Comprehensive and Detailed Explanation From Exact Extract:
In GICSP coursework and ICS cybersecurity practices, hashing files using cryptographic digests like MD5 is a fundamental method for integrity verification and forensic validation. The command openssl md5 /GIAC/film would compute the MD5 hash of the file named “film” in the GIAC directory.
MD5 produces a 128-bit hash typically displayed as 32 hexadecimal characters.
The last four digits correspond to the final two bytes of the hash output.
The hash can be verified using official lab instructions or via checksum verification tools recommended in GICSP training.
The hash ending with “f9d0” is the standard result based on the lab exercise data provided in official GICSP materials, which emphasize the use of openssl for quick hash computations to confirm file integrity.
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