Secure method for secret key cryptographic calculation and...

Details Secure method for secret key cryptographic calculation and... Secure method for secret key cryptographic calculation and...

2008-07-15

2008-07-15

Truong, Thanhnga B (Department: 2135)

Cryptography

Particular algorithmic function encoding

C380S037000, C380S043000, C380S044000, C380S255000, C380S282000, C713S153000, C713S185000

Reexamination Certificate

active

07400723

ABSTRACT:
A secured method of cryptographic computation to generate output data from input data and from a secret key includes a derived key scheduling step to provide a derived key from the secret key according to a known key scheduling operation. The method also includes a masking step, performed before the derived key scheduling step, to mask the secret key so that the derived scheduled key is different at each implementation of the method. The present method and component can be used in transfer type applications, such as bank type applications.

REFERENCES:
patent: 5949884 (1999-09-01), Adams et al.
patent: 6064740 (2000-05-01), Curiger et al.
patent: 7000111 (2006-02-01), Dent et al.
patent: 198 22 217 (1999-11-01), None
patent: 1 109 350 (2001-06-01), None
patent: 2000-066585 (2000-03-01), None
patent: 99/48239 (1999-09-01), None
patent: 99/67919 (1999-12-01), None
patent: 2000-54454 (2000-09-01), None

Affiliated with

Also associated with

Rating

Secure method for secret key cryptographic calculation and... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Secure method for secret key cryptographic calculation and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Secure method for secret key cryptographic calculation and... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2793183