NAME
b3sum - b3sum
SYNOPSIS
b3sum [OPTIONS] [FILE]...
DESCRIPTION
Arguments:
-
[FILE]...
-
Files to hash, or checkfiles to check
-
When no file is given, or when - is given, read standard input.
OPTIONS
--keyed
-
Use the keyed mode, reading the 32-byte key from stdin
--derive-key <CONTEXT>
-
Use the key derivation mode, with the given context string
-
Cannot be used with --keyed.
-l, --length <LEN>
-
The number of output bytes, before hex encoding
-
[default: 32]
--seek <SEEK>
-
The starting output byte offset, before hex encoding
-
[default: 0]
--num-threads <NUM>
-
The maximum number of threads to use
-
By default, this is the number of logical cores. If this flag is omitted, or if its value is 0, RAYON_NUM_THREADS is also respected.
--no-mmap
-
Disable memory mapping
-
Currently this also disables multithreading.
--no-names
-
Omit filenames in the output
--raw
-
Write raw output bytes to stdout, rather than hex
--no-names is implied. In this case, only a single input is allowed.
--tag
-
Output BSD-style checksums: BLAKE3 ([FILE]) = [HASH]
-c, --check
-
Read BLAKE3 sums from the [FILE]s and check them
--quiet
-
Skip printing OK for each checked file
-
Must be used with --check.
-h, --help
-
Print help (see a summary with '-h')
-V, --version
-
Print version