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-rw-r--r--modules/pam_timestamp/README3
1 files changed, 3 insertions, 0 deletions
diff --git a/modules/pam_timestamp/README b/modules/pam_timestamp/README
index 4f16bae0..e1ed508a 100644
--- a/modules/pam_timestamp/README
+++ b/modules/pam_timestamp/README
@@ -13,6 +13,9 @@ created in the timestampdir directory for the user. When an application
attempts to authenticate the user, a pam_timestamp will treat a sufficiently
recent timestamp file as grounds for succeeding.
+The default encryption hash is taken from the HMAC_CRYPTO_ALGO variable from /
+etc/login.defs.
+
OPTIONS
timestampdir=directory