Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Packet header designating cryptographically protected data
Reexamination Certificate
2006-08-01
2006-08-01
Revak, Christopher (Department: 2131)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Packet header designating cryptographically protected data
C713S176000, C705S064000, C705S080000, C726S002000
Reexamination Certificate
active
07085926
ABSTRACT:
The invention provides a digital contract comprising a sealed package comprising: a header package comprising: rules defining any sealed packages to be included in said contract; a validating party who is to validate said header package; and a sealing party who is to seal said package; a body containing at least a portion of the content of the package; and a validating signature generated from said rules and said body according to a first key belonging to said validating party; any sealed packages defined in said rules; and a sealing signature generated from said header package and any of said sealed packages according to a first key belonging to said sealing party. Further provided is contract management software for generating, validating, exchanging and managing such contracts.
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Connolly Bove & Lodge & Hutz LLP
International Business Machines Incorporation
Revak Christopher
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