module JWT::Algos::Eddsa

Constants

SUPPORTED

Public Instance Methods

sign(algorithm, msg, key) click to toggle source
# File lib/jwt/algos/eddsa.rb, line 10
def sign(algorithm, msg, key)
  if key.class != RbNaCl::Signatures::Ed25519::SigningKey
    raise EncodeError, "Key given is a #{key.class} but has to be an RbNaCl::Signatures::Ed25519::SigningKey"
  end
  unless SUPPORTED.map(&:downcase).map(&:to_sym).include?(algorithm.downcase.to_sym)
    raise IncorrectAlgorithm, "payload algorithm is #{algorithm} but #{key.primitive} signing key was provided"
  end

  key.sign(msg)
end
verify(algorithm, public_key, signing_input, signature) click to toggle source
# File lib/jwt/algos/eddsa.rb, line 21
def verify(algorithm, public_key, signing_input, signature)
  unless SUPPORTED.map(&:downcase).map(&:to_sym).include?(algorithm.downcase.to_sym)
    raise IncorrectAlgorithm, "payload algorithm is #{algorithm} but #{key.primitive} signing key was provided"
  end
  raise DecodeError, "key given is a #{public_key.class} but has to be a RbNaCl::Signatures::Ed25519::VerifyKey" if public_key.class != RbNaCl::Signatures::Ed25519::VerifyKey

  public_key.verify(signature, signing_input)
rescue RbNaCl::CryptoError
  false
end