DE60142873D1 - Verfahren und Vorrichtung zur Hardwarenormalisierung und -entnormalisierung - Google Patents

Verfahren und Vorrichtung zur Hardwarenormalisierung und -entnormalisierung

Info

Publication number
DE60142873D1
DE60142873D1 DE60142873T DE60142873T DE60142873D1 DE 60142873 D1 DE60142873 D1 DE 60142873D1 DE 60142873 T DE60142873 T DE 60142873T DE 60142873 T DE60142873 T DE 60142873T DE 60142873 D1 DE60142873 D1 DE 60142873D1
Authority
DE
Germany
Prior art keywords
normalization
hardware
hardware normalization
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 - Lifetime
Application number
DE60142873T
Other languages
English (en)
Inventor
Patrick Law
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.)
Broadcom Corp
Original Assignee
Broadcom 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 Broadcom Corp filed Critical Broadcom Corp
Application granted granted Critical
Publication of DE60142873D1 publication Critical patent/DE60142873D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/01—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49936—Normalisation mentioned as feature only
    • 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]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/72—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using residue arithmetic
    • G06F7/722—Modular multiplication
    • 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
    • H04L2209/122—Hardware reduction or efficient architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Complex Calculations (AREA)
DE60142873T 2000-09-25 2001-09-21 Verfahren und Vorrichtung zur Hardwarenormalisierung und -entnormalisierung Expired - Lifetime DE60142873D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23519000P 2000-09-25 2000-09-25
US09/859,330 US7062657B2 (en) 2000-09-25 2001-05-16 Methods and apparatus for hardware normalization and denormalization

Publications (1)

Publication Number Publication Date
DE60142873D1 true DE60142873D1 (de) 2010-10-07

Family

ID=26928657

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60142873T Expired - Lifetime DE60142873D1 (de) 2000-09-25 2001-09-21 Verfahren und Vorrichtung zur Hardwarenormalisierung und -entnormalisierung

Country Status (3)

Country Link
US (2) US7062657B2 (de)
EP (1) EP1191740B1 (de)
DE (1) DE60142873D1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7996670B1 (en) 1999-07-08 2011-08-09 Broadcom Corporation Classification engine in a cryptography acceleration chip
US7062657B2 (en) * 2000-09-25 2006-06-13 Broadcom Corporation Methods and apparatus for hardware normalization and denormalization
US20040123123A1 (en) * 2002-12-18 2004-06-24 Buer Mark L. Methods and apparatus for accessing security association information in a cryptography accelerator
US7191341B2 (en) * 2002-12-18 2007-03-13 Broadcom Corporation Methods and apparatus for ordering data in a cryptography accelerator
US7434043B2 (en) 2002-12-18 2008-10-07 Broadcom Corporation Cryptography accelerator data routing unit
US7568110B2 (en) * 2002-12-18 2009-07-28 Broadcom Corporation Cryptography accelerator interface decoupling from cryptography processing cores
US20040123120A1 (en) * 2002-12-18 2004-06-24 Broadcom Corporation Cryptography accelerator input interface data handling
KR100458031B1 (ko) 2003-03-14 2004-11-26 삼성전자주식회사 몽고메리 유형의 모듈라 곱셈 장치 및 방법
US7543142B2 (en) * 2003-12-19 2009-06-02 Intel Corporation Method and apparatus for performing an authentication after cipher operation in a network processor
US7512945B2 (en) 2003-12-29 2009-03-31 Intel Corporation Method and apparatus for scheduling the processing of commands for execution by cryptographic algorithm cores in a programmable network processor
US7543158B2 (en) * 2004-03-23 2009-06-02 Texas Instruments Incorporated Hybrid cryptographic accelerator and method of operation thereof
US7401110B1 (en) * 2004-09-09 2008-07-15 Sun Microsystems, Inc. System, method and apparatus for an improved MD5 hash algorithm
US7818574B2 (en) * 2004-09-10 2010-10-19 International Business Machines Corporation System and method for providing dynamically authorized access to functionality present on an integrated circuit chip
US20060136717A1 (en) 2004-12-20 2006-06-22 Mark Buer System and method for authentication via a proximate device
US8295484B2 (en) 2004-12-21 2012-10-23 Broadcom Corporation System and method for securing data from a remote input device
US20070055879A1 (en) * 2005-08-16 2007-03-08 Jianjun Luo System and method for high performance public key encryption
US8020142B2 (en) * 2006-12-14 2011-09-13 Intel Corporation Hardware accelerator
US20090240526A1 (en) * 2008-03-19 2009-09-24 General Electric Company Systems and Methods for a Medical Device Data Processor

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962539A (en) 1975-02-24 1976-06-08 International Business Machines Corporation Product block cipher system for data security
JPS59217294A (ja) 1983-05-23 1984-12-07 Fujitsu Ltd 信号シフト回路
JPH0644225B2 (ja) * 1986-03-27 1994-06-08 日本電気株式会社 浮動小数点丸め正規化回路
US5144574A (en) 1989-01-30 1992-09-01 Nippon Telegraph And Telephone Corporation Modular multiplication method and the system for processing data
US5058048A (en) * 1990-04-02 1991-10-15 Advanced Micro Devices, Inc. Normalizing pipelined floating point processing unit
US5267186A (en) * 1990-04-02 1993-11-30 Advanced Micro Devices, Inc. Normalizing pipelined floating point processing unit
JPH05216620A (ja) * 1991-10-31 1993-08-27 Internatl Business Mach Corp <Ibm> 浮動小数点を正規化する方法及び回路
US5317638A (en) 1992-07-17 1994-05-31 International Business Machines Corporation Performance enhancement for ANSI X3.92 data encryption algorithm standard
US5426600A (en) 1993-09-27 1995-06-20 Hitachi America, Ltd. Double precision division circuit and method for digital signal processor
US5459681A (en) 1993-12-20 1995-10-17 Motorola, Inc. Special functions arithmetic logic unit method and apparatus
US6014445A (en) * 1995-10-23 2000-01-11 Kabushiki Kaisha Toshiba Enciphering/deciphering apparatus and method incorporating random variable and keystream generation
US5740249A (en) 1996-04-09 1998-04-14 Kabushiki Kaisha Toshiba Encryption apparatus and method capable of controlling encryption process in accordance with an internal state
US5835599A (en) 1996-04-15 1998-11-10 Vlsi Technology, Inc. Muti-cycle non-parallel data encryption engine
US5923574A (en) 1996-09-18 1999-07-13 International Business Machines Corporation Optimized, combined leading zeros counter and shifter
US6028939A (en) 1997-01-03 2000-02-22 Redcreek Communications, Inc. Data security system and method
US6704871B1 (en) * 1997-09-16 2004-03-09 Safenet, Inc. Cryptographic co-processor
US6088800A (en) 1998-02-27 2000-07-11 Mosaid Technologies, Incorporated Encryption processor with shared memory interconnect
US6356636B1 (en) * 1998-07-22 2002-03-12 Motorola, Inc. Circuit and method for fast modular multiplication
US6182104B1 (en) * 1998-07-22 2001-01-30 Motorola, Inc. Circuit and method of modulo multiplication
US6295606B1 (en) 1999-07-26 2001-09-25 Motorola, Inc. Method and apparatus for preventing information leakage attacks on a microelectronic assembly
US7062657B2 (en) * 2000-09-25 2006-06-13 Broadcom Corporation Methods and apparatus for hardware normalization and denormalization
US7502463B2 (en) 2000-12-13 2009-03-10 Broadcom Corporation Methods and apparatus for implementing a cryptography engine
US7366300B2 (en) 2000-12-13 2008-04-29 Broadcom Corporation Methods and apparatus for implementing a cryptography engine
US7142671B2 (en) 2000-12-13 2006-11-28 Broadcom Corporation Methods and apparatus for implementing a cryptography engine

Also Published As

Publication number Publication date
US20070011467A1 (en) 2007-01-11
US8086870B2 (en) 2011-12-27
US7062657B2 (en) 2006-06-13
EP1191740A2 (de) 2002-03-27
EP1191740B1 (de) 2010-08-25
EP1191740A3 (de) 2005-03-09
US20020062444A1 (en) 2002-05-23

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