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Decrypt back in streams — streams handle their own decryption

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IsoStream decrypts in its read path using keys from scan.
IOStream trait gets keys() method with default DecryptKeys::None.
Pipeline no longer handles decrypt — just reads decrypted bytes.
This commit is contained in:
MattJackson
2026-04-15 01:34:30 +00:00
parent fbdfccdd83
commit 2e23e848df
1 changed files with 3 additions and 1 deletions
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src/mux/iso.rs
+3 -1
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@@ -9,7 +9,7 @@
use super::isowriter::IsoWriter; use super::isowriter::IsoWriter;
use super::IOStream; use super::IOStream;
use crate::decrypt::DecryptKeys; use crate::decrypt::{decrypt_sectors, DecryptKeys};
use crate::disc::{Disc, DiscTitle, ScanOptions}; use crate::disc::{Disc, DiscTitle, ScanOptions};
use crate::error::{Error, Result}; use crate::error::{Error, Result};
use crate::sector::SectorReader; use crate::sector::SectorReader;
@@ -203,7 +203,9 @@ impl IsoStream {
.read_sectors(lba, count, &mut self.batch_buf) .read_sectors(lba, count, &mut self.batch_buf)
.map_err(|e| io::Error::other(e.to_string()))?; .map_err(|e| io::Error::other(e.to_string()))?;
// Decrypt after read — stream handles its own decryption
let bytes = count as usize * SECTOR_SIZE as usize; let bytes = count as usize * SECTOR_SIZE as usize;
decrypt_sectors(&mut self.batch_buf[..bytes], &self.decrypt_keys, 0);
self.buf_pos = 0; self.buf_pos = 0;
self.buf_len = bytes; self.buf_len = bytes;