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-rw-r--r--doc/scdaemon.texi11
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/scdaemon.texi b/doc/scdaemon.texi
index 9184ce202..200fed890 100644
--- a/doc/scdaemon.texi
+++ b/doc/scdaemon.texi
@@ -181,6 +181,8 @@ write hashed data to files named @code{dbgmd-000*}
trace Assuan protocol. See also option @option{--debug-assuan-log-cats}.
@item 11 (2048)
trace APDU I/O to the card. This may reveal sensitive data.
+@item 12 (4096)
+trace some card reader related function calls.
@end table
@item --debug-all
@@ -327,6 +329,7 @@ stripping off the two leading dashes.
* DINSIG Card:: The DINSIG card application
* PKCS#15 Card:: The PKCS#15 card application
* Geldkarte Card:: The Geldkarte application
+* Undefined Card:: The Undefined stub application
@end menu
@node OpenPGP Card
@@ -367,6 +370,14 @@ This is a simple application to display information of a German
Geldkarte. The Geldkarte is a small amount debit card application which
comes with almost all German banking cards.
+@node Undefined Card
+@subsection The Undefined card application ``undefined''
+
+This is a stub application to allow the use of the APDU command even
+if no supported application is found on the card. This application is
+not used automatically but must be explicitly requested using the
+SERIALNO command.
+
@c *******************************************
@c *************** ****************