BR112017003063A2 - métodos para gerar uma soma de verificação criptográfica e para autenticar uma mensagem, programa de computador, produto de programa de computador, gerador de soma de verificação, dispositivos emissor e receptor, terminal móvel, e, nó de acesso de rádio. - Google Patents

métodos para gerar uma soma de verificação criptográfica e para autenticar uma mensagem, programa de computador, produto de programa de computador, gerador de soma de verificação, dispositivos emissor e receptor, terminal móvel, e, nó de acesso de rádio.

Info

Publication number
BR112017003063A2
BR112017003063A2 BR112017003063A BR112017003063A BR112017003063A2 BR 112017003063 A2 BR112017003063 A2 BR 112017003063A2 BR 112017003063 A BR112017003063 A BR 112017003063A BR 112017003063 A BR112017003063 A BR 112017003063A BR 112017003063 A2 BR112017003063 A2 BR 112017003063A2
Authority
BR
Brazil
Prior art keywords
checksum
computer program
message
cryptographic
generating
Prior art date
Application number
BR112017003063A
Other languages
English (en)
Inventor
Dubrova Elena
Lindqvist Fredrik
Selander Göran
Näslund Mats
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BR112017003063A2 publication Critical patent/BR112017003063A2/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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • H04L9/3242—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving keyed hash functions, e.g. message authentication codes [MACs], CBC-MAC or HMAC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0061—Error detection codes
    • 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
    • H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
    • G06F7/72—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using residue arithmetic
    • G06F7/724—Finite field arithmetic
    • 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
    • H04L2209/34—Encoding or coding, e.g. Huffman coding or error correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

é provido um método (500) para gerar uma soma de verificação para uma mensagem . o método compreende selecionar pseudoaleatoriamente (502) pelo menos dois polinômios irredutíveis . cada polinômio irredutível é selecionado com base em uma primeira chave criptográfica do conjunto de polinômios irredutíveis de grau sobre um campo de galois. o método compreende adicionalmente calcular (503) um polinômio gerador de grau n = fórmula (i) como um produto dos n polinômios irredutíveis de fórmula (ii), e calcular (505) a soma de verificação criptográfica como uma primeira função de uma divisão de uma segunda função de , , modulo , isto é, . pela substituição de uma soma de verificação padrão, tal como uma verificação de redundância cíclica (crc), por uma soma de verificação criptográfica, é provida uma autenticação de mensagem eficiente. a soma de verificação criptográfica proposta pode ser usada para prover garantia de integridade na mensagem, isto é, para detectar alterações de mensagem aleatórias e intencionais, com um nível conhecido de segurança. adicionalmente, são providos um programa de computador correspondente, um produto de programa de computador correspondente e um gerador de soma de verificação para gerar uma soma de verificação criptográfica.
BR112017003063A 2014-08-19 2014-08-19 métodos para gerar uma soma de verificação criptográfica e para autenticar uma mensagem, programa de computador, produto de programa de computador, gerador de soma de verificação, dispositivos emissor e receptor, terminal móvel, e, nó de acesso de rádio. BR112017003063A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/067655 WO2016026517A1 (en) 2014-08-19 2014-08-19 Generating cryptographic checksums

Publications (1)

Publication Number Publication Date
BR112017003063A2 true BR112017003063A2 (pt) 2018-02-27

Family

ID=51422058

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017003063A BR112017003063A2 (pt) 2014-08-19 2014-08-19 métodos para gerar uma soma de verificação criptográfica e para autenticar uma mensagem, programa de computador, produto de programa de computador, gerador de soma de verificação, dispositivos emissor e receptor, terminal móvel, e, nó de acesso de rádio.

Country Status (6)

Country Link
US (1) US10396996B2 (pt)
EP (1) EP3183836B1 (pt)
JP (1) JP6397987B2 (pt)
CN (1) CN106688204B (pt)
BR (1) BR112017003063A2 (pt)
WO (1) WO2016026517A1 (pt)

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US10404458B1 (en) 2017-11-17 2019-09-03 ISARA Corporation Multi-round key encapsulation process
US10031795B1 (en) * 2017-12-22 2018-07-24 ISARA Corporation Using conversion schemes in public key cryptosystems
US10061636B1 (en) * 2017-12-22 2018-08-28 ISARA Corporation Conversion schemes for public key cryptosystems
US11032061B2 (en) * 2018-04-27 2021-06-08 Microsoft Technology Licensing, Llc Enabling constant plaintext space in bootstrapping in fully homomorphic encryption
RS20180651A1 (sr) * 2018-06-01 2019-12-31 Postupak i metod primene kodiranja na malim nosačima podataka
CN113039806B (zh) * 2018-10-31 2022-05-31 华为技术有限公司 用于可靠地接收控制消息的发送装置和接收装置
US11140139B2 (en) * 2018-11-21 2021-10-05 Microsoft Technology Licensing, Llc Adaptive decoder selection for cryptographic key generation
CN109861820B (zh) * 2019-02-18 2021-05-25 吉林大学珠海学院 基于随机散列和位运算的加密解密方法和装置
CN109951253B (zh) * 2019-03-14 2021-07-13 北京信而泰科技股份有限公司 一种数据报文首部校验和生成方法及装置
CN110765421B (zh) * 2019-10-22 2023-05-23 南方电网科学研究院有限责任公司 一种配电网运行参数的校验方法、装置、设备和存储介质
CN113328859B (zh) * 2021-04-21 2022-02-22 北京连山科技股份有限公司 信息分散的处理方法
US11861046B2 (en) * 2021-04-29 2024-01-02 Infineon Technologies Ag System for an improved safety and security check
CN113779645B (zh) * 2021-11-12 2022-02-22 南京大学 一种量子数字签名和量子数字签密方法
CN114039720B (zh) * 2021-11-17 2024-04-19 南京大学 一种基于lfsr哈希的无条件安全的认证加密方法

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Also Published As

Publication number Publication date
US20170244564A1 (en) 2017-08-24
EP3183836A1 (en) 2017-06-28
JP2017530581A (ja) 2017-10-12
US10396996B2 (en) 2019-08-27
CN106688204A (zh) 2017-05-17
WO2016026517A1 (en) 2016-02-25
CN106688204B (zh) 2020-04-24
JP6397987B2 (ja) 2018-09-26
EP3183836B1 (en) 2018-01-10

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Legal Events

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B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 8A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2684 DE 14-06-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.