Number | Name | Date | Kind |
---|---|---|---|
4238853 | Ehrsam et al. | Dec 1980 | |
4288659 | Atalla | Sep 1981 | |
4317957 | Sendrow | Mar 1982 | |
4578530 | Zeidler | Mar 1986 | |
4630201 | White | Dec 1986 | |
4677670 | Henderson, Jr. | Jun 1987 | |
4771461 | Matyas | Sep 1988 | |
4811393 | Hazard | Mar 1989 | |
4888800 | Marshall et al. | Dec 1989 | |
4912762 | Lee et al. | Mar 1990 | |
4933969 | Marshall et al. | Jun 1990 | |
4933971 | Bestock et al. | Jun 1990 | |
4984270 | LaBounty | Jan 1991 | |
5115467 | Esserman et al. | May 1992 | |
5144664 | Esserman et al. | Sep 1992 | |
5150412 | Maru | Sep 1992 | |
5179591 | Hardy et al. | Jan 1993 | |
5230020 | Hardy et al. | Jul 1993 | |
5249230 | Mihm, Jr. | Sep 1993 | |
5323465 | Avarne | Jun 1994 | |
5341426 | Barney et al. | Aug 1994 | |
5341427 | Hardy et al. | Aug 1994 | |
5351296 | Sullivan | Sep 1994 | |
5369705 | Bird et al. | Nov 1994 | |
5381479 | Gardeck et al. | Jan 1995 | |
5384848 | Kikuchi | Jan 1995 | |
5661806 | Nevoux et al. | Aug 1997 |
Entry |
---|
Carl H. Meyer and Stephen M. Matyas; Cryptography: A New Dimension In Computer Data Security; A Guide for the Design and Implementation of Secure Systems (pp. 271-299). |
TG7: Initial DEA Key Distribution for PIN Entry and Transaction Originating Devices, Feb. 10, 1993, (pp. 1-25). |
G.P. Double, Physical Security for the IBM Transaction Security System, May 6, 1991, (pp. 1-35). |