Generation of keys of variable length from cryptographic tables
US10979221B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 31, 2018 |
| Grant date | Apr 13, 2021 |
| Priority date | — |
| Expiry date | Dec 7, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2463/082
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A cryptographic infrastructure, which provides a method for generating private keys of variable length from a cryptographic table and a public key. This infrastructure provides an approximation of the one-time pad scheme. The cryptographic table is shared between a message sender and a message recipient by a secure transfer. After sharing the cryptographic table, no new private keys need to be sent—the private keys are independently generated by each party from the data contained within the shared cryptographic tables, using the public key. After public keys are exchanged, private keys may be generated and used to encrypt and decrypt messages and perform authentication cycles, establishing a secure communication environment between the sender and the recipient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.