Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent
1996-08-23
2000-02-01
Cain, David
Cryptography
Particular algorithmic function encoding
Nbs/des algorithm
380 4, 380 30, H04L 900
Patent
active
060212004
ABSTRACT:
The system includes a plurality of decision units, at least one verification unit, and at least one counting unit, the units being functionally and structurally separate from each other. Each decision unit includes means for producing a source information item and an identity information item, and means for enciphering this source information item in such a way as to render it essentially indecipherable by the verification unit but decipherable by the counting unit. The verification unit includes a file which includes the identities of the decision units, means for checking the identity of the decision unit from which an incoming message originates, and means for compiling an anonymous derived message which is essentially devoid of any identity information item decipherable by the counting unit. The counting unit includes means for receiving the derived messages from the verification unit, means for processing these messages to compile a statistic of the corresponding source information items, and generating a file of the statistics thus compiled.
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Electronics Letters, vol. 27, No. 11, May 23, 1991, Stevenage, GB pp. 955-957, XP000232446, Slessenger "Socially Secure Cryptographic Election Scheme" p. 956, col. 1, line 29, co. 2, line 69.
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Cain David
Shedd Robert D.
Thomson Multimedia S.A.
Tripoli Joseph S.
Wein Frederick A.
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