KR20060119716A - 의사 랜덤 시퀀스 생성 방법 - Google Patents
의사 랜덤 시퀀스 생성 방법 Download PDFInfo
- Publication number
- KR20060119716A KR20060119716A KR1020057022647A KR20057022647A KR20060119716A KR 20060119716 A KR20060119716 A KR 20060119716A KR 1020057022647 A KR1020057022647 A KR 1020057022647A KR 20057022647 A KR20057022647 A KR 20057022647A KR 20060119716 A KR20060119716 A KR 20060119716A
- Authority
- KR
- South Korea
- Prior art keywords
- value
- key
- input
- mkey
- constant
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 50
- 238000006467 substitution reaction Methods 0.000 claims abstract description 38
- 238000009792 diffusion process Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims description 18
- 230000001131 transforming effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 description 26
- 239000013598 vector Substances 0.000 description 17
- 230000008859 change Effects 0.000 description 11
- 238000000926 separation method Methods 0.000 description 9
- 239000011159 matrix material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 102100032919 Chromobox protein homolog 1 Human genes 0.000 description 4
- 101000797584 Homo sapiens Chromobox protein homolog 1 Proteins 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Images
Classifications
-
- 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
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
-
- 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
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
- H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
- H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
- H04L9/0668—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator producing a non-linear pseudorandom sequence
-
- 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
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
- H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
- H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/20—Manipulating the length of blocks of bits, e.g. padding or block truncation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/24—Key scheduling, i.e. generating round keys or sub-keys for block encryption
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Storage Device Security (AREA)
- Image Processing (AREA)
- Lock And Its Accessories (AREA)
- Input From Keyboards Or The Like (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims (6)
- 메인 키(MKEY)에 기초하여 서브키를 생성하는 방법에 있어서,선형 변화층(diversification layer)을 상기 메인 키(MKEY)에 적용하여 상기 메인 키(MKEY)를 상수와 혼합함으로써 제 1 값(A1)을 획득하는 단계와,상기 제 1 값(A1)에 비선형 변환을 적용하는 단계를 포함하며, 상기 변환 단계는,상기 제 1 값(A1)을 치환층에 적용함으로써 제 2 값(A2)을 획득하는 단계로서, 상기 치환층은 적어도 하나의 치환 박스(sbox)를 포함하고, 각각의 치환 박스는 상기 입력이 포인터로서 작용하고 지시된 상수가 출력으로서 작용하는 적어도 하나의 상수 테이블을 포함하는, 상기 제 2 값 획득 단계와,상기 제 2 값(A2)에 기초하여 다중 순열 유형의 확산 박스를 이용하여 제 3 값(A3)을 획득하는 단계와,상기 제 3 값(A3)을 동일한 사이즈의 N 개의 블록으로 분할하여 N 개의 블록에 의해 형성된 제 4 출력 값(A4)을 획득하는 단계로서, 상기 제 4 값(A4)의 각 블록은 제 3 값(A3)의 N-1 블록의 조합의 결과이고, 손실 블록은 동일한 인덱스의 블록인, 상기 제 4 값 획득 단계와,치환층(시그마)을 상기 제 4 값(A4)에 적용하여 제 7 값(A7)을 획득하는 단계와,대칭 암호화 모듈(SENC)을 제 7 값(A7)에 적용하여 상기 서브 키(RKEY)를 획득하는 단계로서, 상기 제 1 값(A1)은 이 모듈에 대한 키 입력으로서 작용하는, 상기 서브 키 획득 단계를 포함하는 것을 특징으로 하는 서브키 생성 방법.
- 제 1 항에 있어서,제공된 키(AKEY)는 상기 메인 키(MKEY)보다 더 작은 사이즈이고,상기 방법은상기 제공된 키(AKEY)를 상기 메인 키(MKEY)의 사이즈까지 완성시키기 위해 패딩 데이터를 추가하는 단계와, 패딩 비트가 결과의 키(DKEY)를 따라서 확산되도록 상기 제공된 키(AKEY)와 상기 패딩 데이터를 혼합하는 단계에 따라서, 상기 제공된 키(AKEY)로부터 상기 메인 키(MKEY)를 획득하는 단계를 포함하는 것을 특징으로 하는 서브키 생성 방법.
- 제 1 항 또는 2 항에 있어서,상기 제 1 값(A1)을 획득하기 위해 상기 메인 키(MKEY)와 혼합된 상수는 제 1 상수로 로딩된 LFSR을 이용하여 의사 랜덤하게 생성되는 것을 특징으로 하는 서브키 생성 방법.
- 제 1 항 내지 3 항 중 어느 한 항에 있어서,상기 대칭 암호화 모듈(SENC)의 상기 입력 사이즈가 상기 제 7 값(A7)의 사이즈보다 더 작은 경우에, 상기 제 7 값(A7)을 2의 배수로 나누고 결과부를 상기 대칭 암호화 모듈(SENC)의 입력 사이즈까지 두 개 단위로 혼합하는 단계를 포함하는 것을 특징으로 하는 서브키 생성 방법.
- 제 1 항 내지 4 항 중 어느 한 항에 있어서,상기 치환층(시그마)에 적용하기 전에 상기 제 4 값(A4)에 상수가 가산되는 것을 특징으로 하는 서브키 생성 방법.
- 제 2 항 내지 5 항 중 어느 한 항에 있어서,패딩 데이터가 상기 제공된 키(AKEY)에 가산되는 동안 상기 치환층(시그마)의 입력 값(A6)의 모든 비트에 반전이 이루어지는 것을 특징으로 하는 서브키 생성 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03103307A EP1513285A1 (en) | 2003-09-05 | 2003-09-05 | Method for generating pseudo-random sequence |
EP03103307.9 | 2003-09-05 | ||
PCT/EP2004/052020 WO2005025123A1 (en) | 2003-09-05 | 2004-09-02 | Method for generating pseudo-random sequence |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060119716A true KR20060119716A (ko) | 2006-11-24 |
KR101086940B1 KR101086940B1 (ko) | 2011-11-29 |
Family
ID=34130323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020057022647A KR101086940B1 (ko) | 2003-09-05 | 2004-09-02 | 의사 랜덤 시퀀스 생성 방법 |
Country Status (23)
Country | Link |
---|---|
US (1) | US7512241B2 (ko) |
EP (2) | EP1513285A1 (ko) |
JP (1) | JP4673857B2 (ko) |
KR (1) | KR101086940B1 (ko) |
CN (1) | CN100574183C (ko) |
AP (1) | AP1949A (ko) |
AT (1) | ATE407493T1 (ko) |
AU (1) | AU2004302919B2 (ko) |
BR (1) | BRPI0411184A (ko) |
CA (1) | CA2525541C (ko) |
DE (1) | DE602004016350D1 (ko) |
DK (1) | DK1661296T3 (ko) |
EA (1) | EA008677B1 (ko) |
ES (1) | ES2314453T3 (ko) |
HK (1) | HK1085592A1 (ko) |
HR (1) | HRP20080526T3 (ko) |
IL (1) | IL171934A (ko) |
NO (1) | NO20055403L (ko) |
NZ (1) | NZ543948A (ko) |
PL (1) | PL1661296T3 (ko) |
PT (1) | PT1661296E (ko) |
SI (1) | SI1661296T1 (ko) |
WO (1) | WO2005025123A1 (ko) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100622128B1 (ko) * | 2004-12-17 | 2006-09-19 | 한국전자통신연구원 | 병렬 처리 축소 키 생성기 |
US7602906B2 (en) * | 2005-08-25 | 2009-10-13 | Microsoft Corporation | Cipher for disk encryption |
US8145691B2 (en) | 2006-02-24 | 2012-03-27 | Novell, Inc. | Techniques for random bit generation |
KR101095386B1 (ko) * | 2010-04-29 | 2011-12-16 | 동국대학교 산학협력단 | 이산화된 카오스 함수를 이용한 암호 시스템 |
US9135834B2 (en) * | 2013-04-30 | 2015-09-15 | The United Sates of America as represented by the Secretary of the Air Force | Apparatus and method to prevent side channel power attacks in advanced encryption standard using floating point operation |
US9160523B2 (en) * | 2013-04-30 | 2015-10-13 | The United States Of America As Represented By The Secretary Of The Air Force | Apparatus and method to prevent side channel power attacks in advanced encryption standard |
EP3674952B1 (en) * | 2015-03-26 | 2022-06-15 | Nagravision S.A. | Method and system for searching for at least a specific datum in a user unit |
RU2632119C9 (ru) * | 2016-06-02 | 2017-11-22 | Андрей Валерьевич Менячихин | Устройство для построения ортоморфизмов, использующее парные разности |
US10402169B2 (en) * | 2017-07-12 | 2019-09-03 | Dell Products L.P. | Method and system of secure random seed generation for a cryptographically secure pseudo-random number generator |
US10361627B1 (en) * | 2018-09-12 | 2019-07-23 | Texas Instruments Incorporated | Reduction of low frequency noise in a discrete spread spectrum timebase |
CN110909375B (zh) * | 2019-10-12 | 2022-04-08 | 浙江工业大学 | 一种保留分布特征的地址脱敏方法 |
Family Cites Families (17)
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US44651A (en) * | 1864-10-11 | Improvement in cider-mills | ||
JPH06342257A (ja) * | 1993-06-02 | 1994-12-13 | Matsushita Electric Ind Co Ltd | 逐次暗号方式 |
US5404402A (en) * | 1993-12-21 | 1995-04-04 | Gi Corporation | Clock frequency modulation for secure microprocessors |
US5745577A (en) * | 1996-07-25 | 1998-04-28 | Northern Telecom Limited | Symmetric cryptographic system for data encryption |
US6182216B1 (en) * | 1997-09-17 | 2001-01-30 | Frank C. Luyster | Block cipher method |
JPH11224183A (ja) * | 1998-02-05 | 1999-08-17 | Toyo Commun Equip Co Ltd | 擬似乱数発生装置 |
US6189095B1 (en) * | 1998-06-05 | 2001-02-13 | International Business Machines Corporation | Symmetric block cipher using multiple stages with modified type-1 and type-3 feistel networks |
JP3679936B2 (ja) * | 1998-11-27 | 2005-08-03 | 東芝ソリューション株式会社 | 暗復号装置及び記憶媒体 |
US7162031B1 (en) * | 1998-12-30 | 2007-01-09 | Nokia Corporation | Method and device for cryptographically processing data |
US6578061B1 (en) * | 1999-01-19 | 2003-06-10 | Nippon Telegraph And Telephone Corporation | Method and apparatus for data permutation/division and recording medium with data permutation/division program recorded thereon |
US6763363B1 (en) * | 1999-12-02 | 2004-07-13 | Honeywell International Inc. | Computer efficient linear feedback shift register |
US6804355B1 (en) * | 2000-01-06 | 2004-10-12 | Intel Corporation | Block cipher for small selectable block sizes |
US6891951B2 (en) * | 2000-01-21 | 2005-05-10 | Victor Company Of Japan, Ltd. | Cryptosystem-related method and apparatus |
US20020044651A1 (en) * | 2000-05-16 | 2002-04-18 | Tuvell Walter E. | Method and apparatus for improving the security of cryptographic ciphers |
US7295671B2 (en) * | 2002-05-23 | 2007-11-13 | Atmel Corporation | Advanced encryption standard (AES) hardware cryptographic engine |
CN1384621A (zh) * | 2002-06-21 | 2002-12-11 | 清华大学 | 量子密钥分配中的加速全效及扩容方法 |
US7028059B2 (en) * | 2002-06-24 | 2006-04-11 | Sun Microsystems, Inc. | Apparatus and method for random number generation |
-
2003
- 2003-09-05 EP EP03103307A patent/EP1513285A1/en not_active Withdrawn
-
2004
- 2004-08-11 US US10/915,421 patent/US7512241B2/en active Active
- 2004-09-02 JP JP2006552404A patent/JP4673857B2/ja not_active Expired - Lifetime
- 2004-09-02 EA EA200501622A patent/EA008677B1/ru unknown
- 2004-09-02 KR KR1020057022647A patent/KR101086940B1/ko active IP Right Grant
- 2004-09-02 ES ES04787093T patent/ES2314453T3/es not_active Expired - Lifetime
- 2004-09-02 AU AU2004302919A patent/AU2004302919B2/en not_active Expired
- 2004-09-02 EP EP04787093A patent/EP1661296B1/en not_active Expired - Lifetime
- 2004-09-02 BR BRPI0411184-2A patent/BRPI0411184A/pt not_active Application Discontinuation
- 2004-09-02 AP AP2005003444A patent/AP1949A/xx active
- 2004-09-02 AT AT04787093T patent/ATE407493T1/de active
- 2004-09-02 PT PT04787093T patent/PT1661296E/pt unknown
- 2004-09-02 DE DE602004016350T patent/DE602004016350D1/de not_active Expired - Lifetime
- 2004-09-02 CN CNB2004800181410A patent/CN100574183C/zh not_active Expired - Lifetime
- 2004-09-02 DK DK04787093T patent/DK1661296T3/da active
- 2004-09-02 SI SI200430918T patent/SI1661296T1/sl unknown
- 2004-09-02 NZ NZ543948A patent/NZ543948A/en not_active IP Right Cessation
- 2004-09-02 PL PL04787093T patent/PL1661296T3/pl unknown
- 2004-09-02 WO PCT/EP2004/052020 patent/WO2005025123A1/en active IP Right Grant
- 2004-09-02 CA CA2525541A patent/CA2525541C/en not_active Expired - Fee Related
-
2005
- 2005-11-14 IL IL171934A patent/IL171934A/en not_active IP Right Cessation
- 2005-11-15 NO NO20055403A patent/NO20055403L/no not_active Application Discontinuation
-
2006
- 2006-06-07 HK HK06106469A patent/HK1085592A1/xx not_active IP Right Cessation
-
2008
- 2008-10-20 HR HR20080526T patent/HRP20080526T3/xx unknown
Also Published As
Publication number | Publication date |
---|---|
EP1661296A1 (en) | 2006-05-31 |
NZ543948A (en) | 2007-08-31 |
US20050053233A1 (en) | 2005-03-10 |
IL171934A (en) | 2010-11-30 |
DK1661296T3 (da) | 2008-12-08 |
EP1661296B1 (en) | 2008-09-03 |
WO2005025123A1 (en) | 2005-03-17 |
AU2004302919A1 (en) | 2005-03-17 |
ATE407493T1 (de) | 2008-09-15 |
BRPI0411184A (pt) | 2006-07-25 |
CA2525541A1 (en) | 2005-03-17 |
HRP20080526T3 (en) | 2008-11-30 |
ES2314453T3 (es) | 2009-03-16 |
AP1949A (en) | 2009-02-05 |
AP2005003444A0 (en) | 2005-12-31 |
JP4673857B2 (ja) | 2011-04-20 |
NO20055403L (no) | 2005-11-18 |
CN1813439A (zh) | 2006-08-02 |
JP2007532935A (ja) | 2007-11-15 |
AU2004302919B2 (en) | 2009-03-05 |
PL1661296T3 (pl) | 2009-02-27 |
CN100574183C (zh) | 2009-12-23 |
EP1513285A1 (en) | 2005-03-09 |
DE602004016350D1 (de) | 2008-10-16 |
KR101086940B1 (ko) | 2011-11-29 |
EA008677B1 (ru) | 2007-06-29 |
SI1661296T1 (sl) | 2009-02-28 |
US7512241B2 (en) | 2009-03-31 |
IL171934A0 (en) | 2006-04-10 |
PT1661296E (pt) | 2008-10-08 |
HK1085592A1 (en) | 2006-08-25 |
EA200501622A1 (ru) | 2006-08-25 |
CA2525541C (en) | 2013-03-26 |
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