snarkvm_console_algorithms/bhp/
commit_uncompressed.rs

1// Copyright 2024 Aleo Network Foundation
2// This file is part of the snarkVM library.
3
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at:
7
8// http://www.apache.org/licenses/LICENSE-2.0
9
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15
16use super::*;
17
18impl<E: Environment, const NUM_WINDOWS: u8, const WINDOW_SIZE: u8> CommitUncompressed
19    for BHP<E, NUM_WINDOWS, WINDOW_SIZE>
20{
21    type Input = bool;
22    type Output = Group<E>;
23    type Randomizer = Scalar<E>;
24
25    /// Returns the BHP commitment of the given input and randomizer as an affine group element.
26    fn commit_uncompressed(&self, input: &[Self::Input], randomizer: &Self::Randomizer) -> Result<Self::Output> {
27        let mut output = self.hash_uncompressed(input)?;
28
29        // Compute h^r.
30        randomizer.to_bits_le().iter().zip_eq(&**self.random_base()).filter(|(bit, _)| **bit).for_each(|(_, base)| {
31            output += base;
32        });
33
34        Ok(output)
35    }
36}

snarkvm_console_algorithms/bhp/commit_uncompressed.rs

snarkvm_console_algorithms/bhp/
commit_uncompressed.rs