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GitHub Repository: hrydgard/ppsspp
 Path: blob/master/Core/ELF/PrxDecrypter.h
Views: 1401
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// Copyright (c) 2012- PPSSPP Project.

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// This program 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, version 2.0.

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// This program 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 2.0 for more details.

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// A copy of the GPL 2.0 should have been included with the program.

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// If not, see http://www.gnu.org/licenses/

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// Official git repository and contact information can be found at

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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.

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#pragma once

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#include "Common/Common.h"

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#include "Common/CommonTypes.h"

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#ifdef _MSC_VER

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#pragma pack(push, 1)

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#endif

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typedef struct

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{

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	u32_le      signature;       // 0

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	u16_le      attribute;       // 4  modinfo

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	u16_le      comp_attribute;  // 6

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	u8          module_ver_lo;   // 8

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	u8          module_ver_hi;   // 9

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	char        modname[28];     // 0A

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	u8          version;         // 26

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	u8          nsegments;       // 27

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	u32_le      elf_size;        // 28

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	u32_le      psp_size;        // 2C

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	u32_le      entry;           // 30

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	u32_le      modinfo_offset;  // 34

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	s32_le      bss_size;        // 38

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	u16_le      seg_align[4];    // 3C

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	u32_le      seg_address[4];  // 44

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	s32_le      seg_size[4];     // 54

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	u32_le      reserved[5];     // 64

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	u32_le      devkitversion;   // 78

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	u32_le      decrypt_mode;    // 7C 

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	u8          key_data0[0x30]; // 80

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	s32_le      comp_size;       // B0

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	s32_le      _80;             // B4

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	s32_le      reserved2[2];    // B8

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	u8          key_data1[0x10]; // C0

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	u32_le      tag;             // D0

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	u8          scheck[0x58];    // D4

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	u32_le      key_data2;       // 12C

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	u32_le      oe_tag;          // 130

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	u8          key_data3[0x1C]; // 134

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#ifdef _MSC_VER

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} PSP_Header;

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#else

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} __attribute__((packed)) PSP_Header;

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#endif

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#ifdef _MSC_VER

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#pragma pack(pop)

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#endif

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int pspDecryptPRX(const u8 *inbuf, u8 *outbuf, u32 size, const u8 *seed = nullptr);

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