Variable: tramp-security-key-pin-regexp
tramp-security-key-pin-regexp is a customizable variable defined in
tramp.el.gz.
Value
"^
*\\(Enter PIN for .*\\)[\n
]*"
Documentation
Regular expression matching security key PIN prompt.
The regexp should match at end of buffer.
This variable was added, or its default value changed, in Emacs 29.3.
Source Code
;; Defined in /usr/src/emacs/lisp/net/tramp.el.gz
;; Needed only for FIDO2 (residential) keys. Tested with Nitrokey and Yubikey.
(defcustom tramp-security-key-pin-regexp
(rx bol (* "\r") (group "Enter PIN for " (* nonl)) (* (any "\r\n")))
"Regular expression matching security key PIN prompt.
The regexp should match at end of buffer."
:version "29.3"
:type 'regexp)