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# tpm-key_attestation
TPM Key Attestation utitlies
[](https://rubygems.org/gems/tpm-key_attestation)
[](https://github.com/cedarcode/tpm-key_attestation/actions)
[](https://conventionalcommits.org)
## Installation
Add this line to your application's Gemfile:
```ruby
gem 'tpm-key_attestation'
```
And then execute:
$ bundle install
Or install it yourself as:
$ gem install tpm-key_attestation
## Usage
```ruby
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](https://rubygems.org).
## Contributing
Bug reports and pull requests are welcome on GitHub at https://github.com/cedarcode/tpm-key_attestation.
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