In the TLS situation, the symmetric approach has two significant advantages: In the interaction between the client program and the Google web server, the authentication is one-way. Is there something about openssl sha digests that are different from raw SHA computations? The resulting file with the private key thus contains the full key pair. Your password may be sent to the web server, but the site can assure you that the password is not stored there. After the signed certificate is received back from the Certificate Authority, you will need this file to import the device certificate to the Pulse Connect Secure device.
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