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src/libdigidoc/openssl/include/openssl/rand.h
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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 int
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         {
00083         void (*seed)(const void *buf, int num);
00084         int (*bytes)(unsigned char *buf, int num);
00085         void (*cleanup)(void);
00086         void (*add)(const void *buf, int num, double entropy);
00087         int (*pseudorand)(unsigned char *buf, int num);
00088         int (*status)(void);
00089         };
00090 
00091 #ifdef BN_DEBUG
00092 extern int rand_predictable;
00093 #endif
00094 
00095 int RAND_set_rand_method(const RAND_METHOD *meth);
00096 const RAND_METHOD *RAND_get_rand_method(void);
00097 #ifndef OPENSSL_NO_ENGINE
00098 int RAND_set_rand_engine(ENGINE *engine);
00099 #endif
00100 RAND_METHOD *RAND_SSLeay(void);
00101 void RAND_cleanup(void );
00102 int  RAND_bytes(unsigned char *buf,int num);
00103 int  RAND_pseudo_bytes(unsigned char *buf,int num);
00104 void RAND_seed(const void *buf,int num);
00105 void RAND_add(const void *buf,int num,double entropy);
00106 int  RAND_load_file(const char *file,long max_bytes);
00107 int  RAND_write_file(const char *file);
00108 const char *RAND_file_name(char *file,size_t num);
00109 int RAND_status(void);
00110 int RAND_query_egd_bytes(const char *path, unsigned char *buf, int bytes);
00111 int RAND_egd(const char *path);
00112 int RAND_egd_bytes(const char *path,int bytes);
00113 int RAND_poll(void);
00114 #ifndef OPENSSL_NO_ENGINE
00115 #ifdef OPENSSL_FIPS
00116 void int_RAND_init_engine_callbacks(void);
00117 void int_RAND_set_callbacks(
00118         int (*set_rand_func)(const RAND_METHOD *meth,
00119                                                 const RAND_METHOD **pmeth),
00120         const RAND_METHOD *(*get_rand_func)(const RAND_METHOD **pmeth));
00121 #endif
00122 #endif
00123 
00124 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32)
00125 
00126 void RAND_screen(void);
00127 int RAND_event(UINT, WPARAM, LPARAM);
00128 
00129 #endif
00130 
00131 /* BEGIN ERROR CODES */
00132 /* The following lines are auto generated by the script mkerr.pl. Any changes
00133  * made after this point may be overwritten when the script is next run.
00134  */
00135 void ERR_load_RAND_strings(void);
00136 
00137 /* Error codes for the RAND functions. */
00138 
00139 /* Function codes. */
00140 #define RAND_F_ENG_RAND_GET_RAND_METHOD                  108
00141 #define RAND_F_FIPS_RAND                                 103
00142 #define RAND_F_FIPS_RAND_BYTES                           102
00143 #define RAND_F_FIPS_RAND_GET_RAND_METHOD                 109
00144 #define RAND_F_FIPS_RAND_SET_DT                          106
00145 #define RAND_F_FIPS_SET_DT                               104
00146 #define RAND_F_FIPS_SET_PRNG_SEED                        107
00147 #define RAND_F_FIPS_SET_TEST_MODE                        105
00148 #define RAND_F_RAND_GET_RAND_METHOD                      101
00149 #define RAND_F_SSLEAY_RAND_BYTES                         100
00150 
00151 /* Reason codes. */
00152 #define RAND_R_NON_FIPS_METHOD                           105
00153 #define RAND_R_NOT_IN_TEST_MODE                          106
00154 #define RAND_R_NO_KEY_SET                                107
00155 #define RAND_R_PRNG_ASKING_FOR_TOO_MUCH                  101
00156 #define RAND_R_PRNG_ERROR                                108
00157 #define RAND_R_PRNG_KEYED                                109
00158 #define RAND_R_PRNG_NOT_REKEYED                          102
00159 #define RAND_R_PRNG_NOT_RESEEDED                         103
00160 #define RAND_R_PRNG_NOT_SEEDED                           100
00161 #define RAND_R_PRNG_SEED_MUST_NOT_MATCH_KEY              110
00162 #define RAND_R_PRNG_STUCK                                104
00163 
00164 #ifdef  __cplusplus
00165 }
00166 #endif
00167 #endif
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