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Code Issues Releases Activity

nyx: unconditionally dump pk1/2 encrypted states

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This commit is contained in:
CTCaer 2021-08-28 18:06:32 +03:00
parent 2a8c58af31
commit 49943ee46f
1 changed files with 23 additions and 14 deletions
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37
nyx/nyx_gui/frontend/gui_tools.c
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@ -1117,20 +1117,23 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)
lv_label_set_text(lb_desc, txt_buf);
manual_system_maintenance(true);
// Dump package1 in its encrypted state if unknown.
// Dump package1 in its encrypted state.
emmcsn_path_impl(path, "/pkg1", "pkg1_enc.bin", &emmc_storage);
bool res = sd_save_to_file(pkg1, BOOTLOADER_SIZE, path);
// Exit if unknown.
if (!pkg1_id)
{
strcat(txt_buf, "#FFDD00 Unknown pkg1 version!#");
lv_label_set_text(lb_desc, txt_buf);
manual_system_maintenance(true);
emmcsn_path_impl(path, "/pkg1", "pkg1_enc.bin", &emmc_storage);
if (sd_save_to_file(pkg1, BOOTLOADER_SIZE, path))
goto out_free;
strcat(txt_buf, "\nEncrypted pkg1 dumped to pkg1_enc.bin");
lv_label_set_text(lb_desc, txt_buf);
manual_system_maintenance(true);
if (!res)
{
strcat(txt_buf, "\nEncrypted pkg1 dumped to pkg1_enc.bin");
lv_label_set_text(lb_desc, txt_buf);
manual_system_maintenance(true);
}
goto out_free;
}
@ -1226,7 +1229,8 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)
{
se_aes_iv_clear(13);
se_aes_crypt_cbc(13, 0, warmboot + 0x330, hdr_pk11->wb_size - 0x330, warmboot + 0x330, hdr_pk11->wb_size - 0x330);
se_aes_crypt_cbc(13, DECRYPT, warmboot + 0x330, hdr_pk11->wb_size - 0x330,
warmboot + 0x330, hdr_pk11->wb_size - 0x330);
emmcsn_path_impl(path, "/pkg1", "warmboot_dec.bin", &emmc_storage);
if (sd_save_to_file(warmboot, hdr_pk11->wb_size, path))
goto out_free;
@ -1257,12 +1261,10 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)
pkg2 = malloc(pkg2_size_aligned);
nx_emmc_part_read(&emmc_storage, pkg2_part, 0x4000 / NX_EMMC_BLOCKSIZE,
pkg2_size_aligned / NX_EMMC_BLOCKSIZE, pkg2);
#if 0
// Dump encrypted package2.
emmcsn_path_impl(path, "/pkg2", "pkg2_encr.bin", &emmc_storage);
if (sd_save_to_file(pkg2, pkg2_size_aligned, path))
goto out;
gfx_puts("\npkg2 dumped to pkg2_encr.bin\n");
#endif
res = sd_save_to_file(pkg2, pkg2_size, path);
// Decrypt package2 and parse KIP1 blobs in INI1 section.
pkg2_hdr_t *pkg2_hdr = pkg2_decrypt(pkg2, kb);
@ -1271,6 +1273,13 @@ static lv_res_t _create_window_dump_pk12_tool(lv_obj_t *btn)
strcat(txt_buf, "#FFDD00 Pkg2 decryption failed!#");
lv_label_set_text(lb_desc, txt_buf);
manual_system_maintenance(true);
if (!res)
{
strcat(txt_buf, "\npkg2 encrypted dumped to pkg2_encr.bin\n");
lv_label_set_text(lb_desc, txt_buf);
manual_system_maintenance(true);
}
// Clear EKS slot, in case something went wrong with tsec keygen.
hos_eks_clear(kb);