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Communication apparatus and a communication system 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04K-001/02
  • H04L-009/00
출원번호 US-0670608 (1996-06-26)
우선권정보 JP-0193586 (1995-07-28)
발명자 / 주소
  • Yamamoto Takahisa,JPX
출원인 / 주소
  • Canon Kabushiki Kaisha, JPX
대리인 / 주소
    Fitzpatrick, Cella, Harper & Scinto
인용정보 피인용 횟수 : 53  인용 특허 : 6

초록 ▼

A communication device according to the present invention comprises an enciphering transmitter for enciphering data and transmitting enciphered data, a counter for obtaining a count of a quantity of enciphered data, and an accounting circuit for calculating, in accordance with the count held by the

대표청구항 ▼

[ What is claimed is:] [1.] A cryptographic communication device comprising:cryptographic communication means for enciphering transmission data and deciphering received enciphered data and for performing communication;changing means for changing a rate that is applied for enciphering/deciphering dat

이 특허에 인용된 특허 (6)

  1. Rivest Ronald L., Block encryption algorithm with data-dependent rotations.
    상세보기
  2. Rivest Ronald L., Block encryption algorithm with data-dependent rotations.
    상세보기
  3. Sedlak Holger (Braunschweiger Strasse 1A D-3300 Braunschweig DEX), Cryptographic method and cryptographic processor for carrying out the method.
    상세보기
  4. Iwamura Keiichi (Kawasaki JPX) Yamamoto Takahisa (Kawasaki JPX), Encryption apparatus, communication system using the same and method therefor.
    상세보기
  5. Micali Silvio (Cambridge MA) Schnorr Claus (Bad Nauheim DEX), Pseudo-random sequence generator.
    상세보기
  6. Adams Carlisle M. (Ottawa CAX), Symmetric cryptographic system for data encryption.
    상세보기

이 특허를 인용한 특허 (53)

  1. Vesely, Ivan, Cascaded stream cipher.
    상세보기
  2. Hanounik,Bedros, Cipher block chaining mode in encryption/decryption processing.
    상세보기
  3. Kocher, Paul C.; Jaffe, Joshua M.; Jun, Benjamin C., Cryptographic computation using masking to prevent differential power analysis and other attacks.
    상세보기
  4. Kocher, Paul C., Cryptographic token with leak-resistant key derivation.
    상세보기
  5. Briscoe,Robert John, Data distribution.
    상세보기
  6. Yamamoto, Tetsuya; Ishida, Tsutomu, Determination apparatus for determining type of recording medium.
    상세보기
  7. Yamamoto, Tetsuya; Ishida, Tsutomu, Determination apparatus for determining type of recording medium.
    상세보기
  8. Kocher, Paul C.; Jaffe, Joshua M.; Jun, Benjamin C., Differential power analysis.
    상세보기
  9. Kocher, Paul C.; Jaffe, Joshua M.; Jun, Benjamin C., Differential power analysis.
    상세보기
  10. Kocher, Paul C.; Jaffe, Joshua M.; Jun, Benjamin C., Differential power analysis method and apparatus.
    상세보기
  11. Kocher, Paul C.; Jaffe, Joshua M.; Jun, Benjamin C., Differential power analysis—resistant cryptographic processing.
    상세보기
  12. Kocher, Paul C.; Jaffe, Joshua M.; Jun, Benjamin C., Differential power analysis—resistant cryptographic processing.
    상세보기
  13. Moises E. Robinson ; Bernard L. Grung, Digitally programmable phase-lock loop for high-speed data communications.
    상세보기
  14. Shibamiya,Yoshikazu; Yamamoto,Takashi; Kutsuna,Masaki; Fukuda,Tetsu, Display apparatus having a remote control device with a track pad unit.
    상세보기
  15. Iwata, Koichiro; Noda, Tomoyuki; Akiyama, Takeshi; Morita, Kazumichi; Sonoda, Kazuhiro; Yamamoto, Takuro, Driving an image apparatus by simultaneous application of two reset voltages.
    상세보기
  16. Fukuda,Tetsu; Shibamiya,Yoshikazu; Miyamoto,Katsuhiro; Yamamoto,Takashi; Matsumoto,Yuichi; Aratani,Shuntaro; Kutsuna,Masaki, Electronic device.
    상세보기
  17. Hase, Junichi; Ozawa, Kaitaku; Ando, Kimie; Shozaki, Toshiya, Image data encryption apparatus, image data encryption method and recording medium having computer executable program stored therein.
    상세보기
  18. Felsher, David Paul, Information record infrastructure, system and method.
    상세보기
  19. Scott C. Vanstone CA; Robert J. Zuccherato CA, Key transmission system.
    상세보기
  20. Kocher, Paul C.; Jaffe, Joshua M., Leak-resistant cryptographic payment smartcard.
    상세보기
  21. Kocher,Paul C.; Jaffe,Joshua M., Leak-resistant cryptographic payment smartcard.
    상세보기
  22. Whelan, Robert; Van Wagenen, Lamar; Morris, Roy, Managed roaming for WLANS.
    상세보기
  23. Vaudenay, Serge, Method for data decorrelation.
    상세보기
  24. Whelan, Robert; van Wagenen, Lamar; Morris, Roy, Mobile unit configuration management for WLANs.
    상세보기
  25. Hoffberg, Steven M., Multifactorial optimization system and method.
    상세보기
  26. Yamamoto, Takahisa, Object gripping apparatus, control method for object gripping apparatus, and storage medium.
    상세보기
  27. Kocher, Paul C., Payment smart cards with hierarchical session key derivation providing security against differential power analysis and other attacks.
    상세보기
  28. Dixon, Martin; Chennupaty, Srinivas; Gueron, Shay, Performing AES encryption or decryption in multiple modes with a single instruction.
    상세보기
  29. Kocher, Paul C.; Jaffe, Joshua M.; Jun, Benjamin C., Prevention of side channel attacks against block cipher implementations and other cryptographic systems.
    상세보기
  30. Shibamiya, Yoshikazu; Yamamoto, Takashi; Kutsuna, Masaki; Fukuda, Tetsu, Remote control device.
    상세보기
  31. Tajima, Akio; Tanaka, Akihiro; Maeda, Wakako; Takahashi, Seigo, Secret communication system and method for generating shared secret information.
    상세보기
  32. Tewari, Anoop Kailasnath; Garg, Vikas; Swildens, Eric Sven-Johan, Secure content delivery system.
    상세보기
  33. Tewari,Anoop Kailasnath; Garg,Vikas; Swildens,Eric Sven Johan, Secure content delivery system.
    상세보기
  34. Moskowitz,Paul Andrew; Yu,Philip Shi Lung; Boies,Stephen J.; Dinkin,Samuel, System and method for a fee address system.
    상세보기
  35. Hoffberg, Steven M., System and method for determining contingent relevance.
    상세보기
  36. Hoffberg, Steven M., System and method for incentivizing participation in a market transaction.
    상세보기
  37. Whelan, Robert; Van Wagenen, Lamar; Morris, Roy; Wellisch, Gilbert, System and method for providing WLAN security through synchronized update and rotation of WEP keys.
    상세보기
  38. Whelan,Robert; Van Wagenen,Lamar; Morris,Roy; Wellisch,Gilbert, System and method for providing WLAN security through synchronized update and rotation of WEP keys.
    상세보기
  39. Hoffberg, Steven M., System and method for providing a payment to a non-winning auction participant.
    상세보기
  40. Naguib, Nayer, System and method for providing transaction verification.
    상세보기
  41. Felsher, David P.; Nagel, Robert H.; Hoffberg, Steven M., System and method for secure three-party communications.
    상세보기
  42. Felsher, David P.; Nagel, Robert H.; Hoffberg, Steven M., System and method for secure three-party communications.
    상세보기
  43. Nagel,Robert H.; Felsher,David P.; Hoffberg,Steven M., System and method for secure three-party communications.
    상세보기
  44. Berson, Thomas A.; Dean, R. Drews; Franklin, Matthew K.; Lunt, Teresa F.; Smetters, Diana K., System, method and article of manufacture for a cryptographic key infrastructure for networked devices.
    상세보기
  45. Berson,Thomas A.; Dean,R. Drews; Franklin,Matthew K.; Lunt,Teresa F; Smetters,Diana K., System, method and article of manufacture for cryptoserver-based auction.
    상세보기
  46. Berson,Thomas A; Dean,R Drews; Franklin,Matthew K; Lunt,Teresa F; Smetters,Diana K, System, method and article of manufacture for determining a price of cryptograph IC services based on a computational burden thereof.
    상세보기
  47. Berson,Thomas A.; Dean,R. Drews; Franklin,Matthew K.; Smetters,Diana K., System, method and article of manufacture for providing cryptographic services utilizing a network.
    상세보기
  48. Berson, Thomas A.; Dean, R. Drews; Franklin, Matthew K.; Lunt, Teresa F.; Smetters, Diana K., System, method and article of manufacture for transition state-based cryptography.
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  49. Tomoda, Koji; Yamamoto, Takeshi, Transfer system.
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  50. Yamamoto, Tetsuya, Wireless power transfer system, control method of wireless power transfer system, wireless power transmitting apparatus, control method of wireless power transmitting apparatus, and storage medium.
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  51. Yamamoto, Tetsuya, Wireless power transfer system, control method of wireless power transfer system, wireless power transmitting apparatus, control method of wireless power transmitting apparatus, and storage medium.
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  52. Yamamoto, Tetsuya, Wireless power transfer system, control method of wireless power transfer system, wireless power transmitting apparatus, control method of wireless power transmitting apparatus, and storage medium.
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  53. Yamamoto, Tetsuya, Wireless power transfer system, control method of wireless power transfer system, wireless power transmitting apparatus, control method of wireless power transmitting apparatus, and storage medium.
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