SWAMPy

✎ CARVE FLESH

EDITING: eddsa.rb

# frozen_string_literal: true

module JWT
  module Algos
    module Eddsa
      module_function

SUPPORTED = %w[ED25519 EdDSA].freeze

def sign(to_sign)
        algorithm, msg, key = to_sign.values
        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

def verify(to_verify)
        algorithm, public_key, signing_input, signature = to_verify.values
        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
    end
  end
end

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📄 ecdsa.rb	RB	1.9 KB	2023-09-24 03:47	EDIT
📄 eddsa.rb	RB	1.3 KB	2023-09-24 03:47	EDIT
📄 hmac.rb	RB	1.1 KB	2023-09-24 03:47	EDIT
📄 none.rb	RB	216 B	2023-09-24 03:47	EDIT
📄 ps.rb	RB	1.2 KB	2023-09-24 03:47	EDIT
📄 rsa.rb	RB	608 B	2023-09-24 03:47	EDIT
📄 unsupported.rb	RB	337 B	2023-09-24 03:47	EDIT