From: Kazuhiro Yoshida <moriq@...>
Date: 2007-03-06T17:37:28+09:00
Subject: [ruby-dev:30500] MD5.md5 in RubyGems

moriqです。

次のように RubyGems で require 'md5' を使っているので
ruby-1.8.6 に上げるとうまくいかなくなりそうです。

rubygems-0.9.2/lib/rubygems/validator.rb:

    ##
    # Given a gem file's contents, validates against its own MD5 checksum
    # gem_data:: [String] Contents of the gem file
    def verify_gem(gem_data)
      if(gem_data.size == 0) then
        raise VerificationError.new("Empty Gem file")
      end
      require 'md5'
     unless(gem_data =~ /MD5SUM/m)
       return # Don't worry about it...this sucks.  Need to fix MD5
stuff for
                # new format
                # FIXME
      end
      unless (MD5.md5(gem_data.gsub(/MD5SUM = "([a-z0-9]+)"/, "MD5SUM =
\"" + ("F" * 32) + "\"")) == $1.to_s)
        raise VerificationError.new("Invalid checksum for Gem file")
      end
    end

次の対応を提案します。

--- ext/digest/lib/md5.rb	Tue Feb 13 08:01:19 2007
+++ ext/digest/lib/md5.rb.new	Tue Mar  6 17:21:53 2007
@@ -9,6 +9,6 @@

 class MD5
   def self.md5(*args)
-    new(*args)
+    new.update(*args)
   end
 end