Utilization of a protected module to prevent offline dictionary attacks
US9294281B2 · kind B2 · utility
6Cited by
4References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 10, 2012 |
| Grant date | Mar 22, 2016 |
| Priority date | — |
| Expiry date | Feb 10, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2221/2115
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Various technologies pertaining to authenticating a password in a manner that prevents offline dictionary attacks are described. A protected module, which can be a hardware security module, a trusted platform module, or the like, is in communication with an authentication server. The protected module comprises a key that is restricted to the protected module. The key is employed in connection with authenticating the password on the protected module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.