* ext/digest/lib/digest/hmac.rb (Digest::HMAC#initialize): faster

  code.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24537 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Fri Aug 14 16:28:19 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/digest/lib/digest/hmac.rb (Digest::HMAC#initialize): faster
+	  code.
+
 Fri Aug 14 14:31:33 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* configure.in (rubyhdrdir): fixed typo.  [ruby-dev:39079]

ext/digest/lib/digest/hmac.rb

@@ -49,17 +49,17 @@ def initialize(key, digester)
         key = @md.digest(key)
       end
 
-      ipad = Array.new(block_len).fill(0x36)
-      opad = Array.new(block_len).fill(0x5c)
+      ipad = Array.new(block_len, 0x36)
+      opad = Array.new(block_len, 0x5c)
 
       key.bytes.each_with_index { |c, i|
         ipad[i] ^= c
         opad[i] ^= c
       }
 
       @key = key.freeze
-      @ipad = ipad.inject('') { |s, c| s << c.chr }.freeze
-      @opad = opad.inject('') { |s, c| s << c.chr }.freeze
+      @ipad = ipad.pack('C*').freeze
+      @opad = opad.pack('C*').freeze
       @md.update(@ipad)
     end
 
@@ -102,7 +102,7 @@ def inspect
 end
 
 if $0 == __FILE__
-  eval DATA.read, nil, $0, __LINE__+4
+  eval DATA.gets(nil), nil, $0, DATA.lineno
 end
 
 __END__