CA1211521A - Systeme de cryptographie - Google Patents
Systeme de cryptographieInfo
- Publication number
- CA1211521A CA1211521A CA000432746A CA432746A CA1211521A CA 1211521 A CA1211521 A CA 1211521A CA 000432746 A CA000432746 A CA 000432746A CA 432746 A CA432746 A CA 432746A CA 1211521 A CA1211521 A CA 1211521A
- Authority
- CA
- Canada
- Prior art keywords
- binary digits
- sequence
- responsive
- adder
- modulo
- 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
Landscapes
- Error Detection And Correction (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57126183A JPS5916441A (ja) | 1982-07-20 | 1982-07-20 | スクランブル方式 |
JP57-126183 | 1982-07-20 | ||
JP57-126184 | 1982-07-20 | ||
JP57126184A JPS5916442A (ja) | 1982-07-20 | 1982-07-20 | デスクランブラ− |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1211521A true CA1211521A (fr) | 1986-09-16 |
Family
ID=26462406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000432746A Expired CA1211521A (fr) | 1982-07-20 | 1983-07-19 | Systeme de cryptographie |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU569473B2 (fr) |
CA (1) | CA1211521A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8602847A (nl) * | 1986-11-11 | 1988-06-01 | Philips Nv | Werkwijze voor het vercijferen/ontcijferen en inrichting voor het uitvoeren van de werkwijze. |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1360260A (en) * | 1971-09-23 | 1974-07-17 | Standard Telephones Cables Ltd | Multilevel pcm system |
NL7710503A (nl) * | 1977-09-27 | 1979-03-29 | Philips Nv | Digitaal transmissiestelsel. |
-
1983
- 1983-07-19 CA CA000432746A patent/CA1211521A/fr not_active Expired
- 1983-07-19 AU AU16964/83A patent/AU569473B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU569473B2 (en) | 1988-02-04 |
AU1696483A (en) | 1984-01-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4663500A (en) | Cryptographic system | |
US4447672A (en) | Device for encrypting each input data bit by at least one keying bit decided by a code pattern and a bit pattern of a predetermined number of preceding encrypted bits | |
US4791669A (en) | Encryption/decryption system | |
US4944006A (en) | Secure data packet transmission system and method | |
US5193115A (en) | Pseudo-random choice cipher and method | |
KR100333255B1 (ko) | N-비트입력값을변환된n-비트출력값으로변환하는장치및방법 | |
US4322576A (en) | Message format for secure communication over data links | |
US4255811A (en) | Key controlled block cipher cryptographic system | |
US5253294A (en) | Secure transmission system | |
US5115467A (en) | Signal encryption apparatus for generating common and distinct keys | |
JP2848036B2 (ja) | 擬似ランダム信号の保護方法 | |
JPS5832380B2 (ja) | 暗号処理装置 | |
KR950704733A (ko) | 선택 가능한 탭이 있는 피드백 레지스터를 갖는 암호화 방법 및 장치(method and apparatus for encrypion having a feedback register with selectable taps) | |
US6359986B1 (en) | Encryption system capable of specifying a type of an encrytion device that produced a distribution medium | |
CA2441392A1 (fr) | Dispositif de chiffrement | |
US3911330A (en) | Nonlinear nonsingular feedback shift registers | |
KR950013093A (ko) | 스크램블전송장치 및 난수발생장치 | |
US4431865A (en) | Digital signal enciphering and deciphering apparatus and system | |
JPH08195735A (ja) | デコーダ装置 | |
KR19990035965A (ko) | 은폐된 작업인자를 가진 암호시스템 | |
US4133974A (en) | System for locally enciphering prime data | |
US4797922A (en) | Method of, and apparatus for, transforming a digital data sequence into an encoded form | |
GB2319704A (en) | Data encryption technique | |
US5544244A (en) | Method for protecting an enciphered computer object code against cryptanalysis | |
KR100458339B1 (ko) | 해독화방법및전자기기 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |