1 files changed, 3 insertions, 0 deletions

diff --git a/include/opkele/util.h b/include/opkele/util.h
index 2a7a859..edc1859 100644
--- a/include/opkele/util.h
+++ b/include/opkele/util.h
@@ -1,77 +1,80 @@
 #ifndef __OPKELE_UTIL_H
 #define __OPKELE_UTIL_H
 
 #include <time.h>
 #include <string>
 #include <vector>
 #include <openssl/bn.h>
 #include <openssl/dh.h>
 
 namespace opkele {
     using std::string;
     using std::vector;
 
+    /**
+     * @brief opkele utils namespace
+     */
     namespace util {
 
         /**
          * Convenience class encapsulating SSL BIGNUM object for the purpose of
          * automatical freeing.
          */
         class bignum_t {
             public:
                 BIGNUM *_bn;
 
                 bignum_t() : _bn(0) { }
                 bignum_t(BIGNUM *bn) : _bn(bn) { }
                 ~bignum_t() throw() { if(_bn) BN_free(_bn); }
                 
                 bignum_t& operator=(BIGNUM *bn) { if(_bn) BN_free(_bn); _bn = bn; return *this; }
 
                 operator const BIGNUM*(void) const { return _bn; }
                 operator BIGNUM*(void) { return _bn; }
         };
         /**
          * Convenience clas encapsulating SSL DH object for the purpose of
          * automatic freeing.
          */
         class dh_t {
             public:
                 DH *_dh;
                 
                 dh_t() : _dh(0) { }
                 dh_t(DH *dh) : _dh(dh) { }
                 ~dh_t() throw() { if(_dh) DH_free(_dh); }
 
                 dh_t& operator=(DH *dh) { if(_dh) DH_free(_dh); _dh = dh; return *this; }
 
                 operator const DH*(void) const { return _dh; }
                 operator DH*(void) { return _dh; }
 
                 DH* operator->() { return _dh; }
                 const DH* operator->() const { return _dh; }
         };
 
         /**
          * Convert base64-encoded SSL BIGNUM to internal representation.
          * @param b64 base64-encoded number
          * @return SSL BIGNUM
          * @throw failed_conversion in case of error
          */
         BIGNUM *base64_to_bignum(const string& b64);
         /**
          * Convert decimal representation to SSL BIGNUM.
          * @param dec decimal representation
          * @return resulting BIGNUM
          * @throw failed_conversion in case of error
          */
         BIGNUM *dec_to_bignum(const string& dec);
         /**
          * Convert SSL BIGNUM data to base64 encoded string.
          * @param bn BIGNUM
          * @return base64encoded string
          */
         string bignum_to_base64(const BIGNUM *bn);
 
         /**
          * Convert internal time representation to w3c format
          * @param t internal representation