Module: JWT::JWA::Eddsa

Defined in:
lib/jwt/jwa/eddsa.rb

Constant Summary collapse

SUPPORTED = 
%w[ED25519 EdDSA].freeze
SUPPORTED_DOWNCASED = 
SUPPORTED.map(&:downcase).freeze

Class Method Summary collapse

Class Method Details

.sign(algorithm, msg, key) ⇒ Object 



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# File 'lib/jwt/jwa/eddsa.rb', line 10

def sign(algorithm, msg, key)
  unless key.is_a?(RbNaCl::Signatures::Ed25519::SigningKey)
    raise EncodeError, "Key given is a #{key.class} but has to be an RbNaCl::Signatures::Ed25519::SigningKey"
  end

  validate_algorithm!(algorithm)

  key.sign(msg)
end

.verify(algorithm, public_key, signing_input, signature) ⇒ Object 



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# File 'lib/jwt/jwa/eddsa.rb', line 20

def verify(algorithm, public_key, signing_input, signature)
  unless public_key.is_a?(RbNaCl::Signatures::Ed25519::VerifyKey)
    raise DecodeError, "key given is a #{public_key.class} but has to be a RbNaCl::Signatures::Ed25519::VerifyKey"
  end

  validate_algorithm!(algorithm)

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