ZA986026B - Data security - Google Patents

Data security

Info

Publication number
ZA986026B
ZA986026B ZA986026A ZA986026A ZA986026B ZA 986026 B ZA986026 B ZA 986026B ZA 986026 A ZA986026 A ZA 986026A ZA 986026 A ZA986026 A ZA 986026A ZA 986026 B ZA986026 B ZA 986026B
Authority
ZA
South Africa
Prior art keywords
data security
security
data
Prior art date
Application number
ZA986026A
Inventor
Ian Nigel Harvey
Van Someren
Nicholas Benedict
Original Assignee
Ncipher Corp Limited
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 Limited filed Critical Ncipher Corp Limited
Publication of ZA986026B publication Critical patent/ZA986026B/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
    • H04L9/0643—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)
ZA986026A 1997-08-29 1998-07-08 Data security ZA986026B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9718200A GB2329096A (en) 1997-08-29 1997-08-29 Creating sub-keys from hashed cryptographic master key

Publications (1)

Publication Number Publication Date
ZA986026B true ZA986026B (en) 1999-01-28

Family

ID=10818133

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA986026A ZA986026B (en) 1997-08-29 1998-07-08 Data security

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
KR100769482B1 (en) 2000-06-05 2007-10-24 피닉스 테크놀로지 리미티드 Systems, methods 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
US5796839A (en) * 1995-10-16 1998-08-18 Sony Corporation Encryption method, encryption apparatus, recording method, decoding method, decoding apparatus 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
GB2329096A (en) 1999-03-10
WO1999012309A1 (en) 1999-03-11
GB9718200D0 (en) 1997-11-05
AU8450198A (en) 1999-03-22

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