IT898655B - Procedimento e apparecchio elettronico per la cifratura e la decifratura automatica di messaggi in codice o in forma analogica - Google Patents
Procedimento e apparecchio elettronico per la cifratura e la decifratura automatica di messaggi in codice o in forma analogicaInfo
- Publication number
- IT898655B IT898655B IT3932269A IT3932269A IT898655B IT 898655 B IT898655 B IT 898655B IT 3932269 A IT3932269 A IT 3932269A IT 3932269 A IT3932269 A IT 3932269A IT 898655 B IT898655 B IT 898655B
- Authority
- IT
- Italy
- Prior art keywords
- decipration
- messages
- code
- procedure
- electronic equipment
- Prior art date
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
- H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
- H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
- H04L9/0662—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher with particular pseudorandom sequence generator
-
- 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
- H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Logic Circuits (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT3932269A IT898655B (it) | 1969-08-11 | 1969-08-11 | Procedimento e apparecchio elettronico per la cifratura e la decifratura automatica di messaggi in codice o in forma analogica |
| DE19702039445 DE2039445B3 (de) | 1969-08-11 | 1970-08-07 | Schlüsselgenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT3932269A IT898655B (it) | 1969-08-11 | 1969-08-11 | Procedimento e apparecchio elettronico per la cifratura e la decifratura automatica di messaggi in codice o in forma analogica |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT898655B true IT898655B (it) | 1971-12-01 |
Family
ID=11246195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT3932269A IT898655B (it) | 1969-08-11 | 1969-08-11 | Procedimento e apparecchio elettronico per la cifratura e la decifratura automatica di messaggi in codice o in forma analogica |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2039445B3 (it) |
| IT (1) | IT898655B (it) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL110769C (it) * | 1955-01-26 |
-
1969
- 1969-08-11 IT IT3932269A patent/IT898655B/it active
-
1970
- 1970-08-07 DE DE19702039445 patent/DE2039445B3/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2039445B3 (de) | 2004-07-22 |
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