KR19990063778A - 정보 암호화 방법 - Google Patents
정보 암호화 방법 Download PDFInfo
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- KR19990063778A KR19990063778A KR1019980702245A KR19980702245A KR19990063778A KR 19990063778 A KR19990063778 A KR 19990063778A KR 1019980702245 A KR1019980702245 A KR 1019980702245A KR 19980702245 A KR19980702245 A KR 19980702245A KR 19990063778 A KR19990063778 A KR 19990063778A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000004422 calculation algorithm Methods 0.000 claims abstract description 50
- 101150073246 AGL1 gene Proteins 0.000 claims description 3
- 230000011664 signaling Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 238000013475 authorization Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 102100039059 Dol-P-Man:Man(5)GlcNAc(2)-PP-Dol alpha-1,3-mannosyltransferase Human genes 0.000 description 5
- 101000958975 Homo sapiens Dol-P-Man:Man(5)GlcNAc(2)-PP-Dol alpha-1,3-mannosyltransferase Proteins 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 102100040428 Chitobiosyldiphosphodolichol beta-mannosyltransferase Human genes 0.000 description 4
- 101000891557 Homo sapiens Chitobiosyldiphosphodolichol beta-mannosyltransferase Proteins 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 102100040427 Alpha-1,3/1,6-mannosyltransferase ALG2 Human genes 0.000 description 2
- 101000891547 Homo sapiens Alpha-1,3/1,6-mannosyltransferase ALG2 Proteins 0.000 description 2
- 101001106045 Homo sapiens Regulator of nonsense transcripts 2 Proteins 0.000 description 2
- 102100021087 Regulator of nonsense transcripts 2 Human genes 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 101100096931 Arabidopsis thaliana SEP1 gene Proteins 0.000 description 1
- 101100378577 Hypocrea jecorina agl2 gene Proteins 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000012549 training Methods 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
- H04L9/065—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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
-
- 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
- H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
- H04L9/16—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms the keys or algorithms being changed during operation
-
- 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
- H04W12/037—Protecting confidentiality, e.g. by encryption of the control plane, e.g. signalling traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
-
- 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
- H04L2209/80—Wireless
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (5)
- 시분할 다중 접속개념에 따라 동작하는 이동무선 시스템에서 고정망(MSC ,BSS) 및 이동국(MS)간에 송신된 정보 암호화 방법에서, 정보는 적어도 2개의 블록(B1, B2)으로 분할되고 프레임 시퀀스의 각 프레임에서 상기 블록들에 대응하는 적어도 2개의 시간슬롯(TS1, TS2)에서 송신되고, 암호화는a) 정보가 송신되는 프레임의 암호화 키(Kc) 및 서수(FN)로부터 설정된 암호화 알고리즘(A5)에 따라 의사-임의 시퀀스(PS)를 형성하는 단계와;b) 암호화된 정보(BK1, BK2)를 얻기 위해 비-암호화된 정보의 각 블록(B1 및 B2) 및 상기 의사-임의 시퀀스(PS)간의 논리동작(EXOR)을 수행하는 단계에 의해 행해지는 정보 암호화 방법에 있어서,c) 변경된 암호화 키(Kc')를 얻기 위해 설정된 알고리즘(ALG1)에 따라 시간슬롯의 서수(TSn)에 의존해서 상기 암호화 키(Kc)를 변경하는 단계와;d) 상기 암호화 알고리즘(A5)에 따라 최종 변경된 암호화 키(Kc')로부터 변경된 의사-임의 시퀀스(PSm')를 형성하는 단계와;e) 비-암호화된 정보의 각 블록(B1 및 B2)에 대해 변경된 의사-임의 시퀀스(PSm') 상에서 상기 논리동작(EXOR)을 수행하는 단계를 구비하는 것을 특징으로 하는 정보 암호화 방법.
- 제1항에 있어서, 상기 변경된 암호화 키를 형성하기 위해 서수를 사용했던 시간슬롯(TS1)에 속하는 정보블록(B1) 상에서 e)에 따라 수행된 동작을 수행하는 단계를 특징으로 하는 정보 암호화 방법.
- 시분할 다중 접속개념에 따라 동작하는 이동무선 시스템에서 고정망(N) 및 이동국(MS)간에 송신된 정보 암호화 방법에서, 정보는 적어도 2개의 블록(B1, B2)으로 분할되고, 프레임 시퀀스의 각 프레임에서 상기 블록들에 대응하는 적어도 2개의 시간슬롯(TS1, TS2)에서 송신되고, 암호화는a) 정보가 송신되는 프레임의 암호화 키(Kc) 및 서수(FN)로부터 설정된 암호화 알고리즘(A5)에 따라 의사-임의 시퀀스(PS)를 형성하는 단계와;b) 암호화된 정보(BK1, BK2)를 얻기 위해 비-암호화된 정보의 각 블록(B1 및 B2) 및 상기 의사-임의 시퀀스(PS)간의 논리동작(EXOR)을 수행하는 단계에 의해 행해지는 정보 암호화 방법에 있어서,c) 설정된 알고리즘(ALG2)에 따라 관련된 시간슬롯의 서수(TSn)에 의존해서 상기 프레임번호(FN)를 변경하는 단계와;d) 상기 암호화 알고리즘(A5)에 따라 얻어져 변경된 프레임번호(FN')로부터 변경된 의사-임의 시퀀스(PSm')를 형성하는 단계와;e) 비-암호화된 정보의 각 블록(B1 및 B2)에 대해 변경된 의사-임의 시퀀스(PSm') 상에서 상기 논리동작(EXOR)을 수행하는 단계를 구비하는 것을 특징으로 하는 정보 암호화 방법.
- 시분할 다중 접속개념에 따라 동작하는 이동무선 시스템에서 고정망(N) 및 이동국(MS)간에 송신된 정보 암호화 방법에서, 정보는 적어도 2개의 블록(B1, B2)으로 분할되고, 프레임 시퀀스의 각 프레임에서 상기 블록들에 대응하는 적어도 2개의 시간슬롯(TS1, TS2)에서 송신되고, 암호화는a) 정보가 설정된 암호화 알고리즘(A5)에 따라 송신되는 프레임의 암호화 키(Kc) 및 서수(FN)로부터 의사-임의 시퀀스(PS)를 형성하는 단계와;b) 비-암호화된 정보(INF01)의 각 블록 및 상기 의사-임의 시퀀스간의 논리 동작(EXOR)을 수행하는 단계에 의해 행해지는 정보 암호화 방법에 있어서,c) 설정된 알고리즘(ALG1)에 따라 및 관련한 시간슬롯의 서수(TSn)에 의존해서 상기 암호화 키(Kc)를 변경하는 단계와;d) 상기 암호화 알고리즘(A5)에 따라 얻어져서 변경된 암호화 키(Kc')로부터 변경된 의사-임의 시퀀스(PSm')를 형성하는 단계와;e) 설정된 알고리즘(ALG2)에 따라 관련한 시간슬롯의 서수(TSn)에 의존해서 상기 프레임번호(FN)를 변경하는 단계와;f) 상기 암호화 알고리즘(A5)에 따라 얻어져서 변경된 프레임번호(FN')로부터 변경된 의사-임의 시퀀스(PSm')를 형성하는 단계와;g) 비-암호화된 정보의 각 블록(B1 및 B2)에 대해 변경된 의사-임의 시퀀스(PSm') 상에서 상기 논리 동작(EXOR)을 수행하는 단계를 구비하는 것을 특징으로 하는 정보 암호화 방법.
- 시분할 다중 접속개념에 따라 동작하는 이동무선 시스템에서 고정망(N) 및 이동국(MS)간에 송신된 정보 암호화 방법에서, 정보는 적어도 2개의 블록(B1, B2)으로 분할되고, 프레임 시퀀스의 각 프레임에서 상기 블록들에 대응하는 적어도 2개의 시간슬롯(TS1, TS2)에서 송신되고, 암호화는a) 정보가 설정된 암호화 알고리즘(A5)에 따라, 송신되는 프레임의 암호화 키(Kc) 및 서수(FN)로부터 의사-임의 시퀀스(PS)를 형성하는 단계와;b) 비-암호화된 정보(INF01)의 각 블록 및 상기 의사-임의 시퀀스간의 논리 동작(EXOR)을 수행하는 단계에 의해 행해지는 정보 암호화 방법에 있어서,c) 변경된 의사-임의 시퀀스로써, 암호화 되는 정보블록(B1 또는 B2)이 설정된 알고리즘(ALG36)에 송신되는 시간슬롯의 서수(TSn)에 의존해서 상기 의사-임의 시퀀스(PS)로부터 변경된 의사-임의 시퀀스(PSm')를 형성하는 단계와;d) 비-암호화된 정보의 각 블록(B1 및 B2)에 대해 변경된 의사-임의 시퀀스(PSm') 상에서 상기 논리동작(EXOR)을 수행하는 단계를 구비하는 것을 특징으로 하는 정보 암호화 방법.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9503343-7 | 1995-09-27 | ||
| SE9503343A SE506619C2 (sv) | 1995-09-27 | 1995-09-27 | Metod för kryptering av information |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19990063778A true KR19990063778A (ko) | 1999-07-26 |
| KR100406245B1 KR100406245B1 (ko) | 2004-03-26 |
Family
ID=20399611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-1998-0702245A Expired - Lifetime KR100406245B1 (ko) | 1995-09-27 | 1996-09-18 | 정보암호화방법 |
Country Status (12)
| Country | Link |
|---|---|
| US (2) | US5987139A (ko) |
| EP (1) | EP0872078B1 (ko) |
| JP (1) | JP3258670B2 (ko) |
| KR (1) | KR100406245B1 (ko) |
| CN (1) | CN1140974C (ko) |
| AU (1) | AU712649B2 (ko) |
| CA (1) | CA2233463C (ko) |
| DE (1) | DE69628329T2 (ko) |
| ES (1) | ES2199297T3 (ko) |
| NZ (1) | NZ318911A (ko) |
| SE (1) | SE506619C2 (ko) |
| WO (1) | WO1997012461A1 (ko) |
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| FI101670B (fi) * | 1995-12-15 | 1998-07-31 | Nokia Mobile Phones Ltd | Menetelmä matkaviestinverkon ja matkaviestimen välisen tiedonsiirron s alauksen ilmaisemiseksi |
| JPH10301492A (ja) | 1997-04-23 | 1998-11-13 | Sony Corp | 暗号化装置および方法、復号装置および方法、並びに情報処理装置および方法 |
| FI105253B (fi) * | 1997-11-11 | 2000-06-30 | Sonera Oyj | Siemenluvun generointi |
| US6690798B1 (en) * | 1997-12-10 | 2004-02-10 | Ericsson Inc. | Key transforms to discriminate between beams in a multi-beam satellite communication system |
| RU2141729C1 (ru) * | 1998-01-19 | 1999-11-20 | Государственное унитарное предприятие Специализированный центр программных систем "Спектр" | Способ криптографического преобразования блоков двоичных данных |
| FI111433B (fi) | 1998-01-29 | 2003-07-15 | Nokia Corp | Menetelmä tiedonsiirron salaamiseksi ja solukkoradiojärjestelmä |
| US6334185B1 (en) * | 1998-09-08 | 2001-12-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for centralized encryption key calculation |
| CA2296967A1 (en) * | 1999-02-02 | 2000-08-02 | Gregory S. Caso | Show-thru prevention and user authentication of uplink bursts without overhead |
| FI107487B (fi) | 1999-03-08 | 2001-08-15 | Nokia Mobile Phones Ltd | Datalähetyksen salausmenetelmä radiojärjestelmässä |
| GB2349311A (en) * | 1999-04-20 | 2000-10-25 | Motorola Ltd | Digital radio signal encryption/decryption |
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| FR2808944B1 (fr) * | 2000-05-12 | 2002-08-09 | Agence Spatiale Europeenne | Procede et systeme de localisation par satellites |
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| US20020085712A1 (en) * | 2001-01-03 | 2002-07-04 | International Business Machines Corporation | Technique for efficiently generating pseudo-random bits |
| JP4659357B2 (ja) * | 2001-09-21 | 2011-03-30 | ザ・ディレクティービー・グループ・インコーポレイテッド | 条件付アクセスモジュールと、集積受信機およびデコーダの対動作を制御する方法および装置 |
| US8121292B2 (en) * | 2002-02-26 | 2012-02-21 | Qualcomm Incorporated | Method and apparatus for scrambling information bits on a channel in a communications system |
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| JPS57154956A (en) * | 1981-03-19 | 1982-09-24 | Fuji Xerox Co Ltd | Transmitting system of digital signal |
| US4791669A (en) * | 1985-11-30 | 1988-12-13 | Nec Corporation | Encryption/decryption system |
| US4815128A (en) * | 1986-07-03 | 1989-03-21 | Motorola, Inc. | Gateway system and method for interconnecting telephone calls with a digital voice protected radio network |
| US5412730A (en) * | 1989-10-06 | 1995-05-02 | Telequip Corporation | Encrypted data transmission system employing means for randomly altering the encryption keys |
| US5148485A (en) * | 1990-07-20 | 1992-09-15 | Ericsson Ge Mobile Communications Holding, Inc. | Encrypton system for digital cellular communications |
| JPH0812537B2 (ja) * | 1993-03-11 | 1996-02-07 | 日本電気株式会社 | 暗号化装置 |
| SE9304119D0 (sv) * | 1993-12-10 | 1993-12-10 | Ericsson Ge Mobile Communicat | Apparatuses and mobile stations for providing packet data communication in digital TDMA cellular systems |
-
1995
- 1995-09-27 SE SE9503343A patent/SE506619C2/sv not_active IP Right Cessation
-
1996
- 1996-09-18 KR KR10-1998-0702245A patent/KR100406245B1/ko not_active Expired - Lifetime
- 1996-09-18 US US08/765,269 patent/US5987139A/en not_active Expired - Lifetime
- 1996-09-18 CA CA002233463A patent/CA2233463C/en not_active Expired - Lifetime
- 1996-09-18 EP EP96932115A patent/EP0872078B1/en not_active Expired - Lifetime
- 1996-09-18 CN CNB961972645A patent/CN1140974C/zh not_active Expired - Lifetime
- 1996-09-18 ES ES96932115T patent/ES2199297T3/es not_active Expired - Lifetime
- 1996-09-18 NZ NZ318911A patent/NZ318911A/xx not_active IP Right Cessation
- 1996-09-18 AU AU71021/96A patent/AU712649B2/en not_active Expired
- 1996-09-18 WO PCT/SE1996/001156 patent/WO1997012461A1/en not_active Ceased
- 1996-09-18 DE DE69628329T patent/DE69628329T2/de not_active Expired - Lifetime
- 1996-09-18 JP JP51334097A patent/JP3258670B2/ja not_active Expired - Lifetime
-
1999
- 1999-10-01 US US09/410,044 patent/US6973189B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11511629A (ja) | 1999-10-05 |
| AU712649B2 (en) | 1999-11-11 |
| US5987139A (en) | 1999-11-16 |
| US6973189B1 (en) | 2005-12-06 |
| EP0872078A1 (en) | 1998-10-21 |
| SE9503343D0 (sv) | 1995-09-27 |
| KR100406245B1 (ko) | 2004-03-26 |
| DE69628329T2 (de) | 2003-12-11 |
| NZ318911A (en) | 1999-06-29 |
| SE506619C2 (sv) | 1998-01-19 |
| CA2233463C (en) | 2007-11-20 |
| WO1997012461A1 (en) | 1997-04-03 |
| CA2233463A1 (en) | 1997-04-03 |
| EP0872078B1 (en) | 2003-05-21 |
| AU7102196A (en) | 1997-04-17 |
| CN1198278A (zh) | 1998-11-04 |
| SE9503343L (sv) | 1997-03-28 |
| JP3258670B2 (ja) | 2002-02-18 |
| CN1140974C (zh) | 2004-03-03 |
| ES2199297T3 (es) | 2004-02-16 |
| DE69628329D1 (de) | 2003-06-26 |
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