Re: Derving the root CA's cert from a given SSL cert

2005-06-02 Thread Joseph Oreste Bruni
No (with qualifications). If the server sends you the entire certificate chain, then yes you can retrieve the root certificate since it was sent to you. If the server only sends you it's certificate, then all you have is the server's pubic key digitally signed by the issuer. The issuer's

Derving the root CA's cert from a given SSL cert

2005-06-01 Thread Davy Durham
Hi, I was wondering if it's possible to derive (or extract?) the root CA's cert from an given SSL cert using openssl. What I mean by root CA's cert is the certficate that would be installed in a browsers list of trusted CAs. For instance if I have an SSL certificate signed by verisign, I