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fix: Additional check for flags to decide partial decrypt or not

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This commit is contained in:
Ranny 2025-06-01 23:45:04 -04:00
parent 7f0a88a6fe
commit ae8668d631
1 changed files with 11 additions and 3 deletions
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14
repak/src/entry.rs
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@ -70,6 +70,9 @@ impl Entry {
pub fn is_deleted(&self) -> bool {
0 != (self.flags >> 1) & 1
}
pub fn is_partial_encrypted(&self) -> bool {
0 != (self.flags >> 3) & 1
}
pub fn get_serialized_size(
version: super::Version,
compression: Option<u32>,
@ -330,7 +333,7 @@ impl Entry {
buf: &mut W,
) -> Result<(), super::Error> {
reader.seek(io::SeekFrom::Start(self.offset))?;
Entry::read(reader, version)?;
let entry_read = Entry::read(reader, version)?;
#[cfg(any(feature = "compression", feature = "oodle"))]
let data_offset = reader.stream_position()?;
#[allow(unused_mut)]
@ -348,9 +351,14 @@ impl Entry {
};
use aes::cipher::BlockDecrypt;
let mut data_len = data.len();
#[cfg(not(feature = "wuthering-waves-2_4"))]
let data_len = data.len();
#[cfg(feature = "wuthering-waves-2_4")]
{ data_len = data_len.min(2048); }
let data_len = if entry_read.is_partial_encrypted() {
data.len().min(2048)
} else {
data.len()
};
for block in data[..data_len].chunks_mut(16) {
key.decrypt_block(aes::Block::from_mut_slice(block))