fix: fixes postal default-dkim-record

app/lib/signer.rb

@@ -1,66 +0,0 @@
-# frozen_string_literal: true
-
-require "base64"
-
-class Signer
-
-  # Create a new Signer
-  #
-  # @param [OpenSSL::PKey::RSA] private_key The private key to use for signing
-  # @return [Signer]
-  def initialize(private_key)
-    @private_key = private_key
-  end
-
-  # Return the private key
-  #
-  # @return [OpenSSL::PKey::RSA]
-  attr_reader :private_key
-
-  # Return the public key for the private key
-  #
-  # @return [OpenSSL::PKey::RSA]
-  def public_key
-    @private_key.public_key
-  end
-
-  # Sign the given data
-  #
-  # @param [String] data The data to sign
-  # @return [String] The signature
-  def sign(data)
-    private_key.sign(OpenSSL::Digest.new("SHA256"), data)
-  end
-
-  # Sign the given data and return a Base64-encoded signature
-  #
-  # @param [String] data The data to sign
-  # @return [String] The Base64-encoded signature
-  def sign64(data)
-    Base64.strict_encode64(sign(data))
-  end
-
-  # Return a JWK for the private key
-  #
-  # @return [JWT::JWK] The JWK
-  def jwk
-    @jwk ||= JWT::JWK.new(private_key, { use: "sig", alg: "RS256" })
-  end
-
-  # Sign the given data using SHA1 (for legacy use)
-  #
-  # @param [String] data The data to sign
-  # @return [String] The signature
-  def sha1_sign(data)
-    private_key.sign(OpenSSL::Digest.new("SHA1"), data)
-  end
-
-  # Sign the given data using SHA1 (for legacy use) and return a Base64-encoded string
-  #
-  # @param [String] data The data to sign
-  # @return [String] The signature
-  def sha1_sign64(data)
-    Base64.strict_encode64(sha1_sign(data))
-  end
-
-end