etseidl commented on code in PR #7369:
URL: https://github.com/apache/arrow-rs/pull/7369#discussion_r2023646219
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parquet/src/file/metadata/reader.rs:
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@@ -710,7 +710,11 @@ impl ParquetMetaDataReader {
));
}
- Ok((self.decode_footer_metadata(&meta, &footer)?, None))
+ // need to slice off the footer or decryption fails
+ Ok((
+ self.decode_footer_metadata(&meta.slice(0..length), &footer)?,
Review Comment:
I just did a quick ugly test and verified this is an issue with not slicing
of the footer. The code in the `else` block does perform this slice. I can
split this out into a separate PR so it can go in before 55.0.
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