2 * Written by Richard Levitte <richard@levitte.org> for the OpenSSL project
5 /* ====================================================================
6 * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * openssl-core@openssl.org.
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
59 #include <openssl/rand.h>
62 #if defined(OPENSSL_SYS_VMS)
69 # pragma message disable DOLLARID
73 * Use 32-bit pointers almost everywhere. Define the type to which to cast a
74 * pointer passed to an external function.
76 # if __INITIAL_POINTER_SIZE == 64
77 # define PTR_T __void_ptr64
78 # pragma pointer_size save
79 # pragma pointer_size 32
80 # else /* __INITIAL_POINTER_SIZE == 64 */
82 # endif /* __INITIAL_POINTER_SIZE == 64 [else] */
84 static struct items_data_st {
85 short length, code; /* length is amount of bytes */
122 unsigned char data_buffer[256];
123 short total_length = 0;
124 struct items_data_st *pitems_data;
126 pitems_data = items_data;
130 while (pitems_data->length && (total_length + pitems_data->length <= 256)) {
131 pitem->length = pitems_data->length;
132 pitem->code = pitems_data->code;
133 pitem->buffer = (long *)&data_buffer[total_length];
135 total_length += pitems_data->length;
139 pitem->length = pitem->code = 0;
142 * Scan through all the processes in the system and add entropy with
143 * results from the processes that were possible to look at.
144 * However, view the information as only half trustable.
146 pid = -1; /* search context */
147 while ((status = sys$getjpiw(0, &pid, 0, item, iosb, 0, 0))
149 if (status == SS$_NORMAL) {
150 RAND_add((PTR_T) data_buffer, total_length, total_length / 2);
154 RAND_add((PTR_T) iosb, sizeof(iosb), sizeof(iosb) / 2);