1#ifndef HEADER_CURL_RAND_H
2#define HEADER_CURL_RAND_H
3/***************************************************************************
4 * _ _ ____ _
5 * Project ___| | | | _ \| |
6 * / __| | | | |_) | |
7 * | (__| |_| | _ <| |___
8 * \___|\___/|_| \_\_____|
9 *
10 * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, 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.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 * SPDX-License-Identifier: curl
24 *
25 ***************************************************************************/
26
27CURLcode Curl_rand(struct Curl_easy *data, unsigned char *rnd, size_t num);
28
29/*
30 * Curl_rand_hex() fills the 'rnd' buffer with a given 'num' size with random
31 * hexadecimal digits PLUS a null-terminating byte. It must be an odd number
32 * size.
33 */
34CURLcode Curl_rand_hex(struct Curl_easy *data, unsigned char *rnd,
35 size_t num);
36
37/*
38 * Curl_rand_alnum() fills the 'rnd' buffer with a given 'num' size with random
39 * alphanumerical chars PLUS a null-terminating byte.
40 */
41CURLcode Curl_rand_alnum(struct Curl_easy *data, unsigned char *rnd,
42 size_t num);
43
44#ifdef WIN32
45/* Random generator shared between the Schannel vtls and Curl_rand*()
46 functions */
47CURLcode Curl_win32_random(unsigned char *entropy, size_t length);
48#endif
49
50#endif /* HEADER_CURL_RAND_H */
51