make compatible with ruby 2.2.x

Gemfile

@@ -1,5 +1,6 @@
 source "http://rubygems.org"
 
 group :development do
-  gem "jeweler", "~> 1.6.4"
+  gem "jeweler" 
+  gem "test-unit"
 end

Rakefile

@@ -22,6 +22,7 @@ Jeweler::Tasks.new do |gem|
   gem.description = %Q{Adds PKCS8 key format support to OpenSSL::PKey::RSA}
   gem.email = "[email protected]"
   gem.authors = [ "Scott Tadman" ]
+  gem.required_ruby_version = '~> 2.0'
   # dependencies defined in Gemfile
 end
 

VERSION

@@ -1 +1 @@
-0.1.2
+0.2.0

ext/openssl_pkcs8/openssl_pkcs8.c

@@ -22,8 +22,10 @@ VALUE ePKeyError;
 VALUE eOSSLError;
 VALUE cCipher;
 
+extern const rb_data_type_t ossl_evp_pkey_type;
+
 #define GetPKey(obj, pkey) do {\
-    Data_Get_Struct(obj, EVP_PKEY, pkey);\
+    TypedData_Get_Struct((obj), EVP_PKEY, &ossl_evp_pkey_type, (pkey)); \
     if (!pkey) { \
     	rb_raise(rb_eRuntimeError, "PKEY wasn't initialized!");\
     } \
@@ -186,6 +188,6 @@ void Init_openssl_pkcs8()
   eOSSLError = rb_const_get(mOSSL,rb_intern("OpenSSLError"));
   ePKeyError = rb_const_get(mPKey, rb_intern("PKeyError"));
   eRSAError = rb_const_get(mPKey, rb_intern("RSAError"));
-  
+
   rb_define_method(cRSA, "to_pem_pkcs8", openssl_rsa_to_pem_pkcs8, -1);
 }

openssl_pkcs8.gemspec

@@ -2,14 +2,17 @@
 # DO NOT EDIT THIS FILE DIRECTLY
 # Instead, edit Jeweler::Tasks in Rakefile, and run 'rake gemspec'
 # -*- encoding: utf-8 -*-
+# stub: openssl_pkcs8 0.2.0 ruby lib
+# stub: ext/openssl_pkcs8/extconf.rb
 
 Gem::Specification.new do |s|
   s.name = "openssl_pkcs8"
-  s.version = "0.1.2"
+  s.version = "0.2.0"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
+  s.require_paths = ["lib"]
   s.authors = ["Scott Tadman"]
-  s.date = "2012-01-20"
+  s.date = "2015-05-20"
   s.description = "Adds PKCS8 key format support to OpenSSL::PKey::RSA"
   s.email = "[email protected]"
   s.extensions = ["ext/openssl_pkcs8/extconf.rb"]
@@ -33,20 +36,23 @@ Gem::Specification.new do |s|
   ]
   s.homepage = "http://github.com/twg/openssl_pkcs8"
   s.licenses = ["MIT"]
-  s.require_paths = ["lib"]
-  s.rubygems_version = "1.8.11"
+  s.required_ruby_version = Gem::Requirement.new("~> 2.0")
+  s.rubygems_version = "2.4.7"
   s.summary = "OpenSSL RSA PKCS8 Extension"
 
   if s.respond_to? :specification_version then
-    s.specification_version = 3
+    s.specification_version = 4
 
     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
-      s.add_development_dependency(%q<jeweler>, ["~> 1.6.4"])
+      s.add_development_dependency(%q<jeweler>, [">= 0"])
+      s.add_development_dependency(%q<test-unit>, [">= 0"])
     else
-      s.add_dependency(%q<jeweler>, ["~> 1.6.4"])
+      s.add_dependency(%q<jeweler>, [">= 0"])
+      s.add_dependency(%q<test-unit>, [">= 0"])
     end
   else
-    s.add_dependency(%q<jeweler>, ["~> 1.6.4"])
+    s.add_dependency(%q<jeweler>, [">= 0"])
+    s.add_dependency(%q<test-unit>, [">= 0"])
   end
 end