xxhsum

xxhsum is a command line tool used for calculating the hash of a file. It specializes in calculating the xxHash algorithm hash, which is a non-cryptographic hash function known for its fast performance. The xxHash algorithm is designed to generate a unique hash value for any given input with a low collision rate.

The xxhsum tool accepts input from both files and standard input, allowing for flexibility in its usage. It provides options to define the hash output format, including binary, hexadecimal, or decimal representations. It also offers features like the ability to compare hash values and to verify the integrity of files by comparing calculated hashes to previously generated ones.

One of the notable advantages of xxhsum is its high speed. It leverages the xxHash algorithm's performance characteristics to efficiently compute hashes, enabling it to process files quickly. With its simplicity and speed, xxhsum is often used in scenarios where fast hash calculation is required, such as data integrity checks, checksum verification, or quickly identifying duplicated files.