{"id":100519,"date":"2021-06-15T16:22:49","date_gmt":"2021-06-15T14:22:50","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-otkryl-instrumentarij-dlya-polnogo-gomomorfnogo-shifrovaniya"},"modified":"2021-06-15T16:22:49","modified_gmt":"2021-06-15T14:22:50","slug":"google-otkryl-instrumentarij-dlya-polnogo-gomomorfnogo-shifrovaniya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/google-otkryl-instrumentarij-dlya-polnogo-gomomorfnogo-shifrovaniya","title":{"rendered":"O Google lan\u00e7ou um conjunto de ferramentas para criptografia homom\u00f3rfica completa","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Google publicou um conjunto aberto de bibliotecas e utilit\u00e1rios com uma implementa\u00e7\u00e3o de sistema de criptografia homom\u00f3rfica completa que permite processar dados em formato criptografado, sem que estejam expostos em nenhuma fase dos c\u00e1lculos. A ferramenta possibilita a cria\u00e7\u00e3o de programas para computa\u00e7\u00f5es confidenciais, capazes de trabalhar com dados sem decifr\u00e1-los, incluindo a execu\u00e7\u00e3o de opera\u00e7\u00f5es matem\u00e1ticas e simples opera\u00e7\u00f5es de strings sobre dados criptografados. O c\u00f3digo do projeto foi escrito em C++ e \u00e9 distribu\u00eddo sob a licen\u00e7a Apache 2.0. <\/p>\n

Diferentemente da criptografia de ponta a ponta, a criptografia homom\u00f3rfica, al\u00e9m de proteger a transmiss\u00e3o de dados, proporciona a capacidade de processar dados sem a sua decodifica\u00e7\u00e3o. A plena homomorfia refere-se \u00e0 capacidade de realizar opera\u00e7\u00f5es de adi\u00e7\u00e3o e multiplica\u00e7\u00e3o em dados criptografados, a partir das quais \u00e9 poss\u00edvel implementar qualquer c\u00e1lculo arbitr\u00e1rio. O resultado \u00e9 um dado criptografado que seria an\u00e1logo \u00e0 criptografia do resultado de opera\u00e7\u00f5es semelhantes sobre os dados originais. <\/p>\n

O trabalho com dados na criptografia homom\u00f3rfica envolve o usu\u00e1rio criptografando dados e, sem revelar chaves, os enviando para processamento em um servi\u00e7o externo. Este servi\u00e7o realiza os c\u00e1lculos solicitados e gera um resultado criptografado, sem ter a capacidade de determinar com quais dados exatos ele est\u00e1 lidando. O usu\u00e1rio, utilizando suas chaves, decifra os dados recebidos e obt\u00e9m o resultado em formato aberto.

\"O<\/center> <\/p>\n

As \u00e1reas de aplica\u00e7\u00e3o da criptografia homom\u00f3rfica incluem a cria\u00e7\u00e3o de servi\u00e7os de nuvem para computa\u00e7\u00f5es confidenciais, a implementa\u00e7\u00e3o de sistemas de vota\u00e7\u00e3o eletr\u00f4nica, a cria\u00e7\u00e3o de protocolos de roteamento anonimizado, o processamento de consultas sobre dados criptografados em SGBDs e o treinamento confidencial de sistemas de aprendizado de m\u00e1quina. <\/p>\n

Por exemplo, a criptografia homom\u00f3rfica pode ser \u00fatil em aplica\u00e7\u00f5es m\u00e9dicas, que poder\u00e3o receber informa\u00e7\u00f5es confidenciais dos pacientes em formato criptografado e oferecer aos profissionais de sa\u00fade a possibilidade de analisar e identificar desvios sem a necessidade de descriptografar. A criptografia homom\u00f3rfica tamb\u00e9m pode ajudar em pesquisas que estudam a rela\u00e7\u00e3o entre doen\u00e7as e certas muta\u00e7\u00f5es gen\u00e9ticas, nas quais \u00e9 necess\u00e1rio analisar milhares de amostras de informa\u00e7\u00f5es gen\u00e9ticas. <\/p>\n

Uma caracter\u00edstica distintiva do conjunto de ferramentas publicado \u00e9 a capacidade de criar programas para processar dados criptografados, utilizando pr\u00e1ticas de desenvolvimento padr\u00e3o na linguagem C++. Com o transpiler fornecido, o programa em C++ \u00e9 convertido para um dialeto especial FHE-C++, capaz de trabalhar com dados criptografados.

\"O<\/center>
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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