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xxHash is an extremely fast non-cryptographic hash algorithm, working at RAM speed limit. It is proposed in four flavors (XXH32, XXH64, XXH3_64bits and XXH3_128bits). The latest variant, XXH3, offers improved performance across the board, especially on small data. It successfully completes the SMHasher test suite which evaluates collision, dispersion and randomness qualities of hash functions. Code is highly portable, and hashes are identical across all platforms (little / big endian)....

...The spreadsheet's Instructions tab provides step-by-step guidance through that comparison process. The purpose of the file hash comparison is to identify files whose contents have changed. For example, the files on an up-to-date data drive may be compared against the files previously found on that data drive, or on a backup drive. Identifying changed files may be useful as a precaution against ransomware. The Support tab (above) links to a blog post discussing uses of the spreadsheet for that purpose. See also https://raywoodcockslatest.wordpress.com/2022/04/10/ransomware-spreadsheet/

...The encryption features of CrococryptFile can be compared to a ZIP utility that uses ZIP's AES encryption. However, there are significant differences. CrococryptFile... - encrypts all file and folder information including filenames, time/date and filesize information, - disguises any information of the archive's content, because all data and meta-data is simply integrated into a giant file dump. =Crypto Suites= For a full list of and details about supported crypto suites, please visit the CrococryptFile Homepage. Examples: - Password-based encryption (following PBKDF2) with AES-256, Twofish, Serpent, ...

...It allows you to store user names, passwords, URLs and generic notes in an encrypted file protected by one master password. I will not add the source here, as I will not be keeping it up to date. Just the releases as they are updated on his/her github. If you require the source, or want to compile on your own, here it is: https://github.com/gaborbata/jpass

...To further correct this, I modified the padding when it's less than the block size. I hold no guarantee of the security of this algorithm, USE AT YOUR OWN RISK. I have had no 3rd party analysis done on the algorithm to date, but research is welcome, and a challenge is even provided in CHALLENGE.txt.