{"id":104941,"date":"2022-08-26T09:36:42","date_gmt":"2022-08-26T07:36:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-opublikoval-biblioteku-dlya-vyyavleniya-problemnyh-kriptograficheskih-klyuchej"},"modified":"2022-08-26T09:36:42","modified_gmt":"2022-08-26T07:36:42","slug":"google-opublikoval-biblioteku-dlya-vyyavleniya-problemnyh-kriptograficheskih-klyuchej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/google-opublikoval-biblioteku-dlya-vyyavleniya-problemnyh-kriptograficheskih-klyuchej","title":{"rendered":"Google har offentliggjort et bibliotek til at identificere problematiske kryptografiske n\u00f8gler","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Medlemmerne af Google Security Team har offentliggjort et \u00e5bent bibliotek kaldet Paranoid, designet til at identificere usikre kryptografiske artefakter, s\u00e5som offentlige n\u00f8gler og digitale signaturer, der er skabt i s\u00e5rbare hardware (HSM) og softwaresystemer. Koden er skrevet i Python og distribueres under Apache 2.0-licensen. <\/p>\n

Projektet kan vise sig nyttigt til indirekte vurdering af anvendelsen af algoritmer og biblioteker, der har kendte sikkerhedsproblemer og s\u00e5rbarheder, der p\u00e5virker p\u00e5lideligheden af de genererede n\u00f8gler og digitale signaturer, hvis de artefakter, der kontrolleres, genereres af hardware, der ikke kan verificeres, eller lukkede komponenter, der fungerer som en sort boks. Biblioteket kan ogs\u00e5 analysere s\u00e6t af pseudo-tilf\u00e6ldige tal for at vurdere p\u00e5lideligheden af deres generator og identificere tidligere ukendte problemer, der opst\u00e5r p\u00e5 grund af programmeringsfejl eller brug af usikre pseudo-tilf\u00e6ldige talgeneratorer. <\/p>\n

Ved at kontrollere indholdet af den offentlige CT-log (Certificate Transparency), der omfatter oplysninger om mere end 7 milliarder certifikater, blev der ikke identificeret problematiske offentlige n\u00f8gler baseret p\u00e5 elliptiske kurver (EC) og digitale signaturer baseret p\u00e5 ECDSA-algoritmen, men der blev fundet problematiske offentlige n\u00f8gler baseret p\u00e5 RSA-algoritmen. Is\u00e6r blev 3586 usikre n\u00f8gler, genereret af kode med en uoprettet s\u00e5rbarhed CVE-2008-0166 i OpenSSL-pakken til Debian, 2533 n\u00f8gler relateret til s\u00e5rbarheden CVE-2017-15361 i Infineon-biblioteket, og 1860 n\u00f8gler med s\u00e5rbarhed relateret til fund af den st\u00f8rste f\u00e6lles divisor (GCD) identificeret. Oplysninger om de problematiske certifikater, der stadig er i brug, blev sendt til certificeringsmyndighederne for tilbagekaldelse.

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

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