If I double click on a .crt file, in Windows, I'm presented with three tabs General, Details, and Certification Path. I'm aware that the Certification Path tells you the details of which root and intervening CAs as well as your own certificate, but how do you find the encryption key used for network encryption?

1 Answer 1


I think you mean what Microsoft calls Your Public Key Used for Encryption here.

And in that case you're simply looking for the Public key field.

Screenshot of Windows 10 dialog for "example.org" certificate

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