I would like to see a new hash technique be added to the index.

Here's the scenario.

You have an anonymous ant.jar, and want to find out what it is.
Using the traditional hashing technique, the entire file is hashed and a
unique hash identification string is calculated.

A problem occurs when the jar file being interrogated against the MRM index
has had its contents recompressed without any real change to the bytecode.

I propose adding another key to the lucene document for an Artifact called "Bytecode 
Hash".

I've mocked up a simple demonstration of this hash technique in a small maven project located at http://joakim.erdfelt.com/truehash.tar.gz

I am willing to implement a patch for this.

- Joakim


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