encrypt.cc 2.3 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263
  1. /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
  2. *
  3. * Libhashkit library
  4. *
  5. * Copyright (C) 2012 Data Differential, http://datadifferential.com/
  6. *
  7. * Redistribution and use in source and binary forms, with or without
  8. * modification, are permitted provided that the following conditions are
  9. * met:
  10. *
  11. * * Redistributions of source code must retain the above copyright
  12. * notice, this list of conditions and the following disclaimer.
  13. *
  14. * * Redistributions in binary form must reproduce the above
  15. * copyright notice, this list of conditions and the following disclaimer
  16. * in the documentation and/or other materials provided with the
  17. * distribution.
  18. *
  19. * * The names of its contributors may not be used to endorse or
  20. * promote products derived from this software without specific prior
  21. * written permission.
  22. *
  23. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  24. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  25. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  26. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  27. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  28. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  29. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  30. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  31. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  32. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  33. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34. *
  35. */
  36. #include <libhashkit/common.h>
  37. hashkit_string_st *hashkit_encrypt(hashkit_st *kit,
  38. const char* source, size_t source_length)
  39. {
  40. return aes_encrypt(static_cast<aes_key_t*>(kit->_key), source, source_length);
  41. }
  42. hashkit_string_st *hashkit_decrypt(hashkit_st *kit,
  43. const char* source, size_t source_length)
  44. {
  45. return aes_decrypt(static_cast<aes_key_t*>(kit->_key), source, source_length);
  46. }
  47. bool hashkit_key(hashkit_st *kit, const char *key, const size_t key_length)
  48. {
  49. if (kit->_key)
  50. {
  51. free(kit->_key);
  52. }
  53. kit->_key= aes_create_key(key, key_length);
  54. return bool(kit->_key);
  55. }