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51cdc5542c
This code was part of Dolphin's relicensing from v2 to v2+ a while back, we just never updated these copyright headers. I double-checked that segher gave us permission to relicense this code to v2+ on 2015-05-16.
30 lines
920 B
C++
30 lines
920 B
C++
// Copyright 2007,2008 Segher Boessenkool <segher@kernel.crashing.org>
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <array>
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#include "Common/CommonTypes.h"
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namespace Common::ec
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{
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using Signature = std::array<u8, 60>;
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using PublicKey = std::array<u8, 60>;
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/// Generate a signature using ECDSA.
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Signature Sign(const u8* key, const u8* hash);
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/// Check a signature using ECDSA.
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///
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/// @param public_key 30 byte ECC public key
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/// @param signature 60 byte signature
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/// @param hash Message hash
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bool VerifySignature(const u8* public_key, const u8* signature, const u8* hash);
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/// Compute a shared secret from a private key (30 bytes) and public key (60 bytes).
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std::array<u8, 60> ComputeSharedSecret(const u8* private_key, const u8* public_key);
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/// Convert a ECC private key (30 bytes) to a public key (60 bytes).
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PublicKey PrivToPub(const u8* key);
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} // namespace Common::ec
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