check embedded Signature in an exe file with node.js

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i have signed executables with MS signtool. Is there a way to verify the signature with node.js and the public key but withouth the MS signtool?

i want my main node.js application to download updated exe files and verify the signature but as it is on multiple clients i can't ensure that there is signtool installed.

So there must be a way to extract the signature from the exe file and verify it with crpyto or jsrsasign. hope someone can guide me in the right direction

regards

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