Optimize encryption

- Add archive for testing encryption of compressed files
- Implement incorrect password check
- Use custom crc32 function

1 files changed, 15 insertions, 10 deletions

diff --git a/src/zip/driver.rs b/src/zip/driver.rs
index 87f9c1a..62da39f 100644
--- a/src/zip/driver.rs
+++ b/src/zip/driver.rs
@@ -221,7 +221,7 @@ impl<Io: Read + Seek> ArchiveRead for Zip<Io> {
             indexes.insert(name.clone(), i);
             files.push(ZipFileInfo::new(
                 CompressionMethod::from_struct_id(cdr.compression_method)?,
-                EncryptionMethod::from_bit_flag(bit_flag),
+                EncryptionMethod::from_bif_flag(bit_flag, cdr.crc, cdr.dos_time),
                 bit_flag,
                 mtime,
                 atime,
@@ -258,11 +258,22 @@ impl<Io: Read + Seek> ArchiveRead for Zip<Io> {
         self.files.get(index).ok_or(ZipError::FileNotFound.into())
     }
 
-    fn get_file_reader<'d>(
+    #[inline]
+    fn get_file_reader<'d>(&'d mut self, index: usize) -> ZipResult<Self::FileReader<'d>> {
+        self.get_file_reader_with_optional_password(index, None)
+    }
+}
+
+impl<Io: Read + Seek> Zip<Io> {
+    pub fn comment(&self) -> &String {
+        &self.comment
+    }
+
+    pub fn get_file_reader_with_optional_password<'d>(
         &'d mut self,
         index: usize,
-        password: Option<&str>,
-    ) -> ZipResult<Self::FileReader<'d>> {
+        password: Option<&[u8]>,
+    ) -> ZipResult<<Self as ArchiveRead>::FileReader<'d>> {
         Ok(ZipFileReader::new(
             &mut self.io,
             self.files.get(index).ok_or(ZipError::FileNotFound)?,
@@ -271,12 +282,6 @@ impl<Io: Read + Seek> ArchiveRead for Zip<Io> {
     }
 }
 
-impl<Io: Read + Seek> Zip<Io> {
-    pub fn comment(&self) -> &String {
-        &self.comment
-    }
-}
-
 impl<Io: Read + Write + Seek> ArchiveWrite for Zip<Io> {
     type FileWriter<'d> = ZipFileWriter<'d, Io> where Io: 'd;
 }