FR2763192B1 - METHOD FOR RECOVERING KEYS IMPLEMENTED FOR A STRONG MESSAGE ENCRYPTION - Google Patents

METHOD FOR RECOVERING KEYS IMPLEMENTED FOR A STRONG MESSAGE ENCRYPTION

Info

Publication number
FR2763192B1
FR2763192B1 FR9614858A FR9614858A FR2763192B1 FR 2763192 B1 FR2763192 B1 FR 2763192B1 FR 9614858 A FR9614858 A FR 9614858A FR 9614858 A FR9614858 A FR 9614858A FR 2763192 B1 FR2763192 B1 FR 2763192B1
Authority
FR
France
Prior art keywords
message encryption
keys implemented
strong message
recovering keys
recovering
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 - Fee Related
Application number
FR9614858A
Other languages
French (fr)
Other versions
FR2763192A1 (en
Inventor
Denis Pinkas
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.)
Bull SA
Original Assignee
Bull SA
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
Priority claimed from FR9612720A external-priority patent/FR2763191A1/en
Application filed by Bull SA filed Critical Bull SA
Priority to FR9614858A priority Critical patent/FR2763192B1/en
Priority to US08/961,256 priority patent/US6483920B2/en
Priority claimed from US08/961,256 external-priority patent/US6483920B2/en
Priority to CA002221016A priority patent/CA2221016C/en
Publication of FR2763192A1 publication Critical patent/FR2763192A1/en
Application granted granted Critical
Publication of FR2763192B1 publication Critical patent/FR2763192B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • 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
    • H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction
FR9614858A 1996-10-18 1996-12-04 METHOD FOR RECOVERING KEYS IMPLEMENTED FOR A STRONG MESSAGE ENCRYPTION Expired - Fee Related FR2763192B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9614858A FR2763192B1 (en) 1996-10-18 1996-12-04 METHOD FOR RECOVERING KEYS IMPLEMENTED FOR A STRONG MESSAGE ENCRYPTION
US08/961,256 US6483920B2 (en) 1996-12-04 1997-10-30 Key recovery process used for strong encryption of messages
CA002221016A CA2221016C (en) 1996-12-04 1997-11-03 Process for recovering keys implemented for highly encrypting messages

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9612720A FR2763191A1 (en) 1996-10-18 1996-10-18 Data transmission system using encoded data with encryption key
FR9614858A FR2763192B1 (en) 1996-10-18 1996-12-04 METHOD FOR RECOVERING KEYS IMPLEMENTED FOR A STRONG MESSAGE ENCRYPTION
US08/961,256 US6483920B2 (en) 1996-12-04 1997-10-30 Key recovery process used for strong encryption of messages

Publications (2)

Publication Number Publication Date
FR2763192A1 FR2763192A1 (en) 1998-11-13
FR2763192B1 true FR2763192B1 (en) 1999-07-02

Family

ID=27253244

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9614858A Expired - Fee Related FR2763192B1 (en) 1996-10-18 1996-12-04 METHOD FOR RECOVERING KEYS IMPLEMENTED FOR A STRONG MESSAGE ENCRYPTION

Country Status (1)

Country Link
FR (1) FR2763192B1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481613A (en) * 1994-04-15 1996-01-02 Northern Telecom Limited Computer network cryptographic key distribution system
US5557765A (en) * 1994-08-11 1996-09-17 Trusted Information Systems, Inc. System and method for data recovery

Also Published As

Publication number Publication date
FR2763192A1 (en) 1998-11-13

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20160831