Password protection

Details Password protection Password protection

2004-11-17

2009-10-13

Smithers, Matthew B (Department: 2437)

Cryptography

Key management

Having particular key generator

Reexamination Certificate

active

07602910

ABSTRACT:
Systems and methods for password protection are described. In one aspect, an asymmetric key pair is deterministically formed by combining a password and other data. The public key of the asymmetric key pair is exported to an external device. The private key of the asymmetric key pair is used to effect subsequent authentications to the external device.

REFERENCES:
patent: 2003/0149666 (2003-08-01), Davies
patent: 2003/0154376 (2003-08-01), Hwangbo
patent: 2004/0030901 (2004-02-01), Wheeler et al.
patent: 2005/0120205 (2005-06-01), Umezawa et al.
patent: 0752636 (1997-01-01), None
Bellovin et al., “Ecrypted Key Exchange: Password-Based Protocols Secure Against Dictionary Attacks”, Proceedings of the Computer Society Symposium on Research in Security and Privacy. Oakland, May 4-6, 1992, Los Alamitos, IEEE Comp. Soc. Press, US, vol. Symp. 13, pp. 72-84.
Wu, T. “The SRP Authentication and Key Exchange System” Sep. 2000, pp. 1-8.

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