Charles W. Kaufman

Router using multiple hop redirect messages to enable bridge like data forwarding

Method of issuance and revocation of certificates of authenticity used in public key networks and other systems

Transparent load sharing for parallel networks

Updating link state information in networks

Method of neighbor discovery over a multiaccess nonbroadcast medium

Message encryption using a hash function

Secure method of neighbor discovery over a multiaccess medium

Architecture for maintaining the sequence of packet cells transmitted over a multicast, cell-switched network

Method and apparatus for selective interleaving in a cell-switched network

Method of deriving a per-message signature for a DSS or El Gamal encryption system