[특허]Process for improving public key authentication

Process for improving public key authentication 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04L-009/08
출원번호	US-0937772 (1992-09-01)
발명자 / 주소	Mihm Jr. Thomas J. (Mesa AZ)
출원인 / 주소	Motorola, Inc. (Schaumburg IL 02)
인용정보	피인용 횟수 : 88 인용 특허 : 0

초록 ▼

An environment which includes a communications network, user terminals, and an authentication center provides communication services only to legitimate subscribers. The authentication center receives an equipment ID for each terminal, generates a series of sequence numbers and uses a secret key to encrypt the sequence numbers and the equipment ID with a user ID and an error detection code to form an encrypted block. This block is programmed into an authentication module and sent to the subscriber for installation in the subscriber\s terminal. The authentication center sends a public key to network authentication nodes. When the subscriber operates the terminal to gain access to the network, a log-on message, which includes the encrypted block and an unencrypted version of the equipment ID, is sent to an authentication node. The node decrypts the encrypted block and evaluates the IDs and sequence number to determine whether to grant access to services.

대표청구항 ▼

A method for authenticating, by an authentication center having a first processor contained therein, user terminals used by users of a communication service offered by a communication service provider, said communication service being accessible through at least one user terminal of said user terminals, said one user terminal including a second processor contained therein, said user terminal having equipment identification data (ID) associated therewith and having pre-encrypted messages including sequence numbers stored therein, said method comprising steps of: (a) obtaining by said first processor, said equipment ID for said one user terminal; (b) obtaining by said first processor, said sequence numbers for said one user terminal; (c) forming at said authentication center by said first processor, an encrypted block, said encrypted block including said equipment ID and said sequence numbers; (d) storing said encrypted block in said one user terminal, said pre-encrypted messages comprising said encrypted block; and (e) receiving a log-on message from said one user terminal to said communication service provider at least at initiation of a communication session, said log-on message including one of said pre-encrypted messages and said equipment ID.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Process for improving public key authentication 원문보기

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연합인증

Process for improving public key authentication 원문보기

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연구과제 타임라인

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