blake3

Fast cryptographic hash function for files and data

brewmacoslinux

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C implementation of the BLAKE3 cryptographic hash function

b3sum

generate hash of a file$ b3sum /path/to/file

verify file integrity with hash$ b3sum -c checksums.b3

hash text from command line$ echo 'hello world' | b3sum

generate hash for multiple files$ b3sum file1.txt file2.txt file3.txt

create checksum file for backup$ b3sum *.tar.gz > backup_hashes.b3