It's an interesting question. If it is known that a particular hash value corresponds with a particular known image, how do you model what is learned by opening a file that matched that hash?

Given one file, it is relatively easy to construct a second file that looks and appears quite different but produces the same perceptual hash value. How do perceptual hash functions work?

You can probably burn this hash file to the cd itself, and if you're really paranoid write the hash of the hash file onto the CD or something.<br><br>I would say this is easier and better than ...

Several Spruce Creek High School students are still recovering from a batch of brownies police say were laced with hash oil. See what the drug is and how it's being used.

However, water hash makers have refined their methods, and top-quality water hash is now being sold as “solventless wax,” reflecting the consumer demand for chemical-free cannabis products.

PS Hash is a free tool that calculates, compares and verifies the checksums, content and hashes of .md5, .sha1, .sha256, etc, files using an algorithm.