Number | Name | Date | Kind |
---|---|---|---|
4218738 | Matyas et al. | Aug 1980 | |
4223403 | Kinheim et al. | Sep 1980 | |
4227253 | Ehrsam et al. | Oct 1980 | |
4386233 | Smid et al. | Aug 1983 | |
4500750 | Elander et al. | Feb 1985 | |
4503287 | Morris et al. | Mar 1985 | |
4578530 | Zeidler | Mar 1986 | |
4683968 | Applebaum et al. | Aug 1987 | |
4723283 | Nasagawa et al. | Feb 1988 | |
4723284 | Munek et al. | Feb 1988 | |
4850017 | Matyas et al. | Jul 1989 |
Entry |
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R. W. Jones, "Some Techniques for Handling Encipherment Keys," ICL Technical Journal, Nov. 1982, pp. 175-188. |
D. W. Davies et al., "Security for Computer Networks," John Wiley & Sons, New York, 1984, Sec. 6.5, pp. 168-172. |