IceKey::encrypt

/* IceKey::encrypt(unsigned char const*, unsigned char*) const */

void __thiscall IceKey::encrypt(IceKey *this,uchar *param_1,uchar *param_2)

{
  IceSubkey *pIVar1;
  uint uVar2;
  int iVar3;
  IceSubkey *pIVar4;
  uint uVar5;
  uint uVar6;
  IceSubkey *pIVar7;
  
  uVar5 = (uint)*param_1 << 0x18 | (uint)param_1[1] << 0x10 | (uint)param_1[3] |
          (uint)param_1[2] << 8;
  uVar6 = (uint)param_1[4] << 0x18 | (uint)param_1[5] << 0x10 | (uint)param_1[7] |
          (uint)param_1[6] << 8;
  iVar3 = *(int *)(this + 4);
  if (0 < iVar3) {
    pIVar1 = *(IceSubkey **)(this + 8) + 0x18;
    pIVar4 = *(IceSubkey **)(this + 8);
    pIVar7 = pIVar1;
    while( true ) {
      uVar2 = ice_f(uVar6,pIVar4);
      uVar5 = uVar5 ^ uVar2;
      uVar2 = ice_f(uVar5,pIVar4 + 0xc);
      uVar6 = uVar6 ^ uVar2;
      if (pIVar7 == pIVar1 + (iVar3 - 1U >> 1) * 0x18) break;
      pIVar4 = pIVar7;
      pIVar7 = pIVar7 + 0x18;
    }
  }
  iVar3 = 4;
  do {
    param_2[iVar3 + -1] = (uchar)uVar6;
    uVar6 = uVar6 >> 8;
    param_2[iVar3 + 3] = (uchar)uVar5;
    uVar5 = uVar5 >> 8;
    iVar3 = iVar3 + -1;
  } while (iVar3 != 0);
  return;
}