Now warns if you drop a folder or app onto its window. You can disable MD5 hashes for added speed, and it works a treat for testing whether two files are identical.
checksum
Checksums and CRC can be very quick, but have significant drawbacks. SHA-256 hashes are best, although there are also error-correcting codes used in optical disks.
How to design a method which not only detects errors in file data, but enables them to be corrected? A tale of Hamming, Reed, Solomon and CDs.
What are checksums, CRCs and hashes? What is required for a hash to be cryptographic, and how any of these affect your Mac? Some answers and explanations.
This page is for your support questions and comments on my free file integrity checker Dintch. Full details, […]
How can an app check that nothing has nobbled it? How to use its code signature to perform a simple launch test.
You have double-clicked on a disk image, and macOS refuses. Here is what you can do to get that image to mount, even when it’s damaged.
I needed a one-way method of generating a unique key for each subject name that would not permit the reverse process, of working out the name for a given key: something known as a ‘one-way hash key’.
Businesses are often built on trust, and one of the most fundamental elements of trust must be in the accuracy of the data on your Mac. How should you ensure that your files remain true and correct?
The Eclectic Light Company 