text: /**
   * \file
   * \brief Helpers to support the CryptoAuthLib Basic API methods
   *
   * \copyright (c) 2015-2020 Microchip Technology Inc. and its subsidiaries.
   *
   * \page License
   *
   * Subject to your compliance with these terms, you may use Microchip software
   * and any derivatives exclusively with Microchip products. It is your
   * responsibility to comply with third party license terms applicable to your
   * use of third party software (including open source software) that may
   * accompany Microchip software.
   *
   * THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER
   * EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED
   * WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A
   * PARTICULAR PURPOSE. IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT,
   * SPECIAL, PUNITIVE, INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE
   * OF ANY KIND WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF
   * MICROCHIP HAS BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE
   * FORESEEABLE. TO THE FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL
   * LIABILITY ON ALL CLAIMS IN ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED
   * THE AMOUNT OF FEES, IF ANY, THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR
   * THIS SOFTWARE.
   */
  
  #ifndef ATCA_HELPERS_H_
  #define ATCA_HELPERS_H_
  
  #include "cryptoauthlib.h"
  
  /** \ingroup atcab_
   * @{
   */
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  ATCA_STATUS atcab_printbin(uint8_t* binary, size_t bin_len, bool add_space);
  ATCA_STATUS atcab_bin2hex(const uint8_t* bin, size_t bin_size, char* hex, size_t* hex_size);
  ATCA_STATUS atcab_bin2hex_(const uint8_t* bin, size_t bin_size, char* hex, size_t* hex_size, bool is_pretty, bool is_space, bool is_upper);
  ATCA_STATUS atcab_hex2bin(const char* ascii_hex, size_t ascii_hex_len, uint8_t* binary, size_t* bin_len);
  ATCA_STATUS atcab_hex2bin_(const char* hex, size_t hex_size, uint8_t* bin, size_t* bin_size, bool is_space);
  ATCA_STATUS atcab_printbin_sp(uint8_t* binary, size_t bin_len);
  ATCA_STATUS atcab_printbin_label(const char* label, uint8_t* binary, size_t bin_len);
  
  
  ATCA_STATUS packHex(const char* ascii_hex, size_t ascii_hex_len, char* packed_hex, size_t* packed_len);
  bool isDigit(char c);
  bool isBlankSpace(char c);
  bool isAlpha(char c);
  bool isHexAlpha(char c);
  bool isHex(char c);
  bool isHexDigit(char c);
  
  bool isBase64(char c, const uint8_t * rules);
  bool isBase64Digit(char c, const uint8_t * rules);
  uint8_t base64Index(char c, const uint8_t * rules);
  char base64Char(uint8_t id, const uint8_t * rules);
  
  ATCA_DLL uint8_t atcab_b64rules_default[4];
  ATCA_DLL uint8_t atcab_b64rules_mime[4];
  ATCA_DLL uint8_t atcab_b64rules_urlsafe[4];
  
  ATCA_STATUS atcab_base64decode_(const char* encoded, size_t encoded_size, uint8_t* data, size_t* data_size, const uint8_t * rules);
  ATCA_STATUS atcab_base64decode(const char* encoded, size_t encoded_size, uint8_t* data, size_t* data_size);
  
  ATCA_STATUS atcab_base64encode_(const uint8_t* data, size_t data_size, char* encoded, size_t* encoded_size, const uint8_t * rules);
  ATCA_STATUS atcab_base64encode(const uint8_t* data, size_t data_size, char* encoded, size_t* encoded_size);
  
  
  ATCA_STATUS atcab_reversal(const uint8_t* bin, size_t bin_size, uint8_t* dest, size_t* dest_size);
  
  int atcab_memset_s(void* dest, size_t destsz, int ch, size_t count);
  
  #ifdef __cplusplus
  }
  #endif
  
  /** @} */
  #endif /* ATCA_HELPERS_H_ */
  