This gem provides an API and scripts for creating crypto-related dns-records(e.g. DANE).
At the moment the following records are supported:
- TLSA
- SSHFP
- OPENPGPKEYS
This API does neither create nor provide any public keys/certificates. It just uses existing keys to create the dns-records.
Add this line to your application's Gemfile:
gem 'cryptorecord'And then execute:
$ bundle
Or install it yourself as:
$ gem install cryptorecord
docker build -t cryptorecord .
Lets mount the certificate in /certs and run tlsarecord using this cert:
docker run --rm -v /etc/ssl/certs/ssl-cert-snakeoil.pem:/certs/ssl-cert-snakeoil.pem cryptorecord tlsarecord -f /certs/ssl-cert-snakeoil.pem
This gem comes with some example scripts like:
- openpgpkeysrecord
- sshfprecord
- tlsarecord
Usage: ./openpgpkeysrecord -u <email> -f <gpgkeyfile>
-h, --help This help screen
-f PGP-PUBLICKEY-FILE, PGP-Publickey-File
--publickeyfile
-u, --uid EMAIL email-address
Usage: ./sshfprecord [ options ]
-h, --help This help screen
-f SSH-HOST-KEY-FILE, SSH-Hostkey-File
--hostkeyfile
-H, --host HOST host
-d, --digest DIGEST HASH-Algorithm
-r, --read-local-hostkeys Read all local Hostkeys.(like ssh-keygen -r)Usage: ./tlsarecord [ options ]
-h, --help This help screen
-f, --certfile CERTIFICATE-FILE Certificatefile
-H, --host HOST host
-p, --port PORTNUMBER port
-P, --protocol PROTOCOL protocol(tcp,udp,sctp..)
-s, --selector SELECTOR Selector for the association. 0 = Full Cert, 1 = SubjectPublicKeyInfo
-u, --usage USAGE Usage for the association. 0 = PKIX-CA, 1 = PKIX-EE, 2 = DANE-TA, 3 = DANE-EE
-t, --mtype MTYPE The Matching Type of the association. 0 = Exact Match, 1 = SHA-256, 2 = SHA-512#!/usr/bin/env ruby
require 'cryptorecord'
selector = 0
mtype = 0
usage = 3
port = 443
proto = "tcp"
host = "www.example.com"
tlsa = Cryptorecord::Tlsa.new(:selector => selector, :mtype => mtype, :usage => usage, :port => port, :proto => proto, :host => host )
tlsa.read_file("/etc/ssl/certs/ssl-cert-snakeoil.pem")
puts tlsa#!/usr/bin/env ruby
require 'cryptorecord'
sshfp = Cryptorecord::Sshfp.new(:digest => 1, :keyfile => '/etc/ssh/ssh_host_rsa_key.pub', :host => 'www.example.com')
puts sshfp#!/usr/bin/env ruby
require 'cryptorecord'
opk = Cryptorecord::Openpgpkey.new(:uid => "[email protected]")
opk.read_file("resources/hacky.asc")
puts opkAfter checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run bundle exec rake install.
docker run --rm --entrypoint "rake" cryptorecord
Bug reports and pull requests are welcome on GitHub at https://github.com/whotwagner/cryptorecord. This project is intended to be a safe, welcoming space for collaboration.
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