tm_crypto.h

   1
   2 /*
   3
   4 Copyright (c) 2016, Andre Schalkwyk and Cory Burgett
   5 All rights reserved.
   6
   7 Redistribution and use in source and binary forms, with or without
   8 modification, are permitted provided that the following conditions are met:
   9
  10 * Redistributions of source code must retain the above copyright notice, this
  11   list of conditions and the following disclaimer.
  12
  13 * Redistributions in binary form must reproduce the above copyright notice,
  14   this list of conditions and the following disclaimer in the documentation
  15   and/or other materials provided with the distribution.
  16
  17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  18 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  21 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  24 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  25 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27
  28 */
  29
  30 #ifndef TM_CRYPTO_H
  31 #define TM_CRYPTO_H
  32
  33 #define TM_CRYPTO_USAGE_ERROR   0x1
  34 #define TM_CRYPTO_FILE_ERROR    0x2
  35
  36 #define CRYPTO_HASH_SIZE                        20
  37 #define CRYPTO_HASH_STRING_LENGTH       41
  38
  39 void tm_CryptoHashData(const unsigned char* data, unsigned char digest[CRYPTO_HASH_SIZE]);
  40 void tm_CryptoHashFile(const char* file, unsigned char digest[CRYPTO_HASH_SIZE]);
  41 void tm_CryptoHashToString(const unsigned char digest[CRYPTO_HASH_SIZE], char hash[CRYPTO_HASH_STRING_LENGTH]);
  42
  43 #define TM_CRYPTO_HASH_DATA(DATA, DIGEST)       tm_CryptoHashData((const unsigned char*)(DATA), (unsigned char*)(DIGEST))
  44 #define TM_CRYPTO_HASH_FILE(FILE, DIGEST)       tm_CryptoHashFile((const char*)(FILE), (unsigned char*)(DIGEST))
  45 #define TM_CRYPTO_HASH_TO_STRING(DIGEST, HASH)  tm_CryptoHashToString((const unsigned char*)(DIGEST), (char*)(HASH))
  46 #endif