Is there any way to distinguish a file in archive is encrypted but not compressed?

[idle-ape]

As described in the README.md, SevenZip cannot throw an error if the archive is encrypted but not compressed. It recommends that users extract a file and check the CRC32 to detect the password. Is there any way to distinguish if a file in the archive is encrypted but not compressed?

[bodgit]

In a word, no, not currently.

Checking the CRC32 can be efficiently done on the fly with neglible overhead using an io.TeeReader when extracting.