Number | Name | Date | Kind |
---|---|---|---|
3938091 | Atalla et al. | Feb 1976 | |
3956615 | Anderson et al. | May 1976 | |
3958081 | Ehrsam et al. | May 1976 | |
3985998 | Crafton | Oct 1976 | |
4004089 | Richard et al. | Jan 1977 | |
4025760 | Trenkamp | May 1977 | |
4120030 | Johnstone | Oct 1978 |
Entry |
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"Instructions for Cryptography Feature for Data Security", IBM Technical Disclosure Bulletin, vol. 19, No. 7, Dec. 1976, pp. 2644-2645, Author: Guyette. |
"Conference Record, 11th Asilomar Conference on Circuits, Systems and Computers", Nov. 1977, IEEE Computer Society, Cryptographic Protection of Information in Communication Networks, Hellman, pp. 204-207. |