This feature generates an ECH key using the DNS name specified by the
input certificate as the public name. The key is written to the file
specified by the -key-out flag and the ECHConfigs (consumed by the
client) is written to the file specified by the -out flag.
This feature generates an ECH key using the DNS name specified by the input certificate as the public name. The key is written to the file specified by the -key-out flag and the ECHConfigs (consumed by the client) is written to the file specified by the -out flag.