Inventor

HANNA STEPHEN R

US46 patents

⚠️ This page may combine multiple inventors who share the name “HANNA STEPHEN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HANNA STEPHEN R

SUN MICROSYSTEMS INC

Method and apparatus for using non-secure file servers for secure information storage

Method and system for providing limited access privileges with an untrusted terminal

Method and apparatus for multicast indication of group key change

Methods and systems for establishing a shared secret using an authentication token

Method and apparatus for providing a key distribution center without storing long-term server secrets

Replacing an email attachment with an address specifying where the attachment is stored

Method and apparatus for sending encrypted electronic mail through a distribution list exploder

Method and system for measuring reception characteristics in a multicast data distribution group

Content screening with end-to-end encryption

Detecting congestion by comparing successive loss of packets in windows to provide congestion control in reliable multicast protocol

Dynamic optimization for receivers using distance between a repair head and a member station in a repair group for receivers having a closely knit topological arrangement to locate repair heads near the member stations which they serve in tree based repair in reliable multicast protocol

Multiple ACK windows providing congestion control in reliable multicast protocol

System and method for deriving an appropriate initialization vector for secure communications

Trust ratings in group credentials

Method and system for dynamic issuance of group certificates

Method and apparatus for presenting anonymous group names

Authentication system and process

Data authentication system employing encrypted integrity blocks

Signed group criteria

Determination of distance between nodes in a computer network

System and method facilitating determination by router nodes in a network of ranges of addresses for which each router node is responsible

Method and system for proving membership in a nested group using chains of credentials

Method ans system for pro-active credential refreshing

Extensible system for building and evaluating credentials

Inexpensive secure on-line certification authority system and method

Use of beacon message in a network for classifying and discarding messages

Content screening with end-to-end encryption prior to reaching a destination

Content screening with end-to-end encryption within a firewall

Method and apparatus for routing and congestion control in multicast networks

Method and apparatus using ranking to select repair nodes in formation of a dynamic tree for multicast repair

Method and apparatus for routing and congestion control in multicast networks

Repair TTL computation and correction mechanism to perform localized repairs in a multicast data distribution setup/framework

Method and apparatus for using ranking to select repair nodes in formation of a dynamic tree for multicast repair

JUNIPER NETWORKS INC

Policy evaluation in controlled environment

Network policy evaluation

Network policy evaluation

Detecting past intrusions and attacks based on historical network traffic information

Policy evaluation in controlled environment

Combining network endpoint policy results

Server-to-server integrity checking

Detecting past intrusions and attacks based on historical network traffic information

Combining network endpoint policy results

HANNA STEPHEN R

Verifying integrity of network devices for secure multicast communications

Maintaining user identity associated with access to network resources using virtual machines

Exchange of network access control information using tightly-constrained network access control protocols

Automatic hardware-based recovery of a compromised computer