Openssl For Windows 11 May 2026

openssl x509 -in certificate.crt -pubkey -noout | openssl pkey -pubin -outform der | openssl dgst -sha256 -binary | openssl base64 Download a CRL and verify:

Import-PfxCertificate -FilePath C:\path\to\bundle.pfx -CertStoreLocation Cert:\LocalMachine\My -Password (ConvertTo-SecureString "YourPassword" -AsPlainText -Force) For DER (.cer) as trusted root: openssl for windows 11

openssl req -x509 -newkey rsa:2048 -keyout selfsigned.key -out selfsigned.crt -days 365 -nodes -subj "/CN=localhost" Create a san.cnf file: openssl x509 -in certificate

openssl s_client -connect example.com:443 -servername example.com The -servername flag enables SNI (Server Name Indication). and root root.crt :

Add OpenSSL as a profile in Windows Terminal (JSON settings):

openssl rsa -in private.key -check -noout Given a leaf server.crt , intermediate intermediate.crt , and root root.crt :