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SHA-256 is a hashing algorithm.

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Is it easier to calculate a partial SHA256 collision than a full one?

I just put up a new file download to a website and added the SHA256 hash as well. Checking it, I noticed that I didn't really pay attention to the full hash, and that I never do. … Calculating a full hash collision of SHA256 has not been demonstrated as far as I know. …
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