| 1 | /*
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| 2 | * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #ifndef HEADER_RAND_H
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| 11 | # define HEADER_RAND_H
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| 12 |
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| 13 | # include <stdlib.h>
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| 14 | # include <openssl/ossl_typ.h>
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| 15 | # include <openssl/e_os2.h>
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| 16 | # include <openssl/randerr.h>
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| 17 |
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| 18 | #ifdef __cplusplus
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| 19 | extern "C" {
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| 20 | #endif
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| 21 |
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| 22 | struct rand_meth_st {
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| 23 | int (*seed) (const void *buf, int num);
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| 24 | int (*bytes) (unsigned char *buf, int num);
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| 25 | void (*cleanup) (void);
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| 26 | int (*add) (const void *buf, int num, double randomness);
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| 27 | int (*pseudorand) (unsigned char *buf, int num);
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| 28 | int (*status) (void);
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| 29 | };
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| 30 |
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| 31 | int RAND_set_rand_method(const RAND_METHOD *meth);
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| 32 | const RAND_METHOD *RAND_get_rand_method(void);
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| 33 | # ifndef OPENSSL_NO_ENGINE
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| 34 | int RAND_set_rand_engine(ENGINE *engine);
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| 35 | # endif
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| 36 |
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| 37 | RAND_METHOD *RAND_OpenSSL(void);
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| 38 |
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| 39 | # if OPENSSL_API_COMPAT < 0x10100000L
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| 40 | # define RAND_cleanup() while(0) continue
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| 41 | # endif
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| 42 | int RAND_bytes(unsigned char *buf, int num);
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| 43 | int RAND_priv_bytes(unsigned char *buf, int num);
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| 44 | DEPRECATEDIN_1_1_0(int RAND_pseudo_bytes(unsigned char *buf, int num))
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| 45 |
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| 46 | void RAND_seed(const void *buf, int num);
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| 47 | void RAND_keep_random_devices_open(int keep);
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| 48 |
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| 49 | # if defined(__ANDROID__) && defined(__NDK_FPABI__)
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| 50 | __NDK_FPABI__ /* __attribute__((pcs("aapcs"))) on ARM */
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| 51 | # endif
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| 52 | void RAND_add(const void *buf, int num, double randomness);
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| 53 | int RAND_load_file(const char *file, long max_bytes);
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| 54 | int RAND_write_file(const char *file);
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| 55 | const char *RAND_file_name(char *file, size_t num);
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| 56 | int RAND_status(void);
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| 57 |
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| 58 | # ifndef OPENSSL_NO_EGD
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| 59 | int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes);
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| 60 | int RAND_egd(const char *path);
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| 61 | int RAND_egd_bytes(const char *path, int bytes);
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| 62 | # endif
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| 63 |
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| 64 | int RAND_poll(void);
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| 65 |
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| 66 | # if defined(_WIN32) && (defined(BASETYPES) || defined(_WINDEF_H))
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| 67 | /* application has to include <windows.h> in order to use these */
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| 68 | DEPRECATEDIN_1_1_0(void RAND_screen(void))
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| 69 | DEPRECATEDIN_1_1_0(int RAND_event(UINT, WPARAM, LPARAM))
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| 70 | # endif
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| 71 |
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| 72 |
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| 73 | #ifdef __cplusplus
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| 74 | }
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| 75 | #endif
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| 76 |
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| 77 | #endif
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