text: /**************************************************************************/
  /*                                                                        */
  /*       Copyright (c) Microsoft Corporation. All rights reserved.        */
  /*                                                                        */
  /*       This software is licensed under the Microsoft Software License   */
  /*       Terms for Microsoft Azure RTOS. Full text of the license can be  */
  /*       found in the LICENSE file at https://aka.ms/AzureRTOS_EULA       */
  /*       and in the root directory of this software.                      */
  /*                                                                        */
  /**************************************************************************/
  
  
  /**************************************************************************/
  /**************************************************************************/
  /**                                                                       */
  /** NetX Crypto Component                                                 */
  /**                                                                       */
  /**   Crypto Self Test                                                    */
  /**                                                                       */
  /**************************************************************************/
  /**************************************************************************/
  
  #define NX_CRYPTO_SOURCE_CODE
  
  
  /* Include necessary system files.  */
  #include "nx_crypto_method_self_test.h"
  
  #ifdef NX_CRYPTO_SELF_TEST
  
  static UCHAR secret_sha1[] = { 0x86, 0xec, 0x88, 0xbb };
  static UCHAR label_sha1[] = { 0xc8, 0x37, 0xaf, 0x7d };
  static UCHAR seed_sha1[] = { 0x36, 0x54, 0xf1, 0x6f };
  static UCHAR result_sha1[] = {
  0xab, 0xe3, 0x77, 0xa6, 0x58, 0x4c, 0x97, 0x03, 0x98, 0xe9, 0xe4, 0x62, 0xe6, 0x44, 0xe4, 0x2d, 
  0x21, 0x16, 0xdb, 0x4f, 0x0e, 0x70, 0xc9, 0x83, 0xe5, 0x31, 0x61, 0x95, 0x17, 0xcd, 0xc2, 0xd0, 
  0x7e, 0x9a, 0xdf, 0xf6, 0xe2, 0x44, 0x01, 0x05, 0xa9, 0xb0, 0x7a, 0xbe, 0xc3, 0x9a, 0x47, 0x9b, 
  0xd7, 0xd9, 0x2c, 0xba, 0xb7, 0x8e, 0x90, 0x1d, 0x4f, 0x21, 0xae, 0x4e, 0x0f, 0x60, 0xcf, 0x3b, 
  0xdf, 0xe5, 0x77, 0x79, 0xff, 0x23, 0x23, 0x2d, 0x62, 0x48, 0xc6, 0x72, 0xb3, 0xf9, 0xce, 0x4f, 
  0x46, 0x66, 0x2f, 0xc5, 0x0e, 0xbc, 0x2a, 0x34, 0xd0, 0xc5, 0x37, 0xa2, 0x2f, 0x69, 0x43, 0x74, 
  0x6d, 0x11, 0x3c, 0x1c, 0x75, 0xa5, 0x12, 0x61, 0x1a, 0xc7, 0x8f, 0x41, 0xab, 0xa8, 0x45, 0xd5, 
  0xf3, 0xb3, 0xb4, 0xbd, 0xe3, 0x7c, 0x8b, 0xbb, 0x0f, 0x0d, 0xcb, 0x57, 0xc8, 0x6c, 0x13, 0x32, 
  0x8b, 0xe1, 0xd0, 0x2e, 0x2c, 0x2d, 0xb2, 0xd5, 0x67, 0x1c, 0xb0, 0x61, 0x3d, 0x77, 0x96, 0x68, 
  0x1b, 0x47, 0xdf, 0x3a, 0x50, 0x62, 0x31, 0x4b, 0x30, 0x09, 0xe9, 0x3b, 0xdd, 0xfb, 0x34, 0x1d,
  };
  
  static UCHAR secret_sha256[] = { 
  0x6e, 0x97, 0x83, 0xfe, 0x56, 0x7e, 0xda, 0x66, 0xfc, 0x0e, 0xf5, 0x17, 0xd9, 0x52, 0xc4, 0x7c, 
  0x2f, 0x17, 0x06, 0x3c, 0xc5, 0x44, 0xd2, 0x6f, 0x98, 0x49, 0x2c, 0x50, 0x21, 0xe1, 0x27, 0x74, 
  0xa5, 0x98, 0x60, 0x87, 0x3e, 0x7a, 0x31, 0xaa, 0x2d, 0xc6, 0x90, 0x9e, 0x93, 0xb1, 0xb5, 0x72 
  };
  static UCHAR label_sha256[] = { 
  0x6d, 0x61, 0x73, 0x74, 0x65, 0x72, 0x20, 0x73, 0x65, 0x63, 0x72, 0x65, 0x74 
  };
  static UCHAR seed_sha256[] = { 
  0x66, 0xc1, 0x7c, 0xf0, 0x53, 0x40, 0x84, 0x42, 0x7c, 0xaa, 0x2b, 0xf7, 0xbd, 0x58, 0x53, 0x9d, 
  0xb9, 0x3a, 0xc0, 0xeb, 0xcc, 0x05, 0xd7, 0x3c, 0x46, 0x43, 0x63, 0x6b, 0x09, 0x3a, 0x70, 0xe8, 
  0xa4, 0xe5, 0x80, 0x45, 0x5b, 0x08, 0xda, 0x0f, 0x33, 0x0f, 0x98, 0x82, 0xaf, 0xcd, 0x7f, 0xe7, 
  0x9c, 0x64, 0x9c, 0x35, 0x86, 0x24, 0x43, 0xb9, 0xb7, 0x99, 0x1b, 0xa0, 0xd1, 0xb1, 0x28, 0x9c 
  };
  static UCHAR result_sha256[] = {
  0x8f, 0x80, 0x2d, 0x64, 0x6f, 0x18, 0x04, 0xdd, 0xda, 0x9d, 0xc9, 0x57, 0x79, 0x85, 0x4f, 0x86, 
  0xc2, 0x9e, 0x2b, 0x9c, 0x17, 0xc3, 0x91, 0x68, 0xac, 0xea, 0x05, 0xc5, 0x3b, 0x4a, 0x67, 0xd0, 
  0x4d, 0x78, 0x49, 0x87, 0xdf, 0x04, 0xd2, 0x5c, 0xd3, 0xe8, 0xb4, 0x6d, 0x11, 0x70, 0x3a, 0xe5,
  };
  
  static UCHAR secret_sha384[] = { 
  0x06, 0x40, 0xec, 0xd9, 0x8b, 0xee, 0xba, 0x99, 0x79, 0xae, 0x75, 0x1d, 0xfa, 0x51, 0x0f, 0xc2, 
  0xc7, 0x4a, 0x83, 0x54, 0xec, 0x9a, 0x12, 0x1e, 0x99, 0xe1, 0xde, 0xcb, 0xcb, 0xe2, 0x33, 0x7c, 
  0x35, 0xb6, 0xc8, 0xd5, 0x85, 0x9a, 0xd2, 0x57, 0xbd, 0x9d, 0x04, 0x59, 0x40, 0x44, 0x1f, 0x10 
  };
  static UCHAR label_sha384[] = {
  0x6d, 0x61, 0x73, 0x74, 0x65, 0x72, 0x20, 0x73, 0x65, 0x63, 0x72, 0x65, 0x74
  };
  static UCHAR seed_sha384[] = { 
  0xdd, 0xfe, 0x04, 0x5c, 0x59, 0xd7, 0x87, 0xf8, 0x5d, 0xaf, 0x1c, 0x49, 0x48, 0xd9, 0xa8, 0x16, 
  0x62, 0x07, 0x16, 0x7b, 0x18, 0x20, 0xa2, 0x24, 0x0b, 0x5b, 0x52, 0x8b, 0x51, 0xfb, 0x3c, 0xf6, 
  0x70, 0xd2, 0xfe, 0xd4, 0x8a, 0xc7, 0xe5, 0x37, 0xac, 0xbb, 0xf6, 0x5b, 0x8b, 0x4d, 0xd6, 0x99, 
  0x4a, 0xb7, 0x9c, 0x1f, 0x26, 0x8e, 0x2f, 0xfb, 0xf2, 0x0e, 0x76, 0x4a, 0x2b, 0xcf, 0x09, 0xa1 
  };
  static UCHAR result_sha384[] = {
  0xd2, 0xfc, 0x23, 0x9e, 0x32, 0x0c, 0xbe, 0x2b, 0x4d, 0xa4, 0xc3, 0x79, 0x76, 0xff, 0xd5, 0x56, 
  0x56, 0x45, 0xc9, 0xff, 0x7c, 0x23, 0x9c, 0xfe, 0xa1, 0x0f, 0x6a, 0xf4, 0x47, 0xbe, 0xfe, 0x67, 
  0xa2, 0xc5, 0x45, 0x78, 0x2b, 0x6d, 0x1b, 0xcb, 0xda, 0xc7, 0x24, 0x8c, 0xe6, 0xb6, 0x25, 0xda
  };
  
  static UCHAR secret_sha512[] = { 
  0xcb, 0x1b, 0xc6, 0x9f, 0xea, 0xb9, 0x64, 0xb7, 0x66, 0x29, 0x7c, 0x7e, 0xb8, 0xf2, 0x9c, 0x89, 
  0x2a, 0xb3, 0x80, 0x27, 0x08, 0x98, 0x7d, 0xf5, 0xb6, 0x1a, 0x80, 0x66, 0x6b, 0x9e, 0x12, 0xb2, 
  0x32, 0xcb, 0x5e, 0x0e, 0x40, 0xf0, 0x5f, 0xb3, 0x92, 0x35, 0xb4, 0x88, 0x94, 0x5a, 0x70, 0x61
  };
  static UCHAR label_sha512[] = {
  0x6d, 0x61, 0x73, 0x74, 0x65, 0x72, 0x20, 0x73, 0x65, 0x63, 0x72, 0x65, 0x74
  };
  static UCHAR seed_sha512[] = { 
  0x13, 0x20, 0xa8, 0xa1, 0x17, 0xbb, 0x6c, 0xa0, 0xf8, 0x8e, 0x19, 0x23, 0x64, 0x11, 0x4b, 0x7f, 
  0x73, 0x21, 0x6b, 0x7a, 0xcc, 0x4f, 0xb9, 0x1b, 0xef, 0x49, 0xfa, 0x9b, 0xb1, 0x4d, 0x32, 0xc2, 
  0xac, 0xd7, 0x02, 0xca, 0xf7, 0xd3, 0x76, 0xf3, 0x5e, 0x65, 0x66, 0xb8, 0x5d, 0xdb, 0x3d, 0xa9, 
  0x3a, 0xe4, 0xeb, 0x63, 0x6d, 0x2a, 0x7a, 0x7a, 0xf7, 0x2f, 0xf3, 0x2a, 0x43, 0xe1, 0x64, 0x95
  };
  static UCHAR result_sha512[] = {
  0x91, 0xf2, 0xc6, 0x51, 0x77, 0xe4, 0x8f, 0xde, 0x4d, 0xd1, 0x27, 0xc3, 0xf5, 0xb5, 0x9c, 0x2a, 
  0x7d, 0x38, 0xa4, 0x78, 0x29, 0x86, 0x19, 0x7c, 0x11, 0x0c, 0xca, 0x2f, 0x0a, 0x18, 0x56, 0x8f, 
  0x31, 0x7a, 0x74, 0xa6, 0xea, 0xd3, 0x3c, 0x0f, 0x84, 0xa5, 0xd4, 0x1f, 0x8d, 0x36, 0x8f, 0x3a
  };
  
  /* Output. */
  static UCHAR output[256];
  
  /**************************************************************************/
  /*                                                                        */
  /*  FUNCTION                                               RELEASE        */
  /*                                                                        */
  /*    nx_crypto_method_self_test_prf                      PORTABLE C      */
  /*                                                           6.1.7        */
  /*  AUTHOR                                                                */
  /*                                                                        */
  /*    Timothy Stapko, Microsoft Corporation                               */
  /*                                                                        */
  /*  DESCRIPTION                                                           */
  /*                                                                        */
  /*    This function performs the Known Answer Test for PRF crypto method. */
  /*                                                                        */
  /*  INPUT                                                                 */
  /*                                                                        */
  /*    method_ptr                            Pointer to the crypto method  */
  /*                                            to be tested.               */
  /*                                                                        */
  /*  OUTPUT                                                                */
  /*                                                                        */
  /*    status                                Completion status             */
  /*                                                                        */
  /*  CALLS                                                                 */
  /*                                                                        */
  /*    None                                                                */
  /*                                                                        */
  /*  CALLED BY                                                             */
  /*                                                                        */
  /*    Application Code                                                    */
  /*                                                                        */
  /*  RELEASE HISTORY                                                       */
  /*                                                                        */
  /*    DATE              NAME                      DESCRIPTION             */
  /*                                                                        */
  /*  05-19-2020     Timothy Stapko           Initial Version 6.0           */
  /*  09-30-2020     Timothy Stapko           Modified comment(s),          */
  /*                                            resulting in version 6.1    */
  /*  06-02-2021     Bhupendra Naphade        Modified comment(s),          */
  /*                                            renamed FIPS symbol to      */
  /*                                            self-test,                  */
  /*                                            resulting in version 6.1.7  */
  /*                                                                        */
  /**************************************************************************/
  NX_CRYPTO_KEEP UINT _nx_crypto_method_self_test_prf(NX_CRYPTO_METHOD *crypto_method_prf,
                                                      VOID *metadata, UINT metadata_size)
  {
  UCHAR  *secret;
  UCHAR  *label;
  UCHAR  *seed;
  UCHAR  *result;
  UINT    secret_length;
  UINT    label_length;
  UINT    seed_length;
  UINT    result_length;
  UINT    status;
  VOID   *handler = NX_CRYPTO_NULL;
  
  
      /* Validate the crypto method */
      if(crypto_method_prf == NX_CRYPTO_NULL)
          return(NX_CRYPTO_PTR_ERROR);
  
      /* Set the test data.  */
      switch (crypto_method_prf -> nx_crypto_algorithm)
      {
      case NX_CRYPTO_PRF_HMAC_SHA1:
          secret = secret_sha1;
          secret_length = sizeof(secret_sha1);
          label = label_sha1;
          label_length = sizeof(label_sha1);
          seed = seed_sha1;
          seed_length = sizeof(seed_sha1);
          result = result_sha1;
          result_length = sizeof(result_sha1);
          break;
      case NX_CRYPTO_PRF_HMAC_SHA2_256:
          secret = secret_sha256;
          secret_length = sizeof(secret_sha256);
          label = label_sha256;
          label_length = sizeof(label_sha256);
          seed = seed_sha256;
          seed_length = sizeof(seed_sha256);
          result = result_sha256;
          result_length = sizeof(result_sha256);
          break;
      case NX_CRYPTO_PRF_HMAC_SHA2_384:
          secret = secret_sha384;
          secret_length = sizeof(secret_sha384);
          label = label_sha384;
          label_length = sizeof(label_sha384);
          seed = seed_sha384;
          seed_length = sizeof(seed_sha384);
          result = result_sha384;
          result_length = sizeof(result_sha384);
          break;
      case NX_CRYPTO_PRF_HMAC_SHA2_512:
          secret = secret_sha512;
          secret_length = sizeof(secret_sha512);
          label = label_sha512;
          label_length = sizeof(label_sha512);
          seed = seed_sha512;
          seed_length = sizeof(seed_sha512);
          result = result_sha512;
          result_length = sizeof(result_sha512);
          break;
      default:
          return(1);
      }
  
      /* Clear the output buffer.  */
      NX_CRYPTO_MEMSET(output, 0, sizeof(output));
  
      /* Call the crypto initialization function.  */
      if (crypto_method_prf -> nx_crypto_init)
      {
          status = crypto_method_prf -> nx_crypto_init(crypto_method_prf,
                                                       secret,
                                                       secret_length,
                                                       &handler,
                                                       metadata,
                                                       metadata_size);
  
          if (status != NX_CRYPTO_SUCCESS)
          {
              return(status);
          }
      }
  
      if (crypto_method_prf -> nx_crypto_operation == NX_CRYPTO_NULL)
      {
          return(NX_CRYPTO_PTR_ERROR);
      }
  
      /* Call the crypto operation function.  */
      status = crypto_method_prf -> nx_crypto_operation(NX_CRYPTO_PRF,
                                                        handler,
                                                        crypto_method_prf,
                                                        label,
                                                        label_length,
                                                        seed,
                                                        seed_length,
                                                        NX_CRYPTO_NULL,
                                                        (UCHAR *)output,
                                                        result_length,
                                                        metadata,
                                                        metadata_size,
                                                        NX_CRYPTO_NULL, NX_CRYPTO_NULL);
  
      /* Check the status.  */
      if(status != NX_CRYPTO_SUCCESS)
      {
          return(status);
      }
  
      /* Validate the output.  */
      if(NX_CRYPTO_MEMCMP(output, result, result_length) != 0)
      {
          return(NX_CRYPTO_NOT_SUCCESSFUL);
      }
  
      if (crypto_method_prf -> nx_crypto_cleanup)
      {
          status = crypto_method_prf -> nx_crypto_cleanup(metadata);
      }
  
      return(status);
  }
  #endif
  