GB2463031B - Device and method for encrypting data or providing an encryption key - Google Patents

Device and method for encrypting data or providing an encryption key

Info

Publication number
GB2463031B
GB2463031B GB0815648A GB0815648A GB2463031B GB 2463031 B GB2463031 B GB 2463031B GB 0815648 A GB0815648 A GB 0815648A GB 0815648 A GB0815648 A GB 0815648A GB 2463031 B GB2463031 B GB 2463031B
Authority
GB
United Kingdom
Prior art keywords
providing
encryption key
encrypting data
encrypting
data
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
GB0815648A
Other versions
GB0815648D0 (en
GB2463031A (en
Inventor
Leslie Arthur Durn
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Priority to GB0815648A priority Critical patent/GB2463031B/en
Publication of GB0815648D0 publication Critical patent/GB0815648D0/en
Publication of GB2463031A publication Critical patent/GB2463031A/en
Application granted granted Critical
Publication of GB2463031B publication Critical patent/GB2463031B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L29/06666—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0435—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
    • 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
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0625—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation with splitting of the data block into left and right halves, e.g. Feistel based algorithms, DES, FEAL, IDEA or KASUMI
    • H04L9/0675—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • 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
    • H04L2209/08—Randomization, e.g. dummy operations or using noise
GB0815648A 2008-08-28 2008-08-28 Device and method for encrypting data or providing an encryption key Expired - Fee Related GB2463031B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0815648A GB2463031B (en) 2008-08-28 2008-08-28 Device and method for encrypting data or providing an encryption key

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0815648A GB2463031B (en) 2008-08-28 2008-08-28 Device and method for encrypting data or providing an encryption key

Publications (3)

Publication Number Publication Date
GB0815648D0 GB0815648D0 (en) 2008-10-08
GB2463031A GB2463031A (en) 2010-03-03
GB2463031B true GB2463031B (en) 2010-12-15

Family

ID=39865859

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0815648A Expired - Fee Related GB2463031B (en) 2008-08-28 2008-08-28 Device and method for encrypting data or providing an encryption key

Country Status (1)

Country Link
GB (1) GB2463031B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110958255B (en) * 2019-12-06 2022-07-29 杭州安恒信息技术股份有限公司 Data transmission method and device, electronic equipment and storage medium
CN115333868B (en) * 2022-10-14 2022-12-23 安徽华云安科技有限公司 Symmetric encryption method, symmetric decryption method, symmetric encryption device, symmetric decryption device and symmetric encryption device based on odd-even round robin

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2350218A (en) * 1998-02-27 2000-11-22 Mosaid Technologies Inc Encryption processor with shared memory interconnect
US6243470B1 (en) * 1998-02-04 2001-06-05 International Business Machines Corporation Method and apparatus for advanced symmetric key block cipher with variable length key and block
WO2008121614A1 (en) * 2007-03-28 2008-10-09 Intel Corporation Flexible architecture and instruction for advanced encryption standard (aes)

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6243470B1 (en) * 1998-02-04 2001-06-05 International Business Machines Corporation Method and apparatus for advanced symmetric key block cipher with variable length key and block
GB2350218A (en) * 1998-02-27 2000-11-22 Mosaid Technologies Inc Encryption processor with shared memory interconnect
WO2008121614A1 (en) * 2007-03-28 2008-10-09 Intel Corporation Flexible architecture and instruction for advanced encryption standard (aes)

Also Published As

Publication number Publication date
GB0815648D0 (en) 2008-10-08
GB2463031A (en) 2010-03-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20180828