{"id":104971,"date":"2022-08-30T15:36:43","date_gmt":"2022-08-30T13:36:43","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-fedora-linux-39-planiruyut-po-umolchaniyu-otklyuchit-podderzhku-podpisej-na-osnove-sha-1"},"modified":"2022-08-30T15:36:43","modified_gmt":"2022-08-30T13:36:43","slug":"v-fedora-linux-39-planiruyut-po-umolchaniyu-otklyuchit-podderzhku-podpisej-na-osnove-sha-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/v-fedora-linux-39-planiruyut-po-umolchaniyu-otklyuchit-podderzhku-podpisej-na-osnove-sha-1","title":{"rendered":"En Fedora Linux 39 se planea desactivar por defecto el soporte para firmas basadas en SHA-1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Los desarrolladores del proyecto Fedora han establecido un plan para descontinuar el soporte de firmas digitales basadas en el algoritmo SHA-1 en Fedora Linux 39. La desactivaci\u00f3n implica dejar de confiar en las firmas que utilizan hashes SHA-1 (SHA-224 ser\u00e1 declarado como el m\u00ednimo soportado en firmas digitales), pero se mantendr\u00e1 el soporte de HMAC con SHA-1 y se ofrecer\u00e1 la posibilidad de habilitar el perfil LEGACY con SHA-1. Tras la implementaci\u00f3n de los cambios, la biblioteca OpenSSL comenzar\u00e1 a bloquear de manera predeterminada la generaci\u00f3n y verificaci\u00f3n de firmas con SHA-1. <\/p>\n

La desactivaci\u00f3n est\u00e1 programada para llevarse a cabo en varias etapas: En Fedora Linux 36, las firmas basadas en SHA-1 se excluir\u00e1n de la pol\u00edtica \u00abFUTURE\u00bb, se proporcionar\u00e1 una pol\u00edtica de prueba TEST-FEDORA39 para desactivar SHA-1 a solicitud del usuario (update-crypto-policies \u2014set TEST-FEDORA39), y al crear y verificar firmas basadas en SHA-1 se mostrar\u00e1n advertencias en el registro. Durante la preparaci\u00f3n del lanzamiento de Fedora Linux 38, antes de la formaci\u00f3n de la versi\u00f3n beta, se aplicar\u00e1 una pol\u00edtica en el repositorio rawhide que proh\u00edbe el uso de firmas basadas en SHA-1, pero este cambio no se aplicar\u00e1 en la versi\u00f3n beta y en el lanzamiento de Fedora Linux 38. En el lanzamiento de Fedora Linux 39, la pol\u00edtica de finalizaci\u00f3n del soporte para firmas basadas en SHA-1 se aplicar\u00e1 por defecto. <\/p>\n

El plan propuesto a\u00fan no ha sido revisado por el comit\u00e9 FESCo (Fedora Engineering Steering Committee), responsable de la parte t\u00e9cnica del desarrollo de la distribuci\u00f3n Fedora. La desactivaci\u00f3n del soporte para firmas basadas en SHA-1 se debe a la mejora de la eficiencia de los ataques de colisi\u00f3n con prefijo conocido (el costo de encontrar una colisi\u00f3n se estima en decenas de miles de d\u00f3lares). En los navegadores, los certificados firmados utilizando el algoritmo SHA-1 han sido marcados como inseguros desde mediados de 2016.
\n
Fuente: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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(\u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u043e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u0432 \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0445 \u043f\u043e\u0434\u043f\u0438\u0441\u044f\u0445 \u0431\u0443\u0434\u0435\u0442 \u0437\u0430\u044f\u0432\u043b\u0435\u043d SHA-224), \u043d\u043e \u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 HMAC \u0441 SHA-1 \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0438 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u044c LEGACY-\u043f\u0440\u043e\u0444\u0438\u043b\u044c \u0441 SHA-1. \u041f\u043e\u0441\u043b\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104971","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47En Fedora Linux 39 se planea desactivar por defecto el soporte para firmas basadas en SHA-1 | ProHoster","description":"Los desarrolladores del proyecto Fedora han establecido un plan para descontinuar el soporte de firmas digitales basadas en el algoritmo SHA-1 en Fedora Linux 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