Cryptography – Communication system using cryptography
Reexamination Certificate
2006-10-24
2006-10-24
Jung, David (Department: 2134)
Cryptography
Communication system using cryptography
C380S281000, C380S282000
Reexamination Certificate
active
07127067
ABSTRACT:
Patch servers, patch clients and corresponding methods are provided that may increase secret protection and key loss tolerance. A patch server includes a first key generation platform and a second key generation platform different from the first one. A first and second private key group containing a plurality of first or second private keys, respectively, is generated using the first or second key generation platform, respectively. One of the first private keys is selected from the first private key group, and one of the second private keys is selected from the second private key group. A first digital signature is generated based on the patch and the first selected private key. A second digital signature is generated based on the patch and the second selected private key. The patch is transmitted to the patch client together with the first and second digital signatures.
REFERENCES:
Key management for large scale end-to-end encryption; Witzke, E.L.; Pierson, L.G.; Security Technology, 1994. Proceedings. Institute of Electrical and Electronics Engineers 28th Annual 1994 International Carnahan Conference on Oct. 12-14, 1994 pp. 76-79.
On the security of a digital signature with message recovery using self-certified public key Jianhong Zhang; Hu'an Li; Wireless Communications, Networking and Mobile Computing, 2005. Proceedings. 2005 International Conference on vol. 2, Sep. 23-26, 2005 pp. 1171-1174.
Digital signatures and public key cryptosystems with multilayer perceptrons Yee, L.P.; De Silva, L.C.; Neural Information Processing, 2002. ICONIP '02. Proceedings of the 9th International Conference on vol. 5, Nov. 18-22, 2002 pp. 2308-2311 vol. 5.
Findeisen Ralf
Schuecke Frank
Wachtler Axel
Advanced Micro Devices , Inc.
Jung David
Kivlin B. Noäl
Meyertons Hood Kivlin Kowert & Goetzel P.C.
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