61 pub struct V4Signature<R: Read + Seek> {  struct
122 impl V4Signature<fs::File> {  implementation
130 impl<R: Read + Seek> V4Signature<R> {  implementation
132     pub fn from_idsig(mut r: R) -> Result<V4Signature<R>> {  in from_idsig()
133         Ok(V4Signature {  in from_idsig()
156     ) -> Result<V4Signature<Cursor<Vec<u8>>>> {  in create()
168         let mut ret = V4Signature {  in create()
320         let parsed = V4Signature::from_idsig_path(format!("{}.idsig", TEST_APK_PATH)).unwrap();  in parse_idsig_file()
355         let mut v4_signature = V4Signature::from_idsig_path(&idsig_path).unwrap();  in parse_and_compose()
370             V4Signature::create(&mut input, current_sdk, 4096, &[], HashAlgorithm::SHA256).unwrap();  in digest_from_apk()
372         let mut golden = V4Signature::from_idsig_path(format!("{}.idsig", TEST_APK_PATH)).unwrap();  in digest_from_apk()