Hash Algorithms

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…

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Goodbye MD5 – Sooner Than You Think!

If you recall, last year Microsoft took a small step to increase the security of enterprises by following industry standards that weaker/shorter keylengths were no longer viable for production use. Microsoft did this with KB 2661254 which prevented Windows operating systems from validating certificates with key lengths shorter than 1024. Recently, Microsoft announced Security Advisory…

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