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ldns-keygen(1) FreeBSD General Commands Manual ldns-keygen(1) NAME ldns-keygen - generate a DNSSEC key pair SYNOPSIS ldns-keygen [ OPTION ] DOMAIN DESCRIPTION ldns-keygen is used to generate a private/public keypair. When run, it will create 3 files; a .key file with the public DNSKEY, a .private file with the private keydata and a .ds with the DS record of the DNSKEY record. ldns-keygen can also be used to create symmetric keys (for TSIG) by selecting the appropriate algorithm: hmac-md5.sig-alg.reg.int, hmac- sha1, hmac-sha224, hmac-sha256, hmac-sha384 or hmac-sha512. In that case no DS record will be created and no .ds file. ldns-keygen prints the basename for the key files: K<name>+<alg>+<id> OPTIONS -a <algorithm> Create a key with this algorithm. Specifying 'list' here gives a list of supported algorithms. Several alias names are also accepted (from older versions and other software), the list gives names from the RFC. Also the plain algo number is accepted. -b <bits> Use this many bits for the key length. -k When given, generate a key signing key. This just sets the flag field to 257 instead of 256 in the DNSKEY RR in the .key file. -r device Make ldns-keygen use this file to seed the random generator with. This will default to /dev/random. -s ldns-keygen will create symbolic links named .private to the new generated private key, .key to the public DNSKEY and .ds to the file containing DS record data. -f force symlinks to be overwritten if they exist. -v Show the version and exit AUTHOR Written by the ldns team as an example for ldns usage. warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 27 May 2008 ldns-keygen(1)