AU8450198A - System for generating sub-keys - Google Patents

System for generating sub-keys

Info

Publication number: AU8450198A
Authority: AU; Australia
Prior art keywords: keys; generating sub; sub; generating
Prior art date: 1997-08-29
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.)

1997-08-29

Filing date

1998-07-17

Publication date

1999-03-22

1998-07-17 Application filed by nCipher Corp Ltd filed Critical nCipher Corp Ltd

1999-03-22 Publication of AU8450198A publication Critical patent/AU8450198A/en

Status Abandoned legal-status Critical Current

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
CN1249972C (en) *	2000-06-05	2006-04-05	凤凰技术有限公司	System, 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

1997
- 1997-08-29 GB GB9718200A patent/GB2329096A/en not_active Withdrawn
1998
- 1998-07-08 ZA ZA986026A patent/ZA986026B/en unknown
- 1998-07-17 WO PCT/GB1998/002129 patent/WO1999012309A1/en not_active Ceased
- 1998-07-17 EP EP98935142A patent/EP1008251A1/en not_active Withdrawn
- 1998-07-17 AU AU84501/98A patent/AU8450198A/en not_active Abandoned

Also Published As

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

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AU8450198A (en)	1999-03-22	System for generating sub-keys
AU6090898A (en)	1998-07-31	Substituted 4-benzoyl-pyrazoles
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Legal Events

Date	Code	Title	Description
2000-05-18	MK6	Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase