Hello S-1-1-0, @Crypt32 is again on a failboatboard with new blog post. Today I will share information about a little-known portion in configuration of Microsoft ADCS Certification Authority – serial number generation algorithm. This article assumes big-endian encoding Certificate serial number requirements Every X.509 conforming CA generates a unique serial number for each issued certificate,…

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I am extremely proud to announce that today we have launched our Online PKI Assessment Portal. This new service is the first of its kind to offer online, automated, self-paced review and assessments of Microsoft ADCS based PKIs. We have been performing onsite PKI Assessments for customers for years now. Typically focused on the design,…

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Join us for our PKI Solutions webinar series, kicking off March 26, 2020. This will be a year of talking quantum preparedness, validating SSL certificates, multi-cloud key management, ways to improve the security of your PKI, and more. Mark Cooper, aka The PKI Guy, will present and host the webinars. Learn PKI best practices and…

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In this post, I will explain how to create custom certificate trust list (CTL) using PowerShell PKI (PSPKI) module. What is CTL? In short, CTL is a Microsoft open format of portable certificate container based on PKCS#7 format. Although, PKCS#7 already is a simple container for certificate, CTL provides several useful features: Name each list…

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Recently, the National Security Agency (NSA) published a guide to Managing Risk from Transport Layer Security Inspection. The guide is designed to highlight the unique risks introduced into environments by the use of TLS inspection appliances. It also covers a few recommendations on how to secure these devices. There are some additional areas we recommend…

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