| 1 | #ifndef HEADER_CURL_RAND_H
|
|---|
| 2 | #define HEADER_CURL_RAND_H
|
|---|
| 3 | /***************************************************************************
|
|---|
| 4 | * _ _ ____ _
|
|---|
| 5 | * Project ___| | | | _ \| |
|
|---|
| 6 | * / __| | | | |_) | |
|
|---|
| 7 | * | (__| |_| | _ <| |___
|
|---|
| 8 | * \___|\___/|_| \_\_____|
|
|---|
| 9 | *
|
|---|
| 10 | * Copyright (C) 1998 - 2017, 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 | /*
|
|---|
| 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, PolarSSL or mbedTLS), this function will use
|
|---|
| 31 | * "weak" random.
|
|---|
| 32 | *
|
|---|
| 33 | * When built *with* TLS support and a backend that offers strong random, it
|
|---|
| 34 | * will return error if it cannot provide strong random values.
|
|---|
| 35 | *
|
|---|
| 36 | * NOTE: 'data' may be passed in as NULL when coming from external API without
|
|---|
| 37 | * easy handle!
|
|---|
| 38 | *
|
|---|
| 39 | */
|
|---|
| 40 | CURLcode Curl_rand(struct Curl_easy *data, unsigned char *rnd, size_t num);
|
|---|
| 41 |
|
|---|
| 42 | /* Same as above but outputs only random lowercase hex characters.
|
|---|
| 43 | Does NOT terminate.*/
|
|---|
| 44 | CURLcode Curl_rand_hex(struct Curl_easy *data, unsigned char *rnd,
|
|---|
| 45 | size_t num);
|
|---|
| 46 |
|
|---|
| 47 | #endif /* HEADER_CURL_RAND_H */
|
|---|
