Number | Name | Date | Kind |
---|---|---|---|
3602881 | Bayne et al. | Aug 1971 | |
4303904 | Chasek | Dec 1981 | |
4338587 | Chiappetti | Jul 1982 | |
4471216 | Herve | Sep 1984 | |
4549075 | Saada et al. | Oct 1985 | |
4555618 | Riskin | Nov 1985 | |
4791283 | Burkhardt | Dec 1988 | |
4795898 | Bernstein et al. | Jan 1989 | |
4798322 | Bernstein et al. | Jan 1989 | |
4849615 | Mollet | Jul 1989 | |
4870419 | Baldwin et al. | Sep 1989 | |
4870604 | Tatsuno | Sep 1989 | |
4899036 | McCrindle et al. | Feb 1990 | |
4963723 | Masada | Oct 1990 | |
4963887 | Kawashima et al. | Oct 1990 | |
4977501 | Lefevre | Dec 1990 | |
5086389 | Hassett et al. | Feb 1992 | |
5109152 | Takagi et al. | Apr 1992 | |
5144553 | Hassett et al. | Sep 1992 | |
5163098 | Dahbura | Nov 1992 | |
5193114 | Moseley | Mar 1993 |
Number | Date | Country |
---|---|---|
2247096 | Feb 1992 | GBX |
Entry |
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Federal Information Processing Standards Publication 46, Jan. 15, 1977, Specifications for the Data Encryption Standard. |