Inventor

KAUFMAN CHARLES W

US61 patents

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

KAUFMAN CHARLES W

DIGITAL EQUIPMENT CORP

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

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

Method and apparatus for protecting the confidentiality of passwords in a distributed data processing system

Method and apparatus for protecting the confidentiality of passwords in a distributed data processing system

Method for delegating authorization from one entity to another through the use of session encryption keys

Method for performing group exclusion in hierarchical group structures

Method for utilizing an encrypted key as a key identifier in a data packet in a computer network

Transparent load sharing for parallel networks

Method of neighbor discovery over a multiaccess nonbroadcast medium

Secure method of neighbor discovery over a multiaccess medium

Probabilistic cryptographic processing method

Updating link state information in networks

Encryption with selective disclosure of protocol identifiers

Generic encryption technique for communication networks

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

Method and apparatus for nodes in network to avoid shrinkage of an interframe gap

IBM

System for controlling access to encrypted data files by a plurality of users

Removable media for password based authentication in a distributed system

Method and apparatus for controlling access to encrypted data files in a computer system

Method and apparatus for password based authentication in a distributed system

System and method for downloading security context elements governing execution of downloadable and distributable agents

Method for providing single sign-on user names for Web cookies in a multiple user information directory environment

Secure remote password validation

Secure remote password validation

EMC IP HOLDING CO LLC

Incremental data validation

Crypto-erasure resilient to network outage

Prioritizing patching of vulnerable components

Secure, low-cost, privacy-preserving biometric card

Client-side compression

Protection of secret client data in a multiple client data deduplication environment

Secure data deduplication with smaller hash values

DIGITAL EQUIPMENT CORP PATENT

Message encryption using a hash function

System for increasing the difficulty of password guessing attacks in a distributed authentication scheme employing authentication tokens

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

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

ARCH CHEM INC

Non-spherical and non-platelet crystalline forms of pyrithione salts

Non-spherical and non-platelet forms of pyrithione salts and methods of making same

Chemical method of making a suspension, emulsion or dispersion of pyrithione particles

Chemical method of making a suspension, emulsion or dispersion of pyrithione particles

MICROSOFT CORP

System and method for compact form exhaustive analysis of security policies

Protecting a computer that provides a Web service from malware

Application security model

OLIN CORP

Process for preparing copper pyrithione

Process for preparing copper pyrithione

LOTUS DEV CORP

Method and apparatus for establishing a protected channel between a user and a computer system

LOTUS DEV COPORATION

Differential work factor cryptography method and system

CABLETRON SYSTEMS INC

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

EMC CORP

Crypto-erasure resilient to network outage

DELL PRODUCTS LP

Safe use of legacy digital signatures in a post-quantum world

MARCUS JANE B

Method and system for providing single sign-on user names for web cookies in a multiple user information directory environment