Returns the salt used to hash this Account's credentials (eg for password hashing), or {@code null} if no salt
was used or credentials were not hashed at all.
@return the salt used to hash this Account's credentials (eg for password hashing), or {@code null} if no salt
was used or credentials were not hashed at all.
Returns the salt used to hash this Account's credentials (eg for password hashing), or {@code null} if no salt was used or credentials were not hashed at all.
@return the salt used to hash this Account's credentials (eg for password hashing), or {@code null} if no salt was used or credentials were not hashed at all.