LTKCPP-- LLRP Toolkit C Plus Plus Library
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00001 /* crypto/rand/rand.h */ 00002 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 00003 * All rights reserved. 00004 * 00005 * This package is an SSL implementation written 00006 * by Eric Young (eay@cryptsoft.com). 00007 * The implementation was written so as to conform with Netscapes SSL. 00008 * 00009 * This library is free for commercial and non-commercial use as long as 00010 * the following conditions are aheared to. The following conditions 00011 * apply to all code found in this distribution, be it the RC4, RSA, 00012 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 00013 * included with this distribution is covered by the same copyright terms 00014 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 00015 * 00016 * Copyright remains Eric Young's, and as such any Copyright notices in 00017 * the code are not to be removed. 00018 * If this package is used in a product, Eric Young should be given attribution 00019 * as the author of the parts of the library used. 00020 * This can be in the form of a textual message at program startup or 00021 * in documentation (online or textual) provided with the package. 00022 * 00023 * Redistribution and use in source and binary forms, with or without 00024 * modification, are permitted provided that the following conditions 00025 * are met: 00026 * 1. Redistributions of source code must retain the copyright 00027 * notice, this list of conditions and the following disclaimer. 00028 * 2. Redistributions in binary form must reproduce the above copyright 00029 * notice, this list of conditions and the following disclaimer in the 00030 * documentation and/or other materials provided with the distribution. 00031 * 3. All advertising materials mentioning features or use of this software 00032 * must display the following acknowledgement: 00033 * "This product includes cryptographic software written by 00034 * Eric Young (eay@cryptsoft.com)" 00035 * The word 'cryptographic' can be left out if the rouines from the library 00036 * being used are not cryptographic related :-). 00037 * 4. If you include any Windows specific code (or a derivative thereof) from 00038 * the apps directory (application code) you must include an acknowledgement: 00039 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 00040 * 00041 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 00042 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00043 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00044 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 00045 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00046 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00047 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00048 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00049 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00050 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00051 * SUCH DAMAGE. 00052 * 00053 * The licence and distribution terms for any publically available version or 00054 * derivative of this code cannot be changed. i.e. this code cannot simply be 00055 * copied and put under another distribution licence 00056 * [including the GNU Public Licence.] 00057 */ 00058 00059 #ifndef HEADER_RAND_H 00060 # define HEADER_RAND_H 00061 00062 # include <stdlib.h> 00063 # include <openssl/ossl_typ.h> 00064 # include <openssl/e_os2.h> 00065 00066 # if defined(OPENSSL_SYS_WINDOWS) 00067 # include <windows.h> 00068 # endif 00069 00070 #ifdef __cplusplus 00071 extern "C" { 00072 #endif 00073 00074 # if defined(OPENSSL_FIPS) 00075 # define FIPS_RAND_SIZE_T size_t 00076 # endif 00077 00078 /* Already defined in ossl_typ.h */ 00079 /* typedef struct rand_meth_st RAND_METHOD; */ 00080 00081 struct rand_meth_st { 00082 void (*seed) (const void *buf, int num); 00083 int (*bytes) (unsigned char *buf, int num); 00084 void (*cleanup) (void); 00085 void (*add) (const void *buf, int num, double entropy); 00086 int (*pseudorand) (unsigned char *buf, int num); 00087 int (*status) (void); 00088 }; 00089 00090 # ifdef BN_DEBUG 00091 extern int rand_predictable; 00092 # endif 00093 00094 int RAND_set_rand_method(const RAND_METHOD *meth); 00095 const RAND_METHOD *RAND_get_rand_method(void); 00096 # ifndef OPENSSL_NO_ENGINE 00097 int RAND_set_rand_engine(ENGINE *engine); 00098 # endif 00099 RAND_METHOD *RAND_SSLeay(void); 00100 void RAND_cleanup(void); 00101 int RAND_bytes(unsigned char *buf, int num); 00102 int RAND_pseudo_bytes(unsigned char *buf, int num); 00103 void RAND_seed(const void *buf, int num); 00104 void RAND_add(const void *buf, int num, double entropy); 00105 int RAND_load_file(const char *file, long max_bytes); 00106 int RAND_write_file(const char *file); 00107 const char *RAND_file_name(char *file, size_t num); 00108 int RAND_status(void); 00109 int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes); 00110 int RAND_egd(const char *path); 00111 int RAND_egd_bytes(const char *path, int bytes); 00112 int RAND_poll(void); 00113 00114 # if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) 00115 00116 void RAND_screen(void); 00117 int RAND_event(UINT, WPARAM, LPARAM); 00118 00119 # endif 00120 00121 # ifdef OPENSSL_FIPS 00122 void RAND_set_fips_drbg_type(int type, int flags); 00123 int RAND_init_fips(void); 00124 # endif 00125 00126 /* BEGIN ERROR CODES */ 00127 /* 00128 * The following lines are auto generated by the script mkerr.pl. Any changes 00129 * made after this point may be overwritten when the script is next run. 00130 */ 00131 void ERR_load_RAND_strings(void); 00132 00133 /* Error codes for the RAND functions. */ 00134 00135 /* Function codes. */ 00136 # define RAND_F_RAND_GET_RAND_METHOD 101 00137 # define RAND_F_RAND_INIT_FIPS 102 00138 # define RAND_F_SSLEAY_RAND_BYTES 100 00139 00140 /* Reason codes. */ 00141 # define RAND_R_DUAL_EC_DRBG_DISABLED 104 00142 # define RAND_R_ERROR_INITIALISING_DRBG 102 00143 # define RAND_R_ERROR_INSTANTIATING_DRBG 103 00144 # define RAND_R_NO_FIPS_RANDOM_METHOD_SET 101 00145 # define RAND_R_PRNG_NOT_SEEDED 100 00146 00147 #ifdef __cplusplus 00148 } 00149 #endif 00150 #endif