OpenSSH DSA key works but not RSA

K

kpedersen

Hi all,

For one of my servers I am having to use 8.4-RELEASE rather than 9.1-RELEASE and am wondering if the ssh provided in base lacks support for RSA keys.

If I specify DSA using the -t option in ssk-keygen then it all works, but if I miss off -t or specify RSA, then I get issues such as

Code: 
Agent admitted failure to sign using the key

If I then use ssh-add on the remote machine, it states:

Code: 
Could not open a connection to your authentication agent

If I run ssh-agent and store the variables, I can then do the add but it seems to lose it after a new session (i.e when I try to ssh in).

Am I safe to keep with DSA as a solution or is RSA preferable?

Best regards,

Karsten
 
Use the DSA keys if they work, they are arguably safer cryptographically than RSA keys all though there are no significant weaknesses found in RSA encryption as of 2013.
 
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