add dump_dec_hdrs option + fix header offset in old_mtk_pkg

This commit is contained in:
theubusu
2026-02-22 12:54:25 +01:00
parent 575dd718cd
commit b70bdb85ee
12 changed files with 85 additions and 15 deletions
+5
View File
@@ -8,6 +8,7 @@ use std::io::{Write, Cursor};
use binrw::BinReaderExt;
use crate::utils::common;
use crate::utils::global::opt_dump_dec_hdr;
use crate::keys;
use crate::formats::epk::{decrypt_aes_ecb_auto, find_key};
use include::*;
@@ -33,6 +34,7 @@ pub fn extract_epk3(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<
matching_key = Some(key_bytes);
_header_signature = &stored_header[..128];
header = decrypt_aes_ecb_auto(matching_key.as_ref().unwrap(), &stored_header[128..])?;
opt_dump_dec_hdr(app_ctx, &header, "header")?;
//try for new format epk3 (new type 256 byte signature)
} else if let Some((key_name, key_bytes)) = find_key(&keys::EPK, &stored_header[256..], b"EPK3")? {
@@ -40,6 +42,7 @@ pub fn extract_epk3(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<
matching_key = Some(key_bytes);
_header_signature = &stored_header[..256];
header = decrypt_aes_ecb_auto(matching_key.as_ref().unwrap(), &stored_header[256..])?;
opt_dump_dec_hdr(app_ctx, &header, "header")?;
new_type = true;
} else {
@@ -72,6 +75,8 @@ pub fn extract_epk3(app_ctx: &AppContext, _ctx: Box<dyn Any>) -> Result<(), Box<
//PKG INFO
let pkg_info_encrypted = common::read_exact(&mut file, hdr.package_info_size as usize)?;
let pkg_info = decrypt_aes_ecb_auto(matching_key_bytes, &pkg_info_encrypted)?;
opt_dump_dec_hdr(app_ctx, &pkg_info, "pkg_info")?;
let mut pkg_info_reader = Cursor::new(pkg_info);
let pkg_info_hdr: PkgInfoHeader = pkg_info_reader.read_le()?;