1 /* crypto/rand/rand_vms.c -*- mode:C; c-file-style: "eay" -*- */
3 * Written by Richard Levitte <richard@levitte.org> for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * openssl-core@openssl.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
60 #include <openssl/rand.h>
63 #if defined(OPENSSL_SYS_VMS)
70 # pragma message disable DOLLARID
73 static struct items_data_st {
74 short length, code; /* length is amount of bytes */
111 unsigned char data_buffer[256];
112 short total_length = 0;
113 struct items_data_st *pitems_data;
115 pitems_data = items_data;
119 while (pitems_data->length && (total_length + pitems_data->length <= 256)) {
120 pitem->length = pitems_data->length;
121 pitem->code = pitems_data->code;
122 pitem->buffer = (long *)&data_buffer[total_length];
124 total_length += pitems_data->length;
128 pitem->length = pitem->code = 0;
131 * Scan through all the processes in the system and add entropy with
132 * results from the processes that were possible to look at.
133 * However, view the information as only half trustable.
135 pid = -1; /* search context */
136 while ((status = sys$getjpiw(0, &pid, 0, item, iosb, 0, 0))
138 if (status == SS$_NORMAL) {
139 RAND_add(data_buffer, total_length, total_length / 2);
143 RAND_add((unsigned char *)iosb, sizeof(iosb), sizeof(iosb) / 2);