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-rw-r--r--src/journal/fsprg.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/journal/fsprg.c b/src/journal/fsprg.c
index 6817a629c8..dd9a242561 100644
--- a/src/journal/fsprg.c
+++ b/src/journal/fsprg.c
@@ -19,7 +19,13 @@
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
+ */
+
+/*
+ * See "Practical Secure Logging: Seekable Sequential Key Generators"
+ * by G. A. Marson, B. Poettering for details:
*
+ * http://eprint.iacr.org/2013/397
*/
#include <gcrypt.h>