KR100213188B1 - 사용자 인증 장치 및 방법 - Google Patents
사용자 인증 장치 및 방법 Download PDFInfo
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- KR100213188B1 KR100213188B1 KR1019960044125A KR19960044125A KR100213188B1 KR 100213188 B1 KR100213188 B1 KR 100213188B1 KR 1019960044125 A KR1019960044125 A KR 1019960044125A KR 19960044125 A KR19960044125 A KR 19960044125A KR 100213188 B1 KR100213188 B1 KR 100213188B1
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- G06Q20/00—Payment architectures, schemes or protocols
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- G06Q20/409—Device specific authentication in transaction processing
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- H04L63/00—Network architectures or network communication protocols for network security
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- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
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- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
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- H04L9/3228—One-time or temporary data, i.e. information which is sent for every authentication or authorization, e.g. one-time-password, one-time-token or one-time-key
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
- H04W12/068—Authentication using credential vaults, e.g. password manager applications or one time password [OTP] applications
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- H04W12/06—Authentication
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Abstract
Description
Claims (12)
- 일회용 패스워드를 생성하기 위한 비밀키 및 소정의 난수를 저장하고 있는 IC카드;상기 IC카드를 입력으로하여 일회용패스워드를 생성하는 단말기; 및상기 단말기에서 생성된 일회용패스워드를 인증하는 서버를 포함함을 특징으로 하고,상기 단말기는상기 IC카드를 받아들이는 인터페이스를 수행하며, 상기 IC카드가 최초로 입력된 카드인지 판별하는 카드입력부와,상기 IC카드가 최초로 상기 카드입력부에 삽입되면 상기 IC카드의 난수를 독출하여 저장하고 상기 IC카드의 난수를 삭제하는 난수저장부와,상기 IC카드의 비밀키와 상기 난수저장부에 저장된 난수를 독출하여 소정의 방법에 의해 일회용패스워드를 생성하는 제1패스워드생성부와,상기 제1패스워드생성부에서 일회용패스워드가 생성되면 상기 난수저장부에 저장된 난수값을 소정의 값으로 변경시겨 상기 난수저장부에 저장시키는 제1난수변경부와,상기 단말기 및 서버의 처리결과를 디스플레이하는 표시부를 적어도 구비하며,상기 서버는상기 IC카드에 최초로 저장된 비밀키 및 소정의 난수와 동일한 비밀키 및 난수를 저장하는 비밀키저장부와,상기 비밀키저장부에 저장된 비밀키와 난수를 독출하여 단말기에서 사용되는 소정의 방법과 동일한 방법에 의해 일회용패스워드를 생성하는 제2패스워드생성부와,상기 제2패스워드생성부에서 일회용패스워드가 생성되면 상기 비밀키저장부의 난수값을 상기 단말기의 난수변경부와 동일한 값으로 난수값을 변경시켜 상기 비밀키저장부에 저장시키는 제2난수변경부와,상기 단말기의 표시장치에 표시되는 일회용패스워드를 전화선이나 소정의 네트웍을 통해서 수신하는 패스워드수신부와,상기 수신된 패스워드와 상기 생성된 패스워드가 같은지 검증하는 패스워드검증부를 적어도 구비하는, 사용자가 정당한 사용자인지 인증하는 사용자 인증 장치.
- 제1항에 있어서, 상기 IC카드는신분증 또는 전자화폐 겸용으로 사용되며, 사용자 신분인증을 위한 비밀값을 저장하고 있음을 특징으로 하는 사용자 인증 장치.
- 제1항에 있어서, 상기 단말기의 비밀키는사용자 등록과정에서 서비스 제공자가 상기 단말기에 삽입함을 특징으로 하는 사용자 인증장치.
- 제1항에 있어서,상기 IC카드는조건없이 접근할 수 있는 공개영역 및 외부의 접근을 허용하기 위해서 카드접근키를 요구하는 비밀영역을 구비하고, 상기 비밀영역의 접근에 필요한 카드접근키를 저장하는 카드접근키저장부; 및상기 외부에서 입력되는 카드접근키와 상기 카드접근키저장부에 저장되어 있는 카드접근키를 비교하여 내부정보의 접근허락을 결정하는 카드접근검사부를 더 구비하고,상기 단말기의 난수저장부는상기 IC카드가 최초로 상기 카드입력부에 삽입되면 상기 IC카드의 난수 및 카드접근키를 독출하여 저장하고 상기 IC카드의 공개영역에 저장된 난수와 카드접근키를 삭제하는 난수저장부임을 특징으로 하는 사용자 인증 장치.
- 제1항에 있어서, 상기 단말기는상기 IC카드의 잔액 및 거래내역을 조회하는 조회부를 더 구비함을 특징으로 하는 사용자 인증 장치.
- 제1항 또는 제4항 중 어느 한 항에 있어서,상기 단말기의 제1패스워드생성부는상기 IC카드의 비밀키와 상기 난수저장부의 난수를 독출하여 상기 비밀키 및 난수를 대칭키암호알고리즘을 사용하여 암호를 생성하는 대칭키암호부;상기 대칭키암호부에서 생성된 암호를 일방향 해쉬함수에 의해 변환되게 하여 상기 비밀키의 역추적을 방지하는 해쉬함수부; 및상기 해쉬함수부에서 출력되는 암호를 사용자가 읽기 쉬운 소정의 자리수로 변환하는 자리수변환부를 포함하고,상기 서버의 제2패스워드생성부는상기 비밀키저장부에 저장된 비밀키 및 난수를 독출하여 상기 비밀키 및 난수를 대칭키암호알고리즘을 사용하여 암호를 생성하는 대칭키암호부;상기 대칭키암호부에서 생성된 암호를 일방향 해쉬함수에 의해 역추적을 방지하는 해쉬함수 수행부; 및상기 해쉬함수 수행부에서 출력되는 암호를 소정의 자리수로 변환하는 자리수변환부로 이루어짐을 특징으로 하는 사용자 인증 장치.
- 제6항에 있어서,상기 단말기 및 서버는단말기와 서버의 동기를 맞추기 위한 카운터값을 저장하는 카운터저장부; 및 일회용패스워드를 한 번 생성할 때 마다 상기 카운터값을 소정의 값으로 변경시켜 상기 카운터저장부에 저장시키는 카운터변경부를 각각 더 구비하며,상기 제1패스워드생성부의 자리수변환부 및 제2패스워드생성부의 자리수변환부는상기 해쉬함수 수행부에서 출력되는 패스워드 비트열에 상기 카운터저장부의 카운터값을 삽입하는 카운터삽입부를 각각 더 구비하고,상기 서버는상기 패스워드수신기에 의해 수신된 일회용패스워드에서 카운터값을 추출하는 카운터추출부; 및상기 카운터추출부에서 추출된 카운터값과 상기 서버의 카운터값이 일치하지 않을 경우, 상기 추출된 카운터값에 상응하는 난수를 생성하여 상기 서버의 대칭키암호부로 입력시키는 난수동기부를 더 구비함을 특징으로 하는 사용자 인증 장치.
- 제6항에 있어서, 상기 자리수변환부는2진수의 수를 10진수로 변환함을 특징으로 하는 사용자 인증 장치.
- 제7항에 있어서, 상기 단말기 및 서버의 카운터삽입부는적어도 하나이상의 일회용패스워드 생성알고리즘의 프로토콜을 가리키는 PTS 비트를 부가로 삽입하고,상기 서버의 카운터 추출부는상기 PTS 비트를 더 추출하고,상기 단말기 및 서버의 제1, 제2패스워드 생성부는상기 PTS의 정보에 따른 일회용패스워드 생성알고리즘에 의해 일회용패스워드를 생성하는 패스워드생성부임을 특징으로 하는 사용자 인증 장치.
- 일회용패스워드를 생성하기 위한 비밀키를 저장하고 소정의 난수를 가지고 있는 IC카드와, 상기 IC카드를 입력으로하여 일회용패스워드를 생성하는 단말기와, 상기 IC카드와 동일한 비밀키와 난수를 저장하고 있으며 상기 단말기에서 생성된 일회용패스워드를 인증하는 서버를 포함하는 사용자 인증장치에서의 사용자 인증방법에 있어서,상기 IC카드를 상기 단말기에 삽입하는 단계;상기 IC카드가 상기 단말기에 최초로 입력된 것인지 판단하는 최초입력판단단계;상기 최초입력판단단계에서 최초 입력이면 소정의 서비스초기화를 수행한후일회용패스워드를 생성하고, 상기 최초입력판단단계에서 최초 입력이 아니면 일회용 패스워드를 생성하는 패스워드생성단계; 및상기 단말기에서 생성된 일회용패스워드를 소정의 통신매체를 통해 수신하여 상기 일회용패스워드를 검증하는 단계를 포함함을 특징으로 하고,상기 패스워드생성단계의 서비스초기화는상기 IC카드의 난수를 독출하여 단말기에 저장하는 단계; 및상기 IC카드에 저장된 난수를 삭제하는 단계로 이루어지고,상기 패스워드생성단계의 일회용패스워드 생성은상기 IC카드의 비밀키 및 상기 단말기에 저장된 난수를 독출하는 제1단계;상기 비밀키 및 난수를 입력으로하여 대칭키암호알고리즘을 수행하는 제2단계;상기 대칭키암호알고리즘을 통해 출력된 값을 입력으로하여 일방향해쉬함수를 수행하는 제3단계;상기 난수를 소정의 값으로 변경하여 단말기에 저장하는 제4단계; 및상기 일방향해쉬함수를 수행하여 출력된 값을 소정의 자리수로 변환하는 제5단계를 포함하여 이루어지고,상기 검증단계는상기 단말기에서 생성된 일회용패스워드를 소정의 통신매체를 통해 수신하는 수신단계;상기 서버에 저장하고 있는 비밀키와 난수를 독출하는 독출단계;상기 비밀키 및 난수를 입력으로하여 대칭키암호알고리즘을 수행하는 단계;상기 대칭키암호알고리즘을 통해 출력된 값을 입력으로하여 일방향해쉬함수를 수행하는 단계;상기 난수를 소정의 값으로 변경하여 단말기에 저장하는 값변경단계; 및상기 일방향해쉬함수를 수행하여 출력된 값을 소정의 자리수로 변환하는 변환단계;상기 소정의 자리수로 변환된 값과 상기 수신된 일회용패스워드를 비교하여 같으면 사용자 인증을 하고, 다르면 사용자 인증을 하지않는 인증단계를 포함하여 이루어지는, 사용자 인증방법.
- 제10항에 있어서, 상기 IC카드가 비밀영역으로의 접근에 필요한 카드접근키를 더 구비할 때,상기 패스워드 생성단계의 서비스초기화는상기 IC카드의 공개영역에서 난수 및 비밀영역에 접근하기 위한 카드접근키를 독출하여 단말기에 저장하는 단계; 및상기 IC카드의 공개영역에 저장된 난수 및 상기 공개영역의 카드접근키를 삭제하는 단계로 이루어지고,상기 패스워드생성단계의 IC카드 비밀키 독출은상기 단말기에 저장된 카드접근키를 상기 IC카드에 입력시키는 단계;상기 IC카드에 입력된 카드접근키와 상기 IC카드 비밀영역의 카드접근키가 같으면 카드접근을 허용하는 카드접근검사단계; 및상기 카드접근검사단계에서 접근이 허용되면 상기 IC카드 비밀키를 독출하는 단계로 이루어짐을 특징으로 하는 사용자 인증 방법.
- 제10항 또는 제11항 중 어느 한 항에 있어서,상기 단말기 및 서버가 단말기와 서버의 동기를 맞추기 위한 카운터를 더 구비할 때,상기 패스워드생성단계의 일회용패스워드생성의 제4단계는상기 난수 및 카운터값을 소정의 값으로 변경하여 단말기에 저장하는 단계이고,상기 패스워드생성단계의 일회용패스워드생성의 제5단계는상기 제3단계에서 출력되는 패스워드 비트열에 상기 카운터값을 삽입하는 단계; 및상기 카운터값이 삽입된 패스워드 값을 소정의 자리수로 변환하는 단계로 이루어지고,상기 검증단계의 수신단계는수신된 일회용패스워드로부터 카운터값을 추출하는 추출단계;상기 추출단계에서 추출된 카운터값과 상기 서버의 카운터 값을 비교하는 단계; 및상기 비교단계에서 카운터값이 일치하지 않을 경우, 상기 카운터의 카운터값을 같게하고, 상기 난수값을 상기 카운터값에 상응하는 난수값으로 변경하는 단계를 더 구비하며,상기 검증단계의 값변경단계는상기 난수를 소정의 값으로 변경하여 단말기에 저장하는 값변경단계이고,상기 검증단계의 변환단계는상기 일방향해쉬함수를 수행하여 출력되는 패스워드 비트열에 상기 카운터값을 삽입하는 단계; 및상기 카운터값이 삽입된 패스워드 값을 소정의 자리수로 변환하는 단계로 이루어짐을 특징으로 하는 사용자 인증 방법.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960044125A KR100213188B1 (ko) | 1996-10-05 | 1996-10-05 | 사용자 인증 장치 및 방법 |
| FR9712272A FR2754411B1 (fr) | 1996-10-05 | 1997-10-02 | Dispositif et procede d'authentification d'utilisateur |
| JP27143797A JPH10171909A (ja) | 1996-10-05 | 1997-10-03 | 使用者認証装置及びその方法 |
| CNB971200408A CN1197030C (zh) | 1996-10-05 | 1997-10-05 | 鉴别用户的装置及其方法 |
| DE19744106A DE19744106B4 (de) | 1996-10-05 | 1997-10-06 | System zur Authentizierung eines Benutzers und Verfahren hierzu |
| US08/944,918 US6067621A (en) | 1996-10-05 | 1997-10-06 | User authentication system for authenticating an authorized user of an IC card |
| GB9721224A GB2317983B (en) | 1996-10-05 | 1997-10-06 | Apparatus for authenticating user and method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960044125A KR100213188B1 (ko) | 1996-10-05 | 1996-10-05 | 사용자 인증 장치 및 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980025834A KR19980025834A (ko) | 1998-07-15 |
| KR100213188B1 true KR100213188B1 (ko) | 1999-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960044125A Expired - Fee Related KR100213188B1 (ko) | 1996-10-05 | 1996-10-05 | 사용자 인증 장치 및 방법 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6067621A (ko) |
| JP (1) | JPH10171909A (ko) |
| KR (1) | KR100213188B1 (ko) |
| CN (1) | CN1197030C (ko) |
| DE (1) | DE19744106B4 (ko) |
| FR (1) | FR2754411B1 (ko) |
| GB (1) | GB2317983B (ko) |
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-
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- 1997-10-03 JP JP27143797A patent/JPH10171909A/ja active Pending
- 1997-10-05 CN CNB971200408A patent/CN1197030C/zh not_active Expired - Fee Related
- 1997-10-06 US US08/944,918 patent/US6067621A/en not_active Expired - Fee Related
- 1997-10-06 GB GB9721224A patent/GB2317983B/en not_active Expired - Fee Related
- 1997-10-06 DE DE19744106A patent/DE19744106B4/de not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020000961A (ko) * | 2000-06-23 | 2002-01-09 | 백영삼 | 이동 통신 시스템을 이용한 무선 인증 방법 |
| US7035442B2 (en) | 2000-11-01 | 2006-04-25 | Secugen Corporation | User authenticating system and method using one-time fingerprint template |
| WO2002095670A1 (en) * | 2001-05-23 | 2002-11-28 | Woori Technology Inc. | Card reader, and settlement and authentication system using the card reader |
| KR20010099413A (ko) * | 2001-09-26 | 2001-11-09 | 최문현 | 피디에이의 인증장치 |
| KR20030040186A (ko) * | 2001-11-16 | 2003-05-22 | 야자키 소교 가부시키가이샤 | 암호키, 암호화장치, 암호화/복호화장치, 암호키 관리장치및 복호화장치 |
| KR100734724B1 (ko) | 2006-05-03 | 2007-07-02 | 주식회사 신한은행 | 무선단말기와 프로그램 기록매체 |
| US9830434B2 (en) | 2007-05-09 | 2017-11-28 | Wellbia.Com Co., Ltd. | System and method for security using one-time execution code |
| WO2020032498A1 (ko) * | 2018-08-09 | 2020-02-13 | 주식회사 센스톤 | 인증용가상코드를 이용한 사용자 인증 방법 및 시스템 |
| US12002041B2 (en) | 2018-08-09 | 2024-06-04 | SSenStone Inc. | Method and system for user authentication using virtual code for authentication |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1181560A (zh) | 1998-05-13 |
| JPH10171909A (ja) | 1998-06-26 |
| FR2754411B1 (fr) | 2002-11-15 |
| CN1197030C (zh) | 2005-04-13 |
| GB2317983A (en) | 1998-04-08 |
| DE19744106A1 (de) | 1998-04-09 |
| GB9721224D0 (en) | 1997-12-03 |
| US6067621A (en) | 2000-05-23 |
| FR2754411A1 (fr) | 1998-04-10 |
| KR19980025834A (ko) | 1998-07-15 |
| DE19744106B4 (de) | 2007-11-29 |
| GB2317983B (en) | 2000-06-28 |
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