I tried to open crt file on different computers and I got different errors:

on Windows 7: The issuer of this certificate could not be found.
on Windows 2003: This certificate has an nonvalid digital signature.

Do anybody know how I can make the computers to "think" that
self-signed "ROOT CA" certificate is valid (trusted) and it is the
parent for "SIGNING CA"?

Thanks,
--
Tanya.

On Wed, Feb 16, 2011 at 10:19 PM,  <d...@deadhat.com> wrote:
> Yes, I used your config files.
>
> With Windows 2003 (Which is a version of Windows 2000), you don't have
> RSA2048 support, so it can't verify the signature.
>
> However if you verify the signature in openssl, it is fine, since openssl
> supports RSA2048.
>
> E.G.:
> [root@dj-desk1 ~]# openssl verify -CAfile root-ca.crt signing-ca.crt
> signing-ca.crt: OK
>
>
>
>> I use Windows 2003.
>>
>> Did you try my config files?
>>
>> Thanks,
>> --
>> Tanya.
>>
>> On Wed, Feb 16, 2011 at 8:15 PM,  <d...@deadhat.com> wrote:
>>> It worked for me.
>>>
>>> Are you using Windows XP? Except for a recent update, XP didn't support
>>> 2048 RSA.
>>>
>>> Regards,
>>> David
>>>
>>>
>>>> Hi guys,
>>>>
>>>> I have tried to configure multiple level CA structure: ROOT CA ->
>>>> SIGNING CA -> Users certificates
>>>> I use RootSSL.cnf file and these commands to generate root certificate:
>>>>       openssl genrsa -des3 -out root-ca.key 2048
>>>>       openssl req -new -x509 -days 3650 -key root-ca.key -out
>>>> root-ca.crt
>>>> -config RootSSL.cnf
>>>>
>>>> In order to generate intermediate CA I use OpenSSL.cnf file and these
>>>> commands:
>>>>       openssl genrsa -des3 -out signing-ca.key 2048
>>>>       openssl req -new -days 1095 -key signing-ca.key -out
>>>> signing-ca.csr
>>>> -config openssl.cnf
>>>>       openssl ca -config openssl.cnf -name CA_root -extensions v3_ca
>>>> -out
>>>> signing-ca.crt -infiles signing-ca.csr
>>>>
>>>> As the result I have OK root certificate, but I see error message for
>>>> signing certificate: "This certificate has an nonvalid digital
>>>> signature."
>>>>
>>>> Can somebody advise me what I do wrong?
>>>>
>>>> Thanks,
>>>> --
>>>> Tanya Lozovaya.
>>>>
>>>
>>>
>>
>>
>>
>> --
>> Tanya Lozovaya.
>>
>
>



-- 
Tanya Lozovaya.
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