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The PKI Guy talks security with Dr. Thorsten Groetker of Utimaco

Q&A with Dr. Thorsten Groetker, chief technology officer, Utimaco TPG: What are enterprises’ top security concerns? TG: Large enterprises have security concerns on many different layers; from secure single sign-on solutions for individual users to security in the cloud. Often, all those challenges must be addressed with an eye on regulatory requirements. How to maintain…

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Basic Constraints certificate extension

Hello everyone! Today I’m going to talk about X.509 Basic Constraints certificate extension. Basic Constraints is an X.509 Version 3 certificate extension and is used to identify the type of the certificate holder/subject. In the past (prior to version 3 X.509 certificates) it was impossible to identify who is the subject: CA certificate or end…

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SHAKEN/STIR is Getting Real

The Federal Communications Commission (FCC) estimates robocalls will constitute more than half of all phone calls placed in the U.S. this year. In an effort to end to this, the FCC and major telecommunications companies including Comcast, AT&T, and T-Mobile have lined up behind a new standard called SHAKEN/STIR (Signature-based Handling of Asserted Information using…

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‘The handle is invalid. 0x80070006 (WIN32: 6)’ when dumping CA database

As part of joining PKI Solutions, several blog posts from my old site are re-posted here for visibility and thoroughness. Issue Consider the following scenario: you are dumping CA database by using certutil, PowerShell or any other tool that utilizes ICertView2 interface and at some point you receive the following error Certutil: CertUtil: -view command FAILED: 0x80070006 (WIN32: 6) CertUtil:…

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