Inventor

HARRISON KEITH ALEXANDER

GB39 patents

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

HARRISON KEITH ALEXANDER

HEWLETT PACKARD DEVELOPMENT CO

Privacy management of personal data

Method and apparatus for data validation

Apparatus for credential authorisation

Tamper-evident/tamper-resistant electronic components

Quantum key distribution method and apparatus

Method and apparatus for encrypting/decrypting data using timed-release keys

Data authentication

Secure transaction method and transaction terminal for use in implementing such method

Physical items for holding data securely, and methods and apparatus for publishing and reading them

Tamper-evident and/or tamper-resistant electronic components

Pharmaceutical product packaging

Security method and apparatus using biometric data

Cryptographic method and apparatus

Cryptographic method and apparatus

Method and apparatus for encrypting data

Method of managing one-time pad data and device implementing this method

Use of bilinear mappings in cryptographic applications

Digital document storage

Information storage

Method and apparatus for use in relation to verifying an association between two parties

Method and apparatus for generating a cryptographic key

Software installation and operation with random selection

Nullification of malicious code by data file transformation

Cryptographic method and apparatus

Method and product for sharing logged data objects within a distributed storage system

Credential transfer method and apparatus including sender-derived index

RSA cryptographic method and system

Method and apparatus for securely transferring data

Communication and authentication of a composite credential utilizing obfuscation

Secure physical documents, and methods and apparatus for publishing and reading them

Cryptographic method and apparatus

HARRISON KEITH ALEXANDER

Method and device using one-time pad data

Quantum key distribution apparatus and method

Device with multiple one-time pads and method of managing such a device

HEWLETT PACKARD CO

Event-processing system and method of constructing such a system

Method and apparatus for encrypting data

TOFTS CHRISTOPHER

Method of provisioning devices with one-time pad data, device for use in such method, and service usage tracking based on one-time pad data

CHEN LIQUN

Identifier-based signcryption with two trusted authorities

GOH CHEH

Data output method, system and apparatus