Function md5

dlib/md5/md5_kernel_1.cpp:249–270

    const std::string md5 (
        const std::string& input
    )
    {
        unsigned char output[16];
        md5 ( 
            reinterpret_cast<const unsigned char*>(input.data()),
            static_cast<unsigned long>(input.size()),
            output
            );

        
        std::stringstream temp;
        for (int i = 0; i < 16; ++i)
        {
            temp.fill('0');
            temp.width(2);
            temp << std::hex << static_cast<unsigned int>(output[i]);
        }
        
        return temp.str();
    }

// ----------------------------------------------------------------------------------------