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-rw-r--r--raddb/mods-available/totp45
1 files changed, 43 insertions, 2 deletions
diff --git a/raddb/mods-available/totp b/raddb/mods-available/totp
index 695365f..a68a317 100644
--- a/raddb/mods-available/totp
+++ b/raddb/mods-available/totp
@@ -13,6 +13,12 @@
#
# &control:TOTP-Secret
#
+# Any "bare" key should be placed into:
+#
+# &control:TOTP-Key
+#
+# If TOTP-Key exists, then it will be used instead of TOTP-Secret.
+#
# The TOTP password entered by the user should be placed into:
#
# &request:TOTP-Password
@@ -32,9 +38,44 @@
# https://linux.die.net/man/1/qrencode
#
# and then run that locally to get an image.
-#
#
-# The module takes no configuration items.
+#
+# Some tokens get severely out of sync with local time. It is
+# possible to offset the definition of "now" for one token by setting:
+#
+# &control:TOTP-Time-Offset := 120
+#
+# This is a signed integer, with allowed values between -600 to +600.
+# The offset is added to to the current time, to get the tokens idea
+# of "now".
#
totp {
+ #
+ # Default time step between time changes
+ #
+ time_step = 30
+
+ #
+ # Length of the one-time password.
+ #
+ # Must be 6 or 8
+ #
+ otp_length = 6
+
+ #
+ # How many steps backward in time we look for a matching OTP
+ #
+ lookback_steps = 1
+
+ #
+ # How many steps forward in time we look for a matching OTP
+ #
+ lookforward_steps = 0
+
+ #
+ # Time delta between steps.
+ #
+ # Cannot be larger than time_step
+ #
+ lookback_interval = 30
}