{"id":137,"date":"2009-05-20T14:24:15","date_gmt":"2009-05-20T14:24:15","guid":{"rendered":"http:\/\/soi57.net\/articles\/?p=137"},"modified":"2009-05-20T14:24:15","modified_gmt":"2009-05-20T14:24:15","slug":"john-the-ripper-con-multiples-cpu","status":"publish","type":"post","link":"https:\/\/soi57.net\/blog\/john-the-ripper-con-multiples-cpu\/","title":{"rendered":"John the Ripper con multiples cpu"},"content":{"rendered":"<p>Si tu m\u00e1quina tiene <strong>m\u00e1s de un n\u00facleo o<\/strong> <strong>cpu <\/strong>y quieres aprovecharlas para testear la fuerza de tus <strong>contrase\u00f1as<\/strong>, puedes utilizar implementaciones del standard <a title=\"mpi wikipedia\" href=\"http:\/\/es.wikipedia.org\/wiki\/Interfaz_de_Paso_de_Mensajes\" target=\"_blank\">MPI<\/a>.<\/p>\n<p>MPI (\u00abMessage Passing Interface\u00bb, Interfaz de Paso de Mensajes) es un est\u00e1ndar que define la sintaxis y la sem\u00e1ntica de las funciones contenidas en una biblioteca de paso de mensajes dise\u00f1ada para ser usada en programas que exploten la existencia de m\u00faltiples procesadores.<\/p>\n<p>Descargarte una versi\u00f3n de John prepatcheada o el patch para que soporte openmpi o mpich (implementaciones MPI). Lo puedes hacer desde <a title=\"decargar john the ripper\" href=\"http:\/\/www.bindshell.net\/tools\/johntheripper\" target=\"_blank\">aqui<\/a> . Intalar mpich (u openmpi). En mi caso, una debian 4.0 he optado por mpich, me descargo las fuentes desde <a title=\"descargar mpich\" href=\"http:\/\/www.mcs.anl.gov\/research\/projects\/mpich2\/downloads\/index.php?s=downloads\" target=\"_blank\">aqui<\/a> .<\/p>\n<p>Compilas e instalas mpich ( o openmpi ).<br \/>\nSi optas por openmpi hay que hacer un peque\u00f1o cambio en el Makefile<br \/>\nvim Makefile<br \/>\n:%s\/mpicc\/om-mpicc\/g<br \/>\n:wq<\/p>\n<p>Si usas mpich es importante crear el fichero .mpd.conf en tu directorio de usuario y establecer una contrase\u00f1a. Despu\u00e9s arrancarlo en modo daemon mpd &#8211;daemon con tu usuario sin privilegios. Mas detalles de como configurarlo <a title=\"configurar mpich\" href=\"http:\/\/debianclusters.cs.uni.edu\/index.php\/MPICH_without_Torque_Functionality\" target=\"_blank\">aqu\u00ed<\/a> .<\/p>\n<p>Compilamos john the ripper y ya podemos utilizarlo.<br \/>\nPor ejemplo si tuviese 8 n\u00facleos<br \/>\nmpiexec -np 8 \/home\/blas\/john-1.7.2-bp17-mpi8\/run\/john &#8211;session=test01 -i:All passunshadowmpi<\/p>\n<p>Para contrastar la diferencia puedes hacer un john &#8211;test con y sin mpich.<\/p>\n<div style='text-align:left' class='yasr-auto-insert-visitor'><\/div>","protected":false},"excerpt":{"rendered":"<p>Si tu m\u00e1quina tiene m\u00e1s de un n\u00facleo o cpu y quieres aprovecharlas para testear la fuerza de tus contrase\u00f1as, puedes utilizar implementaciones del standard MPI. MPI (\u00abMessage Passing Interface\u00bb, &hellip; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"yasr_overall_rating":0,"yasr_post_is_review":"","yasr_auto_insert_disabled":"","yasr_review_type":"","footnotes":""},"categories":[25],"tags":[81],"class_list":["post-137","post","type-post","status-publish","format-standard","hentry","category-linux","tag-linux-john-contrasenas-password-multicpu"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>John the Ripper con multiples cpu<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/soi57.net\/blog\/john-the-ripper-con-multiples-cpu\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"John the Ripper con multiples cpu\" \/>\n<meta property=\"og:description\" content=\"Si tu m\u00e1quina tiene m\u00e1s de un n\u00facleo o cpu y quieres aprovecharlas para testear la fuerza de tus contrase\u00f1as, puedes utilizar implementaciones del standard MPI. 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