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>
22 /* Already defined in ossl_typ.h */
23 /* typedef struct rand_meth_st RAND_METHOD; */
26 int (*seed) (const void *buf, int num);
27 int (*bytes) (unsigned char *buf, int num);
28 void (*cleanup) (void);
29 int (*add) (const void *buf, int num, double entropy);
30 int (*pseudorand) (unsigned char *buf, int num);
35 extern int rand_predictable;
38 int RAND_set_rand_method(const RAND_METHOD *meth);
39 const RAND_METHOD *RAND_get_rand_method(void);
40 # ifndef OPENSSL_NO_ENGINE
41 int RAND_set_rand_engine(ENGINE *engine);
43 RAND_METHOD *RAND_OpenSSL(void);
44 #if OPENSSL_API_COMPAT < 0x10100000L
45 # define RAND_cleanup() while(0) continue
47 int RAND_bytes(unsigned char *buf, int num);
48 DEPRECATEDIN_1_1_0(int RAND_pseudo_bytes(unsigned char *buf, int num))
49 void RAND_seed(const void *buf, int num);
50 #if defined(__ANDROID__) && defined(__NDK_FPABI__)
51 __NDK_FPABI__ /* __attribute__((pcs("aapcs"))) on ARM */
53 void RAND_add(const void *buf, int num, double entropy);
54 int RAND_load_file(const char *file, long max_bytes);
55 int RAND_write_file(const char *file);
56 const char *RAND_file_name(char *file, size_t num);
57 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);
65 #if defined(_WIN32) && (defined(BASETYPES) || defined(_WINDEF_H))
66 /* application has to include <windows.h> in order to use these */
67 DEPRECATEDIN_1_1_0(void RAND_screen(void))
68 DEPRECATEDIN_1_1_0(int RAND_event(UINT, WPARAM, LPARAM))
71 int ERR_load_RAND_strings(void);