rok commented on code in PR #7459:
URL: https://github.com/apache/arrow-rs/pull/7459#discussion_r2074324664


##########
parquet/src/file/metadata/reader.rs:
##########
@@ -963,15 +962,24 @@ impl ParquetMetaDataReader {
         let schema_descr = Arc::new(SchemaDescriptor::new(schema));
 
         if let (Some(algo), Some(file_decryption_properties)) = (
-            t_file_metadata.encryption_algorithm,
+            t_file_metadata.encryption_algorithm.clone(),
             file_decryption_properties,
         ) {
             // File has a plaintext footer but encryption algorithm is set
             file_decryptor = Some(get_file_decryptor(
                 algo,
-                t_file_metadata.footer_signing_key_metadata.as_deref(),
+                t_file_metadata
+                    .footer_signing_key_metadata
+                    .clone()
+                    .as_deref(),
                 file_decryption_properties,
             )?);
+            if file_decryption_properties.check_plaintext_footer_integrity() {
+                file_decryptor
+                    .clone()
+                    .unwrap()

Review Comment:
   Nice. Changed as suggested.



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