmod_signatures.c \
   taler_error_codes.c \
+  tokens.c \
   url.c \
   util.c \
   wallet_signatures.c \
diff --git a/src/util/tokens.c b/src/util/tokens.c
new file mode 100644
index 000000000..61fe40501
--- /dev/null
+++ b/src/util/tokens.c
@@ -0,0 +1,33 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2024 Taler Systems SA
+
+  TALER is free software; you can redistribute it and/or modify it under the
+  terms of the GNU General Public License as published by the Free Software
+  Foundation; either version 3, or (at your option) any later version.
+
+  TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License along with
+  TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file tokens.c
+ * @brief token family utility functions
+ * @author Christian Blättler
+ */
+#include "platform.h"
+#include "taler_util.h"
+
+
+void
+TALER_token_issue_sig_free (struct TALER_TokenIssueSignature *issue_sig)
+{
+  if (NULL != issue_sig->signature)
+  {
+    GNUNET_CRYPTO_unblinded_sig_decref (issue_sig->signature);
+    issue_sig->signature = NULL;
+  }
+}