ReversedRoomsMisc/repak
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2.4 Beta decryption with zlib fix (#2)

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* fix: Zlib decryption for wuwa

For wuwa 2.4Beta+

* fix: updated per requests

* fix: build errors
This commit is contained in:
Przemek 2025-05-30 02:35:49 -04:00 committed by GitHub
parent 86e6144d9e
commit 2ad368a239
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GPG key ID: B5690EEEBB952194
1 changed files with 9 additions and 2 deletions
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11
repak/src/entry.rs
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@ -1,4 +1,4 @@
use std::io;
use std::{io, process::exit};
use byteorder::{LE, ReadBytesExt, WriteBytesExt};
@ -347,7 +347,14 @@ impl Entry {
return Err(super::Error::Encrypted);
};
use aes::cipher::BlockDecrypt;
for block in data.chunks_mut(16) {
let mut data_len = data.len();
#[cfg(all(feature = "wuthering-waves", feature = "compression"))]
if let Some(Compression::Zlib) = self.compression_slot.and_then(|c| compression[c as usize]) {
data_len = data_len.min(2048);
}
for block in data[..data_len].chunks_mut(16) {
key.decrypt_block(aes::Block::from_mut_slice(block))
}
data.truncate(self.compressed as usize);