ZA988391B - Encryption method and apparatus. - Google Patents

Encryption method and apparatus.

Info

Publication number
ZA988391B
ZA988391B ZA9808391A ZA988391A ZA988391B ZA 988391 B ZA988391 B ZA 988391B ZA 9808391 A ZA9808391 A ZA 9808391A ZA 988391 A ZA988391 A ZA 988391A ZA 988391 B ZA988391 B ZA 988391B
Authority
ZA
South Africa
Prior art keywords
encryption method
encryption
Prior art date
Application number
ZA9808391A
Inventor
Mark Wentworth Rayne
Original Assignee
Simoco Int 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 Simoco Int Ltd filed Critical Simoco Int Ltd
Publication of ZA988391B publication Critical patent/ZA988391B/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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/088—Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Storage Device Security (AREA)
ZA9808391A 1997-09-16 1998-09-14 Encryption method and apparatus. ZA988391B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9719726.3A GB9719726D0 (en) 1997-09-16 1997-09-16 Encryption method and apparatus

Publications (1)

Publication Number Publication Date
ZA988391B true ZA988391B (en) 2000-03-22

Family

ID=10819178

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9808391A ZA988391B (en) 1997-09-16 1998-09-14 Encryption method and apparatus.

Country Status (7)

Country Link
EP (1) EP1016239A1 (en)
CN (1) CN1277769A (en)
AU (1) AU9087598A (en)
GB (2) GB9719726D0 (en)
IL (1) IL135080A0 (en)
WO (1) WO1999014887A1 (en)
ZA (1) ZA988391B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7660986B1 (en) 1999-06-08 2010-02-09 General Instrument Corporation Secure control of security mode
US7873166B2 (en) 2005-09-13 2011-01-18 Avaya Inc. Method for undetectably impeding key strength of encryption usage for products exported outside the U.S
US20080037775A1 (en) 2006-03-31 2008-02-14 Avaya Technology Llc Verifiable generation of weak symmetric keys for strong algorithms
DE102010011657A1 (en) 2010-03-17 2011-09-22 Siemens Aktiengesellschaft Method and apparatus for providing at least one secure cryptographic key
CN103761486A (en) * 2013-12-02 2014-04-30 苗立地 Electronic file encryption method and device
NL2019735B1 (en) * 2017-10-16 2019-04-23 Abn Amro Bank N V Secure communication system and method for transmission of messages

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5073934A (en) * 1990-10-24 1991-12-17 International Business Machines Corporation Method and apparatus for controlling the use of a public key, based on the level of import integrity for the key
GB2274229A (en) * 1992-12-19 1994-07-13 Ibm Cryptography system.
GB9503738D0 (en) * 1995-02-24 1995-04-19 Int Computers Ltd Cryptographic key management

Also Published As

Publication number Publication date
WO1999014887A1 (en) 1999-03-25
GB9819988D0 (en) 1998-11-04
CN1277769A (en) 2000-12-20
GB9719726D0 (en) 1998-03-18
EP1016239A1 (en) 2000-07-05
GB2329308A (en) 1999-03-17
AU9087598A (en) 1999-04-05
GB2329308B (en) 2000-02-09
IL135080A0 (en) 2001-05-20

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