02-28-2008
In a nutshell;
ssh-keygen creates 2 keys, one private, one public (.pub)
The public key goes to the server you want to log on to without using a passwd.
The private key is the key that stays in the server you connect from and needs to be matched by the pub key.
Is there a reason why you want to use 2 commands (sftp, put) instead of one (scp)?
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LEARN ABOUT CENTOS
ldns-keygen
ldns-keygen(1) 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 or hmac-sha256. 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.
-v Show the version and exit
AUTHOR
Written by the ldns team as an example for ldns usage.
REPORTING BUGS
Report bugs to <ldns-team@nlnetlabs.nl>.
COPYRIGHT
Copyright (C) 2005-2008 NLnet Labs. This is free software. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
27 May 2008 ldns-keygen(1)