BR0316473A - Método para gerar um código de fluxo utilizando múltiplas chaves - Google Patents

Método para gerar um código de fluxo utilizando múltiplas chaves

Info

Publication number
BR0316473A
BR0316473A BR0316473-0A BR0316473A BR0316473A BR 0316473 A BR0316473 A BR 0316473A BR 0316473 A BR0316473 A BR 0316473A BR 0316473 A BR0316473 A BR 0316473A
Authority
BR
Brazil
Prior art keywords
key
generating
multiple keys
flow code
keys
Prior art date
Application number
BR0316473-0A
Other languages
English (en)
Inventor
Stephen Laurence Boren
Andre Jacques Brisson
Original Assignee
Stephen Laurence Boren
Andre Jacques Brisson
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 Stephen Laurence Boren, Andre Jacques Brisson filed Critical Stephen Laurence Boren
Publication of BR0316473A publication Critical patent/BR0316473A/pt

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
    • H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
    • 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
    • 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
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • 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
    • H04L2209/24—Key scheduling, i.e. generating round keys or sub-keys for block encryption

Abstract

"MéTODO PARA GERAR UM CóDIGO DE FLUXO UTILIZANDO MúLTIPLAS CHAVES". A presente invenção refere-se a métodos simétricos de criptografia onde o código de fluxo deve ser tão longo quanto a mensagem de texto puro. Um tal código é difícil de gerar se os dados de texto puro a serem criptografados for enorme. A presente invenção refere-se a um método para gerar um código de fluxo de comprimento variável o qual pode ser extremamente longo. Este é gerado pela criação de um número de subchaves aleatórias que tem comprimentos não-repetitivos e combinando tais subchaves em um modo aleatório.
BR0316473-0A 2002-11-20 2003-10-06 Método para gerar um código de fluxo utilizando múltiplas chaves BR0316473A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/299,847 US7190791B2 (en) 2002-11-20 2002-11-20 Method of encryption using multi-key process to create a variable-length key
PCT/CA2003/001538 WO2004047361A1 (en) 2002-11-20 2003-10-06 Method of generating a stream cipher using multiple keys

Publications (1)

Publication Number Publication Date
BR0316473A true BR0316473A (pt) 2005-10-11

Family

ID=32297785

Family Applications (2)

Application Number Title Priority Date Filing Date
BR0316473-0A BR0316473A (pt) 2002-11-20 2003-10-06 Método para gerar um código de fluxo utilizando múltiplas chaves
BRPI0316473-0A BRPI0316473B1 (pt) 2002-11-20 2003-10-06 "método para gerar uma cifra de bloco utilizando múltiplas chaves"

Family Applications After (1)

Application Number Title Priority Date Filing Date
BRPI0316473-0A BRPI0316473B1 (pt) 2002-11-20 2003-10-06 "método para gerar uma cifra de bloco utilizando múltiplas chaves"

Country Status (13)

Country Link
US (1) US7190791B2 (pt)
EP (1) EP1566009B1 (pt)
JP (1) JP4608319B2 (pt)
KR (1) KR100994841B1 (pt)
CN (1) CN100568802C (pt)
AT (1) ATE370569T1 (pt)
AU (1) AU2003273688B2 (pt)
BR (2) BR0316473A (pt)
CA (2) CA2414261A1 (pt)
DE (1) DE60315700T2 (pt)
ES (1) ES2291675T3 (pt)
MX (1) MXPA05005358A (pt)
WO (1) WO2004047361A1 (pt)

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EP1766568A1 (en) * 2004-06-14 2007-03-28 The University of North Carolina at Greensboro Systems and methods for digital content security
WO2007121587A1 (en) * 2006-04-25 2007-11-01 Stephen Laurence Boren Dynamic distributed key system and method for identity management, authentication servers, data security and preventing man-in-the-middle attacks
US20080304664A1 (en) * 2007-06-07 2008-12-11 Shanmugathasan Suthaharan System and a method for securing information
US20100235689A1 (en) * 2009-03-16 2010-09-16 Qualcomm Incorporated Apparatus and method for employing codes for telecommunications
EP2611062B1 (en) * 2010-08-24 2018-07-18 Mitsubishi Electric Corporation Encryption device, encryption system, encryption method and encryption program
CN102647393B (zh) * 2011-02-21 2017-02-22 鸿合科技有限公司 一种数字标牌的内容防盗播方法
US8767954B2 (en) * 2011-12-01 2014-07-01 Colloid, Llc Methods and systems for deriving a cryptographic framework
WO2015102839A1 (en) * 2013-12-30 2015-07-09 Jvl Ventures, Llc Systems, methods, and computer program products for providing application validation
CN106209736B (zh) * 2015-05-04 2020-01-17 腾讯科技（深圳）有限公司 流媒体数据播放方法、终端及流媒体服务器
CN105406960B (zh) * 2015-12-20 2019-02-22 河南思维自动化设备股份有限公司 一种信息加密和解密的方法
WO2017132693A2 (en) * 2016-01-28 2017-08-03 Tfor Llc Removing information from data
FI20165911A (fi) * 2016-11-30 2018-05-31 Sam Widlund Menetelmä ja järjestelmä tiedon salaukseen
CN106953875A (zh) * 2017-04-26 2017-07-14 吉林大学珠海学院 基于多密钥流密码的顺序加密方法
ZA202004225B (en) 2019-07-11 2023-07-26 Entersekt International Ltd System and method for secure input at a remote service
US11621837B2 (en) 2020-09-03 2023-04-04 Theon Technology Llc Secure encryption of data using partial-key cryptography
US11310042B2 (en) 2020-09-11 2022-04-19 Crown Sterling Limited, LLC Methods of storing and distributing large keys
US11552780B2 (en) 2020-12-23 2023-01-10 Theon Technologies, Inc. Homomorphic one-time pad encryption
US11755772B2 (en) * 2021-09-20 2023-09-12 Crown Sterling Limited, LLC Securing data in a blockchain with a one-time pad
US11943336B2 (en) 2021-11-22 2024-03-26 Theon Technology Llc Use of gradient decent function in cryptography
US11791988B2 (en) 2021-11-22 2023-10-17 Theon Technology Llc Use of random entropy in cryptography
US11902420B2 (en) 2021-11-23 2024-02-13 Theon Technology Llc Partial cryptographic key transport using one-time pad encryption
WO2024044313A1 (en) * 2022-08-25 2024-02-29 National Technology & Engineering Solutions Of Sandia, Llc Systems and methods for automatically updating system firmware

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Also Published As

Publication number Publication date
ATE370569T1 (de) 2007-09-15
BRPI0316473B1 (pt) 2018-03-13
CA2505338A1 (en) 2004-06-03
EP1566009B1 (en) 2007-08-15
CN100568802C (zh) 2009-12-09
KR100994841B1 (ko) 2010-11-16
MXPA05005358A (es) 2005-08-03
WO2004047361A1 (en) 2004-06-03
DE60315700T2 (de) 2008-06-05
AU2003273688B2 (en) 2009-06-25
US20040096056A1 (en) 2004-05-20
JP2006506668A (ja) 2006-02-23
CA2505338C (en) 2012-09-04
CN1714531A (zh) 2005-12-28
ES2291675T3 (es) 2008-03-01
DE60315700D1 (de) 2007-09-27
KR20050086746A (ko) 2005-08-30
EP1566009A1 (en) 2005-08-24
AU2003273688A1 (en) 2004-06-15
US7190791B2 (en) 2007-03-13
CA2414261A1 (en) 2004-05-20
JP4608319B2 (ja) 2011-01-12

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