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− // Common labels used in this file:+ // magicnum - control ints or shorts found in all tmds
− // zeros - bytes all filled with zeros
− // undef - non-zero data of unknown purpose
− // sign - zero-terminated string padded to 64 bytes
− // probably used in the signing process
− // hash - probably 20, 512 or 1024 byte hashes
− //
− // # in front of a comment signifies entires that are
− // the same in each tmd-files the author checked
u32 magicnum0 [0x1]; // # 0x00010001+ u8 hash0 [0x100]; // ?+ u8 zeros0 [0x3C]; // # 0+ u8 sign0 [0x40]; // # Root-CA-CP+
− u8 undef0 [0x10]; // # ?+ u8 code [0x4]; // game code in ascii+ u32 magicnum1 [0x1]; // # 0x00000001+ u8 publ [0x2]; // publisher id+ u8 zeros1 [0x2]; // # 0+ u8 undef1 [0x4]; // ?+ u8 undef2 [0xE]; // ? 0x80+ u8 zeros2 [0x2E]; // # 0+ u8 undef3 [0x8]; // ?+ VC_TMD_FILE files[7]; // 7 file entries+ u32 magicnum2 [0x1]; // # 0x00010001+ u8 hash1 [0x100]; // # ?+ u8 zeros3 [0x3C]; // # 0+ u8 sign1 [0x40]; // # Root-CA+ u32 magicnum3 [0x1]; // # 0x00000001+ u8 sign2 [0x40]; // # CP+ u8 hash2 [0x104]; // # ?+ u32 magicnum4 [0x1]; // # 0x00010001+ u8 zeros4 [0x34]; // # 0+ u32 magicnum5 [0x1]; // # 0x00100000+ u8 hash3 [0x200]; // # ?+ u8 zeros5 [0x3C]; // # 0+
− u8 sign3 [0x40]; // # Root+ u32 magicnum6 [0x1]; // # 0x00000001+
− u8 sign4 [0x40]; // # CA+ u8 hash4 [0x104]; // # ?+ u32 magicnum7 [0x1]; // # 0x00010001+ u8 zeros6 [0x34]; // # 0+ }VC_TMD; // size: 09E0 bytes+
A "title" is a standalone entity -- a game, a channel, etc. Titles can be made up of multiple "contents". (Don't ask me I just work here.)
A "title" is a standalone entity -- a game, a channel, etc. Titles can be made up of multiple "contents". (Don't ask me I just work here.)
Many operations are done in terms of 64-byte blocks, which means you will often see padding out to the nearest 64-byte boundary at the end of a field.
− typedef unsigned char u8;
typedef unsigned char u8;
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} content_record; // size: 0x30 bytes
} content_record; // size: 0x30 bytes
− typedef struct{
+enum sig_type {
− RSA_2048 = 0x00010001,
− RSA_4096 = 0x00010000
−};
− typedef struct {
− u32 sig_type;
− u8 sig[256];
− u8 fill1[60];
− u8 issuer[64]; // Root-CA%08x-CP%08x
− u8 version;
− u8 ca_crl_version;
− u8 signer_crl_version;
− u8 fill2;
− u64 sys_version;
− u64 title_id;
− u32 title_type;
− u16 group_id; // publisher
− u8 reserved[62];
− u32 access_rights;
− u16 title_version;
− u16 num_contents;
− u16 boot_index;
− u16 fill3;
− content_record contents[num_contents];
−} tmd;
−The tmd is then followed by a chain of certificates, where each certificate is of the general form
− u32 sig_type; //
− u8 sig[256]; // 256 for RSA_2048, 512 for RSA_4096
− u8 issuer[32];
− u32 tag; // identifies what is being signed
− u8 name[64]; // name of thing being signed
+ u8 key[...];