Is there a CRC library that enables the user not only detect errors but also correct them? I’m looking for a C/C++ or Java library, ideally open-source.
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I believe that CRCs can only detect errors, not correct them. That’s certainly true of the most common implementation. You want some kind of error correction technique, not a CRC. I’m not aware of any libraries for doing this, but they must be easy enough to find once you know what you’re looking for.