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// Copyright (C) 2019-2021 Aleo Systems Inc. // This file is part of the snarkVM library. // The snarkVM library is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // The snarkVM library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with the snarkVM library. If not, see <https://www.gnu.org/licenses/>. use std::fmt::Debug; use snarkvm_algorithms::traits::PRF; use snarkvm_fields::Field; use snarkvm_r1cs::{errors::SynthesisError, ConstraintSystem}; use crate::{ bits::ToBytesGadget, integers::uint::UInt8, traits::{alloc::AllocGadget, eq::EqGadget}, }; pub trait PRFGadget<P: PRF, F: Field> { type OutputGadget: EqGadget<F> + ToBytesGadget<F> + AllocGadget<P::Output, F> + Clone + Debug; fn new_seed<CS: ConstraintSystem<F>>(cs: CS, output: &P::Seed) -> Vec<UInt8>; fn check_evaluation_gadget<CS: ConstraintSystem<F>>( cs: CS, seed: &[UInt8], input: &[UInt8], ) -> Result<Self::OutputGadget, SynthesisError>; }