Requiem.RetryToken.Protector.derive_key_and_iv

You're seeing just the function derive_key_and_iv, go back to Requiem.RetryToken.Protector module for more information.
Link to this function

derive_key_and_iv(secret, nonce)

Specs

derive_key_and_iv(binary(), binary()) :: {:ok, binary(), binary()} | :error