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https://github.com/hrydgard/ppsspp.git
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67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
#ifndef AMCTRL_H
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#define AMCTRL_H
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typedef struct {
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int type;
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u8 key[16];
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u8 pad[16];
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int pad_size;
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} MAC_KEY;
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typedef struct
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{
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u32 type;
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u32 seed;
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u8 key[16];
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} CIPHER_KEY;
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typedef struct {
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u8 vkey[16]; // key to decrypt PGD header
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u8 dkey[16]; // key to decrypt PGD data
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u32 open_flag;
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u32 key_index;
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u32 drm_type;
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u32 mac_type;
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u32 cipher_type;
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u32 data_size;
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u32 align_size;
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u32 block_size;
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u32 block_nr;
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u32 data_offset;
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u32 table_offset;
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u8 *block_buf;
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u32 current_block;
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u32 file_offset;
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}PGD_DESC;
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// type:
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// 2: use fuse id
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// 3: use fixed key. MAC need encrypt again
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int sceDrmBBMacInit(MAC_KEY *mkey, int type);
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int sceDrmBBMacUpdate(MAC_KEY *mkey, u8 *buf, int size);
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int sceDrmBBMacFinal(MAC_KEY *mkey, u8 *buf, u8 *vkey);
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int sceDrmBBMacFinal2(MAC_KEY *mkey, u8 *out, u8 *vkey);
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int bbmac_getkey(MAC_KEY *mkey, u8 *bbmac, u8 *vkey);
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// type: 1 use fixed key
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// 2 use fuse id
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// mode: 1 for encrypt
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// 2 for decrypt
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int sceDrmBBCipherInit(CIPHER_KEY *ckey, int type, int mode, u8 *header_key, u8 *version_key, u32 seed);
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int sceDrmBBCipherUpdate(CIPHER_KEY *ckey, u8 *data, int size);
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int sceDrmBBCipherFinal(CIPHER_KEY *ckey);
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// npdrm.prx
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int sceNpDrmGetFixedKey(u8 *key, char *npstr, int type);
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PGD_DESC *pgd_open(u8 *pgd_buf, int pgd_flag, u8 *pgd_vkey);
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int pgd_decrypt_block(PGD_DESC *pgd, int block);
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int pgd_close(PGD_DESC *pgd);
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#endif
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