/*

* (C) 2019 Jack Lloyd

*

* Botan is released under the Simplified BSD License (see license.txt)

*/

#include "fuzzers.h"

#include <botan/x509_dn.h>

#include <botan/ber_dec.h>

#include <botan/hex.h>

void fuzz(const uint8_t in[], size_t len)

   {

   const size_t half = len / 2;

   Botan::X509_DN dn1;

   Botan::X509_DN dn2;

   try

      {

      Botan::BER_Decoder ber1(in, half);

      dn1.decode_from(ber1);

      ber1.verify_end();

      Botan::BER_Decoder ber2(in + half, half);

      dn2.decode_from(ber2);

      ber2.verify_end();

      }

   catch(...) { return; }

   const bool eq = dn1 == dn2;

   const bool lt1 = dn1 < dn2;

   const bool lt2 = dn2 < dn1;

   if(lt1 == false && lt2 == false)

      {

      FUZZER_ASSERT_TRUE(eq);

      }

   else

      {

      // one is less than the other

      FUZZER_ASSERT_TRUE(lt1 || lt2);

      // it is not the case that both are less than the other

      FUZZER_ASSERT_TRUE(!lt1 || !lt2);

      }

   }