Slide 11 of 22
Notes:
The PKI infrastructure using X.509 certificates is hierarchical. There is a chain of trust that exists from the certificate authority deep within the structure up to the root level certificate authority.
Commercial browsers are preconfigured to trust root certificate authorities of vendors such as Verisign and Entrust. The UCOP root level authority is not preconfigured into standard browsers and it is not recognized by any of the Cas that are preconfigur
