Reversing Crc – Theory and Practice. Reversing Crc { Theory and Practice
نویسندگان
چکیده
The Cyclic Redundancy Check (CRC) was developed as a checksum algorithm for the detection of data corruption in the process of data transmission or storage. However, in some scenarios there's a CRC given which a set of data is expected to have, so the data itself has to be modi ed (at the end or at some chosen position) in a way that it computes to the given CRC checksum afterwards. We present methods providing solutions to this problem. Each algorithm is explained in theory and accompanied by an implementation for the CRC32 in the C programming language.
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