isabella232 / bcrypt-tool

A simple command line tool for generating bcrypted passwords.

Download the precompiled tool for your operating system from the releases page.

$ wget https://github.com/coreos/bcrypt-tool/releases/download/v1.0.0/bcrypt-tool-v1.0.0-linux-amd64.tar.gz
$ sha512sum bcrypt-tool-v1.0.0-linux-amd64.tar.gz
# verify results
$ tar -zxvf bcrypt-tool-v1.0.0-linux-amd64.tar.gz
./
./bcrypt-tool/
./bcrypt-tool/bcrypt-tool

Use the tool to create a bcrypted password.

$ ./bcrypt-tool/bcrypt-tool 
Enter password: 
Re-enter password: 
$2a$10$C9DliP580ooWFpr6XTQwOuFd3znBNDMVSytJmm9viL4XLZuy.PnMm

Increase the cost using the -cost flag (defaults to 10).

$ ./bcrypt-tool/bcrypt-tool -cost=14
Enter password: 
Re-enter password: 
$2a$14$830vR/vhwIFKXaLtHaP41OInok.XsUBAgrG.EC3JqyQUMrbj091qG