FR1271557A - Improvements in methods and devices for encryption and decryption of messages - Google Patents

Improvements in methods and devices for encryption and decryption of messages

Info

Publication number
FR1271557A
FR1271557A FR833672A FR833672A FR1271557A FR 1271557 A FR1271557 A FR 1271557A FR 833672 A FR833672 A FR 833672A FR 833672 A FR833672 A FR 833672A FR 1271557 A FR1271557 A FR 1271557A
Authority
FR
France
Prior art keywords
decryption
encryption
messages
methods
devices
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
Application number
FR833672A
Other languages
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR833672A priority Critical patent/FR1271557A/en
Application granted granted Critical
Publication of FR1271557A publication Critical patent/FR1271557A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/34Bits, or blocks of bits, of the telegraphic message being interchanged in time
FR833672A 1960-07-22 1960-07-22 Improvements in methods and devices for encryption and decryption of messages Expired FR1271557A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR833672A FR1271557A (en) 1960-07-22 1960-07-22 Improvements in methods and devices for encryption and decryption of messages

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR833672A FR1271557A (en) 1960-07-22 1960-07-22 Improvements in methods and devices for encryption and decryption of messages

Publications (1)

Publication Number Publication Date
FR1271557A true FR1271557A (en) 1961-09-15

Family

ID=8735983

Family Applications (1)

Application Number Title Priority Date Filing Date
FR833672A Expired FR1271557A (en) 1960-07-22 1960-07-22 Improvements in methods and devices for encryption and decryption of messages

Country Status (1)

Country Link
FR (1) FR1271557A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027572A1 (en) * 1979-10-18 1981-04-29 Crypto Aktiengesellschaft Method and apparatus for ciphered transmission of information

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027572A1 (en) * 1979-10-18 1981-04-29 Crypto Aktiengesellschaft Method and apparatus for ciphered transmission of information

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