b3sum

all

Calculate BLAKE3 cryptographic checksums.

Options (1)

-c, --checkboolean

Read a file of BLAKE3 checksums and filenames and verify all files have matching checksums

Example: b3sum {{[-c|--check]}} {{path/to/file.b3}}

Calculate the BLAKE3 checksum for one or more files

b3sum path/to/file1 path/to/file2 ...

Calculate and save the list of BLAKE3 checksums to a file

b3sum path/to/file1 path/to/file2 ... > path/to/file.b3

Calculate a BLAKE3 checksum from `stdin`

command | b3sum

Read a file of BLAKE3 checksums and filenames and verify all files have matching checksums

b3sum [-c|--check] path/to/file.b3

Only show a message for missing files or when verification fails

b3sum [-c|--check] --quiet path/to/file.b3

Check a known BLAKE3 checksum of a file

echo known_blake3_checksum_of_the_file path/to/file | b3sum [-c|--check]