iPXE
null_entropy.c
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00001 /*
00002  * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
00003  *
00004  * This program is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU General Public License as
00006  * published by the Free Software Foundation; either version 2 of the
00007  * License, or any later version.
00008  *
00009  * This program is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License
00015  * along with this program; if not, write to the Free Software
00016  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
00017  * 02110-1301, USA.
00018  *
00019  * You can also choose to distribute this program under the terms of
00020  * the Unmodified Binary Distribution Licence (as given in the file
00021  * COPYING.UBDL), provided that you have satisfied its requirements.
00022  */
00023 
00024 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
00025 
00026 /** @file
00027  *
00028  * Nonexistent entropy source
00029  *
00030  *
00031  * This source provides no entropy and must NOT be used in a
00032  * security-sensitive environment.
00033  */
00034 
00035 #include <ipxe/entropy.h>
00036 
00037 PROVIDE_ENTROPY_INLINE ( null, min_entropy_per_sample );
00038 PROVIDE_ENTROPY_INLINE ( null, entropy_enable );
00039 PROVIDE_ENTROPY_INLINE ( null, entropy_disable );
00040 PROVIDE_ENTROPY_INLINE ( null, get_noise );