| 1 | #ifndef HEADER_CURL_RAND_H
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| 2 | #define HEADER_CURL_RAND_H
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| 3 | /***************************************************************************
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| 4 | * _ _ ____ _
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| 5 | * Project ___| | | | _ \| |
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| 6 | * / __| | | | |_) | |
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| 7 | * | (__| |_| | _ <| |___
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| 8 | * \___|\___/|_| \_\_____|
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| 9 | *
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| 10 | * Copyright (C) Daniel Stenberg, <[email protected]>, et al.
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| 11 | *
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| 12 | * This software is licensed as described in the file COPYING, which
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| 13 | * you should have received as part of this distribution. The terms
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| 14 | * are also available at https://curl.se/docs/copyright.html.
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| 15 | *
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| 16 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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| 17 | * copies of the Software, and permit persons to whom the Software is
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| 18 | * furnished to do so, under the terms of the COPYING file.
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| 19 | *
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| 20 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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| 21 | * KIND, either express or implied.
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| 22 | *
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| 23 | * SPDX-License-Identifier: curl
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| 24 | *
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| 25 | ***************************************************************************/
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| 26 |
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| 27 | CURLcode Curl_rand_bytes(struct Curl_easy *data,
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| 28 | #ifdef DEBUGBUILD
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| 29 | bool allow_env_override,
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| 30 | #endif
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| 31 | unsigned char *rnd, size_t num);
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| 32 |
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| 33 | #ifdef DEBUGBUILD
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| 34 | #define Curl_rand(a,b,c) Curl_rand_bytes((a), TRUE, (b), (c))
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| 35 | #else
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| 36 | #define Curl_rand(a,b,c) Curl_rand_bytes((a), (b), (c))
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| 37 | #endif
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| 38 |
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| 39 | /*
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| 40 | * Curl_rand_hex() fills the 'rnd' buffer with a given 'num' size with random
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| 41 | * hexadecimal digits PLUS a null-terminating byte. It must be an odd number
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| 42 | * size.
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| 43 | */
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| 44 | CURLcode Curl_rand_hex(struct Curl_easy *data, unsigned char *rnd,
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| 45 | size_t num);
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| 46 |
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| 47 | /*
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| 48 | * Curl_rand_alnum() fills the 'rnd' buffer with a given 'num' size with random
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| 49 | * alphanumerical chars PLUS a null-terminating byte.
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| 50 | */
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| 51 | CURLcode Curl_rand_alnum(struct Curl_easy *data, unsigned char *rnd,
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| 52 | size_t num);
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| 53 |
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| 54 | #ifdef _WIN32
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| 55 | /* Random generator shared between the Schannel vtls and Curl_rand*()
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| 56 | functions */
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| 57 | CURLcode Curl_win32_random(unsigned char *entropy, size_t length);
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| 58 | #endif
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| 59 |
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| 60 | #endif /* HEADER_CURL_RAND_H */
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