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-rw-r--r--src/shared/gcrypt-util.c40
-rw-r--r--src/shared/gcrypt-util.h24
2 files changed, 64 insertions, 0 deletions
diff --git a/src/shared/gcrypt-util.c b/src/shared/gcrypt-util.c
new file mode 100644
index 0000000000..3bbc161ef2
--- /dev/null
+++ b/src/shared/gcrypt-util.c
@@ -0,0 +1,40 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2012 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <gcrypt.h>
+
+#include "hexdecoct.h"
+#include "gcrypt-util.h"
+
+void initialize_libgcrypt(bool secmem) {
+ const char *p;
+ if (gcry_control(GCRYCTL_INITIALIZATION_FINISHED_P))
+ return;
+
+ p = gcry_check_version("1.4.5");
+ assert(p);
+
+ /* Turn off "secmem". Clients which whish to make use of this
+ * feature should initialize the library manually */
+ if (!secmem)
+ gcry_control(GCRYCTL_DISABLE_SECMEM);
+ gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);
+}
diff --git a/src/shared/gcrypt-util.h b/src/shared/gcrypt-util.h
new file mode 100644
index 0000000000..42ce3fd121
--- /dev/null
+++ b/src/shared/gcrypt-util.h
@@ -0,0 +1,24 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2016 Zbigniew Jędrzejewski-Szmek
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdbool.h>
+
+void initialize_libgcrypt(bool secmem);