Invention Application
WO1995005043A1 METHOD AND APPARATUS FOR UNIQUELY ENCRYPTING A PLURALITY OF SERVICES AT A TRANSMISSION SITE
审中-公开
在传输站点上单独加强多项服务的方法和装置
- Patent Title: METHOD AND APPARATUS FOR UNIQUELY ENCRYPTING A PLURALITY OF SERVICES AT A TRANSMISSION SITE
- Patent Title (中): 在传输站点上单独加强多项服务的方法和装置
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Application No.: PCT/US1994008864Application Date: 1994-08-04
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Publication No.: WO1995005043A1Publication Date: 1995-02-16
- Inventor: SCIENTIFIC-ATLANTA, INC. , GAMMIE, Keith , SHELDRICK, Wayne, S. , WOO, Arthur, S. , WASILEWSKI, Anthony, J.
- Applicant: SCIENTIFIC-ATLANTA, INC.
- Assignee: SCIENTIFIC-ATLANTA, INC.
- Current Assignee: SCIENTIFIC-ATLANTA, INC.
- Priority: US8/101,974 19930804
- Main IPC: H04L09/00
- IPC: H04L09/00
Abstract:
The encryption apparatus for encrypting each of a plurality of services (22) comprises a random signal generator (24), which generates a random quantity that comprises a global seed and a random seed. The encryption apparatus (22) further includes an SK memory (52), a seed encryptor (50), seed generators (38, 40, 42), service encryptors (26, 28, 30), a multiplexer (54), spreading function generators, and a transmitter (56).
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