---------- Post updated at 02:45 PM ---------- Previous update was at 02:27 PM ----------
Actually what I was supposed to get was something like this:
Code:
[root@server keyreq]# openssl req -newkey rsa:1024 -keyout server.pf.key -out req.pem
Generating a 1024 bit RSA private key
..++++++
.........++++++
writing new private key to 'server.pf.key'
Enter PEM pass phrase: ENTER A PASSPHRASE
Verifying - Enter PEM pass phrase: ENTER PASSPHRASE AGAIN
-----
I got nothing, it didn't create the files or ask me anything.
I tried it again and received an error:
Code:
openssl req -newkey rsa:1024 -keyout server.pf.key -out req.pem
ld.so.1: openssl: fatal: libssl.so.0.9.7: open failed: No such file or directory
Killed
Moderator's Comments:
use code tags!
Last edited by DukeNuke2; 12-29-2010 at 05:08 PM..
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Discussion started by: umen
7 Replies
LEARN ABOUT CENTOS
amcrypt-ossl-asym
AMCRYPT-OSSL-ASYM(8) System Administration Commands AMCRYPT-OSSL-ASYM(8)NAME
amcrypt-ossl-asym - crypt program for Amanda asymmetric data encryption using OpenSSL
SYNOPSIS
amcrypt-ossl-asym [-d]
DESCRIPTION
amcrypt-ossl-asym uses OpenSSL to encrypt and decrypt data. OpenSSL is available from www.openssl.org. OpenSSL offers a wide variety of
cipher choices ( amcrypt-ossl-asym defaults to 256-bit AES) and can use hardware cryptographic accelerators on several platforms.
amcrypt-ossl-asym will search for the OpenSSL program in the following directories:
/bin:/usr/bin:/usr/local/bin:/usr/ssl/bin:/usr/local/ssl/bin.
GENERATING PUBLIC AND PRIVATE KEYS
RSA keys can be generated with the standard OpenSSL commands, e.g.:
$ cd /var/lib/amanda
$ openssl genrsa -aes128 -out backup-privkey.pem 1024
Generating RSA private key, 1024 bit long modulus
[...]
Enter pass phrase for backup-privkey.pem: ENTER YOUR PASS PHRASE
Verifying - Enter pass phrase for backup-key.pem: ENTER YOUR PASS PHRASE
$ openssl rsa -in backup-privkey.pem -pubout -out backup-pubkey.pem
Enter pass phrase for backup-privkey.pem: ENTER YOUR PASS PHRASE
Writing RSA key
To generate a private key without a passphrase, omit the -aes128 option. See openssl_genrsa(1) for more key generation options.
Note that it is always possible to generate the public key from the private key.
KEY AND PASSPHRASE MANAGEMENT
amcrypt-ossl-asym uses the public key to encrypt data. The security of the data does not depend on the confidentiality of the public key.
The private key is used to decrypt data, and must be protected. Encrypted backup data cannot be recovered without the private key. The
private key may optionally be encrypted with a passphrase.
While the public key must be online at all times to perorm backups, the private key and optional passphrase are only needed to restore
data. It is recommended that the latter be stored offline all other times. For example, you could keep the private key on removable media,
and copy it into place for a restore; or you could keep the private key online, encrypted with a passphrase that is present only for a
restore.
OpenSSL's key derivation routines use a salt to guard against dictionary attacks on the pass phrase; still it is important to pick a pass
phrase that is hard to guess. The Diceware method (see www.diceware.com) can be used to create passphrases that are difficult to guess and
easy to remember.
FILES
/var/lib/amanda/backup-privkey.pem
File containing the RSA private key. It should not be readable by any user other than the Amanda user.
/var/lib/amanda/backup-pubkey.pem
File containing the RSA public key.
/var/lib/amanda/.am_passphrase
File containing the passphrase. It should not be readable by any user other than the Amanda user.
SEE ALSO amanda(8), amanda.conf(5), openssl(1), amcrypt-ossl(8)
The Amanda Wiki: : http://wiki.zmanda.com/
AUTHOR
Kevin Till <kevin.till@zmanda.com>
Zmanda, Inc. (http://www.zmanda.com)
NOTES
1. www.openssl.org
http://www.openssl.org/
2. www.diceware.com
http://www.diceware.com/
Amanda 3.3.3 01/10/2013 AMCRYPT-OSSL-ASYM(8)
12-29-2010
