From 17b77485fa4ea8ecbf472e2d1daa15007ff93705 Mon Sep 17 00:00:00 2001 From: Erwin Nindl Date: Fri, 13 Jul 2007 16:05:16 +0000 Subject: * removed srtp directory * install libsrtp under /usr/local/lib * cleaned up Makefile --- srtp/crypto/rng/rand_source.c | 153 ------------------------------------------ 1 file changed, 153 deletions(-) delete mode 100644 srtp/crypto/rng/rand_source.c (limited to 'srtp/crypto/rng/rand_source.c') diff --git a/srtp/crypto/rng/rand_source.c b/srtp/crypto/rng/rand_source.c deleted file mode 100644 index 4de5105..0000000 --- a/srtp/crypto/rng/rand_source.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - * rand_source.c - * - * implements a random source based on /dev/random - * - * David A. McGrew - * Cisco Systems, Inc. - */ -/* - * - * Copyright(c) 2001-2006 Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 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. - * - * Neither the name of the Cisco Systems, Inc. nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "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 - * COPYRIGHT HOLDERS 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. - * - */ - -#include "config.h" - -#ifdef DEV_URANDOM -# include /* for open() */ -# include /* for close() */ -#elif (_MSC_VER >= 1400) -#define _CRT_RAND_S -# include -# include -#else -# include -#endif - -#include "rand_source.h" - - -/* - * global dev_rand_fdes is file descriptor for /dev/random - * - * This variable is also used to indicate that the random source has - * been initialized. When this variable is set to the value of the - * #define RAND_SOURCE_NOT_READY, it indicates that the random source - * is not ready to be used. The value of the #define - * RAND_SOURCE_READY is for use whenever that variable is used as an - * indicator of the state of the random source, but not as a file - * descriptor. - */ - -#define RAND_SOURCE_NOT_READY (-1) -#define RAND_SOURCE_READY (17) - -static int dev_random_fdes = RAND_SOURCE_NOT_READY; - - -err_status_t -rand_source_init(void) { - if (dev_random_fdes >= 0) { - /* already open */ - return err_status_ok; - } -#ifdef DEV_URANDOM - /* open random source for reading */ - dev_random_fdes = open(DEV_URANDOM, O_RDONLY); - if (dev_random_fdes < 0) - return err_status_init_fail; -#elif (_MSC_VER >= 1400) - dev_random_fdes = RAND_SOURCE_READY; -#else - /* no random source available; let the user know */ - fprintf(stderr, "WARNING: no real random source present!\n"); - dev_random_fdes = RAND_SOURCE_READY; -#endif - return err_status_ok; -} - -err_status_t -rand_source_get_octet_string(void *dest, uint32_t len) { - - /* - * read len octets from /dev/random to dest, and - * check return value to make sure enough octets were - * written - */ -#ifdef DEV_URANDOM - if (read(dev_random_fdes, dest, len) != len) - return err_status_fail; -#elif (_MSC_VER >= 1400) - unsigned int *dst = dest; - while (len) - { - unsigned int val = 0; - errno_t err = rand_s(&val); - if (err != 0) - { - return err_status_fail; - } - - *dst++ = val; - len--; - } -#else - /* Generic C-library (rand()) version */ - /* This is a random source of last resort */ - uint8_t *dst = (uint8_t *)dest; - while (len) - { - int val = rand(); - /* rand() returns 0-32767 (ugh) */ - /* Is this a good enough way to get random bytes? - It is if it passes FIPS-140... */ - *dst++ = val & 0xff; - len--; - } -#endif - return err_status_ok; -} - -err_status_t -rand_source_deinit(void) { - if (dev_random_fdes < 0) - return err_status_dealloc_fail; /* well, we haven't really failed, * - * but there is something wrong */ -#ifdef DEV_URANDOM - close(dev_random_fdes); -#endif - dev_random_fdes = RAND_SOURCE_NOT_READY; - - return err_status_ok; -} -- cgit v1.2.3