dbc/keytweak/
mod.rs

1// Deterministic bitcoin commitments library.
2//
3// SPDX-License-Identifier: Apache-2.0
4//
5// Written in 2019-2024 by
6//     Dr Maxim Orlovsky <orlovsky@lnp-bp.org>
7//
8// Copyright (C) 2019-2024 LNP/BP Standards Association. All rights reserved.
9//
10// Licensed under the Apache License, Version 2.0 (the "License");
11// you may not use this file except in compliance with the License.
12// You may obtain a copy of the License at
13//
14//     http://www.apache.org/licenses/LICENSE-2.0
15//
16// Unless required by applicable law or agreed to in writing, software
17// distributed under the License is distributed on an "AS IS" BASIS,
18// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19// See the License for the specific language governing permissions and
20// limitations under the License.
21
22//! Homomorphic key tweaking-based deterministic commitment scheme.
23//!
24//! **Embed-commit:**
25//! a) `PublicKey, Msg -> PublicKey', PublicKey`;
26//! b) `Set<PublicKey>, Msg -> Set<PublicKey>', PublicKey`;
27//! c) `LockScript, Msg -> LockScript', (LockScript, PublicKey)`;
28//! d) `(psbt::Output, TxOut), Msg -> (psbt::Output, TxOut)', KeytweakProof`;
29//! e) `PSBT, Msg -> PSBT', KeytweakProof`;
30//! **Convolve-commit:**
31//! d) `PubkeyScript, SpkDescriptor, Msg -> PubkeyScript'`;
32//! e) `TxOut, SpkDescriptor, Msg -> TxOut'`;
33//! f) `Tx, SpkDescriptor, Msg -> Tx'`;