static const char hextable[] = "0123456789abcdef";
-std::string BinToHex(const std::string& data)
+std::string BinToHex(const void* raw, size_t l)
{
- int l = data.length();
+ const char* data = static_cast<const char*>(raw);
std::string rv;
rv.reserve(l * 2);
- for(int i=0; i < l; i++)
+ for (size_t i = 0; i < l; i++)
{
unsigned char c = data[i];
- rv.append(1, hextable[c >> 4]);
- rv.append(1, hextable[c & 0xF]);
+ rv.push_back(hextable[c >> 4]);
+ rv.push_back(hextable[c & 0xF]);
}
return rv;
}
}
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);
+}