Hello everyone, today I had to recover a single keypair from backup, it was fairly easy but not the kind of thing you want to figure out in a pickle. so here is the log. I also have a version with comments in Dutch that I will mail out if anybody cares. Please be carefull if you use this, the document below was not intended for publication and contains a lot of assumptions about our environment.
Most information came from: - https://wiki.opendnssec.org/display/DOCS/Migrating+to+OpenDNSSEC - https://svn.opendnssec.org/trunk/softHSM/README Our situation - we use softhsm (dnssec-softhsm_12-11-17.bak) - we use the mysql-backend of ODS (dnssec-sql_12-11-17.bak) - the domain is example.com 1. Create temporary mysql database from backup $ mysqladmin -u debian-sys-maint -p create odstemp $ echo "GRANT ALL ON odstemp.* to 'opendnssec'@'localhost';" | mysql -u debian-sys-maint -p odstemp $ mysql -u debian-sys-maint -p odstemp < dnssec-sql_12-11-17.bak 2. Search the key info mysql> SELECT HSMkey_id,active,retire FROM keypairs,dnsseckeys,zones WHERE keypairs.id=dnsseckeys.keypair_id AND dnsseckeys.zone_id=zones.id AND keytype=257 AND zones.name='example.com'; +----------------------------------+---------------------+---------------------+ | HSMkey_id | active | retire | +----------------------------------+---------------------+---------------------+ | d4aeef65b2ce3b1c0f5192778ad40b0c | 2012-02-22 14:49:44 | 2013-02-21 14:49:44 | +----------------------------------+---------------------+---------------------+ 3. Create temporary SoftHSM $ sqlite3 softhsm.db "PRAGMA user_version = 100;" $ sqlite3 softhsm.db < dnssec-softhsm_12-11-17.bak $ echo 0:$PWD/softhsm.db > softhsm.conf $ export SOFTHSM_CONF=$PWD/softhsm.conf 4. Export keypair from temporary SoftHSM $ softhsm --export example.com.zsk.pem --slot 0 --pin <pincode> --id d4aeef65b2ce3b1c0f5192778ad40b0c 5. Import keypair into running softhsm with a _new_ ID # export SOFTHSM_CONF=/etc/softhsm/softhsm.conf # softhsm --import example.com.zsk.pem --slot 0 --label "recovered example.com" --id 00000065b2ce3b1c0f5192778ad40b0c --pin <pincode> 6. Import keypair into OpenDNSSEC # ods-ksmutil key import --cka_id 00000065b2ce3b1c0f5192778ad40b0c --repository LocalHSM --zone example.com \ --bits 2048 --algorithm 8 --keystate ACTIVE --keytype ksk --time "2012-02-22 14:49:44" --retire "2013-02-21 14:49:44" 7. Sign zone with imported key # ods-signer sign example.com -- Casper Gielen <[email protected]> | LIS UNIX PGP fingerprint = 16BD 2C9F 8156 C242 F981 63B8 2214 083C F80E 4AF7 Universiteit van Tilburg | Postbus 90153, 5000 LE Warandelaan 2 | Telefoon 013 466 4100 | G 236 | http://www.uvt.nl _______________________________________________ Opendnssec-user mailing list [email protected] https://lists.opendnssec.org/mailman/listinfo/opendnssec-user
