KR20010009725A - 무선통신환경에서의 데이터 암호화방법 - Google Patents
무선통신환경에서의 데이터 암호화방법 Download PDFInfo
- Publication number
- KR20010009725A KR20010009725A KR1019990028260A KR19990028260A KR20010009725A KR 20010009725 A KR20010009725 A KR 20010009725A KR 1019990028260 A KR1019990028260 A KR 1019990028260A KR 19990028260 A KR19990028260 A KR 19990028260A KR 20010009725 A KR20010009725 A KR 20010009725A
- Authority
- KR
- South Korea
- Prior art keywords
- input
- block
- bit
- right block
- function
- 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.)
- Granted
Links
- 238000004891 communication Methods 0.000 title abstract description 16
- 238000000034 method Methods 0.000 title abstract description 13
- 238000010295 mobile communication Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 238000013478 data encryption standard Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012827 research and development Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 1
- 238000012550 audit Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
Classifications
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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
- H04L9/06—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
- H04L9/0625—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation with splitting of the data block into left and right halves, e.g. Feistel based algorithms, DES, FEAL, IDEA or KASUMI
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (2)
- 메시지를 입력받아 이등분하여 우측 블록과 좌측 블록으로 나누어 입력하는 제1단계와;상기 우측 블록으로 입력된 비트스트림을 다음 라운드의 좌측 블록과 F 함수로 입력하는 제2단계;상기 F 함수가 상기 우측 블록의 비트스트림과 좌측 블록으로 입력된 비트스트림을 비트 배타적-논리합한 후, 그 출력값을 다음 라운드의 우측 블록으로 입력하는 제3단계; 및상기 제2단계 내지 제3단계를 일정 횟수 반복 수행한 후 그 결과값을 전치한 후 최종 암호화된 스트림을 출력하는 제4단계를 포함한 것을 특징으로 하는 무선통신환경에서의 데이터 암호화방법,
- 컴퓨터에,메시지를 입력받아 이등분하여 우측 블록과 좌측 블록으로 나누어 입력하는 제1단계와;상기 우측 블록으로 입력된 비트스트림을 다음 라운드의 좌측 블록과 F 함수로 입력하는 제2단계;상기 F 함수가 상기 우측 블록의 비트스트림과 좌측 블록으로 입력된 비트스트림을 비트 배타적-논리합한 후, 그 출력값을 다음 라운드의 우측 블록으로 입력하는 제3단계; 및상기 제2단계 내지 제3단계를 일정 횟수 반복 수행한 후 그 결과값을 전치한 후 최종 암호화된 스트림을 출력하는 제4단계를 실행하기 위한 프로그램을 기록한 컴퓨터에 읽을 수 있는 기록매체.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990028260A KR100607464B1 (ko) | 1999-07-13 | 1999-07-13 | 무선통신환경에서의 데이터 암호화방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990028260A KR100607464B1 (ko) | 1999-07-13 | 1999-07-13 | 무선통신환경에서의 데이터 암호화방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010009725A true KR20010009725A (ko) | 2001-02-05 |
KR100607464B1 KR100607464B1 (ko) | 2006-08-02 |
Family
ID=19601404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990028260A Expired - Lifetime KR100607464B1 (ko) | 1999-07-13 | 1999-07-13 | 무선통신환경에서의 데이터 암호화방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100607464B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100446533B1 (ko) * | 2002-10-08 | 2004-09-01 | 삼성전자주식회사 | 무선 통신 시스템에서 암호화 장치 및 방법 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5511123A (en) * | 1994-08-04 | 1996-04-23 | Northern Telecom Limited | Symmetric cryptographic system for data encryption |
JPH1124558A (ja) * | 1997-06-30 | 1999-01-29 | Nippon Telegr & Teleph Corp <Ntt> | 暗号装置 |
KR100296958B1 (ko) * | 1998-05-06 | 2001-09-22 | 이석우 | 블록 데이터 암호화 장치 |
KR100309565B1 (ko) * | 1998-09-25 | 2001-12-17 | 김용만 | 파이스텔네트워크를이용한데이터암호화방법 |
-
1999
- 1999-07-13 KR KR1019990028260A patent/KR100607464B1/ko not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100446533B1 (ko) * | 2002-10-08 | 2004-09-01 | 삼성전자주식회사 | 무선 통신 시스템에서 암호화 장치 및 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR100607464B1 (ko) | 2006-08-02 |
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