ext/openssl: drop support for OpenSSL 0.9.6/0.9.7

The last release of OpenSSL 0.9.7 series was over 9 years ago (!) and
even 0.9.8/1.0.0 are no longer supported (EOL was 2015-12-31).

It actually doesn't compile since r40461 (ext/openssl/ossl_bn.c
(ossl_bn_initialize): allow Fixnum and Bignum. [ruby-core:53986]
[Feature #8217], 2013-04-25, 2.1.0) and it looks like nobody noticed it.

2 files changed, 30 insertions, 38 deletions

diff --git a/test/openssl/test_cipher.rb b/test/openssl/test_cipher.rb
index dae069e43c..f6cbb04cd2 100644
--- a/test/openssl/test_cipher.rb
+++ b/test/openssl/test_cipher.rb
@@ -101,40 +101,38 @@ class OpenSSL::TestCipher < Test::Unit::TestCase
     end
   end if has_cipher?('aes-128-ctr')
 
-  if OpenSSL::OPENSSL_VERSION_NUMBER > 0x00907000
-    def test_ciphers
-      OpenSSL::Cipher.ciphers.each{|name|
-        next if /netbsd/ =~ RUBY_PLATFORM && /idea|rc5/i =~ name
-        begin
-          assert_kind_of(OpenSSL::Cipher::Cipher, OpenSSL::Cipher::Cipher.new(name))
-        rescue OpenSSL::Cipher::CipherError => e
-          next if /wrap/ =~ name and e.message == 'wrap mode not allowed'
-          raise
-        end
-      }
-    end
+  def test_ciphers
+    OpenSSL::Cipher.ciphers.each{|name|
+      next if /netbsd/ =~ RUBY_PLATFORM && /idea|rc5/i =~ name
+      begin
+        assert_kind_of(OpenSSL::Cipher::Cipher, OpenSSL::Cipher::Cipher.new(name))
+      rescue OpenSSL::Cipher::CipherError => e
+        next if /wrap/ =~ name and e.message == 'wrap mode not allowed'
+        raise
+      end
+    }
+  end
 
-    def test_AES
-      pt = File.read(__FILE__)
-      %w(ECB CBC CFB OFB).each{|mode|
-        c1 = OpenSSL::Cipher::AES256.new(mode)
-        c1.encrypt
-        c1.pkcs5_keyivgen("passwd")
-        ct = c1.update(pt) + c1.final
-
-        c2 = OpenSSL::Cipher::AES256.new(mode)
-        c2.decrypt
-        c2.pkcs5_keyivgen("passwd")
-        assert_equal(pt, c2.update(ct) + c2.final)
-      }
-    end
+  def test_AES
+    pt = File.read(__FILE__)
+    %w(ECB CBC CFB OFB).each{|mode|
+      c1 = OpenSSL::Cipher::AES256.new(mode)
+      c1.encrypt
+      c1.pkcs5_keyivgen("passwd")
+      ct = c1.update(pt) + c1.final
+
+      c2 = OpenSSL::Cipher::AES256.new(mode)
+      c2.decrypt
+      c2.pkcs5_keyivgen("passwd")
+      assert_equal(pt, c2.update(ct) + c2.final)
+    }
+  end
 
-    def test_AES_crush
-      500.times do
-        assert_nothing_raised("[Bug #2768]") do
-          # it caused OpenSSL SEGV by uninitialized key
-          OpenSSL::Cipher::AES128.new("ECB").update "." * 17
-        end
+  def test_AES_crush
+    500.times do
+      assert_nothing_raised("[Bug #2768]") do
+        # it caused OpenSSL SEGV by uninitialized key
+        OpenSSL::Cipher::AES128.new("ECB").update "." * 17
       end
     end
   end
diff --git a/test/openssl/test_pkcs7.rb b/test/openssl/test_pkcs7.rb
index ce99db50b1..9388cc4563 100644
--- a/test/openssl/test_pkcs7.rb
+++ b/test/openssl/test_pkcs7.rb
@@ -123,12 +123,6 @@ class OpenSSL::TestPKCS7 < Test::Unit::TestCase
   end
 
   def test_enveloped
-    if OpenSSL::OPENSSL_VERSION_NUMBER <= 0x0090704f
-      # PKCS7_encrypt() of OpenSSL-0.9.7d goes to SEGV.
-      # http://www.mail-archive.com/openssl-dev@openssl.org/msg17376.html
-      return
-    end
-
     certs = [@ee1_cert, @ee2_cert]
     cipher = OpenSSL::Cipher::AES.new("128-CBC")
     data = "aaaaa\nbbbbb\nccccc\n"