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Atmosphere/stratosphere/spl/source/spl_smc_wrapper.hpp
2019-04-25 00:33:10 -07:00

54 lines
3.4 KiB
C++

/*
* Copyright (c) 2018-2019 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <switch.h>
#include <stratosphere.hpp>
#include "spl_types.hpp"
class SmcWrapper {
public:
static inline u32 GetCryptAesMode(SmcCipherMode mode, u32 keyslot) {
return static_cast<u32>((mode << 4) | (keyslot & 7));
}
static inline u32 GetUnwrapEsKeyOption(EsKeyType type, u32 generation) {
return static_cast<u32>((type << 6) | (generation & 0x3F));
}
public:
static SmcResult SetConfig(SplConfigItem which, const u64 *value, size_t num_qwords);
static SmcResult GetConfig(u64 *out, size_t num_qwords, SplConfigItem which);
static SmcResult CheckStatus(SmcResult *out, AsyncOperationKey op);
static SmcResult GetResult(SmcResult *out, void *out_buf, size_t out_buf_size, AsyncOperationKey op);
static SmcResult ExpMod(AsyncOperationKey *out_op, const void *base, const void *exp, size_t exp_size, const void *mod);
static SmcResult GenerateRandomBytes(void *out, size_t size);
static SmcResult GenerateAesKek(AccessKey *out, const KeySource &source, u32 generation, u32 option);
static SmcResult LoadAesKey(u32 keyslot, const AccessKey &access_key, const KeySource &source);
static SmcResult CryptAes(AsyncOperationKey *out_op, u32 mode, const IvCtr &iv_ctr, u32 dst_addr, u32 src_addr, size_t size);
static SmcResult GenerateSpecificAesKey(AesKey *out_key, const KeySource &source, u32 generation, u32 which);
static SmcResult ComputeCmac(Cmac *out_mac, u32 keyslot, const void *data, size_t size);
static SmcResult 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);
static SmcResult DecryptOrImportRsaPrivateKey(void *data, size_t size, const AccessKey &access_key, const KeySource &source, u32 option);
static SmcResult SecureExpMod(AsyncOperationKey *out_op, const void *base, const void *mod, u32 option);
static SmcResult UnwrapTitleKey(AsyncOperationKey *out_op, const void *base, const void *mod, const void *label_digest, size_t label_digest_size, u32 option);
static SmcResult LoadTitleKey(u32 keyslot, const AccessKey &access_key);
static SmcResult UnwrapCommonTitleKey(AccessKey *out, const KeySource &source, u32 generation);
/* Deprecated functions. */
static SmcResult ImportEsKey(const void *data, size_t size, const AccessKey &access_key, const KeySource &source, u32 option);
static SmcResult DecryptRsaPrivateKey(size_t *out_size, void *data, size_t size, const AccessKey &access_key, const KeySource &source, u32 option);
static SmcResult ImportSecureExpModKey(const void *data, size_t size, const AccessKey &access_key, const KeySource &source, u32 option);
};