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pezkuwi-subxt/substrate/primitives/crypto/ec-utils/src/ed_on_bls12_377.rs
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Przemek Rzad bfb241d7f3 Add missing licenses and tune the scanning workflow (#1288)
* Add missing Cumulus licenses

* Typo

* Add missing Substrate licenses

* Single job checking the sub-repos in steps

* Remove dates

* Remove dates

* Add missing (C)

* Update FRAME UI tests

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update more UI tests

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

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Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
2023-08-30 15:45:49 +03:00

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Rust

// This file is part of Substrate.
// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//! Support functions for ed_on_bls12_377 to improve the performance of
//! msm and projective multiplication by host function calls
use crate::utils::{msm_te_generic, mul_projective_te_generic};
use ark_ed_on_bls12_377::EdwardsConfig;
use sp_std::vec::Vec;
/// Compute a multi scalar mulitplication for twisted_edwards through
/// arkworks.
pub fn msm(bases: Vec<u8>, scalars: Vec<u8>) -> Result<Vec<u8>, ()> {
msm_te_generic::<EdwardsConfig>(bases, scalars)
}
/// Compute a projective scalar multiplication for twisted_edwards
/// through arkworks.
pub fn mul_projective(base: Vec<u8>, scalar: Vec<u8>) -> Result<Vec<u8>, ()> {
mul_projective_te_generic::<EdwardsConfig>(base, scalar)
}
#[cfg(test)]
mod tests {
use super::*;
use ark_algebra_test_templates::*;
use sp_ark_ed_on_bls12_377::{EdwardsProjective as EdwardsProjectiveHost, HostFunctions};
struct Host {}
impl HostFunctions for Host {
fn ed_on_bls12_377_msm(bases: Vec<u8>, scalars: Vec<u8>) -> Result<Vec<u8>, ()> {
crate::elliptic_curves::ed_on_bls12_377_msm(bases, scalars)
}
fn ed_on_bls12_377_mul_projective(base: Vec<u8>, scalar: Vec<u8>) -> Result<Vec<u8>, ()> {
crate::elliptic_curves::ed_on_bls12_377_mul_projective(base, scalar)
}
}
type EdwardsProjective = EdwardsProjectiveHost<Host>;
test_group!(te; EdwardsProjective; te);
}