CA2296631C - Diffusion de messages codes en utilisant des cles de session - Google Patents

Diffusion de messages codes en utilisant des cles de session Download PDF

Info

Publication number
CA2296631C
CA2296631C CA 2296631 CA2296631A CA2296631C CA 2296631 C CA2296631 C CA 2296631C CA 2296631 CA2296631 CA 2296631 CA 2296631 A CA2296631 A CA 2296631A CA 2296631 C CA2296631 C CA 2296631C
Authority
CA
Canada
Prior art keywords
session key
message
encrypted
secret
encrypting
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 - Lifetime
Application number
CA 2296631
Other languages
English (en)
Other versions
CA2296631A1 (fr
Inventor
Herb A. Little
Hugh R. Hind
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.)
BlackBerry Ltd
Original Assignee
Research in Motion 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 Research in Motion Ltd filed Critical Research in Motion Ltd
Priority to CA 2296631 priority Critical patent/CA2296631C/fr
Publication of CA2296631A1 publication Critical patent/CA2296631A1/fr
Application granted granted Critical
Publication of CA2296631C publication Critical patent/CA2296631C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
    • 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
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0825—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
    • 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
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
    • 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
    • H04L2209/60—Digital content management, e.g. content distribution
    • H04L2209/601—Broadcast encryption

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
CA 2296631 2000-01-19 2000-01-19 Diffusion de messages codes en utilisant des cles de session Expired - Lifetime CA2296631C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2296631 CA2296631C (fr) 2000-01-19 2000-01-19 Diffusion de messages codes en utilisant des cles de session

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2296631 CA2296631C (fr) 2000-01-19 2000-01-19 Diffusion de messages codes en utilisant des cles de session

Publications (2)

Publication Number Publication Date
CA2296631A1 CA2296631A1 (fr) 2001-07-19
CA2296631C true CA2296631C (fr) 2004-05-11

Family

ID=4165123

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2296631 Expired - Lifetime CA2296631C (fr) 2000-01-19 2000-01-19 Diffusion de messages codes en utilisant des cles de session

Country Status (1)

Country Link
CA (1) CA2296631C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2833011T3 (es) 2016-06-02 2021-06-14 Kobil Systems Gmbh Mensajería segura
ES2878574T3 (es) * 2017-05-30 2021-11-19 Be Invest Int Sa Método general de protección de datos para almacenamiento y uso compartido de datos confidenciales multicéntricos

Also Published As

Publication number Publication date
CA2296631A1 (fr) 2001-07-19

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Effective date: 20200120