KR20180098482A - 디지털 값 생성 장치 및 방법 - Google Patents
디지털 값 생성 장치 및 방법 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- 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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Abstract
Description
도 2는 일실시예에 따른 디지털 값 생성 장치의 디지털 값 동결부의 예시적 구성을 도시한다.
도 3은 다른 일실시예에 따른 디지털 값 동결부의 예시적 구성을 도시한다.
도 4는 다른 일측에 따른 디지털 값 생성 장치를 도시한 블록도이다.
도 5는 일실시예에 따른 디지털 값 생성부의 구성을 설명하기 위한 예시적 회로도이다.
도 6은 도 5의 디지털 값 생성부의 구성의 동작을 설명하기 위한 개념적 그래프이다.
도 7은 다른 일실시예에 따른 디지털 값 생성부의 구성을 설명하기 위한 예시적 회로도이다.
도 8은 또 다른 일실시예에 따른 디지털 값 생성부의 구성을 설명하기 위한 예시적 회로도이다.
도 9는 또 다른 일실시예에 따른 디지털 값 생성부의 구성을 설명하기 위한 예시적 회로도이다.
도 10은 도 8의 실시예에 따른 디지털 값 생성부에, 도 2의 실시예에 따른 디지털 값 동결부가 결합된 예시적 디지털 값 생성 장치의 회로 구성을 도시한다.
도 11은 도 10의 실시예에 따라 디지털 값 동결부에서 디지털 값 동결이 수행되는 과정을 설명하기 위한 예시적 그래프이다.
도 12는 다양한 일실시예들에 따라 디지털 값 동결부가 디지털 값 생성 장치 내에 배치된 예시적 회로도들을 도시한다.
도 13은 다른 일실시예에 따라 디지털 값 동결부가 OTP 소자에 의해 구현되는 경우, 디지털 값 동결부의 다양한 구성들을 설명하기 위한 회로도들을 도시한다.
도 14는 다른 일실시예에 따라 디지털 값 생성부가 도 5의 실시예에 의해 구현되는 경우에, 디지털 값 동결부가 디지털 값 생성 장치 내에 배치된 다양한 예시적 회로도들을 도시한다.
도 15는 다른 일실시예에 따라 디지털 값 생성부가 도 5의 실시예에 의해 구현되고 디지털 값 동결부가 OTP 소자에 의해 구현되는 경우, 디지털 값 동결부의 다양한 구성들을 설명하기 위한 회로도들을 도시한다.
도 16은 다른 일실시예에 따라 디지털 값 생성부가 도 7의 실시예에 의해 구현되는 경우에, 디지털 값 동결부가 디지털 값 생성 장치 내에 배치된 다양한 예시적 회로도들을 도시한다.
도 17는 다른 일실시예에 따라 디지털 값 생성부가 도 7의 실시예에 의해 구현되고 디지털 값 동결부가 OTP 소자에 의해 구현되는 경우, 디지털 값 동결부의 다양한 구성들을 설명하기 위한 회로도들을 도시한다.
도 18은 다른 일측에 따른 디지털 값 생성 방법을 도시하는 흐름도이다.
도 19는 또 다른 일측에 따른 디지털 값 생성 방법을 도시하는 흐름도이다.
120: 디지털 값 동결부
Claims (8)
- 디지털 값을 생성하는 디지털 값 생성부; 및
제어부 및 동결 장치를 포함하는 디지털 값 동결부
를 포함하고,
상기 제어부는 상기 디지털 값 생성부에 의해 생성된 디지털 값에 기초하여 제어 신호를 생성하고 상기 제어 신호는 상기 동결 장치를 동결시켜 상기 디지털 값이 변하지 않도록 하는 디지털 값 생성 장치.
- 제1항에 있어서,
상기 디지털 값 생성부는 PUF(Physically Unclonable Function) 회로를 포함하는 디지털 값 생성 장치.
- 제1항에 있어서,
상기 디지털 값 동결부는, 상기 디지털 값 생성부의 최초 구동(first operation) 시 생성된 상기 디지털 값에 대응하여 과전류를 받아 끊어지거나 또는 끊어지지 않음으로써 상기 디지털 값이 변하지 않도록 하는 적어도 하나의 퓨즈를 포함하는, 디지털 값 생성 장치.
- 제3항에 있어서,
상기 동결 장치는 상기 퓨즈가 끊어진 제1 상태 또는 상기 퓨즈가 끊어지지 않은 제2 상태를 동결시켜 상기 디지털 값이 변하지 않도록 하는, 디지털 값 생성 장치.
- 제1항에 있어서,
상기 디지털 값 동결부는, 상기 디지털 값 생성부의 최초 구동 시 생성된 상기 디지털 값을 저장하도록 프로그램 되어 상기 디지털 값이 변하지 않도록 하는 적어도 하나의 OTP(One Time Programmable) 소자를 포함하는, 디지털 값 생성 장치.
- 디지털 값을 생성하는 디지털 값 생성부; 및
상기 디지털 값 생성부와 구분되는 모듈로서 상기 디지털 값 생성부에 연결되고, 제어부 및 적어도 하나의 비휘발성 메모리를 포함하는 동결부
를 포함하고,
상기 제어부는 상기 디지털 값 생성부에 의해 생성된 디지털 값에 기초하여 제어 신호를 생성하고 상기 제어 신호는 상기 디지털 값 생성부에 의해 생성된 상기 디지털 값을 상기 적어도 하나의 비휘발성 메모리에 프로그램하여 상기 디지털 값이 변하지 않도록 하는, 디지털 값 생성 장치.
- 제6항에 있어서,
상기 비휘발성 메모리는 OTP(One Time Programmable) 및 EEPROM 중 적어도 하나의 소자를 포함하는, 디지털 값 생성 장치.
- 제6항에 있어서,
상기 디지털 값 생성부는 PUF(Physically Unclonable Function) 회로를 포함하는, 디지털 값 생성 장치.
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| Application Number | Priority Date | Filing Date | Title |
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| KR20110029431 | 2011-03-31 | ||
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| KR1020120105644A Division KR101891089B1 (ko) | 2011-03-31 | 2012-09-24 | 디지털 값 생성 장치 및 방법 |
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| KR1020120033362A Active KR101237456B1 (ko) | 2011-03-31 | 2012-03-30 | 디지털 값 생성 장치 및 방법 |
| KR1020120105644A Active KR101891089B1 (ko) | 2011-03-31 | 2012-09-24 | 디지털 값 생성 장치 및 방법 |
| KR1020180096030A Ceased KR20180098482A (ko) | 2011-03-31 | 2018-08-17 | 디지털 값 생성 장치 및 방법 |
| KR1020180145633A Ceased KR20180128373A (ko) | 2011-03-31 | 2018-11-22 | 디지털 값 생성 장치 및 방법 |
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| KR1020120105644A Active KR101891089B1 (ko) | 2011-03-31 | 2012-09-24 | 디지털 값 생성 장치 및 방법 |
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| EP (3) | EP3118778B1 (ko) |
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| KR (4) | KR101237456B1 (ko) |
| CN (1) | CN103548040B (ko) |
| DK (1) | DK2693370T3 (ko) |
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| EP3118778B1 (en) * | 2011-03-31 | 2018-08-29 | ICTK Co., Ltd. | Apparatus and method for generating a digital value |
| JP5956313B2 (ja) * | 2012-11-13 | 2016-07-27 | ルネサスエレクトロニクス株式会社 | 認証回路 |
| KR20140126787A (ko) * | 2013-04-22 | 2014-11-03 | (주) 아이씨티케이 | PUF 기반 하드웨어 OTP 제공 장치 및 이를 이용한 2-Factor 인증 방법 |
| JP6106043B2 (ja) | 2013-07-25 | 2017-03-29 | ルネサスエレクトロニクス株式会社 | 半導体集積回路装置 |
| WO2015012667A1 (ko) | 2013-07-26 | 2015-01-29 | (주) 아이씨티케이 | 랜덤성 테스트 장치 및 방법 |
| US10038446B2 (en) * | 2013-08-21 | 2018-07-31 | Carnegie Mellon University | Reliability of physical unclonable function circuits |
| CN105849701B (zh) | 2013-08-28 | 2019-07-23 | Stc.Unm公司 | 采用金属电阻变化分析稳定性的系统和方法 |
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