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