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Annotation of embedaddon/curl/lib/rand.h, revision 1.1.1.1

1.1       misho       1: #ifndef HEADER_CURL_RAND_H
                      2: #define HEADER_CURL_RAND_H
                      3: /***************************************************************************
                      4:  *                                  _   _ ____  _
                      5:  *  Project                     ___| | | |  _ \| |
                      6:  *                             / __| | | | |_) | |
                      7:  *                            | (__| |_| |  _ <| |___
                      8:  *                             \___|\___/|_| \_\_____|
                      9:  *
                     10:  * Copyright (C) 1998 - 2019, 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.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: /*
                     26:  * Curl_rand() stores 'num' number of random unsigned characters in the buffer
                     27:  * 'rnd' points to.
                     28:  *
                     29:  * If libcurl is built without TLS support or with a TLS backend that lacks a
                     30:  * proper random API (Gskit or mbedTLS), this function will use "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 char *rnd, size_t num);
                     40: 
                     41: /*
                     42:  * Curl_rand_hex() fills the 'rnd' buffer with a given 'num' size with random
                     43:  * hexadecimal digits PLUS a zero terminating byte. It must be an odd number
                     44:  * size.
                     45:  */
                     46: CURLcode Curl_rand_hex(struct Curl_easy *data, unsigned char *rnd,
                     47:                        size_t num);
                     48: 
                     49: #endif /* HEADER_CURL_RAND_H */