Understanding Microsoft Cryptographic Service Providers
A common question I often get from customers and students is about Microsoft’s Cryptographic Service Providers (CSP). The CSPs are responsible for creating, storing and accessing cryptographic keys – the underpinnings of any certificate and PKI. These keys can be symmetric or asymmetric, RSA, Elliptical Key or a host of others such as DES, 3DES, […]
PowerShell PKI (PSPKI) 3.7 enhancements – security descriptors
Today I’m starting a series of blog posts where I will explore new features we have added to PowerShell PKI module, version 3.7. First post is dedicated to security descriptors. Major changes in PSPKI Within PSPKI module, we had an ability to manage security descriptors (access control lists) for Certification Authority can certificate template objects. […]
The mystery of “Valid existing certificate” setting in ADCS certificate templates – demystified
This is a follow-up of “Certificate renewal request is placed in pending state when Valid Existing Certificate is selected in certificate template” blog post and final nail into the subject. Let’s re-iterate the problem. ADCS Certificate Templates provide configuration for issuance requirements, which allows you to forcibly put request in pending state (no automatic issuance) […]
Our Advanced PKI Training Course Is Now Online
Now is the time to keep your PKI healthy – now more than ever. The key to operating and maintaining your PKI is understanding how it all works. We all know that PKIs are the foundational backbone of enterprise IT security, IoT, and industry specific security standards. Ensuring the security and integrity of your PKI […]
The Requested Template is not Supported by this CA (Error 0x80094800)
Today I was working with a customer and they mentioned they had just been contacted about an enrollment problem on one of their CAs. They had recently added a template to one of their Windows Server 2012 R2 CAs. The template had been in use for a long time and is present on their other […]
PKI Solutions Live Q&A
If you joined our PKI Solutions Office Hours – our live Q&A – held on April 2, 2020 with Mark Cooper, Vadims Podāns, and Jacob Grandlienard, you were part of a lively PKI discussion. With questions around setting up permissions in ADCS, the pros and cons of where CDPs are located, and configuring NDES, this […]
RSASSA-PSS – Why Your Certificate Can’t Be Validated
A common theme has been arriving in my email box lately as well as many online forums. Consistently people are reporting error with certificates issued by their internal Microsoft ADCS based CAs. Problems range from Apple devices, Firefox, appliances and many other systems. When people examine their certificates they see that their certificates are SHA […]
Changes to SSL/TLS Certificate Validity Periods – September 2020
It was recently announced that Google Chrome will be joining Apple Safari in implementing a change to publicly trusted SSL/TLS certificates. This change, however, will impact organizations operating their own internal PKI as well. While the change was initially submitted to the official CA/Browser Forum, the vote failed last year. However, both Apple and Google have unilaterally announced […]