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27 lines
733 B
C++
27 lines
733 B
C++
// Copyright 2023 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <mbedtls/hmac_drbg.h>
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#include "Common/Crypto/HMAC.h"
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#include "Common/ScopeGuard.h"
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namespace Common::HMAC
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{
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bool HMACWithSHA1(std::span<const u8> key, std::span<const u8> msg, u8* out)
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{
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mbedtls_md_context_t ctx;
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Common::ScopeGuard guard{[&ctx] { mbedtls_md_free(&ctx); }};
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mbedtls_md_init(&ctx);
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if (mbedtls_md_setup(&ctx, mbedtls_md_info_from_type(MBEDTLS_MD_SHA1), 1))
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return false;
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if (mbedtls_md_hmac_starts(&ctx, key.data(), key.size()) ||
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mbedtls_md_hmac_update(&ctx, msg.data(), msg.size()) || mbedtls_md_hmac_finish(&ctx, out))
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{
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return false;
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}
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return true;
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}
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} // namespace Common::HMAC
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