Mitigating dictionary attacks on password-protected local storage
US8108683B2 · kind B2 · utility
8Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2006 |
| Grant date | Jan 31, 2012 |
| Priority date | — |
| Expiry date | Oct 13, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3226
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The invention includes a method for key creation and recovery based on solutions to puzzles solvable by humans and not computers. In some exemplary embodiments, the key is created and recovered based on the solution(s) in conjunction with the password entered by the user. The puzzle(s) is selected based on the password used by the user from a puzzle database containing multiple puzzles that is greater in number to the number of puzzles used in conjunction with a particular password.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.