IL128846A - Method and apparatus for data encryption - Google Patents

Method and apparatus for data encryption

Info

Publication number
IL128846A
IL128846A IL12884699A IL12884699A IL128846A IL 128846 A IL128846 A IL 128846A IL 12884699 A IL12884699 A IL 12884699A IL 12884699 A IL12884699 A IL 12884699A IL 128846 A IL128846 A IL 128846A
Authority
IL
Israel
Prior art keywords
data block
output signal
unit
key
block
Prior art date
Application number
IL12884699A
Other languages
English (en)
Other versions
IL128846A0 (en
Original Assignee
Harris 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 Harris Corp filed Critical Harris Corp
Publication of IL128846A0 publication Critical patent/IL128846A0/xx
Publication of IL128846A publication Critical patent/IL128846A/en

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
    • H04L2209/08—Randomization, e.g. dummy operations or using noise
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
IL12884699A 1998-03-06 1999-03-05 Method and apparatus for data encryption IL128846A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/035,765 US6108421A (en) 1998-03-06 1998-03-06 Method and apparatus for data encryption

Publications (2)

Publication Number Publication Date
IL128846A0 IL128846A0 (en) 2000-01-31
IL128846A true IL128846A (en) 2004-01-04

Family

ID=21884659

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12884699A IL128846A (en) 1998-03-06 1999-03-05 Method and apparatus for data encryption

Country Status (4)

Country Link
US (1) US6108421A (ja)
EP (1) EP0940943A3 (ja)
JP (1) JPH11298471A (ja)
IL (1) IL128846A (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100377172B1 (ko) * 2000-06-13 2003-03-26 주식회사 하이닉스반도체 데이터 암호화 표준 알고리즘을 이용한 암호화 장치의 키스케쥴러
US20020114453A1 (en) * 2001-02-21 2002-08-22 Bartholet Thomas G. System and method for secure cryptographic data transport and storage
EP1382056A4 (en) * 2001-04-07 2007-06-20 Telehublink Corp METHOD AND SYSTEMS FOR SECURING INTERMEDIATE COMMUNICATION DEVICES FROM SUBMITTED INFORMATION
US7251326B2 (en) 2001-06-29 2007-07-31 Harris Corporation Method and apparatus for data encryption
US7076059B1 (en) * 2002-01-17 2006-07-11 Cavium Networks Method and apparatus to implement the data encryption standard algorithm
US7346160B2 (en) * 2003-04-23 2008-03-18 Michaelsen David L Randomization-based encryption apparatus and method
US7257225B2 (en) * 2003-12-29 2007-08-14 American Express Travel Related Services Company, Inc. System and method for high speed reversible data encryption
US7613295B2 (en) * 2004-02-18 2009-11-03 Harris Corporation Cryptographic device and associated methods
US7599490B2 (en) * 2004-03-03 2009-10-06 Harris Corporation Method and apparatus for data encryption
US7600115B2 (en) * 2005-04-05 2009-10-06 Cisco Technology, Inc. Control key capable of storing multiple and variable data packet classification results
US7620181B2 (en) * 2005-04-20 2009-11-17 Harris Corporation Communications system with minimum error cryptographic resynchronization
US8379847B2 (en) * 2010-06-30 2013-02-19 International Business Machines Corporation Data and control encryption
US11870884B2 (en) 2021-04-13 2024-01-09 Harris Global Communications, Inc. Self-synchronizing mode of operation for an encryption/decryption algorithm

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4658094A (en) * 1985-03-28 1987-04-14 Itt Corporation Encryption apparatus and methods for raising a large unsigned integer to a large unsigned integer power modulo a large unsigned integer
FR2582174B1 (fr) * 1985-05-15 1990-03-09 Thomson Csf Dispositif de chiffrement par substitutions-permutations
US5231662A (en) * 1989-08-01 1993-07-27 Tulip Computers International B.V. Method and device for enciphering data to be transferred and for deciphering the enciphered data, and a computer system comprising such a device
US5003597A (en) * 1989-12-21 1991-03-26 Xerox Corporation Method and apparatus for data encryption
US5054067A (en) * 1990-02-21 1991-10-01 General Instrument Corporation Block-cipher cryptographic device based upon a pseudorandom nonlinear sequence generator
JP3225440B2 (ja) * 1990-05-18 2001-11-05 アスコム テック エージー デジタル信号ブロックの変換装置およびその使用方法
US5517614A (en) * 1992-05-29 1996-05-14 Kabushiki Kaisha Toshiba Data compression/encryption processing apparatus
US5317638A (en) * 1992-07-17 1994-05-31 International Business Machines Corporation Performance enhancement for ANSI X3.92 data encryption algorithm standard
US5381480A (en) * 1993-09-20 1995-01-10 International Business Machines Corporation System for translating encrypted data
US5511123A (en) * 1994-08-04 1996-04-23 Northern Telecom Limited Symmetric cryptographic system for data encryption
US5838794A (en) * 1996-01-11 1998-11-17 Teledyne Electronic Technologies Method and apparatus for inter-round mixing in iterated block substitution systems
US5745577A (en) * 1996-07-25 1998-04-28 Northern Telecom Limited Symmetric cryptographic system for data encryption

Also Published As

Publication number Publication date
IL128846A0 (en) 2000-01-31
US6108421A (en) 2000-08-22
JPH11298471A (ja) 1999-10-29
EP0940943A2 (en) 1999-09-08
EP0940943A3 (en) 2003-10-01

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