text: /*******************************************************************************
  *   Ledger Blue - Bitcoin Wallet
  *   (c) 2016 Ledger
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  ********************************************************************************/
  
  #include "btchip_internal.h"
  
  void sbSet(secu8 *target, unsigned char source) {
      *target = (((unsigned char)~source) << 8) + source;
  }
  
  void sbCheck(secu8 source) {
      if (((source >> 8) & 0xff) != (unsigned char)(~(source & 0xff))) {
          reset();
      }
  }
  
  void ssSet(secu16 *target, unsigned short source) {
      *target = (((unsigned long int)((unsigned short)~source)) << 16) + source;
  }
  
  void ssCheck(secu16 source) {
      if (((source >> 16) & 0xffff) != (unsigned short)(~(source & 0xffff))) {
          reset();
      }
  }
  