rand.h 1.7 KB

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  1. #ifndef HEADER_CURL_RAND_H
  2. #define HEADER_CURL_RAND_H
  3. /***************************************************************************
  4. * _ _ ____ _
  5. * Project ___| | | | _ \| |
  6. * / __| | | | |_) | |
  7. * | (__| |_| | _ <| |___
  8. * \___|\___/|_| \_\_____|
  9. *
  10. * Copyright (C) 1998 - 2016, Daniel Stenberg, <[email protected]>, et al.
  11. *
  12. * This software is licensed as described in the file COPYING, which
  13. * you should have received as part of this distribution. The terms
  14. * are also available at https://curl.haxx.se/docs/copyright.html.
  15. *
  16. * You may opt to use, copy, modify, merge, publish, distribute and/or sell
  17. * copies of the Software, and permit persons to whom the Software is
  18. * furnished to do so, under the terms of the COPYING file.
  19. *
  20. * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  21. * KIND, either express or implied.
  22. *
  23. ***************************************************************************/
  24. /*
  25. * Curl_rand() stores 'num' number of random unsigned integers in the buffer
  26. * 'rnd' points to.
  27. *
  28. * If libcurl is built without TLS support or with a TLS backend that lacks a
  29. * proper random API (Gskit, PolarSSL or mbedTLS), this function will use
  30. * "weak" random.
  31. *
  32. * When built *with* TLS support and a backend that offers strong random, it
  33. * will return error if it cannot provide strong random values.
  34. *
  35. * NOTE: 'data' may be passed in as NULL when coming from external API without
  36. * easy handle!
  37. *
  38. */
  39. CURLcode Curl_rand(struct Curl_easy *data, unsigned int *rnd,
  40. unsigned int num);
  41. #endif /* HEADER_CURL_RAND_H */