Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2011-07-12
2011-07-12
Dinh, Minh (Department: 2432)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C380S251000, C713S189000
Reexamination Certificate
active
07979713
ABSTRACT:
Methods and arrangements are provided for handling, within a communications system comprising a distributed domain and a central domain, electronic records that contain predictions of the outcome of a certain incident. Within the distributed domain there is generated, before the outcome of the incident is known, a multitude of electronic records that contain predictions of the outcome of the incident. The electronic records are conveyed from the distributed domain to the central domain. After the outcome of the incident is known, the central domain finds out which of the electronic records, if any, contain correct predictions of the outcome of the incident. Each of the electronic records is furnished, within the distributed domain, with a cryptographically protected proof of a certain moment of time associated with the generation of the electronic record. The central domain accepts only those of the electronic records conveyed thereto as valid for which the cryptographically protected proof of a certain moment of time associated with the generation of the electronic record shows that said certain moment of time was not later in time than a certain time limit.
REFERENCES:
patent: 5575474 (1996-11-01), Rossides
patent: 6357014 (2002-03-01), Correia
patent: 6898709 (2005-05-01), Teppler
Hämäläinen Timo
Hännikäinen Marko
Rautee Risto
Rekonius Janne
Dinh Minh
Innoka Oy
McWhinney Christopher T.
Perungavoor Venkat
Sullivan & Worcester LLP
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