lib/lanmao/sign/rsa.rb in lanmao-0.8.0 vs lib/lanmao/sign/rsa.rb in lanmao-0.9.1

@@ -1,14 +1,26 @@
 # coding: utf-8
 module Lanmao
   module Sign
     module RSA
 
+      #签名
       def self.sign(content, private_key)
-        sign = private_key.sign('sha1', content.force_encoding("utf-8"))
+        sign = private_key.sign("sha1", content.force_encoding("utf-8"))
         signature = Base64.encode64(sign)
         signature = signature.delete("\n").delete("\r")
       end
+
+      ## 验签
+      def self.verify(data, sign, config)  ##如何从data里分离出原始数据和签名数据
+        if sign
+          sign = Base64.decode64(sign)
+          digester = OpenSSL::Digest::SHA1.new
+          config[:public_key].verify(digester, sign, data)
+        else
+          true
+        end
+      end # verify
 
     end
   end
 end