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Hi Jeff,
I have a client that needs to create a Single Level Self Signed 
Certificate on the i5 for communicating with an FTP SSL host. The 
host system requires a single certificate that contains the 
Certificate Authority and Client Application.
Interesting.  Why do they care whether it's single-level or not?  Seems
like a strange requirement.
After speaking with IBM support, I was informed that the i5 can not
do this.
That's not exactly true.  I may be picking nits with your phrasing, 
here, but...  The Digital Certificate Manager in i5/OS cannot do what 
you ask.  However, it's not the i5 itself, but the DCM that has this 
limitation.
You could create the certificate on an i5 using OpenSSL.
So it's not a limitation with the i5 -- it's a limitation with a 
particular software package, the digital certificate manager. 
Unfortunately, since pretty much all software for i5/OS is based on the 
DCM, this puts you in a bit of a bind.
Here's what I don't know:  If you generate a self-signed single level 
certificate via OpenSSL and import it into the DCM, will standard i5/OS 
applications (which are based on the DCM) work?  Or do you have to use 
an OpenSSL-based application for it to work?
In other words, is the limitation only related to generating 
certificates, or does it apply to using existing certificates as well?
If all else fails, you could probably do the whole she-bang in PASE, and 
bypass the DCM.
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