PGP Web of Trust: Core Concepts Behind Trusted Communication
Feb 09, 2014, 22:00 (0 Talkback[s])
Public Key Cryptography infrastructure (PKI) has two main implementations. One is done using certificates and certificate authorities (CAs), and is described in the X.509 standard. It is best suited for structured organizational hierarchies with an implicitly trusted authority that vouches for all issued certificates. It's the standard that is behind SSL/TLS and S/MIME email encryption.