Re: certificate chain and root CA question

2006-03-19 Thread michael Dorrian
Thank you both for your very helpful replies.Now i have tested a so called valid subCA. In my root CA and subCA configuration files(seperate configuration files) i have basic constraints set to "CA:True" exactly the same as the root certificate. But when i loaded my subCA which was signed by my roo

Re: certificate chain and root CA question

2006-03-17 Thread Dr. Stephen Henson
On Fri, Mar 17, 2006, Olaf Gellert wrote: > Dr. Stephen Henson wrote: > > On Fri, Mar 17, 2006, michael Dorrian wrote: > > > >> 1. Can a CA signed by the root CA act as a trusted CA itself?. > > > > Provided the root CA permits this... > > Actually I think: not. It seems to be impossible > to

Re: certificate chain and root CA question

2006-03-17 Thread Olaf Gellert
Olaf Gellert wrote: > This matters in cases, where a certificate hierarchy > has different CAs (eg operated by different organisations). > Right now it seems impossible to me to tell openca: === Typo, I meant "openssl". Olaf Gellert -- Dipl.Info

Re: certificate chain and root CA question

2006-03-17 Thread Olaf Gellert
Dr. Stephen Henson wrote: > On Fri, Mar 17, 2006, michael Dorrian wrote: > >> 1. Can a CA signed by the root CA act as a trusted CA itself?. > > Provided the root CA permits this... Actually I think: not. It seems to be impossible to evaluate a certificate only up to a subCA, openssl always re

Re: certificate chain and root CA question

2006-03-17 Thread Dr. Stephen Henson
On Fri, Mar 17, 2006, michael Dorrian wrote: > 1. Can a CA signed by the root CA act as a trusted CA itself?. Provided the root CA permits this... > 2. How does the certificate chain stop another client who has a > certificate signed by the same root authority as you acting as a trusted >

certificate chain and root CA question

2006-03-17 Thread michael Dorrian
The root CA can sign another CA. So you can have as many CA's as you like. But when the root sign another CA why can't that CA act as a trusted CA. For example i made my root CA then i created another server CA which i had signed by the root CA. I tried to load the Server CA cert as my trusted CA c