/* crypto/rand/rand_vms.c -*- mode:C; c-file-style: "eay" -*- */ /* Written by Richard Levitte <richard@levitte.org> for the OpenSSL * project 2000. */ /* ==================================================================== * Copyright (c) 1998-2000 The OpenSSL Project. 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 acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * openssl-core@openssl.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.openssl.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED 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 OpenSSL PROJECT OR * ITS 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. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ #include <openssl/rand.h> #include "rand_lcl.h" #if defined(OPENSSL_SYS_VMS) #include <descrip.h> #include <jpidef.h> #include <ssdef.h> #include <starlet.h> #ifdef __DECC # pragma message disable DOLLARID #endif static struct items_data_st { short length, code; /* length is amount of bytes */ } items_data[] = { { 4, JPI$_BUFIO }, { 4, JPI$_CPUTIM }, { 4, JPI$_DIRIO }, { 8, JPI$_LOGINTIM }, { 4, JPI$_PAGEFLTS }, { 4, JPI$_PID }, { 4, JPI$_WSSIZE }, { 0, 0 } }; int RAND_poll(void) { long pid, iosb[2]; int status = 0; struct { short length, code; long *buffer; int *retlen; } item[32], *pitem; unsigned char data_buffer[256]; short total_length = 0; struct items_data_st *pitems_data; pitems_data = items_data; pitem = item; /* Setup */ while (pitems_data->length && (total_length + pitems_data->length <= 256)) { pitem->length = pitems_data->length; pitem->code = pitems_data->code; pitem->buffer = (long *)&data_buffer[total_length]; pitem->retlen = 0; total_length += pitems_data->length; pitems_data++; pitem++; } pitem->length = pitem->code = 0; /* * Scan through all the processes in the system and add entropy with * results from the processes that were possible to look at. * However, view the information as only half trustable. */ pid = -1; /* search context */ while ((status = sys$getjpiw(0, &pid, 0, item, iosb, 0, 0)) != SS$_NOMOREPROC) { if (status == SS$_NORMAL) { RAND_add(data_buffer, total_length, total_length/2); } } sys$gettim(iosb); RAND_add((unsigned char *)iosb, sizeof(iosb), sizeof(iosb)/2); return 1; } #endif