Data processing system and method for maintaining secure user private keys in non-secure storage
US6959390B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 3, 1999 |
| Grant date | Oct 25, 2005 |
| Priority date | — |
| Expiry date | Mar 3, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/0894
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A data processing system and method are disclosed for maintaining secure user private keys in a non-secure storage device. A master key pair is established for the system. The master key pair includes a master private key and a master public key. The master key pair is stored in a protected storage device. A unique user key pair is established for each user. The user key pair includes a user private key and a user public key. The user private key is encrypted utilizing the master public key. The encrypted user private key is stored in the non-secure storage device, wherein the encrypted user private key is secure while stored in the non-secure storage device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.