Powershell SIP MD5 Digest Hash Generation

I’ve written a little script that can calculate the MD5 hash used in the digest authentication in the SIP protocol. I’ve not checked it against any RFCs, so I’m not sure how standards compliant it is.

We are running an Audiocodes SBC and the hashes produced are the same. So it at least can be used to troubleshoot authentication issues with Audiocodes stuff.

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Powershell Get-Hash Function

Here’s a function you can use in Powershell to calculate the MD5 hash of a file. This is not originally written by myself, and have since lost the original source for the function. Nonetheless, it is still incredibly useful.