2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (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);
32 extern int rand_predictable;
35 int RAND_set_rand_method(const RAND_METHOD *meth);
36 const RAND_METHOD *RAND_get_rand_method(void);
37 # ifndef OPENSSL_NO_ENGINE
38 int RAND_set_rand_engine(ENGINE *engine);
40 RAND_METHOD *RAND_OpenSSL(void);
41 #if OPENSSL_API_COMPAT < 0x10100000L
42 # define RAND_cleanup() while(0) continue
44 int RAND_bytes(unsigned char *buf, int num);
45 DEPRECATEDIN_1_1_0(int RAND_pseudo_bytes(unsigned char *buf, int num))
46 void RAND_seed(const void *buf, int num);
47 #if defined(__ANDROID__) && defined(__NDK_FPABI__)
48 __NDK_FPABI__ /* __attribute__((pcs("aapcs"))) on ARM */
50 void RAND_add(const void *buf, int num, double randomness);
51 int RAND_load_file(const char *file, long max_bytes);
52 int RAND_write_file(const char *file);
53 const char *RAND_file_name(char *file, size_t num);
54 int RAND_status(void);
55 # ifndef OPENSSL_NO_EGD
56 int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes);
57 int RAND_egd(const char *path);
58 int RAND_egd_bytes(const char *path, int bytes);
62 #if defined(_WIN32) && (defined(BASETYPES) || defined(_WINDEF_H))
63 /* application has to include <windows.h> in order to use these */
64 DEPRECATEDIN_1_1_0(void RAND_screen(void))
65 DEPRECATEDIN_1_1_0(int RAND_event(UINT, WPARAM, LPARAM))
68 int ERR_load_RAND_strings(void);