KR100420552B1 - 데이타의 암호화 방법 및 장치 - Google Patents
데이타의 암호화 방법 및 장치 Download PDFInfo
- Publication number
- KR100420552B1 KR100420552B1 KR1020020048389A KR20020048389A KR100420552B1 KR 100420552 B1 KR100420552 B1 KR 100420552B1 KR 1020020048389 A KR1020020048389 A KR 1020020048389A KR 20020048389 A KR20020048389 A KR 20020048389A KR 100420552 B1 KR100420552 B1 KR 100420552B1
- Authority
- KR
- South Korea
- Prior art keywords
- data
- encryption
- random number
- block
- compression
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
- H04L9/0631—Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms
-
- 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
-
- 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
-
- 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
- H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
-
- 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
- H04L2209/30—Compression, e.g. Merkle-Damgard construction
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Storage Device Security (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Collating Specific Patterns (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
Description
Claims (9)
- 평문데이타 블럭의 암호화키로서 다른 블럭의 암호화의 중간결과를 사용하는 정보처리방법에 있어서,데이타를 입력 또는 수신하는 스텝 및상기 데이타를 암호화하는 스텝을 포함하며,상기 데이타 암호화 스텝은난수를 발생하는 스텝과 상기 난수 또는 상기 난수에 의존해서 산출된 값을 상기 데이타의 암호화의 파라미터로 설정하는 스텝을 포함하고,상기 난수는 초기값에 대해서 암호화처리를 반복 실행하는 것에 의해 발생되는 것을 특징으로 하는 정보처리방법.
- 평문데이타 블럭의 암호화키로서 다른 블럭의 암호화의 중간결과를 사용하는 정보처리방법에 있어서,데이타를 입력 또는 수신하는 스텝 및상기 데이타를 암호화하는 스텝을 포함하며,상기 데이타 암호화 스텝은난수를 발생하는 스텝과 상기 난수 또는 상기 난수에 의존해서 산출된 값을 상기 데이타의 암호화의 파라미터로 설정하는 스텝을 포함하고,상기 난수 발생 스텝의 동작을 반복해서 실행하는 것에 의해 여러개의 난수를 발생하고, 이 난수를 상기 데이타의 여러 부분의 암호화의 파라미터로 설정하는 것을 특징으로 하는 정보처리방법.
- 제1항에 있어서,상기 난수 발생 스텝의 처리를 반복해서 실행하는 것에 의해 여러개의 난수가 얻어지고, 이 난수를 상기 데이타의 여러 부분의 암호화의 파라미터로 설정하는 것을 특징으로 하는 정보처리방법.
- 삭제
- 제1항에 있어서,상기 난수 또는 상기 난수에 의존해서 산출된 값을 암호화된 데이타에 부가하는 것을 특징으로 하는 정보처리방법.
- 제2항에 있어서,상기 난수 또는 상기 난수에 의존해서 산출된 값을 암호화된 데이타에 부가하는 것을 특징으로 하는 정보처리방법.
- 제1항에 있어서,상기 난수 또는 상기 난수에 의존해서 산출된 값을 상기 암호화된 데이타의 복호화에 사용하는 것을 특징으로 하는 정보처리방법.
- 제2항에 있어서,상기 난수 또는 상기 난수에 의존해서 산출된 값을 상기 암호화된 데이타의 복호화에 사용하는 것을 특징으로 하는 정보처리방법.
- 삭제
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04093196A JP3746098B2 (ja) | 1996-02-28 | 1996-02-28 | データの暗号化装置 |
| JPJP-P-1996-00040931 | 1996-02-28 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019970004889A Division KR100471738B1 (ko) | 1996-02-28 | 1997-02-18 | 데이타의암호화방법및장치 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR100420552B1 true KR100420552B1 (ko) | 2004-03-02 |
Family
ID=12594257
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019970004889A Expired - Fee Related KR100471738B1 (ko) | 1996-02-28 | 1997-02-18 | 데이타의암호화방법및장치 |
| KR1020020048389A Expired - Fee Related KR100420552B1 (ko) | 1996-02-28 | 2002-08-16 | 데이타의 암호화 방법 및 장치 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019970004889A Expired - Fee Related KR100471738B1 (ko) | 1996-02-28 | 1997-02-18 | 데이타의암호화방법및장치 |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US6157720A (ko) |
| EP (1) | EP0793366B1 (ko) |
| JP (1) | JP3746098B2 (ko) |
| KR (2) | KR100471738B1 (ko) |
| CN (1) | CN1139221C (ko) |
| AU (1) | AU693733B2 (ko) |
| DE (1) | DE69736148T2 (ko) |
| IN (1) | IN191843B (ko) |
| SG (1) | SG79936A1 (ko) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3746098B2 (ja) * | 1996-02-28 | 2006-02-15 | 株式会社日立製作所 | データの暗号化装置 |
| US6154542A (en) * | 1997-12-17 | 2000-11-28 | Apple Computer, Inc. | Method and apparatus for simultaneously encrypting and compressing data |
| MY131509A (en) * | 1999-03-15 | 2007-08-30 | Sony Corp | Data processing method, apparatus and system for encrypted- data transfer |
| JP2000305453A (ja) | 1999-04-21 | 2000-11-02 | Nec Corp | 暗号化装置,復号装置,および暗号化・復号装置 |
| AU4235900A (en) * | 1999-05-04 | 2000-11-17 | General Instrument Corporation | Method and apparatus for access control of pre-encrypted on-demand television services |
| WO2001073567A1 (en) * | 2000-03-28 | 2001-10-04 | Oak Technology, Inc. | Secure compact disc technology |
| JP2002009757A (ja) * | 2000-06-20 | 2002-01-11 | Casio Comput Co Ltd | データ暗号化装置及びデータ復号化装置 |
| JP2002082732A (ja) * | 2000-09-06 | 2002-03-22 | Nec Corp | プログラムコードの不正改竄防止システム及びその方法並びにその制御プログラムを記録した記録媒体 |
| MXPA03009748A (es) * | 2001-04-27 | 2004-06-30 | Simdesk Technologies Inc | Sistema servidor de alta velocidad. |
| US20030043852A1 (en) * | 2001-05-18 | 2003-03-06 | Bijan Tadayon | Method and apparatus for verifying data integrity based on data compression parameters |
| US7239708B2 (en) * | 2001-06-27 | 2007-07-03 | Microsoft Corporation | Protecting decrypted compressed content and decrypted decompressed content at a digital rights management client |
| US20040025039A1 (en) * | 2002-04-30 | 2004-02-05 | Adam Kuenzi | Lock box security system with improved communication |
| US7061367B2 (en) | 2002-04-30 | 2006-06-13 | General Electric Company | Managing access to physical assets |
| US6920484B2 (en) * | 2002-05-13 | 2005-07-19 | Nvidia Corporation | Method and apparatus for providing an integrated virtual disk subsystem |
| US7120653B2 (en) * | 2002-05-13 | 2006-10-10 | Nvidia Corporation | Method and apparatus for providing an integrated file system |
| US6700513B2 (en) * | 2002-05-14 | 2004-03-02 | Microsoft Corporation | Method and system for compressing and decompressing multiple independent blocks |
| KR100560658B1 (ko) * | 2003-02-17 | 2006-03-16 | 삼성전자주식회사 | 고속의 오프셋 코드북 모드를 위한 암호화 장치 및 그 방법 |
| JP2005217842A (ja) * | 2004-01-30 | 2005-08-11 | Fujitsu Ltd | データ圧縮方法、データ復元方法及びそのプログラム |
| FR2867337B1 (fr) * | 2004-03-08 | 2006-05-12 | Medialive | Procede et systeme de distribution securisee de textes numeriques compresses |
| FR2889637B1 (fr) * | 2005-08-04 | 2007-10-19 | Everbee Networks Sa | Procede et systeme de chiffrement a haut debit |
| CN101064595B (zh) * | 2006-04-27 | 2011-07-27 | 联想(北京)有限公司 | 一种计算机网络安全输入认证系统和方法 |
| US8769311B2 (en) | 2006-05-31 | 2014-07-01 | International Business Machines Corporation | Systems and methods for transformation of logical data objects for storage |
| US8626726B2 (en) | 2006-05-31 | 2014-01-07 | International Business Machines Corporation | Method and system for transformation of logical data objects for storage |
| US9670694B2 (en) | 2007-04-12 | 2017-06-06 | Utc Fire & Security Americas Corporation, Inc. | Restricted range lockbox, access device and methods |
| EP2477363A4 (en) * | 2010-08-24 | 2012-08-22 | Huawei Tech Co Ltd | METHODS AND DEVICES FOR CONSTRUCTION, COMPRESSION AND CONSULTATION OF BINARY TREE |
| US8645713B2 (en) * | 2011-03-22 | 2014-02-04 | Fujitsu Limited | Encrypting method, recording medium of encrypting program, decrypting method, and recording medium of decrypting program |
| US8886926B2 (en) * | 2012-11-07 | 2014-11-11 | Centri Technology, Inc. | Single-pass data compression and encryption |
| JP2014116753A (ja) * | 2012-12-07 | 2014-06-26 | Mega Chips Corp | データ処理装置及び制御プログラム並びにデータ処理装置の動作方法 |
| JP2015114771A (ja) * | 2013-12-10 | 2015-06-22 | パテネット株式会社 | データ暗号化装置、データ復元装置、データ暗号化方法、データ復元方法、データ暗号化プログラムおよびデータ復元プログラム |
| WO2016030927A1 (ja) | 2014-08-28 | 2016-03-03 | 三菱電機株式会社 | プロセス解析装置、プロセス解析方法、及びプロセス解析プログラム |
| US11838402B2 (en) | 2019-03-13 | 2023-12-05 | The Research Foundation For The State University Of New York | Ultra low power core for lightweight encryption |
| KR102630287B1 (ko) * | 2020-12-14 | 2024-01-30 | 주식회사 네오수텍 | 가상카드번호 생성 스마트카드와 가상카드번호 복호화 장치 |
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| JPS6129232A (ja) | 1984-07-20 | 1986-02-10 | Hitachi Ltd | デ−タ暗号化伝送方式 |
| US5163586A (en) * | 1990-01-30 | 1992-11-17 | Additive Systems Inc. | Automotive fuel additive dispensing and blending system |
| DE4016203A1 (de) * | 1990-05-19 | 1991-11-21 | Rolf Prof Dr Trautner | Verfahren zur blockweisen chiffrierung von digitalen daten |
| NZ238651A (en) * | 1990-07-20 | 1994-04-27 | Ericsson Ge Mobile Communicat | Encryption system for digital cellular communications |
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-
1996
- 1996-02-28 JP JP04093196A patent/JP3746098B2/ja not_active Expired - Lifetime
-
1997
- 1997-02-18 KR KR1019970004889A patent/KR100471738B1/ko not_active Expired - Fee Related
- 1997-02-24 IN IN336CA1997 patent/IN191843B/en unknown
- 1997-02-26 US US08/806,609 patent/US6157720A/en not_active Expired - Lifetime
- 1997-02-26 EP EP97103154A patent/EP0793366B1/en not_active Expired - Lifetime
- 1997-02-26 DE DE69736148T patent/DE69736148T2/de not_active Expired - Lifetime
- 1997-02-27 AU AU14952/97A patent/AU693733B2/en not_active Ceased
- 1997-02-27 SG SG9700508A patent/SG79936A1/en unknown
- 1997-02-28 CN CNB971109400A patent/CN1139221C/zh not_active Expired - Fee Related
-
2000
- 2000-11-09 US US09/708,564 patent/US6504931B1/en not_active Expired - Lifetime
-
2002
- 2002-08-16 KR KR1020020048389A patent/KR100420552B1/ko not_active Expired - Fee Related
Non-Patent Citations (2)
| Title |
|---|
| Applied Cryptography, Bruce Schneier 저 * |
| Broadcasting classified information * |
Also Published As
| Publication number | Publication date |
|---|---|
| AU1495297A (en) | 1997-09-18 |
| CN1139221C (zh) | 2004-02-18 |
| DE69736148D1 (de) | 2006-08-03 |
| EP0793366A3 (en) | 2003-05-14 |
| JPH09230786A (ja) | 1997-09-05 |
| KR970064059A (ko) | 1997-09-12 |
| KR100471738B1 (ko) | 2005-07-18 |
| CN1171682A (zh) | 1998-01-28 |
| US6504931B1 (en) | 2003-01-07 |
| IN191843B (ko) | 2004-01-10 |
| EP0793366B1 (en) | 2006-06-21 |
| JP3746098B2 (ja) | 2006-02-15 |
| US6157720A (en) | 2000-12-05 |
| AU693733B2 (en) | 1998-07-02 |
| SG79936A1 (en) | 2001-04-17 |
| EP0793366A2 (en) | 1997-09-03 |
| DE69736148T2 (de) | 2007-01-11 |
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