2
votes
0answers
57 views

Is there a tool like dm-crypt/luks using RSA encryption?

Is there a library/tool available for linux, similar to dm-crypt/LUKS using RSA encryption instead of symmetric ciphers? I want the "public side" to only be able to create these volumes, and the ...
1
vote
1answer
32 views

OpenSSH client refuses to use a new key file

After generating a new ssh private key (id_rsa) on one server and distributing it across a server network, one server is failing to use the new key, and falls back to password authentication instead. ...
1
vote
2answers
123 views

How do you create an AES XTS key?

I am interested in hacking around with Gluster cloud FS whose most recent beta uses AES with XTS only. It also requires openssl >= 1.0.1. The 1.0.1f Jan 2014 openssl (with 64 bit lib) install for my ...
0
votes
1answer
39 views

Why would one want to tag the computer where a key pair was made in a public key?

While trying to give an host a bit more of security, i decided to switch to SSH key's authentication. To do so i followed this guide, but something makes no sense in my mind. While the host is the ...
2
votes
0answers
95 views

How to decrypt a message sent via Pidgin-Encryption?

A friend sent me an offline Google Talk message that was encrypted via Pidgin-Encryption. It didn't appear in my Pidgin logs because I wasn't logged in when it was sent, but I do have the encrypted ...
2
votes
2answers
331 views

SSH Using Wrong ID

I am trying to establish password-less ssh to myself on a CentOS6 system. I go through the following steps: ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa cat ~/.ssh/id_dsa.pub >> ...
0
votes
1answer
191 views

How to show (for copy&paste) a secret GPG/PGP key without creating a file

I need to access my secret GPG/PGP key to copy/paste it into another application. How do I show my secret key without generating too much traces of it? I only know of the export command to gpg (or ...
1
vote
1answer
145 views

SSH rsa key works with external IP not internal IP

I am using rackspace cloud hosting. I have 2 servers behind a load balancer. Each server has an external IP and an internal IP. I want to setup a sync job that uses SSH to transfer files. I made ...
1
vote
1answer
821 views

gpg: import failure key xxxxxxxx: no valid user IDs

i am getting this error while importing a public key on gpg (GnuPG) 1.4.2 gpg: armor header: Version: GnuPG v2.0.14 (GNU/Linux) gpg: pub xxxxx/xxxxxxxx 2012-05-25 abcd xyz <email@address.com> ...
2
votes
4answers
562 views

Encrypt tar file asymmetrically

I want to achieve something like tar -c directory | openssl foo > encrypted_tarfile.dat I need the openssl tool to use public key encryption. I found an earlier question about symmetric ...
6
votes
5answers
11k views

How to generate a public/private key (UNIX)

Can some one please tell me, for using SSH, why does a host also need to have a public and private key? And how can I generate a public/private key pair for myself?