Cryptography – Key management – Having particular key generator
Reexamination Certificate
2005-05-31
2005-05-31
Peeso, Thomas R. (Department: 2131)
Cryptography
Key management
Having particular key generator
C380S045000, C380S047000, C380S277000, C380S286000, C713S165000, C713S168000, C713S171000, C713S152000
Reexamination Certificate
active
06901145
ABSTRACT:
A repeatable cryptographic key is generated based on varying parameters which represent physical measurements. Locations within a share table, which locations store valid and invalid cryptographic shares, are identified as a function of received varying parameters. The share table is configured such that locations which are expected to be identified by legitimate access attempts contain valid cryptographic shares, and locations which are not expected to be identified by legitimate access attempts contain invalid cryptographic shares. The share table configuration may be modified based on prior history of legitimate access attempts. In various embodiments, the stored shares may be encrypted or compressed. A keystroke feature authentication embodiment uses the inventive techniques to implement an authentication system which authenticates based on an entered password and the manner in which (e.g. keystroke dynamics) the keystroke is entered. Another embodiment uses the inventive techniques to protect sensitive database information which is accessible using DNA measurements.
REFERENCES:
patent: 4805222 (1989-02-01), Young et al.
patent: 4876725 (1989-10-01), Tomko
patent: 5369707 (1994-11-01), Follendore, III
patent: 5541994 (1996-07-01), Tomko et al.
patent: 5557346 (1996-09-01), Lipner et al.
patent: 5557686 (1996-09-01), Brown et al.
patent: 5625692 (1997-04-01), Herzberg et al.
patent: 5680460 (1997-10-01), Tomko et al.
patent: 5712912 (1998-01-01), Tomko et al.
patent: 5737420 (1998-04-01), Tomko
patent: 5740276 (1998-04-01), Tomko et al.
patent: 5761330 (1998-06-01), Stoianov et al.
patent: 5790668 (1998-08-01), Tomko
patent: 5802175 (1998-09-01), Kara
patent: 5832091 (1998-11-01), Tomko et al.
patent: 5991408 (1999-11-01), Pearson et al.
patent: 6035042 (2000-03-01), Mittenthal
patent: 6317834 (2001-11-01), Gennaro et al.
patent: WO 9605673 (1996-02-01), None
Mytec Technologies Inc., Mytec: Biometrics, downloaded from Internet website http://www.mytec.com/biometrics/ on Nov. 1, 1999.
Mytec Technologies Inc., Mytec: Products—Mytec Gateway, downloaded from Internet website http:// www.mytec.com/products/gateway on Nov. 1, 1999.
Mytec Technologies Inc., Mytec: Why Mytec, downloaded from Internet website http://www.mytec.com/whymytec.htm on Nov. 1, 1999.
Mytec Technolgies Inc., Mytec: Mytec: Products—Touchstone Pro, downloaded from Internet website http//:www.mytec.com/products/touchstone on Nov. 1, 1999.
BIOPassword, Net Nanny Software International Inc. 1994-1998, Bellevue, WA USA, pp. 2-9, 1-3.
F. Monrose, M.K. Reiter, and S. Wetzel, “Password hardening based on keystroke dynamics,”Proceedings of the 6thACM Conference on Computer and Communications Security, Nov. 1999, pp. 73-82.
C. Soutar and G.J. Tomko; “Secure Private Key Generation Using a Fingerprint,” Cardtech/Securetech Conference Proceedings, vol. 1, May 1996, pp. 245-252.
European Patent Search Report, Application No. 00302540.0-1237-, The Hague, Jun. 5, 2002.
Shamir, A.,How to Share a Secret, Communications of the ACM, vol. 22, No. 11, Nov., 1979, pp. 612-613.
Davida, G. I:, et al:,On Enabling Secure Applications Through Off-line Biometric Identification, IEEE, 1998, pp. 148-157.
Monrose, F. et al:,Password Hardening Based on Keystroke Dynamics, ACM, 1999, pp. 73-82.
Bohannon Philip L.
Jakobsson Bjorn Markus
Monrose Fabian
Reiter Michael Kendrick
Wetzel Susanne Gudrun
Dinella Donald P.
Lucent Technologies - Inc.
Peeso Thomas R.
Weinick Jeffrey
Zia Syed A.
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