JPS6259960B2 - - Google Patents
Info
- Publication number
- JPS6259960B2 JPS6259960B2 JP56047893A JP4789381A JPS6259960B2 JP S6259960 B2 JPS6259960 B2 JP S6259960B2 JP 56047893 A JP56047893 A JP 56047893A JP 4789381 A JP4789381 A JP 4789381A JP S6259960 B2 JPS6259960 B2 JP S6259960B2
- Authority
- JP
- Japan
- Prior art keywords
- key code
- circuit
- memory
- arithmetic circuit
- register
- 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
Links
- 230000015654 memory Effects 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
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
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/12—Details relating to cryptographic hardware or logic circuitry
-
- 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
- H04L2209/80—Wireless
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56047893A JPS57162895A (en) | 1981-03-31 | 1981-03-31 | Key code generating system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56047893A JPS57162895A (en) | 1981-03-31 | 1981-03-31 | Key code generating system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57162895A JPS57162895A (en) | 1982-10-06 |
JPS6259960B2 true JPS6259960B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-12-14 |
Family
ID=12788078
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56047893A Granted JPS57162895A (en) | 1981-03-31 | 1981-03-31 | Key code generating system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57162895A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1981
- 1981-03-31 JP JP56047893A patent/JPS57162895A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57162895A (en) | 1982-10-06 |