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-rw-r--r--tools/rscryutil.rst7
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/rscryutil.rst b/tools/rscryutil.rst
index c546d855..dfd447d2 100644
--- a/tools/rscryutil.rst
+++ b/tools/rscryutil.rst
@@ -46,6 +46,13 @@ OPTIONS
or other meta information. Keyfiles can be generated via the
*--write-keyfile* option.
+-p, --key-program <path-to-program>
+ In this mode, the key is provided by a so-called "key program". This program
+ is executed and must return the key to (as well as some meta information)
+ via stdout. The core idea of key programs is that using this interface the
+ user can implement as complex (and secure) method to obtain keys as
+ desired, all without the need to make modifications to rsyslog.
+
-K, --key <KEY>
TESTING AID, NOT FOR PRODUCTION USE. This uses the KEY specified
on the command line. This is the actual key, and as such this mode