2 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 # define HEADER_RAND_H
14 # include <openssl/ossl_typ.h>
15 # include <openssl/e_os2.h>
16 # include <openssl/randerr.h>
23 int (*seed) (const void *buf, int num);
24 int (*bytes) (unsigned char *buf, int num);
25 void (*cleanup) (void);
26 int (*add) (const void *buf, int num, double randomness);
27 int (*pseudorand) (unsigned char *buf, int num);
31 int RAND_set_rand_method(const RAND_METHOD *meth);
32 const RAND_METHOD *RAND_get_rand_method(void);
33 # ifndef OPENSSL_NO_ENGINE
34 int RAND_set_rand_engine(ENGINE *engine);
37 RAND_METHOD *RAND_OpenSSL(void);
39 # if !OPENSSL_API_1_1_0
40 # define RAND_cleanup() while(0) continue
42 int RAND_bytes(unsigned char *buf, int num);
43 int RAND_priv_bytes(unsigned char *buf, int num);
44 DEPRECATEDIN_1_1_0(int RAND_pseudo_bytes(unsigned char *buf, int num))
46 void RAND_seed(const void *buf, int num);
47 void RAND_keep_random_devices_open(int keep);
49 # if defined(__ANDROID__) && defined(__NDK_FPABI__)
50 __NDK_FPABI__ /* __attribute__((pcs("aapcs"))) on ARM */
52 void RAND_add(const void *buf, int num, double randomness);
53 int RAND_load_file(const char *file, long max_bytes);
54 int RAND_write_file(const char *file);
55 const char *RAND_file_name(char *file, size_t num);
56 int RAND_status(void);
58 # ifndef OPENSSL_NO_EGD
59 int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes);
60 int RAND_egd(const char *path);
61 int RAND_egd_bytes(const char *path, int bytes);
66 # if defined(_WIN32) && (defined(BASETYPES) || defined(_WINDEF_H))
67 /* application has to include <windows.h> in order to use these */
68 DEPRECATEDIN_1_1_0(void RAND_screen(void))
69 DEPRECATEDIN_1_1_0(int RAND_event(UINT, WPARAM, LPARAM))