Implicit key authentication definition
Implicit key authentication. The group session key is computed by each user’s ephemeral and long-term private keys. So, the users are assured that
Implicit key authentication means that a party can be sure that only the assumed remote party (and also the trusted third party if there is such) can have access to the key. “Key confirmation” means that the remote party confirms the possession of the new session key. “Explicit key authentication” is “implicit key authentication” together with “key confirmation”. “Key freshness” means that a party is sure in the freshness of the key.