SSH connection hang after upgrade

[Ben Lindstrom]

There is a difference between a RSA1 key (RSA for ssh v1 protocol) and an 
RSA key (RSA for ssh v2 protocol).  So that has nothing to do with what 
you are seeing.

- Ben

On Fri, 20 Jun 2008, John DeStefano wrote:

> Hello,
>
> Any help, please?  Could this possibly be a bug with 'portable'
> OpenSSH 5.0p_1 on Mac OS X 10.5.3?  I don't understand why the daemon
> is saying my private key is "Not a RSA1 key file" when it _is_ a valid
> RSA key file ... or why the daemon is trying to read the private key
> in the first place: as long as the SSH Agent is working properly,
> shouldn't it be the _public_ key it looks for?
>
> Thanks,
> ~John
>
> On Jun 18, 2008, at 6:16 PM, John DeStefano wrote:
>
>> I recently had to upgrade my version of OpenSSH from 4.7 to 5.0p1 on
>> my
>> MacBook (Darwin). I installed the latest 'portable' tarball and
>> removed the system version:
>> $ ssh -V
>> OpenSSH_5.0p1, OpenSSL 0.9.7l 28 Sep 2006
>> $ which ssh
>> /usr/bin/ssh
>>
>> sshd is the same version, installed in /usr/sbin/sshd. Now, things are
>> a bit broken: I am able to ssh from another machine into my MacBook,
>> so the server (sshd) is working, but the outgoing client (ssh) hangs
>> indefinitely on connect. ssh-add also hangs on any operation. ssh-
>> agent shows:
>> SSH_AUTH_SOCK=/tmp/ssh-35xNGanxBs/agent.2282; export SSH_AUTH_SOCK;
>> SSH_AGENT_PID=2283; export SSH_AGENT_PID;
>> echo Agent pid 2283;
>>
>> The interesting bits from an 'ssh -vvv localhost' session are:
>> ...
>> debug3: Not a RSA1 key file /Users/jd/.ssh/id_rsa.
>> debug2: key_type_from_name: unknown key type '-----BEGIN'
>> debug3: key_read: missing keytype
>> debug2: key_type_from_name: unknown key type 'Proc-Type:'
>> debug3: key_read: missing keytype
>> debug2: key_type_from_name: unknown key type 'DEK-Info:'
>> debug3: key_read: missing keytype
>> debug3: key_read: missing whitespace
>> ...
>> debug3: key_read: missing whitespace
>> debug2: key_type_from_name: unknown key type '-----END'
>> debug3: key_read: missing keytype
>>
>> The ssh connection attempt just hangs and sits at:
>> ...
>> debug2: service_accept: ssh-userauth
>> debug1: SSH2_MSG_SERVICE_ACCEPT received
>>
>> I don't know why the error 'Not a RSA1 key file' comes up, as my
>> private key (id_rsa) remains unchanged and begins:
>> -----BEGIN RSA PRIVATE KEY-----
>> Proc-Type: 4,ENCRYPTED
>> DEK-Info: DES-EDE3-CBC,...
>>
>> Other points of interest:
>> 'ssh-keygen -B' correctly identifies my private key and returns what
>> appears to be a valid bubble-babble digest, beginning with '1024 ...'
>> 'ssh-keygen -l' correctly identifies my private key and returns what
>> appears to be a valid fingerprint, beginning with '1024 ...'
>> 'ssh-keygen -y' correctly identifies my private key, asks for my
>> pass phrase, and returns my public key, beginning with 'ssh-rsa ...'
>> I haven't knowingly enabled any RSA-related settings in sshd_config,
>> and HostKey remains commented out.
>>
>> Any thoughts on what may be wrong, whether this is a bug or
>> something I've screwed up, or what else I can try?
>>
>> Thanks,
>> ~John
>
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