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The Checksum Generator generates a one-way checksum of a file with a configurable algorithm (SHA256 by default) and displays it on the screen. This is useful to ensure the integrity of a file and make sure that it has not been modified.

 

This utility is also included in EventSentry as an Add-On to the "File (Integrity) Monitoring" feature which can automatically generate SHA 256 checksums.

 

To display and create a checksum of a file, simply supply the file name as the first argument. Please keep in mind that generating checksums of large files can take a significant amount of (CPU) time depending on the system where it's running.

 

This utility can also calculate the entropy (randomness) of a file and verify its digital signature.

 

A comparison checksum can be passed as a parameter to checksum.exe. If the actual file checksum does not match the comparison checksum, checksum.exe will set the return code (%ERRORLEVEL%) to 1, when it matches to 0.

 

Interface

Command-line

 

Files

checksum.exe

 

Supported Platforms

Windows