JPS6333749B2 - - Google Patents

Info

Publication number
JPS6333749B2
JPS6333749B2 JP54154540A JP15454079A JPS6333749B2 JP S6333749 B2 JPS6333749 B2 JP S6333749B2 JP 54154540 A JP54154540 A JP 54154540A JP 15454079 A JP15454079 A JP 15454079A JP S6333749 B2 JPS6333749 B2 JP S6333749B2
Authority
JP
Japan
Prior art keywords
block
register
length
input
chain value
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
Application number
JP54154540A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5592483A (en
Inventor
Maikeru Matsuchasu Suchiibun
Haintsu Uiruherumu Meiyaa Kaaru
Buraianto Tatsukaaman Saado Ruisu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of JPS5592483A publication Critical patent/JPS5592483A/ja
Publication of JPS6333749B2 publication Critical patent/JPS6333749B2/ja
Granted legal-status Critical Current

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
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
    • 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
    • H04L2209/12—Details relating to cryptographic hardware or logic circuitry

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
  • Lock And Its Accessories (AREA)
JP15454079A 1978-12-29 1979-11-30 Key control coding system Granted JPS5592483A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/974,596 US4229818A (en) 1978-12-29 1978-12-29 Method and apparatus for enciphering blocks which succeed short blocks in a key-controlled block-cipher cryptographic system

Publications (2)

Publication Number Publication Date
JPS5592483A JPS5592483A (en) 1980-07-12
JPS6333749B2 true JPS6333749B2 (ref) 1988-07-06

Family

ID=25522237

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15454079A Granted JPS5592483A (en) 1978-12-29 1979-11-30 Key control coding system

Country Status (6)

Country Link
US (1) US4229818A (ref)
EP (1) EP0012974B1 (ref)
JP (1) JPS5592483A (ref)
CA (1) CA1127258A (ref)
DE (1) DE2965551D1 (ref)
IT (1) IT1163746B (ref)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4520232A (en) * 1982-04-30 1985-05-28 Wilson William J Polygraphic encryption-decryption system
US4621334A (en) * 1983-08-26 1986-11-04 Electronic Signature Lock Corporation Personal identification apparatus
JP3053527B2 (ja) * 1993-07-30 2000-06-19 インターナショナル・ビジネス・マシーンズ・コーポレイション パスワードを有効化する方法及び装置、パスワードを生成し且つ予備的に有効化する方法及び装置、認証コードを使用して資源のアクセスを制御する方法及び装置
US5432848A (en) * 1994-04-15 1995-07-11 International Business Machines Corporation DES encryption and decryption unit with error checking
US5671283A (en) * 1995-06-08 1997-09-23 Wave Systems Corp. Secure communication system with cross linked cryptographic codes
US5684876A (en) * 1995-11-15 1997-11-04 Scientific-Atlanta, Inc. Apparatus and method for cipher stealing when encrypting MPEG transport packets
US6459792B2 (en) * 1997-04-23 2002-10-01 Matsushita Electric Industrial Co., Ltd. Block cipher using key data merged with an intermediate block generated from a previous block
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
JP3712422B2 (ja) 1997-05-07 2005-11-02 シーメンス アクチエンゲゼルシヤフト デジタルデータの符号化、伝送、復号化のための方法および装置
TW375721B (en) 1998-06-17 1999-12-01 Ind Tech Res Inst DES chip processor capable of executing data encryption standard (DES) operation
US6944296B1 (en) * 1999-03-24 2005-09-13 Intel Corporation Video bit scrambling
DE60024941T8 (de) * 1999-08-31 2006-08-10 Matsushita Electric Industrial Co., Ltd., Kadoma Verschlüsselungsverfahren und -Vorrichtung, Entschlüsselungsverfahren und -Vorrichtung
US7200227B2 (en) * 2001-07-30 2007-04-03 Phillip Rogaway Method and apparatus for facilitating efficient authenticated encryption
RU2211541C2 (ru) * 2001-11-08 2003-08-27 Государственное унитарное предприятие Специализированный центр программных систем "Спектр" Способ криптографического преобразования блоков цифровых данных
US20040088539A1 (en) * 2002-11-01 2004-05-06 Infante Steven D. System and method for securing digital messages
US20060088156A1 (en) * 2003-03-27 2006-04-27 Nds Limited, One London Road, Staines Cfm mode system
CN101536394B (zh) 2005-05-02 2012-05-30 Nds有限公司 本地加扰系统
US7546461B2 (en) * 2005-06-28 2009-06-09 Microsoft Corporation Strengthening secure hash functions
US7725719B2 (en) * 2005-11-08 2010-05-25 International Business Machines Corporation Method and system for generating ciphertext and message authentication codes utilizing shared hardware
US11488134B2 (en) * 2008-05-02 2022-11-01 Micro Focus Llc Format-preserving cryptographic systems
FR2966953B1 (fr) * 2010-11-02 2015-08-28 St Microelectronics Rousset Procede de contremesure cryptographique par derivation d'une donnee secrete
US9088805B2 (en) * 2012-02-08 2015-07-21 Vixs Systems, Inc. Encrypted memory device and methods for use therewith
CN104335522A (zh) * 2012-03-21 2015-02-04 爱迪德加拿大公司 用于链变换的方法和系统
CN107292618B (zh) * 2016-04-11 2020-04-28 阿里巴巴集团控股有限公司 数据库中密文数据换密失败的处理方法和装置
US12574209B2 (en) * 2022-12-16 2026-03-10 International Business Machines Corporation Data protection using portable data structures

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074066A (en) * 1976-04-26 1978-02-14 International Business Machines Corporation Message verification and transmission error detection by block chaining
US4078152A (en) * 1976-04-26 1978-03-07 International Business Machines Corporation Block-cipher cryptographic system with chaining

Also Published As

Publication number Publication date
EP0012974A1 (de) 1980-07-09
IT7928247A0 (it) 1979-12-20
DE2965551D1 (en) 1983-07-07
JPS5592483A (en) 1980-07-12
IT1163746B (it) 1987-04-08
CA1127258A (en) 1982-07-06
US4229818A (en) 1980-10-21
EP0012974B1 (de) 1983-05-25

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