mirror of
https://github.com/suchmememanyskill/TegraExplorer.git
synced 2024-11-29 23:32:06 +00:00
12136d9289
Fixed: Scripts should free at the end Added: ncaGetType, saveSign Modified: pathCombine can now take 2+ args to combine
51 lines
No EOL
1.2 KiB
C
51 lines
No EOL
1.2 KiB
C
#include "save.h"
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#include <utils/types.h>
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#include <libs/fatfs/ff.h>
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#include <sec/se.h>
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#include <mem/heap.h>
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#include "../err.h"
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ErrCode_t saveCommit(const char *path){
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FIL file;
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int res;
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u8 *buf, hash[0x20], *cmac_data, cmac[0x10];
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const u32 hashed_data_size = 0x3D00, cmac_data_size = 0x200;
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buf = malloc(hashed_data_size);
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cmac_data = malloc(cmac_data_size);
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if ((res = f_open(&file, path, FA_OPEN_EXISTING | FA_READ | FA_WRITE))){
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goto out_free;
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}
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f_lseek(&file, 0x300);
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if ((res = f_read(&file, buf, hashed_data_size, NULL))){
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goto out_free;
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}
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se_calc_sha256_oneshot(hash, buf, hashed_data_size);
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f_lseek(&file, 0x108);
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if ((res = f_write(&file, hash, sizeof(hash), NULL))){
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goto out_free;
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}
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f_lseek(&file, 0x100);
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if ((res = f_read(&file, cmac_data, cmac_data_size, NULL))){
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goto out_free;
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}
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se_aes_cmac(8, cmac, 0x10, cmac_data, cmac_data_size);
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f_lseek(&file, 0);
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if ((res = f_write(&file, cmac, sizeof(cmac), NULL))){
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goto out_free;
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}
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out_free:;
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free(buf);
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free(cmac_data);
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f_close(&file);
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return newErrCode(res);
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} |