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127 lines
3.5 KiB
C
127 lines
3.5 KiB
C
#pragma once
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#include "common.h"
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#include "ticket.h"
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#define TICKET_ISSUER "Root-CA00000003-XS0000000c"
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#define TICKET_ISSUER_DEV "Root-CA00000004-XS00000009"
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#define TMD_ISSUER "Root-CA00000003-CP0000000b"
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#define TMD_SIG_TYPE 0x00, 0x01, 0x00, 0x04 // RSA_2048 SHA256
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#define CIA_MAX_CONTENTS (100+1) // theme CIAs contain maximum 100 themes + 1 index content
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#define CIA_HEADER_SIZE sizeof(CiaHeader)
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#define CIA_CERT_SIZE 0xA00
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#define CIA_META_SIZE sizeof(CiaMeta)
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#define CIA_TICKET_SIZE sizeof(Ticket)
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#define CIA_TMD_SIZE_MIN sizeof(TitleMetaData)
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#define CIA_TMD_SIZE_MAX (sizeof(TitleMetaData) + (CIA_MAX_CONTENTS*sizeof(TmdContentChunk)))
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#define CIA_TMD_SIZE_N(n) (sizeof(TitleMetaData) + (n*sizeof(TmdContentChunk)))
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// see: https://www.3dbrew.org/wiki/CIA#Meta
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typedef struct {
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u8 dependencies[0x180]; // from ExtHeader
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u8 reserved0[0x180];
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u32 core_version; // 2 normally
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u8 reserved1[0xFC];
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u8 smdh[0x36C0]; // from ExeFS
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} __attribute__((packed)) CiaMeta;
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// from: https://github.com/profi200/Project_CTR/blob/02159e17ee225de3f7c46ca195ff0f9ba3b3d3e4/ctrtool/tmd.h#L18-L59;
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typedef struct {
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u8 id[4];
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u8 index[2];
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u8 type[2];
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u8 size[8];
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u8 hash[0x20];
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} __attribute__((packed)) TmdContentChunk;
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typedef struct {
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u8 index[2];
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u8 cmd_count[2];
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u8 hash[0x20];
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} __attribute__((packed)) TmdContentInfo;
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typedef struct {
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u8 sig_type[4];
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u8 signature[0x100];
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u8 padding[0x3C];
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u8 issuer[0x40];
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u8 version;
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u8 ca_crl_version;
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u8 signer_crl_version;
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u8 reserved0;
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u8 system_version[8];
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u8 title_id[8];
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u8 title_type[4];
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u8 group_id[2];
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u8 save_size[4];
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u8 twl_privsave_size[4];
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u8 reserved1[4];
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u8 twl_flag;
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u8 reserved2[0x31];
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u8 access_rights[4];
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u8 title_version[2];
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u8 content_count[2];
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u8 boot_content[2];
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u8 reserved3[2];
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u8 contentinfo_hash[0x20];
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TmdContentInfo contentinfo[64];
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} __attribute__((packed)) TitleMetaData;
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typedef struct {
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u32 size_header;
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u16 type;
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u16 version;
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u32 size_cert;
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u32 size_ticket;
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u32 size_tmd;
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u32 size_meta;
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u64 size_content;
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u8 content_index[0x2000];
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} __attribute__((packed)) CiaHeader;
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typedef struct {
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CiaHeader header;
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u8 header_padding[0x40 - (CIA_HEADER_SIZE % 0x40)];
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u8 cert[CIA_CERT_SIZE];
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// cert is aligned and needs no padding
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Ticket ticket;
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u8 ticket_padding[0x40 - (CIA_TICKET_SIZE % 0x40)];
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TitleMetaData tmd;
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TmdContentChunk content_list[CIA_MAX_CONTENTS];
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} __attribute__((packed)) CiaStub;
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typedef struct { // first 0x20 bytes are identical with CIA header
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u32 size_header;
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u16 type;
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u16 version;
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u32 size_cert;
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u32 size_ticket;
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u32 size_tmd;
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u32 size_meta;
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u64 size_content;
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u32 size_content_list;
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u64 size_cia;
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u32 offset_cert;
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u32 offset_ticket;
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u32 offset_tmd;
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u32 offset_content;
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u32 offset_meta;
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u32 offset_content_list;
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u32 max_contents;
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} __attribute__((packed)) CiaInfo;
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u32 ValidateCiaHeader(CiaHeader* header);
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u32 GetCiaInfo(CiaInfo* info, CiaHeader* header);
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u32 GetTmdCtr(u8* ctr, TmdContentChunk* chunk);
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u32 FixTmdHashes(TitleMetaData* tmd);
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u32 FixCiaHeaderForTmd(CiaHeader* header, TitleMetaData* tmd);
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u32 BuildCiaCert(u8* ciacert);
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u32 BuildFakeTmd(TitleMetaData* tmd, u8* title_id, u32 n_contents);
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u32 BuildCiaMeta(CiaMeta* meta, u8* exthdr, u8* smdh);
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u32 BuildCiaHeader(CiaHeader* header);
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u32 DecryptCiaContentSequential(u8* data, u32 size, u8* ctr, const u8* titlekey);
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u32 EncryptCiaContentSequential(u8* data, u32 size, u8* ctr, const u8* titlekey);
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