codekingpro/portable-devtools

1/*2 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.3 *4 * Licensed under the Apache License 2.0 (the "License").  You may not use5 * this file except in compliance with the License.  You can obtain a copy6 * in the file LICENSE in the source distribution or at7 * https://www.openssl.org/source/license.html8 */9 10#ifndef OPENSSL_RAND_H11# define OPENSSL_RAND_H12# pragma once13 14# include <openssl/macros.h>15# ifndef OPENSSL_NO_DEPRECATED_3_016#  define HEADER_RAND_H17# endif18 19# include <stdlib.h>20# include <openssl/types.h>21# include <openssl/e_os2.h>22# include <openssl/randerr.h>23# include <openssl/evp.h>24 25#ifdef  __cplusplus26extern "C" {27#endif28 29/*30 * Default security strength (in the sense of [NIST SP 800-90Ar1])31 *32 * NIST SP 800-90Ar1 supports the strength of the DRBG being smaller than that33 * of the cipher by collecting less entropy. The current DRBG implementation34 * does not take RAND_DRBG_STRENGTH into account and sets the strength of the35 * DRBG to that of the cipher.36 */37# define RAND_DRBG_STRENGTH             25638 39# ifndef OPENSSL_NO_DEPRECATED_3_040struct rand_meth_st {41    int (*seed) (const void *buf, int num);42    int (*bytes) (unsigned char *buf, int num);43    void (*cleanup) (void);44    int (*add) (const void *buf, int num, double randomness);45    int (*pseudorand) (unsigned char *buf, int num);46    int (*status) (void);47};48 49OSSL_DEPRECATEDIN_3_0 int RAND_set_rand_method(const RAND_METHOD *meth);50OSSL_DEPRECATEDIN_3_0 const RAND_METHOD *RAND_get_rand_method(void);51#  ifndef OPENSSL_NO_ENGINE52OSSL_DEPRECATEDIN_3_0 int RAND_set_rand_engine(ENGINE *engine);53#  endif54 55OSSL_DEPRECATEDIN_3_0 RAND_METHOD *RAND_OpenSSL(void);56# endif /* OPENSSL_NO_DEPRECATED_3_0 */57 58# ifndef OPENSSL_NO_DEPRECATED_1_1_059#   define RAND_cleanup() while(0) continue60# endif61int RAND_bytes(unsigned char *buf, int num);62int RAND_priv_bytes(unsigned char *buf, int num);63 64/*65 * Equivalent of RAND_priv_bytes() but additionally taking an OSSL_LIB_CTX and66 * a strength.67 */68int RAND_priv_bytes_ex(OSSL_LIB_CTX *ctx, unsigned char *buf, size_t num,69                       unsigned int strength);70 71/*72 * Equivalent of RAND_bytes() but additionally taking an OSSL_LIB_CTX and73 * a strength.74 */75int RAND_bytes_ex(OSSL_LIB_CTX *ctx, unsigned char *buf, size_t num,76                  unsigned int strength);77 78# ifndef OPENSSL_NO_DEPRECATED_1_1_079OSSL_DEPRECATEDIN_1_1_0 int RAND_pseudo_bytes(unsigned char *buf, int num);80# endif81 82EVP_RAND_CTX *RAND_get0_primary(OSSL_LIB_CTX *ctx);83EVP_RAND_CTX *RAND_get0_public(OSSL_LIB_CTX *ctx);84EVP_RAND_CTX *RAND_get0_private(OSSL_LIB_CTX *ctx);85 86int RAND_set_DRBG_type(OSSL_LIB_CTX *ctx, const char *drbg, const char *propq,87                       const char *cipher, const char *digest);88int RAND_set_seed_source_type(OSSL_LIB_CTX *ctx, const char *seed,89                              const char *propq);90 91void RAND_seed(const void *buf, int num);92void RAND_keep_random_devices_open(int keep);93 94# if defined(__ANDROID__) && defined(__NDK_FPABI__)95__NDK_FPABI__   /* __attribute__((pcs("aapcs"))) on ARM */96# endif97void RAND_add(const void *buf, int num, double randomness);98int RAND_load_file(const char *file, long max_bytes);99int RAND_write_file(const char *file);100const char *RAND_file_name(char *file, size_t num);101int RAND_status(void);102 103# ifndef OPENSSL_NO_EGD104int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes);105int RAND_egd(const char *path);106int RAND_egd_bytes(const char *path, int bytes);107# endif108 109int RAND_poll(void);110 111# if defined(_WIN32) && (defined(BASETYPES) || defined(_WINDEF_H))112/* application has to include <windows.h> in order to use these */113#  ifndef OPENSSL_NO_DEPRECATED_1_1_0114OSSL_DEPRECATEDIN_1_1_0 void RAND_screen(void);115OSSL_DEPRECATEDIN_1_1_0 int RAND_event(UINT, WPARAM, LPARAM);116#  endif117# endif118 119#ifdef  __cplusplus120}121#endif122 123#endif124