mirror of
https://vps.suchmeme.nl/git/mudkip/Lockpick_RCM.git
synced 2024-11-11 13:15:08 +01:00
Support pkg1+pkg2 mismatch and "dev.keys" filename
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b464042f3a
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@ -285,10 +285,6 @@ get_tsec: ;
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// Dump package2.
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u8 *pkg2 = NULL;
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pkg2_kip1_info_t *ki = NULL;
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if (!_key_exists(master_key[pkg1_id->kb])) {
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EPRINTF("Current master key not found.\nUnable to decrypt Package2.");
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goto pkg2_done;
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}
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sdmmc_storage_set_mmc_partition(&storage, 0);
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// Parse eMMC GPT.
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@ -318,14 +314,24 @@ get_tsec: ;
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pkg2 = malloc(pkg2_size_aligned);
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nx_emmc_part_read(&storage, pkg2_part, 0x4000 / NX_EMMC_BLOCKSIZE, pkg2_size_aligned / NX_EMMC_BLOCKSIZE, pkg2);
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// Decrypt package2 and parse KIP1 blobs in INI1 section.
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se_aes_key_set(8, master_key[pkg1_id->kb], 0x10);
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se_aes_unwrap_key(8, 8, package2_key_source);
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pkg2_hdr_t *pkg2_hdr = pkg2_decrypt(pkg2);
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if (!pkg2_hdr) {
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// Decrypt package2 and parse KIP1 blobs in INI1 section. Try all available key generations in case of pkg1/pkg2 mismatch.
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pkg2_hdr_t *pkg2_hdr;
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pkg2_hdr_t hdr;
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u32 pkg2_kb;
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for (pkg2_kb = 0; pkg2_kb < MAX_KEY; pkg2_kb++) {
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se_aes_key_set(8, master_key[pkg2_kb], 0x10);
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se_aes_unwrap_key(8, 8, package2_key_source);
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memcpy(&hdr, pkg2 + 0x100, sizeof(pkg2_hdr_t));
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se_aes_crypt_ctr(8, &hdr, sizeof(pkg2_hdr_t), &hdr, sizeof(pkg2_hdr_t), &hdr);
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if (hdr.magic == PKG2_MAGIC)
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break;
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}
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if (pkg2_kb == MAX_KEY) {
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EPRINTF("Failed to decrypt Package2.");
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goto pkg2_done;
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}
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} else if (pkg2_kb != pkg1_id->kb)
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EPRINTF("Warning: Package1-Package2 mismatch.");
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pkg2_hdr = pkg2_decrypt(pkg2);
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TPRINTFARGS("%kDecrypt pkg2... ", colors[2]);
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@ -745,8 +751,13 @@ key_output: ;
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TPRINTFARGS("\n%kFound %d keys.\n%kLockpick totally", colors[0], _key_count, colors[1]);
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f_mkdir("switch");
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if (!sd_save_to_file(text_buffer, strlen(text_buffer), "sd:/switch/prod.keys") && !f_stat("sd:/switch/prod.keys", &fno)) {
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gfx_printf("%kWrote %d bytes to /switch/prod.keys\n", colors[2], (u32)fno.fsize);
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char keyfile_path[30] = "sd:/switch/";
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if (!(fuse_read_odm(4) & 3))
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sprintf(&keyfile_path[11], "prod.keys");
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else
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sprintf(&keyfile_path[11], "dev.keys");
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if (!sd_save_to_file(text_buffer, strlen(text_buffer), keyfile_path) && !f_stat(keyfile_path, &fno)) {
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gfx_printf("%kWrote %d bytes to %s\n", colors[2], (u32)fno.fsize, keyfile_path);
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} else
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EPRINTF("Failed to save keys to SD.");
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sd_unmount();
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