Method and device for security system

A security, algorithmic technology, applied in the field of security systems, that can solve problems such as large computational complexity and storage, increased wireless device cost, size or power consumption
CN1798022AInactive Publication Date: 2006-07-05TATA CONSULTANCY SERVICES LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TATA CONSULTANCY SERVICES LTD
Publication Date
2006-07-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses technique includes encrpytion and decrpytion at physical layer. The invention also develops guidelines for specific implement case to select method of encrpytion / decrpytion. The said implement case is in use for communication system of using typical viterbi decoder. The invention also discloses how to implement characteristic of viterbi decoder difficult to be reversed in order to provide security for preventing known-plain text attack. The invention also discusses candidate method of encrpytion / decrpytion of satisfying the said guidelines of development.
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Description

technical field

[0001] The present invention relates to a method and a device for a security system.

[0002] In particular, the present invention relates to a method and arrangement for a security system in a wired or wireless communication network.

[0003] More particularly, the present invention relates to a method and apparatus for an encryption system in a security system for a wired or wireless communication network.

[0004] In particular, the present invention relates to a novel method of increasing network security. More particularly, the present invention relates to network security, and in particular to methods for increasing the security of wired or wireless networks. Background technique

[0005] The primary security mechanism for wireless networks using stream ciphers is based primarily on the encryption of actual data (called plaintext) in a stream generated from a set of keys (called ciphers). The basic encryption method is based on the so-called "Vernam ...

Claims

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