+++ /dev/null
-/* crypto/rand/rand_lib.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-
-#include <stdio.h>
-#include <time.h>
-#include "cryptlib.h"
-#include <openssl/rand.h>
-#ifndef OPENSSL_NO_ENGINE
-#include <openssl/engine.h>
-#endif
-#include <openssl/fips.h>
-#include <openssl/fips_rand.h>
-
-#ifndef OPENSSL_NO_ENGINE
-/* non-NULL if default_RAND_meth is ENGINE-provided */
-static ENGINE *funct_ref =NULL;
-#endif
-static const RAND_METHOD *default_RAND_meth = NULL;
-
-int RAND_set_rand_method(const RAND_METHOD *meth)
- {
-#ifndef OPENSSL_NO_ENGINE
- if(funct_ref)
- {
- ENGINE_finish(funct_ref);
- funct_ref = NULL;
- }
-#endif
- default_RAND_meth = meth;
- return 1;
- }
-
-const RAND_METHOD *RAND_get_rand_method(void)
- {
-#ifdef OPENSSL_FIPS
- if(FIPS_mode()
- && default_RAND_meth != FIPS_rand_check())
- {
- RANDerr(RAND_F_RAND_GET_RAND_METHOD,RAND_R_NON_FIPS_METHOD);
- return 0;
- }
-#endif
-
-
- if (!default_RAND_meth)
- {
-#ifndef OPENSSL_NO_ENGINE
- ENGINE *e = ENGINE_get_default_RAND();
- if(e)
- {
- default_RAND_meth = ENGINE_get_RAND(e);
- if(!default_RAND_meth)
- {
- ENGINE_finish(e);
- e = NULL;
- }
- }
- if(e)
- funct_ref = e;
- else
-#endif
- default_RAND_meth = RAND_SSLeay();
- }
- return default_RAND_meth;
- }
-
-#ifndef OPENSSL_NO_ENGINE
-int RAND_set_rand_engine(ENGINE *engine)
- {
- const RAND_METHOD *tmp_meth = NULL;
- if(engine)
- {
- if(!ENGINE_init(engine))
- return 0;
- tmp_meth = ENGINE_get_RAND(engine);
- if(!tmp_meth)
- {
- ENGINE_finish(engine);
- return 0;
- }
- }
- /* This function releases any prior ENGINE so call it first */
- RAND_set_rand_method(tmp_meth);
- funct_ref = engine;
- return 1;
- }
-#endif
-
-void RAND_cleanup(void)
- {
- const RAND_METHOD *meth = RAND_get_rand_method();
- if (meth && meth->cleanup)
- meth->cleanup();
- RAND_set_rand_method(NULL);
- }
-
-void RAND_seed(const void *buf, int num)
- {
- const RAND_METHOD *meth = RAND_get_rand_method();
- if (meth && meth->seed)
- meth->seed(buf,num);
- }
-
-void RAND_add(const void *buf, int num, double entropy)
- {
- const RAND_METHOD *meth = RAND_get_rand_method();
- if (meth && meth->add)
- meth->add(buf,num,entropy);
- }
-
-int RAND_bytes(unsigned char *buf, int num)
- {
- const RAND_METHOD *meth = RAND_get_rand_method();
- if (meth && meth->bytes)
- return meth->bytes(buf,num);
- return(-1);
- }
-
-int RAND_pseudo_bytes(unsigned char *buf, int num)
- {
- const RAND_METHOD *meth = RAND_get_rand_method();
- if (meth && meth->pseudorand)
- return meth->pseudorand(buf,num);
- return(-1);
- }
-
-int RAND_status(void)
- {
- const RAND_METHOD *meth = RAND_get_rand_method();
- if (meth && meth->status)
- return meth->status();
- return 0;
- }
projects / bcm963xx.git / blobdiff