FI42449B - - Google Patents
Info
- Publication number
- FI42449B FI42449B FI35369A FI35369A FI42449B FI 42449 B FI42449 B FI 42449B FI 35369 A FI35369 A FI 35369A FI 35369 A FI35369 A FI 35369A FI 42449 B FI42449 B FI 42449B
- Authority
- FI
- Finland
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
-
- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0877—Generation of secret information including derivation or calculation of cryptographic keys or passwords using additional device, e.g. trusted platform module [TPM], smartcard, USB or hardware security module [HSM]
-
- 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)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI35369A FI42449C (fi) | 1969-02-06 | 1969-02-06 | Satunnaisdigitalinen koodausmenetelmä |
| SE136770A SE361122B (fi) | 1969-02-06 | 1970-02-03 | |
| GB587870A GB1279224A (en) | 1969-02-06 | 1970-02-06 | Method of and apparatus for enciphering and deciphering signals |
| FR7004205A FR2030344B1 (fi) | 1969-02-06 | 1970-02-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI35369A FI42449C (fi) | 1969-02-06 | 1969-02-06 | Satunnaisdigitalinen koodausmenetelmä |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI42449B true FI42449B (fi) | 1970-04-30 |
| FI42449C FI42449C (fi) | 1970-08-10 |
Family
ID=8503985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI35369A FI42449C (fi) | 1969-02-06 | 1969-02-06 | Satunnaisdigitalinen koodausmenetelmä |
Country Status (4)
| Country | Link |
|---|---|
| FI (1) | FI42449C (fi) |
| FR (1) | FR2030344B1 (fi) |
| GB (1) | GB1279224A (fi) |
| SE (1) | SE361122B (fi) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014212467B3 (de) * | 2014-06-27 | 2015-10-15 | Siemens Aktiengesellschaft | Bereitstellen eines gesicherten Replika-Pseudo-Zufallsrauschsignals |
| CN114221786B (zh) * | 2021-11-17 | 2024-03-26 | 西安空间无线电技术研究所 | 一种基于脉冲压缩的新型通信硬件加密系统及方法 |
-
1969
- 1969-02-06 FI FI35369A patent/FI42449C/fi active
-
1970
- 1970-02-03 SE SE136770A patent/SE361122B/xx unknown
- 1970-02-06 GB GB587870A patent/GB1279224A/en not_active Expired
- 1970-02-06 FR FR7004205A patent/FR2030344B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2030344B1 (fi) | 1973-07-13 |
| SE361122B (fi) | 1973-10-15 |
| GB1279224A (en) | 1972-06-28 |
| FI42449C (fi) | 1970-08-10 |
| FR2030344A1 (fi) | 1970-11-13 |