05-22-2007
The key pair should not 'stop working'. If a previously working key-based authentication has stopped working, it is probably the result of some file/directory permissions change rather than a corruption of the key-pair.
You could always try generating a new key-pair, but there is a good chance that it won't work either.
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LEARN ABOUT SUSE
dnssec-revoke
DNSSEC-REVOKE(8) BIND9 DNSSEC-REVOKE(8)
NAME
dnssec-revoke - Set the REVOKED bit on a DNSSEC key
SYNOPSIS
dnssec-revoke [-hr] [-v level] [-K directory] [-E engine] [-f] {keyfile}
DESCRIPTION
dnssec-revoke reads a DNSSEC key file, sets the REVOKED bit on the key as defined in RFC 5011, and creates a new pair of key files
containing the now-revoked key.
OPTIONS
-h
Emit usage message and exit.
-K directory
Sets the directory in which the key files are to reside.
-r
After writing the new keyset files remove the original keyset files.
-v level
Sets the debugging level.
-E engine
Use the given OpenSSL engine. When compiled with PKCS#11 support it defaults to pkcs11; the empty name resets it to no engine.
-f
Force overwrite: Causes dnssec-revoke to write the new key pair even if a file already exists matching the algorithm and key ID of the
revoked key.
SEE ALSO
dnssec-keygen(8), BIND 9 Administrator Reference Manual, RFC 5011.
AUTHOR
Internet Systems Consortium
COPYRIGHT
Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC")
BIND9 June 1, 2009 DNSSEC-REVOKE(8)