Tag Archives: SHA1

Citrix problems with SHA2 certificates SSL error 61

Intro Basically all certificates issued these days use the SHA2 signing algorithm whereas a year ago or for some CAs just a few months ago this was not the case and the SHA1 signing algorithm was being used. This change … Continue reading

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My favorite openssl commands

Intro openssl is available on almost every operating system. It’s a great tool if you work with certificates regularly, or even occasionally. I want to document some of the commands I use most frequently. The details Convert PEM CERTs to … Continue reading

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