{"id":2062,"date":"2012-04-24T16:33:34","date_gmt":"2012-04-24T14:33:34","guid":{"rendered":"http:\/\/www.commander1024.de\/wordpress\/?p=2062"},"modified":"2012-05-06T16:38:18","modified_gmt":"2012-05-06T14:38:18","slug":"blowfish-statt-md5-password-hashes-in-freebsd","status":"publish","type":"post","link":"https:\/\/www.commander1024.de\/wordpress\/2012\/04\/blowfish-statt-md5-password-hashes-in-freebsd\/","title":{"rendered":"Blowfish statt MD5 password hashes in FreeBSD"},"content":{"rendered":" <p> Okay, FreeBSD nutzt nicht einfache MD5 Hashes gebildet \u00fcber Salt + Passwort sondern 1000 Durchg\u00e4nge mit Salt, Passwort und vorherigem Hash in unterschiedlichen Reihenfolgen, aber ich finde MD5 dennoch ziemlich uncool, au\u00dferdem erlaubt es nur 16 Zeichen lange Passworte. <\/p> \n <p> Blowfish empfinde ich MD5 gegen\u00fcber etwas \u00fcberlegen, zumal die Berechnung bei FreeBSD die Gleiche ist &#8211; und es erlaubt mir mit 32 Stellen doppelt so lange Passworte zu verwenden. Die Umstellung ist denkbar einfach: <\/p> \n <p> In der Datei <em>\/etc\/login.conf<\/em> muss nur eine Zeile in der <em>default<\/em>-Sektion ge\u00e4ndert werden. <\/p> \n<pre>&nbsp;:passwd_format=md5:\\<\/pre>\n <p> wird ge\u00e4ndert in: <\/p> \n<pre>&nbsp;:passwd_format=blf:\\<\/pre>\n <p> und danach die Logindatenbank neu bauen lassen: <\/p> \n<pre># cap_mkdb \/etc\/login.conf<\/pre>\n <p> Jetzt wird jedes neu gesetzte Passwort Blowfish &#8218;verschl\u00fcsselt&#8216;, zum Beispiel mit&nbsp;<em>pw<\/em> oder <em>passwd.<\/em> <\/p> \n","protected":false},"excerpt":{"rendered":" <p> Okay, FreeBSD nutzt nicht einfache MD5 Hashes gebildet \u00fcber Salt + Passwort sondern 1000 Durchg\u00e4nge mit Salt, Passwort und vorherigem Hash in unterschiedlichen Reihenfolgen, aber ich finde MD5 dennoch ziemlich uncool, au\u00dferdem erlaubt es nur 16 Zeichen lange Passworte. Blowfish empfinde ich MD5 gegen\u00fcber etwas \u00fcberlegen, zumal die Berechnung bei FreeBSD die Gleiche ist &#8211;&hellip; <\/p> \n","protected":false},"author":1,"featured_media":2115,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":4,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":""},"categories":[12,219,87],"tags":[381,216,186],"class_list":["post-2062","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administration","category-bsd","category-it","tag-administration","tag-freebsd","tag-sicherheit","comments-open","no-comments"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Blowfish statt MD5 password hashes in FreeBSD &#8211; Commander1024<\/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:\/\/www.commander1024.de\/wordpress\/2012\/04\/blowfish-statt-md5-password-hashes-in-freebsd\/\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"Marcus Scholz\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\u00a0Minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.commander1024.de\\\/wordpress\\\/2012\\\/04\\\/blowfish-statt-md5-password-hashes-in-freebsd\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.commander1024.de\\\/wordpress\\\/2012\\\/04\\\/blowfish-statt-md5-password-hashes-in-freebsd\\\/\"},\"author\":{\"name\":\"Marcus Scholz\",\"@id\":\"https:\\\/\\\/www.commander1024.de\\\/wordpress\\\/#\\\/schema\\\/person\\\/aebb61d9f57867e2234becde6d99da8d\"},\"headline\":\"Blowfish statt MD5 password hashes in FreeBSD\",\"datePublished\":\"2012-04-24T14:33:34+00:00\",\"dateModified\":\"2012-05-06T14:38:18+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.commander1024.de\\\/wordpress\\\/2012\\\/04\\\/blowfish-statt-md5-password-hashes-in-freebsd\\\/\"},\"wordCount\":122,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.commander1024.de\\\/wordpress\\\/#\\\/schema\\\/person\\\/aebb61d9f57867e2234becde6d99da8d\"},\"image\":{\"@id\":\"https:\\\/\\\/www.commander1024.de\\\/wordpress\\\/2012\\\/04\\\/blowfish-statt-md5-password-hashes-in-freebsd\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.commander1024.de\\\/wordpress\\\/wp-content\\\/uploads\\\/2012\\\/04\\\/freebsd_logo.png\",\"keywords\":[\"Administration\",\"FreeBSD\",\"Sicherheit\"],\"articleSection\":[\"Administration\",\"BSD\",\"IT\"],\"inLanguage\":\"de\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.commander1024.de\\\/wordpress\\\/2012\\\/04\\\/blowfish-statt-md5-password-hashes-in-freebsd\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.commander1024.de\\\/wordpress\\\/2012\\\/04\\\/blowfish-statt-md5-password-hashes-in-freebsd\\\/\",\"url\":\"https:\\\/\\\/www.commander1024.de\\\/wordpress\\\/2012\\\/04\\\/blowfish-statt-md5-password-hashes-in-freebsd\\\/\",\"name\":\"Blowfish statt MD5 password hashes in FreeBSD &#8211; 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