59 lines
2.3 KiB
C
59 lines
2.3 KiB
C
/*
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* keys.h
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*
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* Copyright (c) 2018-2020, SciresM.
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* Copyright (c) 2019, shchmue.
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* Copyright (c) 2020-2024, DarkMatterCore <pabloacurielz@gmail.com>.
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*
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* This file is part of nxdumptool (https://github.com/DarkMatterCore/nxdumptool).
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*
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* nxdumptool is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* nxdumptool is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for 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 <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#ifndef __KEYS_H__
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#define __KEYS_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/// Loads (and derives) keydata from sysmodule program memory, a keys file and hardcoded/obfuscated information.
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/// Must be called (and succeed) before calling any of the functions below.
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bool keysLoadKeyset(void);
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/// Returns a pointer to the AES-128-XTS NCA header key, or NULL if keydata hasn't been loaded.
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const u8 *keysGetNcaHeaderKey(void);
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/// Returns a pointer to an AES-128-ECB NCA key area encryption key using the provided key area encryption key index and key generation values, or NULL if keydata hasn't been loaded.
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const u8 *keysGetNcaKeyAreaEncryptionKey(u8 kaek_index, u8 key_generation);
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/// Decrypts a RSA-OAEP wrapped titlekey using console-specific keydata.
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/// 'rsa_wrapped_titlekey' must have a size of at least 0x100 bytes. 'out_titlekey' must have a size of at least AES_128_KEY_SIZE.
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/// Returns false if an error occurs or if keydata hasn't been loaded.
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bool keysDecryptRsaOaepWrappedTitleKey(const void *rsa_wrapped_titlekey, void *out_titlekey);
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/// Returns a pointer to an AES-128-ECB ticket common key using the provided key generation value, or NULL if keydata hasn't been loaded.
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const u8 *keysGetTicketCommonKey(u8 key_generation);
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/// Returns a pointer to the AES-128-CBC CardInfo area key for gamecard headers, or NULL if keydata hasn't been loaded.
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const u8 *keysGetGameCardInfoKey(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __KEYS_H__ */
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