SE7714587L - System for meddelanden - Google Patents

System for meddelanden

Info

Publication number
SE7714587L
SE7714587L SE7714587A SE7714587A SE7714587L SE 7714587 L SE7714587 L SE 7714587L SE 7714587 A SE7714587 A SE 7714587A SE 7714587 A SE7714587 A SE 7714587A SE 7714587 L SE7714587 L SE 7714587L
Authority
SE
Sweden
Prior art keywords
galois
decryption
field
bxmxa
multiplied
Prior art date
Application number
SE7714587A
Other languages
English (en)
Original Assignee
Brendstrom Hugo
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 Brendstrom Hugo filed Critical Brendstrom Hugo
Priority to SE7714587A priority Critical patent/SE7714587L/sv
Priority to JP50017678A priority patent/JPS55500476A/ja
Priority to PCT/SE1978/000100 priority patent/WO1979000418A1/en
Publication of SE7714587L publication Critical patent/SE7714587L/sv
Priority to EP79900017A priority patent/EP0011615B1/en
Priority to DK347779A priority patent/DK347779A/da
Priority to US06/154,403 priority patent/US4322577A/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
    • 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
SE7714587A 1977-12-21 1977-12-21 System for meddelanden SE7714587L (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE7714587A SE7714587L (sv) 1977-12-21 1977-12-21 System for meddelanden
JP50017678A JPS55500476A (sv) 1977-12-21 1978-12-20
PCT/SE1978/000100 WO1979000418A1 (en) 1977-12-21 1978-12-20 Method and device for encryption and decryption
EP79900017A EP0011615B1 (en) 1977-12-21 1979-07-16 Method and device for encryption and decryption of data
DK347779A DK347779A (da) 1977-12-21 1979-08-20 Kryptograferingssystem
US06/154,403 US4322577A (en) 1977-12-21 1979-08-21 Cryptosystem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7714587A SE7714587L (sv) 1977-12-21 1977-12-21 System for meddelanden

Publications (1)

Publication Number Publication Date
SE7714587L true SE7714587L (sv) 1979-06-22

Family

ID=20333278

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7714587A SE7714587L (sv) 1977-12-21 1977-12-21 System for meddelanden

Country Status (5)

Country Link
US (1) US4322577A (sv)
EP (1) EP0011615B1 (sv)
JP (1) JPS55500476A (sv)
SE (1) SE7714587L (sv)
WO (1) WO1979000418A1 (sv)

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NL8202547A (nl) * 1982-06-23 1984-01-16 Philips Nv Werkwijze voor het opwekken van een pseudo-random reeks van tekens met grote reekslengte.
US4680791A (en) * 1984-05-31 1987-07-14 Nec Corporation Digital video signal process apparatus for use in a video tape recorder
US4694491A (en) * 1985-03-11 1987-09-15 General Instrument Corp. Cryptographic system using interchangeable key blocks and selectable key fragments
US4802220A (en) * 1985-03-20 1989-01-31 American Telephone And Telegraph Company, At&T Bell Laboratories Method and apparatus for multi-channel communication security
US4835713A (en) * 1985-08-06 1989-05-30 Pitney Bowes Inc. Postage meter with coded graphic information in the indicia
US4654480A (en) * 1985-11-26 1987-03-31 Weiss Jeffrey A Method and apparatus for synchronizing encrypting and decrypting systems
US4731843A (en) * 1985-12-30 1988-03-15 Paradyne Corporation Method and device of increasing the execution speed of cipher feedback mode of the DES by an arbitrary multiplier
NL8602847A (nl) * 1986-11-11 1988-06-01 Philips Nv Werkwijze voor het vercijferen/ontcijferen en inrichting voor het uitvoeren van de werkwijze.
US4949381A (en) * 1988-09-19 1990-08-14 Pitney Bowes Inc. Electronic indicia in bit-mapped form
US4888803A (en) * 1988-09-26 1989-12-19 Pitney Bowes Inc. Method and apparatus for verifying a value for a batch of items
BE1003932A6 (fr) * 1989-04-28 1992-07-22 Musyck Emile Systeme cryptographique par bloc de donnees binaires.
US5003596A (en) * 1989-08-17 1991-03-26 Cryptech, Inc. Method of cryptographically transforming electronic digital data from one form to another
US5038376A (en) * 1989-10-04 1991-08-06 Teledyne Industries, Inc. Block substitution based encryption by a modulo 2 addition method and apparatus
US5214704A (en) * 1989-10-04 1993-05-25 Teledyne Industries, Inc. Nonlinear dynamic substitution devices and methods for block substitutions
US5647001A (en) * 1989-10-04 1997-07-08 Litton Systems, Inc. Nonlinear dynamic substitution devices and methods for block substitutions employing coset decompositions and direct geometric generation
US5317639A (en) * 1989-10-04 1994-05-31 Teledyne Industries, Inc. Non-linear block substitution devices derived by constructive corruption
DE4016203A1 (de) * 1990-05-19 1991-11-21 Rolf Prof Dr Trautner Verfahren zur blockweisen chiffrierung von digitalen daten
US5241599A (en) * 1991-10-02 1993-08-31 At&T Bell Laboratories Cryptographic protocol for secure communications
CA2162125C (en) * 1993-05-05 2005-09-20 Zunquan Liu A repertoire of mappings for a cryptosystem
SG42847A1 (en) * 1993-05-05 1997-10-17 Zunquan Liu Device and method for data encryption
US5363448A (en) * 1993-06-30 1994-11-08 United Technologies Automotive, Inc. Pseudorandom number generation and cryptographic authentication
US5377270A (en) * 1993-06-30 1994-12-27 United Technologies Automotive, Inc. Cryptographic authentication of transmitted messages using pseudorandom numbers
US5680131A (en) * 1993-10-29 1997-10-21 National Semiconductor Corporation Security system having randomized synchronization code after power up
US5398284A (en) * 1993-11-05 1995-03-14 United Technologies Automotive, Inc. Cryptographic encoding process
US5533127A (en) * 1994-03-18 1996-07-02 Canon Information Systems, Inc. Encryption system
US5838794A (en) * 1996-01-11 1998-11-17 Teledyne Electronic Technologies Method and apparatus for inter-round mixing in iterated block substitution systems
FR2748144B1 (fr) * 1996-04-25 1998-06-12 Sagem Procede de transmission securisee entre un emetteur et un recepteur, emetteur et recepteur pour la mise en oeuvre du procede
KR100296958B1 (ko) * 1998-05-06 2001-09-22 이석우 블록 데이터 암호화 장치
JP4354609B2 (ja) * 1999-07-16 2009-10-28 パナソニック株式会社 有限体上の連立方程式求解装置及び逆元演算装置
US6990200B1 (en) * 1999-11-04 2006-01-24 Murata Machinery Ltd. Encryption method, cryptographic communication method, ciphertext generating device and cryptographic communication system of public-key cryptosystem
US7240204B1 (en) * 2000-03-31 2007-07-03 State Of Oregon Acting By And Through The State Board Of Higher Education On Behalf Of Oregon State University Scalable and unified multiplication methods and apparatus
TW527783B (en) * 2001-10-04 2003-04-11 Ind Tech Res Inst Encryption/deciphering device capable of supporting advanced encryption standard
US20040202318A1 (en) * 2001-10-04 2004-10-14 Chih-Chung Lu Apparatus for supporting advanced encryption standard encryption and decryption
GB0124686D0 (en) * 2001-10-15 2001-12-05 Hewlett Packard Co A scheme for splitting trusted authorities based on the shamir's secret sharing
US6898288B2 (en) * 2001-10-22 2005-05-24 Telesecura Corporation Method and system for secure key exchange
US7283628B2 (en) * 2001-11-30 2007-10-16 Analog Devices, Inc. Programmable data encryption engine
US7269615B2 (en) 2001-12-18 2007-09-11 Analog Devices, Inc. Reconfigurable input Galois field linear transformer system
US7508937B2 (en) * 2001-12-18 2009-03-24 Analog Devices, Inc. Programmable data encryption engine for advanced encryption standard algorithm
JP2003302899A (ja) * 2002-04-11 2003-10-24 Sony Corp ブーリアン・マトリクスに基づく暗号化および復号処理方法、並びに装置
US20060034452A1 (en) * 2002-06-20 2006-02-16 Hitachi, Ltd. Code calculating device
WO2004014016A1 (en) * 2002-08-06 2004-02-12 Discretix Technologies Ltd. Method and device of manipulating data in finite fields
JP2004078514A (ja) * 2002-08-16 2004-03-11 Fujitsu Ltd コンテンツ配信方法及びコンテンツ出力方法
US20040174995A1 (en) * 2003-02-06 2004-09-09 Singh Mukesh Kumar Cryptosystems
KR100561845B1 (ko) * 2003-10-08 2006-03-16 삼성전자주식회사 애드 혹 망에서 멀티 레벨 접근 제어를 위한 데이터암호화 및 복호화 방법
US8031865B2 (en) * 2004-01-08 2011-10-04 Encryption Solutions, Inc. Multiple level security system and method for encrypting data within documents
US7752453B2 (en) 2004-01-08 2010-07-06 Encryption Solutions, Inc. Method of encrypting and transmitting data and system for transmitting encrypted data
US7526643B2 (en) * 2004-01-08 2009-04-28 Encryption Solutions, Inc. System for transmitting encrypted data
US7412054B2 (en) * 2004-05-04 2008-08-12 International Business Machines Corporation Matrix encryption method and system
US7577845B2 (en) * 2004-08-17 2009-08-18 Hengli Ma Information matrix cryptogram
US8331559B2 (en) * 2004-10-12 2012-12-11 Chiou-Haun Lee Diffused data encryption/decryption processing method
US7606361B2 (en) * 2005-03-18 2009-10-20 Oracle International Corporation Sending a message securely over an insecure channel
DE102008010794B3 (de) * 2008-02-22 2009-10-29 Fachhochschule Schmalkalden Verfahren zur unmanipulierbaren, abhörsicheren und nicht hackbaren P2P-Kommunikation in Mehrteilnehmernetze
JP2009272671A (ja) * 2008-04-30 2009-11-19 Panasonic Corp 秘匿認証システム
US8983066B2 (en) * 2009-02-27 2015-03-17 Cisco Technology, Inc. Private pairwise key management for groups
US8548171B2 (en) * 2009-02-27 2013-10-01 Cisco Technology, Inc. Pair-wise keying for tunneled virtual private networks
DE102009024604B4 (de) * 2009-06-10 2011-05-05 Infineon Technologies Ag Erzeugung eines Session-Schlüssels zur Authentisierung und sicheren Datenübertragung
IN2014DN11080A (sv) * 2012-07-13 2015-09-25 Nec Corp
IL231550A0 (en) 2014-03-17 2014-08-31 Nuvoton Technology Corp Saving secure information in external memory
US9692592B2 (en) * 2015-06-05 2017-06-27 Apple Inc. Using state reordering to protect against white box attacks
US10387533B2 (en) 2017-06-01 2019-08-20 Samsung Electronics Co., Ltd Apparatus and method for generating efficient convolution
US10904217B2 (en) 2018-05-31 2021-01-26 Cisco Technology, Inc. Encryption for gateway tunnel-based VPNs independent of wan transport addresses
US11610004B2 (en) 2021-04-14 2023-03-21 Bank Of America Corporation System for implementing enhanced file encryption technique
WO2022226491A1 (en) * 2021-04-19 2022-10-27 Virginia Tech Intellectual Properties Inc. Galois extension field-based block cipher

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798359A (en) * 1971-06-30 1974-03-19 Ibm Block cipher cryptographic system
US3798360A (en) * 1971-06-30 1974-03-19 Ibm Step code ciphering system
US4074066A (en) * 1976-04-26 1978-02-14 International Business Machines Corporation Message verification and transmission error detection by block chaining
US4160120A (en) * 1977-11-17 1979-07-03 Burroughs Corporation Link encryption device

Also Published As

Publication number Publication date
WO1979000418A1 (en) 1979-07-12
JPS55500476A (sv) 1980-07-31
EP0011615B1 (en) 1983-06-15
EP0011615A1 (en) 1980-06-11
US4322577A (en) 1982-03-30

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