keystores

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Provides ruby access to Java Key Store types (e.g. JKS)

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# Keystores

This gem provides ruby implementations of different key stores. This was primarily created to provide the ability
to use many of the good Java key stores from ruby. This gem adds the key stores to the OpenSSL module structure,
since that is where the `OpenSSL::PKCS12` keystore lives.

## Installation

Add this line to your application's Gemfile:

```ruby
gem 'keystores'
```

And then execute:

$ bundle

Or install it yourself as:

$ gem install keystores

## Usage

The API for this gem is modeled after the Java `KeyStore` class. All of the `KeyStore` implementations provided by this
gem conform to the `Keystores::Keystore` interface.

The certificate and key objects that these keystores return and expect are `OpenSSL::X509::Certificate` and
`OpenSSL::PKey` objects, respectively.

### Supported Key Store types

#### Java Key Store (jks) format

[Detailed documentation](JAVA_KEY_STORE_README.md)

##### Reading

This gem supports reading trusted certificate entries and private key entries. It can read
and decrypt RSA, DSA, and EC keys.

Example usage:

```
require 'keystores'
keystore = OpenSSL::JKS.new

# Load can take any IO object, or a path to a file
key_store_password = 'keystores'
keystore.load('/tmp/keystore.jks', key_store_password)

certificate = keystore.get_certificate('my_certificate')
key = keystore.get_key('my_key', key_store_password)

certificate.check_private_key(key)

certificate_chain = keystore.get_certificate_chain('my_key')
```

##### Writing

This gem supports writing trusted certificate entries and private key entries. It currently supports
writing DSA, RSA, and EC private key entries.

Example usage:

```
require 'keystores'
keystore = OpenSSL::JKS.new

key = OpenSSL::PKey::RSA.new(File.read('my_key.pem'))
cert_chain = OpenSSL::X509::Certificate.new(File.read('my_cert.pem'))
private_key_password = 'key_password'

keystore.set_key_entry('my-key', key, cert_chain, private_key_password)

key_store_password = 'keystores'
keystore.store('my_keystore.jks', key_store_password)
```

## Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/rylarson/keystores.

## License

The gem is available as open source under the terms of the [MIT License](http://opensource.org/licenses/MIT).

keystores

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