Module: Tripwire::Server::CryptoSupport

Defined in:
lib/tripwire/server/crypto_support.rb

Constant Summary collapse

MIN_SUPPORTED_RUBY_VERSION = 
Gem::Version.new("3.3.0")
UNSUPPORTED_RUNTIME_MESSAGE = 
"Tripwire Ruby cryptography helpers require Ruby 3.3+ with modern OpenSSL support.".freeze

Class Method Summary collapse

Class Method Details

.ensure_supported_runtime! ⇒ Object

Raises:



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# File 'lib/tripwire/server/crypto_support.rb', line 22

def ensure_supported_runtime!
  return if supported_runtime?

  raise ConfigurationError, UNSUPPORTED_RUNTIME_MESSAGE
end

.minimum_supported_ruby_version ⇒ Object 



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# File 'lib/tripwire/server/crypto_support.rb', line 28

def minimum_supported_ruby_version
  MIN_SUPPORTED_RUBY_VERSION
end

.supported_runtime? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tripwire/server/crypto_support.rb', line 12

def supported_runtime?
  return @supported_runtime unless @supported_runtime.nil?

  @supported_runtime = Gem::Version.new(RUBY_VERSION) >= MIN_SUPPORTED_RUBY_VERSION &&
    OpenSSL::PKey.respond_to?(:generate_key) &&
    defined?(OpenSSL::KDF) &&
    OpenSSL::KDF.respond_to?(:hkdf) &&
    aead_auth_data_supported?
end

.unsupported_runtime_message ⇒ Object 



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# File 'lib/tripwire/server/crypto_support.rb', line 32

def unsupported_runtime_message
  UNSUPPORTED_RUNTIME_MESSAGE
end