[특허]Electronic cashless transaction system

Electronic cashless transaction system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04K-001/00
출원번호	US-0953375 (1992-09-30)
우선권정보	JP-0278831 (1991-09-30)
발명자 / 주소	Akiyama Ryota (Kawasaki JPX) Hasebe Takayuki (Kawasaki JPX)
출원인 / 주소	Fujitsu Limited (Kawasaki JPX 03)
인용정보	피인용 횟수 : 155 인용 특허 : 0

초록 ▼

A key control method is for use in an electronic cashless transaction system including at least a bank center, a store transaction terminal and an IC card being used as an electronic cashless transaction medium. The key control method comprises a step of having the bank center generate and code a first parameter for a transmission to the IC card; a step of having the IC card receive and decode the coded first parameter by using the first key, thereby reconstructing the first parameter issued by the bank center, perform a first operation on the first parameter and a password of a holder of the IC card, and store in a first register; a step of having the store transaction terminal send to the IC card a second parameter coded by a second key, when the holder inserts the IC card 11 into the store transaction terminal; a step of having the IC card decode the coded second parameter by using the second key, thereby reconstructing the second parameter received from the store transaction terminal, perform a second operation on the second parameter and the value stored in the first register, store a result of the second operation in the second register; and a step of decoding a value stored in the second register by using a coding session key stored in a memory of the IC card, thereby obtaining a key for an intended authentication.

대표청구항 ▼

A key control method for use in an electronic cashless transaction system including at least a bank center, a store transaction terminal and an IC card being used as an electronic cashless transaction medium, comprising: a step of having said bank center generate and code a first parameter for a transmission to said IC card; a step of having said IC card receive and decode said coded first parameter by using a first key, thereby reconstructing said first parameter issued by said bank center, perform a first arithmetic operation on said first parameter and a password of a holder of said IC card, and store in a first register as a first value; a step of having said store transaction terminal send to said IC card a second parameter coded by a second key, when said holder inserts said IC card into said store transaction terminal; a step of having said IC card decode said coded second parameter by using said second key, thereby reconstructing said second parameter received from said store transaction terminal, perform a second arithmetic operation on said second parameter and said first value stored in a first register, store a result of said second arithmetic operation in said second register; and a step of decoding a second value stored in said second register by using a coding session key stored in a memory of said IC card, thereby obtaining a key for an intended authentication.

이 특허를 인용한 특허 (155)

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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Barcelou, David M., Automated transaction machine.
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Vicente, Maria Teresita; Dragotta, Frank Cawley; Field, Manning R.; Koppenhaver, Joy Lynn; Moed, James Samuel; Jacoby, Ryan Alan; Groulx, Ian Michael; Emerson, Heather Margaret; McGarry, Jennifer C., System and method for providing borrowing schemes.
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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

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

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