Hash the password using Argon2 with the specified salt. The HashRaw methods may be used for password-based key derivation. Unless you're using HashRaw for key deriviation or for interoperability purposes, the Hash methods should be used in favor of the HashRaw methods. The raw bytes of the password to be hashed The raw salt bytes to be used for the hash. The salt must be at least 8 bytes. A byte array containing only the resulting hash