-rw-r--r-- 1810 cryptattacktester-20230614/aes128_enum_params.cpp raw
#include "selection.h"
#include "aes128_enum_params.h"

using namespace std;

bool aes128_enum_params_valid(const vector<bigint> &params,const vector<bigint> &attackparams)
{
  bigint K = params.at(0);
  bigint C = params.at(1);
  bigint pos = 0;
  bigint ITERS = attackparams.at(pos++);
  bigint QX = attackparams.at(pos++);
  bigint QUEUE_SIZE = attackparams.at(pos++);
  bigint QF = attackparams.at(pos++); auto PERIOD = QF*QUEUE_SIZE;

  if (ITERS < 0) return 0;
  bigint searchspace = bigint(1)<<K;
  if (ITERS >= searchspace) return 0;
  if (QX < 0) return 0;
  if (QX > 1) return 0;
  if (QUEUE_SIZE < 1) return 0;
  if (PERIOD < 1) return 0;

  return 1;
}

void aes128_enum_params(const vector<bigint> &params,map<string,string> &S,int (*callback)(const vector<bigint> &))
{
  bigint K = params.at(0);
  bigint Imin = 0;
  bigint Imax = (bigint(1)<<K)-1;
  selection_constrain(S,"I",Imin,Imax);
  if (Imin < 0) return;
  for (bigint I = Imin;I <= Imax;I = I ? I*2 : bigint(1)) {
    bigint QXmin = 0;
    bigint QXmax = 1;
    selection_constrain(S,"QX",QXmin,QXmax);
    for (bigint QX = 0;QX <= 1;++QX) {
      if (QX < QXmin) continue;
      if (QX > QXmax) continue;
      bigint QFmin = 1;
      bigint QFmax = 1024;
      selection_constrain(S,"QF",QFmin,QFmax);
      if (QFmin < 1) continue;
      for (bigint QF = QFmin;QF <= QFmax;QF *= 2) {
        if (QF < 1) break;
        bigint QUEUE_SIZEmin = 1;
        bigint QUEUE_SIZEmax = 8;
        selection_constrain(S,"QU",QUEUE_SIZEmin,QUEUE_SIZEmax);
        if (QUEUE_SIZEmin < 1) continue;
        for (bigint QUEUE_SIZE = QUEUE_SIZEmin;QUEUE_SIZE <= QUEUE_SIZEmax;QUEUE_SIZE *= 2) {
          if (QUEUE_SIZE < 1) break;
          vector<bigint> Q{I,QX,QUEUE_SIZE,QF};
          if (callback(Q) < 0) return;
        }
      }
    }
  }
}