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Diffstat (limited to 'secure/lib/libdes/new_rkey.c')
| -rw-r--r-- | secure/lib/libdes/new_rkey.c | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/secure/lib/libdes/new_rkey.c b/secure/lib/libdes/new_rkey.c deleted file mode 100644 index d15e02ad90a8..000000000000 --- a/secure/lib/libdes/new_rkey.c +++ /dev/null @@ -1,227 +0,0 @@ -/* lib/des/new_rkey.c */ -/* Copyright (C) 1995 Eric Young (eay@mincom.oz.au) - * All rights reserved. - * - * This file is part of an SSL implementation written - * by Eric Young (eay@mincom.oz.au). - * The implementation was written so as to conform with Netscapes SSL - * specification. This library and applications are - * FREE FOR COMMERCIAL AND NON-COMMERCIAL USE - * as long as the following conditions are aheared to. - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. If this code is used in a product, - * Eric Young should be given attribution as the author of the parts 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 software developed by Eric Young (eay@mincom.oz.au) - * - * 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.] - */ - -/* - * Copyright (c) 1995 - * Mark Murray. All rights reserved. - * - * 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 above 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 software developed by Mark Murray - * and Eric Young - * 4. Neither the name of the author nor the names of any co-contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY MARK MURRAY 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 REGENTS 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. - * - * $Id: new_rkey.c,v 1.2 1996/02/10 15:54:48 markm Exp $ - */ - -/* 21-Nov-95 - eay - I've finally put this into libdes, I have made a - * few changes since it need to compile on all version of unix and - * there were a few things that would not :-) */ - -#include <fcntl.h> -#include <stdio.h> -#include <unistd.h> -#include <sys/time.h> -#include <sys/param.h> -#include <sys/sysctl.h> -#include <machine/types.h> - -#include "des_locl.h" - -/* This counter keeps track of the pseudo-random sequence */ -static union { - unsigned long ul0, ul1; - unsigned char uc[8]; -} counter; - -/* The current encryption schedule */ -static des_key_schedule current_key; - -/* - * des_set_random_generator_seed: starts a new pseudorandom sequence - * dependant on the supplied key - */ -void -des_set_random_generator_seed(new_key) - des_cblock *new_key; -{ - des_key_sched(new_key, current_key); - - /* reset the counter */ - counter.ul0 = counter.ul1 = 0; -} - -/* - * des_set_sequence_number: set the counter to a known value - */ -void -des_set_sequence_number(new_counter) - des_cblock new_counter; -{ - memcpy((char *)counter.uc,(char *)new_counter,sizeof(counter)); -} - -/* - * des_generate_random_block: returns the next 64 bit random number - */ - -void des_generate_random_block(random_block) - des_cblock *random_block; -{ - /* Encrypt the counter to get pseudo-random numbers */ - des_ecb_encrypt(&counter.uc, random_block, current_key, DES_ENCRYPT); - - /* increment the 64-bit counter - * (or that could be a 128 bit counter on a 64 bit box - eay */ - if (!++counter.ul0) counter.ul1++; -} - -/* - * des_new_random_key: Invents a new, random strong key with odd parity. - */ -int -des_new_random_key(new_key) - des_cblock *new_key; -{ - do { - des_generate_random_block(new_key); - des_set_odd_parity(new_key); - } while (des_is_weak_key(new_key)); - return(0); -} - -/* - * des_init_random_number_generator: intialises the random number generator - * to a truly nasty sequence using system - * supplied volatile variables. - */ -void -des_init_random_number_generator(key) - des_cblock *key; -{ - /* 64-bit structures */ - struct { - u_int32_t pid; - u_int32_t hostid; - } sysblock; - struct timeval timeblock; - struct { - u_int32_t tv_sec; - u_int32_t tv_usec; - } time64bit; - u_int32_t devrandom[2]; - des_cblock new_key; - int mib[2]; - size_t len; - int dr; - - /* Get host ID using official BSD 4.4 method */ - mib[0] = CTL_KERN; - mib[1] = KERN_HOSTID; - len = sizeof(sysblock.hostid); - sysctl(mib, 2, &sysblock.hostid, &len, NULL, 0); - - /* Get Process ID */ - sysblock.pid = getpid(); - - /* Generate a new key, and use it to seed the random generator */ - des_set_random_generator_seed(key); - des_set_sequence_number((unsigned char *)&sysblock); - des_new_random_key(&new_key); - des_set_random_generator_seed(&new_key); - - /* Try to confuse the sequence counter */ - gettimeofday(&timeblock, NULL); - time64bit.tv_sec = (u_int32_t)timeblock.tv_sec; - time64bit.tv_usec = (u_int32_t)timeblock.tv_usec; - /* If /dev/random is available, read some muck */ - dr = open("/dev/random", O_RDONLY); - if (dr >= 0) { - /* Set the descriptor into non-blocking mode. */ - fcntl(dr, F_SETFL, O_NONBLOCK); - len = read(dr, devrandom, sizeof(devrandom)); - close(dr); - if (len > 0) { - time64bit.tv_sec ^= devrandom[0]; - time64bit.tv_usec ^= devrandom[1]; - } -#ifdef DEBUG - printf("DEBUG: read from /dev/random %d %x %x\n", - len, devrandom[0], devrandom[1]); -#endif - } -#ifdef DEBUG - else printf("Cannot open /dev/random\n"); -#endif - des_set_sequence_number((unsigned char *)&time64bit); - - /* Do the work */ - des_new_random_key(&new_key); - des_set_random_generator_seed(&new_key); -} |