b2sum

# b2sum

> Calculate BLAKE2 cryptographic checksums.
> More information: <https://blake2.net/#su>.

- Calculate the BLAKE2 checksum for a file:

b2sum {{filename1}}

- Calculate BLAKE2 checksums for multiple files:

b2sum {{filename1}} {{filename2}}

- Read a file of BLAKE2 sums and filenames and verify all files have matching checksums:

b2sum -c {{filename.b2}}

- Calculate the BLAKE2 checksum from stdin:

{{somecommand}} | b2sum