void setAsProvisioned() {
        this.isProvisioned = true;
        identityKey = SecureUtils.calculateIdentityKey(networkKey);
    }
Sets the 128-bit authentication value generated based on the user input if the user input was selected
@param authenticationValue 128-bit auth value
mesh/src/main/java/no/nordicsemi/android/mesh/provisionerstates/UnprovisionedMeshNode.java