Corrupt KRL file when using multiple CA.

Peter Ankerstål peter at pean.org
Fri Nov 14 16:33:13 EST 2014


6.5p1

Hälsningar / regards
Peter Ankerstål

> On 14 nov 2014, at 03:34, Damien Miller <djm at mindrot.org> wrote:
> 
> What version of OpenSSH are you using? I fixed a bug in KRL generation
> a few months ago:
> 
> https://anongit.mindrot.org/openssh.git/commit/krl.c?id=2cd7929250cf9e9f658d70dcd452f529ba08c942
> 
>> On Thu, 13 Nov 2014, Peter Ankerst?l wrote:
>> 
>> Hi!
>> 
>> It seems to be a problem when I have revoked keys from multiple CAs in one KRL
>> file.
>> 
>> ssh refuses access and says:
>> Nov 13 13:32:15 q sshd[35438]: error: buffer_get_string_ptr: bad string length
>> 268032
>> Nov 13 13:32:15 q sshd[35438]: error: parse_revoked_certs: buffer error
>> Nov 13 13:32:15 q sshd[35438]: error: Invalid KRL, refusing public key
>> authentication
>> 
>> How would I revoke keys from multiple CAs then? if I put multiple RevokedKeys
>> it only considers one file.
>> 
>> The KRL is generated by:
>> ssh-keygen -k -u -f revoked_keys.bin -s ca1.pub revoked_keys1
>> ssh-keygen -k -u -f revoked_keys.bin -s ca2.pub revoked_keys2
>> 
>> 
>> revokes_keys[1-2] has the format:
>> serial: 2134
>> serial: 2343
>> serial: 2842
>> serial: 8795
> 
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