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Diffstat (limited to '')
-rw-r--r-- | cipher/rndriscos.c | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/cipher/rndriscos.c b/cipher/rndriscos.c deleted file mode 100644 index 98142b313..000000000 --- a/cipher/rndriscos.c +++ /dev/null @@ -1,95 +0,0 @@ -/* rndriscos.c - raw random number for RISC OS - * Copyright (C) 2001 Free Software Foundation, Inc. - * - * This file is part of GnuPG. - * - * GnuPG 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; either version 2 of the License, or - * (at your option) any later version. - * - * GnuPG 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - */ - -#include <config.h> - -#ifdef USE_RNDRISCOS - -#include <string.h> -#include <kernel.h> -#include <swis.h> -#include "util.h" - -static int init_device(void); - -#define CryptRandom_Byte 0x51980 - -static const char * const path[] = { - "GnuPG:CryptRandom", - "GnuPG:CryptRand", - "System:Modules.CryptRandom" - "System:Modules.CryptRand", - NULL -}; - -/**************** - * Used to load the CryptRandom module if it isn't already loaded - */ -static int -init_device(void) -{ - int i; - - /* Is CryptRandom already loaded? */ - if (!_swix(OS_Module, _INR(0,1), 18, "CryptRandom")) - return 1; - - /* Check all the places where the module could be located */ - for (i=0; path[i]; ++i) - if (!_swix(OS_Module, _INR(0,1), 1, path[i])) - return 1; - - /* Can't find CryptRandom in the default locations */ - g10_log_fatal("Can't load module CryptRandom.\n"); - - return 0; /* never reached, but don't throw a warning */ -} - - -/**************** - * Get the random bytes from module - */ -int -rndriscos_gather_random(void (*add)(const void*, size_t, int), int requester, - size_t length, int level) -{ - static int initialized = 0; - int n; - byte buffer[768]; - - if (!initialized) - initialized = init_device(); - - while (length) { - int nbytes = length < sizeof(buffer) ? length : sizeof(buffer); - - for (n = 0; n < nbytes; ++n) - if (_swix(CryptRandom_Byte, _OUT(0), &buffer[n])) - g10_log_fatal("CryptRandom module isn't working as expected!\n"); - - (*add)(buffer, n, requester); - length -= n; - } - memset(buffer, 0, sizeof(buffer)); - - return 0; /* success */ -} - -#endif /*USE_RNDRISCOS */ |