tpm-key_attestation

TPM Key Attestation utitlies

Installation

Add this line to your application's Gemfile:

gem 'tpm-key_attestation'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install tpm-key_attestation

Usage

key_attestation =
  TPM::KeyAttestation.new(
    certify_info,
    signature,
    certified_object,
    signing_key,
    quilifying_data,
    signature_algorithm: TPM::ALG_RSAPSS # Supported values: TPM::ALG_RSAPSS, TPM::ALG_RSASSA, TPM::ALG_ECDSA (default TPM::ALG_RSASSA)
  )

if key_attestation.valid?
  key_attestation.key
end

Development

After 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. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/cedarcode/tpm-key_attestation.