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Diffstat (limited to 'security/openssl/files/rnd_keys.c')
-rw-r--r--security/openssl/files/rnd_keys.c444
1 files changed, 0 insertions, 444 deletions
diff --git a/security/openssl/files/rnd_keys.c b/security/openssl/files/rnd_keys.c
deleted file mode 100644
index 454ceb43ae7d..000000000000
--- a/security/openssl/files/rnd_keys.c
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@@ -1,444 +0,0 @@
-/*
- * Copyright (c) 1995, 1996, 1997, 1999 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * 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 the Kungliga Tekniska
- * Högskolan and its contributors.
- *
- * 4. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
- *
- * $Id$
- * $FreeBSD: /tmp/pcvs/ports/security/openssl/files/Attic/rnd_keys.c,v 1.1 2002-10-25 20:41:47 dinoex Exp $
- */
-
-#include <openssl/des.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-
-#ifndef RETSIGTYPE
-#define RETSIGTYPE void
-#define SIGRETURN(x) return
-#else
-#define SIGRETURN(x) return (RETSIGTYPE)(x)
-#endif
-
-/*
- * Generate "random" data by checksumming a file.
- *
- * Returns -1 if there were any problems with permissions or I/O
- * errors.
- */
-static
-int
-sumFile (const char *name, int len, void *res)
-{
- u_int32_t sum[2];
- u_int32_t buf[1024*2];
- int fd, i;
-
- fd = open (name, 0);
- if (fd < 0)
- return -1;
-
- while (len > 0)
- {
- int n = read(fd, buf, sizeof(buf));
- if (n < 0)
- {
- close(fd);
- return n;
- }
- for (i = 0; i < (n/sizeof(buf[0])); i++)
- {
- sum[0] += buf[i];
- i++;
- sum[1] += buf[i];
- }
- len -= n;
- }
- close (fd);
- memcpy (res, &sum, sizeof(sum));
- return 0;
-}
-
-/*
- * Create a sequence of random 64 bit blocks.
- * The sequence is indexed with a long long and
- * based on an initial des key used as a seed.
- */
-static des_key_schedule sequence_seed;
-static u_int32_t sequence_index[2];
-
-/*
- * Random number generator based on ideas from truerand in cryptolib
- * as described on page 424 in Applied Cryptography 2 ed. by Bruce
- * Schneier.
- */
-
-static volatile int counter;
-static volatile unsigned char *gdata; /* Global data */
-static volatile int igdata; /* Index into global data */
-static int gsize;
-
-#if !defined(WIN32) && !defined(__EMX__) && !defined(__OS2__) && !defined(__CYGWIN32__)
-/* Visual C++ 4.0 (Windows95/NT) */
-
-static
-RETSIGTYPE
-sigALRM(int sig)
-{
- if (igdata < gsize)
- gdata[igdata++] ^= counter & 0xff;
-
-#ifndef HAVE_SIGACTION
- signal(SIGALRM, sigALRM); /* Reinstall SysV signal handler */
-#endif
- SIGRETURN(0);
-}
-
-#endif
-
-#if !defined(HAVE_RANDOM) && defined(HAVE_RAND)
-#ifndef srandom
-#define srandom srand
-#endif
-#ifndef random
-#define random rand
-#endif
-#endif
-
-static void
-des_not_rand_data(unsigned char *data, int size)
-{
- int i;
-
- srandom (time (NULL));
-
- for(i = 0; i < size; ++i)
- data[i] ^= random() % 0x100;
-}
-
-#if !defined(WIN32) && !defined(__EMX__) && !defined(__OS2__) && !defined(__CYGWIN32__)
-
-#ifndef HAVE_SETITIMER
-static void
-pacemaker(struct timeval *tv)
-{
- fd_set fds;
- pid_t pid;
- pid = getppid();
- while(1){
- FD_ZERO(&fds);
- FD_SET(0, &fds);
- select(1, &fds, NULL, NULL, tv);
- kill(pid, SIGALRM);
- }
-}
-#endif
-
-#ifdef HAVE_SIGACTION
-/* XXX ugly hack, should perhaps use function from roken */
-static RETSIGTYPE
-(*fake_signal(int sig, RETSIGTYPE (*f)(int)))(int)
-{
- struct sigaction sa, osa;
- sa.sa_handler = f;
- sa.sa_flags = 0;
- sigemptyset(&sa.sa_mask);
- sigaction(sig, &sa, &osa);
- return osa.sa_handler;
-}
-#define signal(S, F) fake_signal((S), (F))
-#endif
-
-/*
- * Generate size bytes of "random" data using timed interrupts.
- * It takes about 40ms/byte random data.
- * It's not neccessary to be root to run it.
- */
-void
-des_rand_data(unsigned char *data, int size)
-{
- struct itimerval tv;
-#ifdef HAVE_SETITIMER
- struct itimerval otv;
-#endif
- RETSIGTYPE (*osa)(int);
- int i, j;
-#ifndef HAVE_SETITIMER
- RETSIGTYPE (*ochld)(int);
- pid_t pid;
-#endif
- char *rnd_devices[] = {"/dev/random",
- "/dev/srandom",
- "/dev/urandom",
- NULL};
- char **p;
-
- for(p = rnd_devices; *p; p++) {
- int fd = open(*p, O_RDONLY | O_NDELAY);
-
- if(fd >= 0 && read(fd, data, size) == size) {
- close(fd);
- return;
- }
- close(fd);
- }
-
- /* Paranoia? Initialize data from /dev/mem if we can read it. */
- if (size >= 8)
- sumFile("/dev/mem", (1024*1024*2), data);
-
- gdata = data;
- gsize = size;
- igdata = 0;
-
- osa = signal(SIGALRM, sigALRM);
-
- /* Start timer */
- tv.it_value.tv_sec = 0;
- tv.it_value.tv_usec = 10 * 1000; /* 10 ms */
- tv.it_interval = tv.it_value;
-#ifdef HAVE_SETITIMER
- setitimer(ITIMER_REAL, &tv, &otv);
-#else
- ochld = signal(SIGCHLD, SIG_IGN);
- pid = fork();
- if(pid == -1){
- signal(SIGCHLD, ochld != SIG_ERR ? ochld : SIG_DFL);
- des_not_rand_data(data, size);
- return;
- }
- if(pid == 0)
- pacemaker(&tv.it_interval);
-#endif
-
- for(i = 0; i < 4; i++) {
- for (igdata = 0; igdata < size;) /* igdata++ in sigALRM */
- counter++;
- for (j = 0; j < size; j++) /* Only use 2 bits each lap */
- gdata[j] = (gdata[j]>>2) | (gdata[j]<<6);
- }
-#ifdef HAVE_SETITIMER
- setitimer(ITIMER_REAL, &otv, 0);
-#else
- kill(pid, SIGKILL);
- while(waitpid(pid, NULL, 0) != pid);
- signal(SIGCHLD, ochld != SIG_ERR ? ochld : SIG_DFL);
-#endif
- signal(SIGALRM, osa != SIG_ERR ? osa : SIG_DFL);
-}
-#else
-void
-des_rand_data(unsigned char *p, int s)
-{
- des_not_rand_data (p, s);
-}
-#endif
-
-void
-des_generate_random_block(des_cblock *block)
-{
- des_rand_data((unsigned char *)block, sizeof(*block));
-}
-
-/*
- * Generate a "random" DES key.
- */
-void
-des_rand_data_key(des_cblock *key)
-{
- unsigned char data[8];
- des_key_schedule sched;
- do {
- des_rand_data(data, sizeof(data));
- des_rand_data((unsigned char*)key, sizeof(des_cblock));
- des_set_odd_parity(key);
- des_key_sched(key, sched);
- des_ecb_encrypt(&data, key, sched, DES_ENCRYPT);
- memset(&data, 0, sizeof(data));
- memset(&sched, 0, sizeof(sched));
- des_set_odd_parity(key);
- } while(des_is_weak_key(key));
-}
-
-/*
- * Generate "random" data by checksumming /dev/mem
- *
- * It's neccessary to be root to run it. Returns -1 if there were any
- * problems with permissions.
- */
-int
-des_mem_rand8(unsigned char *data)
-{
- return 1;
-}
-
-/*
- * In case the generator does not get initialized use this as fallback.
- */
-static int initialized;
-
-static void
-do_initialize(void)
-{
- des_cblock default_seed;
- do {
- des_generate_random_block(&default_seed);
- des_set_odd_parity(&default_seed);
- } while (des_is_weak_key(&default_seed));
- des_init_random_number_generator(&default_seed);
-}
-
-#define zero_long_long(ll) do { ll[0] = ll[1] = 0; } while (0)
-
-#define incr_long_long(ll) do { if (++ll[0] == 0) ++ll[1]; } while (0)
-
-#define set_sequence_number(ll) \
-memcpy((char *)sequence_index, (ll), sizeof(sequence_index));
-
-/*
- * Set the sequnce number to this value (a long long).
- */
-void
-des_set_sequence_number(unsigned char *ll)
-{
- set_sequence_number(ll);
-}
-
-/*
- * Set the generator seed and reset the sequence number to 0.
- */
-void
-des_set_random_generator_seed(des_cblock *seed)
-{
- des_key_sched(seed, sequence_seed);
- zero_long_long(sequence_index);
- initialized = 1;
-}
-
-/*
- * Generate a sequence of random des keys
- * using the random block sequence, fixup
- * parity and skip weak keys.
- */
-int
-des_new_random_key(des_cblock *key)
-{
- if (!initialized)
- do_initialize();
-
- do {
- des_ecb_encrypt((des_cblock *) sequence_index,
- key,
- sequence_seed,
- DES_ENCRYPT);
- incr_long_long(sequence_index);
- /* random key must have odd parity and not be weak */
- des_set_odd_parity(key);
- } while (des_is_weak_key(key));
- return(0);
-}
-
-/*
- * des_init_random_number_generator:
- *
- * Initialize the sequence of random 64 bit blocks. The input seed
- * can be a secret key since it should be well hidden and is also not
- * kept.
- *
- */
-void
-des_init_random_number_generator(des_cblock *seed)
-{
- struct timeval now;
- des_cblock uniq;
- des_cblock new_key;
-
- gettimeofday(&now, (struct timezone *)0);
- des_generate_random_block(&uniq);
-
- /* Pick a unique random key from the shared sequence. */
- des_set_random_generator_seed(seed);
- set_sequence_number((unsigned char *)&uniq);
- des_new_random_key(&new_key);
-
- /* Select a new nonshared sequence, */
- des_set_random_generator_seed(&new_key);
-
- /* and use the current time to pick a key for the new sequence. */
- set_sequence_number((unsigned char *)&now);
- des_new_random_key(&new_key);
- des_set_random_generator_seed(&new_key);
-}
-
-#ifdef TESTRUN
-int
-main()
-{
- unsigned char data[8];
- int i;
-
- while (1)
- {
- if (sumFile("/dev/mem", (1024*1024*8), data) != 0)
- { perror("sumFile"); exit(1); }
- for (i = 0; i < 8; i++)
- printf("%02x", data[i]);
- printf("\n");
- }
-}
-#endif
-
-#ifdef TESTRUN2
-int
-main()
-{
- des_cblock data;
- int i;
-
- while (1)
- {
- do_initialize();
- des_random_key(data);
- for (i = 0; i < 8; i++)
- printf("%02x", data[i]);
- printf("\n");
- }
-}
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-02-14 12:41:57 +0000