SE447859B - Krypteringsanordning samt dekrypteringsanordning - Google Patents

Krypteringsanordning samt dekrypteringsanordning

Info

Publication number
SE447859B
SE447859B SE8406242A SE8406242A SE447859B SE 447859 B SE447859 B SE 447859B SE 8406242 A SE8406242 A SE 8406242A SE 8406242 A SE8406242 A SE 8406242A SE 447859 B SE447859 B SE 447859B
Authority
SE
Sweden
Prior art keywords
bit
bits
code
sequence
encrypted
Prior art date
Application number
SE8406242A
Other languages
English (en)
Swedish (sv)
Other versions
SE8406242D0 (sv
SE8406242L (sv
Inventor
S Santesson
Original Assignee
Datakonsult I Malmo Ab
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 Datakonsult I Malmo Ab filed Critical Datakonsult I Malmo Ab
Priority to SE8406242A priority Critical patent/SE447859B/sv
Publication of SE8406242D0 publication Critical patent/SE8406242D0/xx
Priority to KR1019880700146A priority patent/KR920001575B1/ko
Priority to PCT/SE1986/000275 priority patent/WO1987007796A1/en
Publication of SE8406242L publication Critical patent/SE8406242L/xx
Publication of SE447859B publication Critical patent/SE447859B/sv

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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Storage Device Security (AREA)
SE8406242A 1984-12-10 1984-12-10 Krypteringsanordning samt dekrypteringsanordning SE447859B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE8406242A SE447859B (sv) 1984-12-10 1984-12-10 Krypteringsanordning samt dekrypteringsanordning
KR1019880700146A KR920001575B1 (ko) 1984-12-10 1986-06-09 암호화 및 해독장치
PCT/SE1986/000275 WO1987007796A1 (en) 1984-12-10 1986-06-09 Ciphering and deciphering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8406242A SE447859B (sv) 1984-12-10 1984-12-10 Krypteringsanordning samt dekrypteringsanordning

Publications (3)

Publication Number Publication Date
SE8406242D0 SE8406242D0 (sv) 1984-12-10
SE8406242L SE8406242L (sv) 1986-06-11
SE447859B true SE447859B (sv) 1986-12-15

Family

ID=20358096

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8406242A SE447859B (sv) 1984-12-10 1984-12-10 Krypteringsanordning samt dekrypteringsanordning

Country Status (3)

Country Link
KR (1) KR920001575B1 (ko)
SE (1) SE447859B (ko)
WO (1) WO1987007796A1 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2027105A6 (es) * 1990-05-10 1992-05-16 Amper Datos S A Equipo de cifrado.
NL9400428A (nl) * 1994-03-18 1995-11-01 Nederland Ptt Inrichting voor het cryptografisch bewerken van datapakketten, alsmede werkwijze voor het genereren van cryptografische bewerkingsdata.
US5825889A (en) * 1996-10-15 1998-10-20 Ericsson Inc. Use of duplex cipher algorithms for satellite channels with delay

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH539989A (de) * 1971-04-19 1973-07-31 Gretag Ag Verfahren und Vorrichtung zur chiffrierten Nachrichtenübermittlung
US4176247A (en) * 1973-10-10 1979-11-27 Sperry Rand Corporation Signal scrambler-unscrambler for binary coded transmission system
SE380696B (sv) * 1974-03-20 1975-11-10 Philips Svenska Ab Sett att alstra en pseudoslumpbitfoljd och anordning for utforande av settet.
US4133974A (en) * 1976-11-05 1979-01-09 Datotek, Inc. System for locally enciphering prime data
FR2467515A1 (fr) * 1979-10-10 1981-04-17 Telediffusion Fse Systeme de chiffrement et de dechiffrement d'un signal numerique

Also Published As

Publication number Publication date
WO1987007796A1 (en) 1987-12-17
SE8406242D0 (sv) 1984-12-10
SE8406242L (sv) 1986-06-11
KR920001575B1 (ko) 1992-02-18
KR880701502A (ko) 1988-07-27

Similar Documents

Publication Publication Date Title
CN109565510B (zh) 使用随机加密密码本加密法进行安全通信的系统和方法
US4668103A (en) Polygraphic encryption-decryption communications system
SE427402B (sv) Datalenkkommunikationssystem
US4520232A (en) Polygraphic encryption-decryption system
KR900702480A (ko) 통신기기
EP0667691A2 (en) Protected communication method and system
Campbell Design and specification of cryptographic capabilities
US20100202606A1 (en) Two strings private key (symmetric) encryption and decryption method
NO143601B (no) Fremgangsmaate ved innstilling av kodetekstgeneratorer i chifreringsinnretninger
CA2441392A1 (en) Encrypting apparatus
KR900702683A (ko) 데이타 인크립션 키이 불량 모니터
US20030152221A1 (en) Sequence generator and method of generating a pseudo random sequence
KR20090131696A (ko) 암/복호화 장치 및 이를 포함하는 보안 저장 장치
JPH05500298A (ja) 暗号化装置
JPS63135035A (ja) 暗号化／復号方法および装置
KR102482908B1 (ko) 네트워크 보안 대칭형 양자 암호키 기반 암호화 장치
DK170266B1 (da) Chifreringssystem og fremgangsmåde til chifrering og dechifrering
WO2000008907A2 (es) Sistema y metodo aleatorizador-encriptador autocorrector
EP0309447B1 (en) Ciphering and deciphering device
US20090150664A1 (en) Computer management system
CN111602113A (zh) 用于修改真随机数池的密码系统和方法
US5694473A (en) Decryption of retransmitted data in an encrypted communication system
SE447859B (sv) Krypteringsanordning samt dekrypteringsanordning
CN113518244B (zh) 基于替代文组合的数字电视信号数据发送方法和装置
US4369333A (en) Method and apparatus for enciphering and deciphering of information

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8406242-1

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8406242-1

Format of ref document f/p: F