Go implementation of b2sum utility to calculate BLAKE2 checksums (GitHub Mirror)
Switch branches/tags
Nothing to show
Clone or download
Fetching latest commit…
Cannot retrieve the latest commit at this time.
Permalink
Failed to load latest commit information.
LICENSE
README.md
b2sum.go

README.md

B2SUM

Utility to calculate BLAKE2 checksums written in Go.

Note: The original utility available from https://blake2.net is faster.

Installation

Download binary for your platform by clicking on the Downloads item in the top menu, unzip it and put into your PATH.

Available platforms: OS X (darwin), Linux, FreeBSD, Windows.

To install from source, if you have Go installed:

$ go get bitbucket.org/dchest/b2sum

Usage

b2sum [-a=HASH] [-s=SIZE] [filename1] [filename2] ...

Supported HASHes: blake2b, blake2s.

If no filenames specified, reads from the standard input.

Examples

$ echo -n "Hello world" | b2sum
6ff843ba685842aa82031d3f53c48b66326df7639a63d128974c5c14f31a0f33343a8c65551134ed1ae0f2b0dd2bb495dc81039e3eeb0aa1bb0388bbeac29183

$ echo -n "Hello world" | b2sum -s=20
5ad31b81fc4dde5554e36af1e884d83ff5b24eb0

$ b2sum -s=32 /bin/sh /etc/bashrc 
BLAKE2b-32 (/bin/sh) = 376f70f4acc6e204ed9d098ce0e93798cb7ed1b047686872c7f496d02364c85c
BLAKE2b-32 (/etc/bashrc) = 1572d4fe68a18bae127fe79fa5d009fdb2e3357c238f722109012fa739aaacb7

$ b2sum -s=20 FreeBSD-9.0-RELEASE-amd64-disc1.iso
BLAKE2b-20 (FreeBSD-9.0-RELEASE-amd64-disc1.iso) = 4174862a104245d26b61315b80af92892f4a45f2

$ b2sum -a=blake2s LICENSE
BLAKE2s-32 (LICENSE) = c34533c95c63606f33b644eec52e58a3189aa65e133755b0ebec7a32d90d5736

Packages

Pure Go implementations of BLAKE2 to use in your applicaitons: