mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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336 lines
11 KiB
C++
336 lines
11 KiB
C++
/*
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* Copyright (c) 2018-2019 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <switch.h>
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#include <stratosphere.hpp>
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#include "spl_smc_wrapper.hpp"
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enum SmcFunctionId : u32 {
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SmcFunctionId_SetConfig = 0xC3000401,
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SmcFunctionId_GetConfig = 0xC3000002,
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SmcFunctionId_CheckStatus = 0xC3000003,
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SmcFunctionId_GetResult = 0xC3000404,
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SmcFunctionId_ExpMod = 0xC3000E05,
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SmcFunctionId_GenerateRandomBytes = 0xC3000006,
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SmcFunctionId_GenerateAesKek = 0xC3000007,
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SmcFunctionId_LoadAesKey = 0xC3000008,
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SmcFunctionId_CryptAes = 0xC3000009,
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SmcFunctionId_GenerateSpecificAesKey = 0xC300000A,
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SmcFunctionId_ComputeCmac = 0xC300040B,
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SmcFunctionId_ReEncryptRsaPrivateKey = 0xC300D60C,
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SmcFunctionId_DecryptOrImportRsaPrivateKey = 0xC300100D,
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SmcFunctionId_SecureExpMod = 0xC300060F,
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SmcFunctionId_UnwrapTitleKey = 0xC3000610,
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SmcFunctionId_LoadTitleKey = 0xC3000011,
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SmcFunctionId_UnwrapCommonTitleKey = 0xC3000012,
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/* Deprecated functions. */
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SmcFunctionId_ImportEsKey = 0xC300100C,
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SmcFunctionId_DecryptRsaPrivateKey = 0xC300100D,
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SmcFunctionId_ImportSecureExpModKey = 0xC300100E,
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};
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SmcResult SmcWrapper::SetConfig(SplConfigItem which, const u64 *value, size_t num_qwords) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_SetConfig;
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args.X[1] = which;
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args.X[2] = 0;
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for (size_t i = 0; i < std::min(size_t(4), num_qwords); i++) {
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args.X[3 + i] = value[i];
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}
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svcCallSecureMonitor(&args);
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::GetConfig(u64 *out, size_t num_qwords, SplConfigItem which) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_GetConfig;
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args.X[1] = which;
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svcCallSecureMonitor(&args);
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for (size_t i = 0; i < std::min(size_t(4), num_qwords); i++) {
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out[i] = args.X[1 + i];
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}
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::CheckStatus(SmcResult *out, AsyncOperationKey op) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_CheckStatus;
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args.X[1] = op.value;
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svcCallSecureMonitor(&args);
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*out = static_cast<SmcResult>(args.X[1]);
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::GetResult(SmcResult *out, void *out_buf, size_t out_buf_size, AsyncOperationKey op) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_GetResult;
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args.X[1] = op.value;
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args.X[2] = reinterpret_cast<u64>(out_buf);
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args.X[3] = out_buf_size;
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svcCallSecureMonitor(&args);
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*out = static_cast<SmcResult>(args.X[1]);
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::ExpMod(AsyncOperationKey *out_op, const void *base, const void *exp, size_t exp_size, const void *mod) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_ExpMod;
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args.X[1] = reinterpret_cast<u64>(base);
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args.X[2] = reinterpret_cast<u64>(exp);
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args.X[3] = reinterpret_cast<u64>(mod);
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args.X[4] = exp_size;
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svcCallSecureMonitor(&args);
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out_op->value = args.X[1];
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::GenerateRandomBytes(void *out, size_t size) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_GenerateRandomBytes;
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args.X[1] = size;
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svcCallSecureMonitor(&args);
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if (args.X[0] == SmcResult_Success && (size <= sizeof(args) - sizeof(args.X[0]))) {
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std::memcpy(out, &args.X[1], size);
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}
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::GenerateAesKek(AccessKey *out, const KeySource &source, u32 generation, u32 option) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_GenerateAesKek;
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args.X[1] = source.data64[0];
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args.X[2] = source.data64[1];
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args.X[3] = generation;
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args.X[4] = option;
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svcCallSecureMonitor(&args);
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out->data64[0] = args.X[1];
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out->data64[1] = args.X[2];
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::LoadAesKey(u32 keyslot, const AccessKey &access_key, const KeySource &source) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_LoadAesKey;
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args.X[1] = keyslot;
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args.X[2] = access_key.data64[0];
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args.X[3] = access_key.data64[1];
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args.X[4] = source.data64[0];
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args.X[5] = source.data64[1];
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svcCallSecureMonitor(&args);
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::CryptAes(AsyncOperationKey *out_op, u32 mode, const IvCtr &iv_ctr, u32 dst_addr, u32 src_addr, size_t size) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_CryptAes;
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args.X[1] = mode;
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args.X[2] = iv_ctr.data64[0];
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args.X[3] = iv_ctr.data64[1];
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args.X[4] = src_addr;
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args.X[5] = dst_addr;
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args.X[6] = size;
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svcCallSecureMonitor(&args);
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out_op->value = args.X[1];
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::GenerateSpecificAesKey(AesKey *out_key, const KeySource &source, u32 generation, u32 which) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_GenerateSpecificAesKey;
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args.X[1] = source.data64[0];
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args.X[2] = source.data64[1];
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args.X[3] = generation;
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args.X[4] = which;
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svcCallSecureMonitor(&args);
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out_key->data64[0] = args.X[1];
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out_key->data64[1] = args.X[2];
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::ComputeCmac(Cmac *out_mac, u32 keyslot, const void *data, size_t size) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_ComputeCmac;
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args.X[1] = keyslot;
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args.X[2] = reinterpret_cast<u64>(data);
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args.X[3] = size;
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svcCallSecureMonitor(&args);
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out_mac->data64[0] = args.X[1];
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out_mac->data64[1] = args.X[2];
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::ReEncryptRsaPrivateKey(void *data, size_t size, const AccessKey &access_key_dec, const KeySource &source_dec, const AccessKey &access_key_enc, const KeySource &source_enc, u32 option) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_ReEncryptRsaPrivateKey;
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args.X[1] = reinterpret_cast<u64>(&access_key_dec);
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args.X[2] = reinterpret_cast<u64>(&access_key_enc);
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args.X[3] = option;
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args.X[4] = reinterpret_cast<u64>(data);
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args.X[5] = size;
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args.X[6] = reinterpret_cast<u64>(&source_dec);
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args.X[7] = reinterpret_cast<u64>(&source_enc);
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svcCallSecureMonitor(&args);
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::DecryptOrImportRsaPrivateKey(void *data, size_t size, const AccessKey &access_key, const KeySource &source, u32 option) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_DecryptOrImportRsaPrivateKey;
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args.X[1] = access_key.data64[0];
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args.X[2] = access_key.data64[1];
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args.X[3] = option;
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args.X[4] = reinterpret_cast<u64>(data);
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args.X[5] = size;
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args.X[6] = source.data64[0];
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args.X[7] = source.data64[1];
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svcCallSecureMonitor(&args);
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::SecureExpMod(AsyncOperationKey *out_op, const void *base, const void *mod, u32 option) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_SecureExpMod;
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args.X[1] = reinterpret_cast<u64>(base);
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args.X[2] = reinterpret_cast<u64>(mod);
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args.X[3] = option;
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svcCallSecureMonitor(&args);
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out_op->value = args.X[1];
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::UnwrapTitleKey(AsyncOperationKey *out_op, const void *base, const void *mod, const void *label_digest, size_t label_digest_size, u32 option) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_UnwrapTitleKey;
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args.X[1] = reinterpret_cast<u64>(base);
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args.X[2] = reinterpret_cast<u64>(mod);
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std::memset(&args.X[3], 0, 4 * sizeof(args.X[3]));
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std::memcpy(&args.X[3], label_digest, std::min(size_t(4 * sizeof(args.X[3])), label_digest_size));
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args.X[7] = option;
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svcCallSecureMonitor(&args);
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out_op->value = args.X[1];
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::LoadTitleKey(u32 keyslot, const AccessKey &access_key) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_LoadTitleKey;
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args.X[1] = keyslot;
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args.X[2] = access_key.data64[0];
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args.X[3] = access_key.data64[1];
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svcCallSecureMonitor(&args);
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::UnwrapCommonTitleKey(AccessKey *out, const KeySource &source, u32 generation) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_UnwrapCommonTitleKey;
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args.X[1] = source.data64[0];
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args.X[2] = source.data64[1];
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args.X[3] = generation;
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svcCallSecureMonitor(&args);
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out->data64[0] = args.X[1];
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out->data64[1] = args.X[2];
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return static_cast<SmcResult>(args.X[0]);
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}
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/* Deprecated functions. */
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SmcResult SmcWrapper::ImportEsKey(const void *data, size_t size, const AccessKey &access_key, const KeySource &source, u32 option) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_ImportEsKey;
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args.X[1] = access_key.data64[0];
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args.X[2] = access_key.data64[1];
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args.X[3] = option;
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args.X[4] = reinterpret_cast<u64>(data);
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args.X[5] = size;
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args.X[6] = source.data64[0];
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args.X[7] = source.data64[1];
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svcCallSecureMonitor(&args);
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::DecryptRsaPrivateKey(size_t *out_size, void *data, size_t size, const AccessKey &access_key, const KeySource &source, u32 option) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_DecryptRsaPrivateKey;
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args.X[1] = access_key.data64[0];
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args.X[2] = access_key.data64[1];
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args.X[3] = option;
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args.X[4] = reinterpret_cast<u64>(data);
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args.X[5] = size;
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args.X[6] = source.data64[0];
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args.X[7] = source.data64[1];
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svcCallSecureMonitor(&args);
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*out_size = static_cast<size_t>(args.X[1]);
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return static_cast<SmcResult>(args.X[0]);
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}
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SmcResult SmcWrapper::ImportSecureExpModKey(const void *data, size_t size, const AccessKey &access_key, const KeySource &source, u32 option) {
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SecmonArgs args;
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args.X[0] = SmcFunctionId_ImportSecureExpModKey;
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args.X[1] = access_key.data64[0];
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args.X[2] = access_key.data64[1];
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args.X[3] = option;
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args.X[4] = reinterpret_cast<u64>(data);
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args.X[5] = size;
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args.X[6] = source.data64[0];
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args.X[7] = source.data64[1];
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svcCallSecureMonitor(&args);
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return static_cast<SmcResult>(args.X[0]);
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}
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