Add virtual attribute RSAPublicKey#private_key_pem

app/interactors/create_rsa_keys.rb

@@ -9,11 +9,10 @@ class CreateRSAKeys
   before :set_ciphertext
 
   def call
-    context.private_key_pem = @pkey.to_pem.freeze
-
     context.public_key = RSAPublicKey.create!(
       bits: BITS,
       public_key_pem: @pkey.public_key.to_pem.freeze,
+      private_key_pem: @pkey.to_pem.freeze,
       private_key_pem_iv: @iv,
       private_key_pem_secret: @key,
       private_key_pem_ciphertext: @ciphertext,

app/interactors/create_x509_certificate_request.rb

@@ -14,7 +14,8 @@ class CreateX509CertificateRequest
 private
 
   def private_key_pkey
-    @private_key_pkey ||= OpenSSL::PKey::RSA.new context.private_key_pem
+    @private_key_pkey ||=
+      OpenSSL::PKey::RSA.new context.public_key.private_key_pem
   end
 
   def public_key_pkey

app/interactors/create_x509_self_signed_certificate.rb

@@ -22,7 +22,8 @@ class CreateX509SelfSignedCertificate
 private
 
   def private_key_pkey
-    @private_key_pkey ||= OpenSSL::PKey::RSA.new context.private_key_pem
+    @private_key_pkey ||=
+      OpenSSL::PKey::RSA.new context.public_key.private_key_pem
   end
 
   def public_key_pkey

app/interactors/decrypt_rsa_private_key.rb

@@ -6,7 +6,7 @@ class DecryptRSAPrivateKey
   before :set_cipher
 
   def call
-    context.private_key_pem_cleartext = [
+    context.public_key.private_key_pem = [
       @cipher.update(context.public_key.private_key_pem_ciphertext),
       @cipher.final,
     ].join.freeze

app/models/rsa_public_key.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 class RSAPublicKey < ApplicationRecord
-  attr_accessor :private_key_pem_secret
+  attr_accessor :private_key_pem, :private_key_pem_secret
 
   ###############
   # Validations #

spec/interactors/create_rsa_keys_and_x509_self_signed_certificate_spec.rb

@@ -23,10 +23,6 @@ RSpec.describe CreateRSAKeysAndX509SelfSignedCertificate do
     expect { subject }.to change(X509Certificate, :count).by(1)
   end
 
-  specify do
-    expect(subject.private_key_pem).to be_instance_of String
-  end
-
   specify do
     expect(subject.public_key).to be_instance_of RSAPublicKey
   end
@@ -36,7 +32,7 @@ RSpec.describe CreateRSAKeysAndX509SelfSignedCertificate do
   end
 
   specify do
-    expect(subject.private_key_pem).not_to be_blank
+    expect(subject.public_key.private_key_pem).not_to be_blank
   end
 
   specify do

spec/interactors/create_rsa_keys_spec.rb

@@ -9,20 +9,12 @@ RSpec.describe CreateRSAKeys do
     expect { subject }.to change(RSAPublicKey, :count).by(1)
   end
 
-  specify do
-    expect(subject.private_key_pem).to be_instance_of String
-  end
-
   specify do
     expect(subject.public_key).to be_instance_of RSAPublicKey
   end
 
   specify do
-    expect(subject.private_key_pem).to be_frozen
+    expect(subject.public_key.private_key_pem).not_to be_blank
-  end
-
-  specify do
-    expect(subject.private_key_pem).not_to be_blank
   end
 
   specify do
@@ -30,7 +22,9 @@ RSpec.describe CreateRSAKeys do
   end
 
   specify do
-    expect { OpenSSL::PKey::RSA.new subject.private_key_pem }.not_to raise_error
+    expect do
+      OpenSSL::PKey::RSA.new subject.public_key.private_key_pem
+    end.not_to raise_error
   end
 
   specify do
@@ -39,8 +33,9 @@ RSpec.describe CreateRSAKeys do
   end
 
   specify do
-    expect(subject.public_key.public_key_pem).to \
+    expect(subject.public_key.public_key_pem).to eq(
-      eq OpenSSL::PKey::RSA.new(subject.private_key_pem).public_key.to_pem
+      OpenSSL::PKey::RSA.new(subject.public_key.private_key_pem).public_key.to_pem,
+    )
   end
 
   specify do
@@ -62,6 +57,6 @@ RSpec.describe CreateRSAKeys do
       cipher.final,
     ].join.freeze
 
-    expect(cleartext).to eq subject.private_key_pem
+    expect(cleartext).to eq subject.public_key.private_key_pem
   end
 end

spec/interactors/create_x509_certificate_request_spec.rb

@@ -5,14 +5,12 @@ require 'rails_helper'
 RSpec.describe CreateX509CertificateRequest do
   subject do
     described_class.call(
-      private_key_pem: private_key_pem,
       public_key: public_key,
       distinguished_name: distinguished_name,
     )
   end
 
   let(:rsa_keys) { CreateRSAKeys.call }
-  let(:private_key_pem) { rsa_keys.private_key_pem }
   let(:public_key) { rsa_keys.public_key }
   let(:distinguished_name) { "CN=#{Faker::Internet.domain_name}" }