AU8450198A - System for generating sub-keys - Google Patents

System for generating sub-keys

Info

Publication number
AU8450198A
AU8450198A AU84501/98A AU8450198A AU8450198A AU 8450198 A AU8450198 A AU 8450198A AU 84501/98 A AU84501/98 A AU 84501/98A AU 8450198 A AU8450198 A AU 8450198A AU 8450198 A AU8450198 A AU 8450198A
Authority
AU
Australia
Prior art keywords
keys
generating sub
sub
generating
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.)
Abandoned
Application number
AU84501/98A
Inventor
Ian Nigel Harvey
Nicholas Benedict Van Someren
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.)
nCipher Corp Ltd
Original Assignee
nCipher Corp Ltd
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 nCipher Corp Ltd filed Critical nCipher Corp Ltd
Publication of AU8450198A publication Critical patent/AU8450198A/en
Abandoned 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
    • H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
    • 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)
  • Power Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
AU84501/98A 1997-08-29 1998-07-17 System for generating sub-keys Abandoned AU8450198A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9718200 1997-08-29
GB9718200A GB2329096A (en) 1997-08-29 1997-08-29 Creating sub-keys from hashed cryptographic master key
PCT/GB1998/002129 WO1999012309A1 (en) 1997-08-29 1998-07-17 System for generating sub-keys

Publications (1)

Publication Number Publication Date
AU8450198A true AU8450198A (en) 1999-03-22

Family

ID=10818133

Family Applications (1)

Application Number Title Priority Date Filing Date
AU84501/98A Abandoned AU8450198A (en) 1997-08-29 1998-07-17 System for generating sub-keys

Country Status (5)

Country Link
EP (1) EP1008251A1 (en)
AU (1) AU8450198A (en)
GB (1) GB2329096A (en)
WO (1) WO1999012309A1 (en)
ZA (1) ZA986026B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4833489B2 (en) * 2000-06-05 2011-12-07 フィーニックス　　テクノロジーズ　　リミテッド System, method and software for remote password authentication using multiple servers
EP1418701A1 (en) * 2002-11-11 2004-05-12 STMicroelectronics Limited Transmission and storage of encryption keys
CN105610848B (en) * 2016-01-08 2018-05-25 北京工业大学 Possess the centralized data security method and system of source data Security Assurance Mechanism

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5172414A (en) * 1991-09-13 1992-12-15 At&T Bell Laboratories Speech and control message encrypton in cellular radio
US5483598A (en) * 1993-07-01 1996-01-09 Digital Equipment Corp., Patent Law Group Message encryption using a hash function
CA2158290A1 (en) * 1994-09-29 1996-03-30 Leon A. Pintsov Postage evidencing system with secure summary reports
KR970024712A (en) * 1995-10-16 1997-05-30 이데이 노부유키 Encryption method and encryption device and recording method and decryption method and decryption device and recording medium
US5608801A (en) * 1995-11-16 1997-03-04 Bell Communications Research, Inc. Efficient cryptographic hash functions and methods for amplifying the security of hash functions and pseudo-random functions
GB2308282B (en) * 1995-12-15 2000-04-12 Lotus Dev Corp Differential work factor cryptography method and system
US5754659A (en) * 1995-12-22 1998-05-19 General Instrument Corporation Of Delaware Generation of cryptographic signatures using hash keys

Also Published As

Publication number Publication date
EP1008251A1 (en) 2000-06-14
ZA986026B (en) 1999-01-28
GB2329096A (en) 1999-03-10
GB9718200D0 (en) 1997-11-05
WO1999012309A1 (en) 1999-03-11

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase