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 27 CURLcode Curl_rand_bytes(struct Curl_easy *data, 28 #ifdef DEBUGBUILD 29 bool allow_env_override, 30 #endif 31 unsigned char *rnd, size_t num); 32 33 #ifdef DEBUGBUILD 34 #define Curl_rand(a,b,c) Curl_rand_bytes((a), TRUE, (b), (c)) 35 #else 36 #define Curl_rand(a,b,c) Curl_rand_bytes((a), (b), (c)) 37 #endif 38 39 /* 40 * Curl_rand_hex() fills the 'rnd' buffer with a given 'num' size with random 41 * hexadecimal digits PLUS a null-terminating byte. It must be an odd number 42 * size. 43 */ 44 CURLcode Curl_rand_hex(struct Curl_easy *data, unsigned char *rnd, 45 size_t num); 46 47 /* 48 * Curl_rand_alnum() fills the 'rnd' buffer with a given 'num' size with random 49 * alphanumerical chars PLUS a null-terminating byte. 50 */ 51 CURLcode Curl_rand_alnum(struct Curl_easy *data, unsigned char *rnd, 52 size_t num); 53 54 #ifdef _WIN32 55 /* Random generator shared between the Schannel vtls and Curl_rand*() 56 functions */ 57 CURLcode Curl_win32_random(unsigned char *entropy, size_t length); 58 #endif 59 60 #endif /* HEADER_CURL_RAND_H */ 61
