diff options
Diffstat (limited to 'mysys_ssl/my_rnd.cc')
-rw-r--r-- | mysys_ssl/my_rnd.cc | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/mysys_ssl/my_rnd.cc b/mysys_ssl/my_rnd.cc deleted file mode 100644 index aa8fb63cd4d..00000000000 --- a/mysys_ssl/my_rnd.cc +++ /dev/null @@ -1,103 +0,0 @@ -/* - Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; version 2 of the License. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ - -#include <my_global.h> -#include <my_rnd.h> -#include <m_string.h> - -#if defined(HAVE_YASSL) -#if defined(YASSL_PREFIX) -#define RAND_bytes yaRAND_bytes -#endif /* YASSL_PREFIX */ - -#include <openssl/ssl.h> - -#elif defined(HAVE_OPENSSL) -#include <openssl/rand.h> -#endif /* HAVE_YASSL */ - - -/* - A wrapper to use OpenSSL/yaSSL PRNGs. -*/ - -extern "C" { - -/* - Initialize random generator - - NOTES - MySQL's password checks depends on this, so don't do any changes - that changes the random numbers that are generated! -*/ - -void my_rnd_init(struct my_rnd_struct *rand_st, ulong seed1, ulong seed2) -{ -#ifdef HAVE_valgrind - bzero((char*) rand_st,sizeof(*rand_st)); /* Avoid UMC varnings */ -#endif - rand_st->max_value= 0x3FFFFFFFL; - rand_st->max_value_dbl=(double) rand_st->max_value; - rand_st->seed1=seed1%rand_st->max_value ; - rand_st->seed2=seed2%rand_st->max_value; -} - -/** - Generate random number. - - @param rand_st [INOUT] Structure used for number generation. - - @retval Generated pseudo random number. -*/ - -double my_rnd(struct my_rnd_struct *rand_st) -{ - rand_st->seed1= (rand_st->seed1*3+rand_st->seed2) % rand_st->max_value; - rand_st->seed2= (rand_st->seed1+rand_st->seed2+33) % rand_st->max_value; - return (((double) rand_st->seed1) / rand_st->max_value_dbl); -} - -/** - Generate a random number using the OpenSSL/yaSSL supplied - random number generator if available. - - @param rand_st [INOUT] Structure used for number generation - only if none of the SSL libraries are - available. - - @retval Generated random number. -*/ - -double my_rnd_ssl(struct my_rnd_struct *rand_st) -{ - -#if defined(HAVE_YASSL) || defined(HAVE_OPENSSL) - int rc; - unsigned int res; - -#if defined(HAVE_YASSL) - rc= yaSSL::RAND_bytes((unsigned char *) &res, sizeof (unsigned int)); -#else - rc= RAND_bytes((unsigned char *) &res, sizeof (unsigned int)); -#endif /* HAVE_YASSL */ - if (rc) - return (double)res / (double)UINT_MAX; - -#endif /* defined(HAVE_YASSL) || defined(HAVE_OPENSSL) */ - return my_rnd(rand_st); -} - -} |