Method of transmitting information data from a sender to a...

Details Method of transmitting information data from a sender to a... Method of transmitting information data from a sender to a...

2006-10-03

2006-10-03

Moise, Emmanuel L. (Department: 2137)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Packet header designating cryptographically protected data

C713S181000

Reexamination Certificate

active

07117361

ABSTRACT:
A method of transmitting information data from a sender to a receiver via a transcoder is proposed. The information data comprises confidential information data which is encrypted and non-confidential information data. Security information and transcoding-type information is sent together with the partly encrypted information data to the transcoder which uses the security information and transcoding-type information during a transcoding step. The encrypted confidential information data is thereby transcoded without using its content while the non-confidential information data is transcoded, having access to its content.

REFERENCES:
patent: 5497396 (1996-03-01), Delprat
patent: 6763460 (2004-07-01), Hild et al.
patent: 0 811 939 (1997-10-01), None
patent: 0 872 990 (1998-10-01), None
patent: 0 811 939 (1998-12-01), None
patent: WO 97/18635 (1997-05-01), None
patent: WO 97/18635 (1997-05-01), None

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