Merge branch 'master+websocket'

[user/henk/code/inspircd.git] / src / inspstring.cpp

diff --git a/src/inspstring.cpp b/src/inspstring.cpp
index 7fa4762c5b1b873bfe734f4eec2d66dc060716a9..b5949273806b61a537dfb94227f25a8404f077d3 100644 (file)
--- a/src/inspstring.cpp
+++ b/src/inspstring.cpp
@@ -108,3 +108,19 @@ std::string Base64ToBin(const std::string& data_str, const char* table)
        }
        return rv;
 }
+
+bool InspIRCd::TimingSafeCompare(const std::string& one, const std::string& two)
+{
+       if (one.length() != two.length())
+               return false;
+
+       unsigned int diff = 0;
+       for (std::string::const_iterator i = one.begin(), j = two.begin(); i != one.end(); ++i, ++j)
+       {
+               unsigned char a = static_cast<unsigned char>(*i);
+               unsigned char b = static_cast<unsigned char>(*j);
+               diff |= a ^ b;
+       }
+
+       return (diff == 0);
+}