Passwordless, Passwords, Argon2, Encryption, Cryptography.
A shared secret ss and a mac key mackey is calculated using dhPubClient and y using ECC/RSA. Bob calculates a^k and computes a mac using macKey and Public key for Alice PubS Bob returns a^k , existing public salt for Alice g^k, envU which was stored earlier, mac, dhPubServer and signature sig is