-/* 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).
+/*
+ * Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+/*
+ * Modified by VMS Software, Inc (2016)
+ * Eliminate looping through all processes (performance)
+ * Add additional randomizations using rand() function
*/
#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>
+# include <efndef>
+# ifdef __DECC
+# pragma message disable DOLLARID
+# endif
-#include <descrip.h>
-#include <jpidef.h>
-#include <ssdef.h>
-#include <starlet.h>
-#ifdef __DECC
-# pragma message disable DOLLARID
-#endif
-
-/* Use 32-bit pointers almost everywhere. Define the type to which to
- * cast a pointer passed to an external function.
+/*
+ * Use 32-bit pointers almost everywhere. Define the type to which to cast a
+ * pointer passed to an external function.
*/
-#if __INITIAL_POINTER_SIZE == 64
-# define PTR_T __void_ptr64
-# pragma pointer_size save
-# pragma pointer_size 32
-#else /* __INITIAL_POINTER_SIZE == 64 */
-# define PTR_T void *
-#endif /* __INITIAL_POINTER_SIZE == 64 [else] */
-
-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$_WSSIZE },
- { 0, 0 }
- };
-
+# if __INITIAL_POINTER_SIZE == 64
+# define PTR_T __void_ptr64
+# pragma pointer_size save
+# pragma pointer_size 32
+# else /* __INITIAL_POINTER_SIZE == 64 */
+# define PTR_T void *
+# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
+
+static struct items_data_st {
+ short length, code; /* length is number of bytes */
+} items_data[] = {
+ {4, JPI$_BUFIO},
+ {4, JPI$_CPUTIM},
+ {4, JPI$_DIRIO},
+ {4, JPI$_IMAGECOUNT},
+ {8, JPI$_LAST_LOGIN_I},
+ {8, JPI$_LOGINTIM},
+ {4, JPI$_PAGEFLTS},
+ {4, JPI$_PID},
+ {4, JPI$_PPGCNT},
+ {4, JPI$_WSPEAK},
+ {4, JPI$_FINALEXC},
+ {0, 0} /* zero terminated */
+};
+
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$_NORMAL)
- {
- RAND_add( (PTR_T)data_buffer, total_length,
- total_length/2);
- }
- }
- sys$gettim(iosb);
- RAND_add( (PTR_T)iosb, sizeof(iosb), sizeof(iosb)/2);
- return 1;
+{
+
+ /* determine the number of items in the JPI array */
+
+ struct items_data_st item_entry;
+ int item_entry_count = sizeof(items_data)/sizeof(item_entry);
+
+ /* Create the JPI itemlist array to hold item_data content */
+
+ struct {
+ short length, code;
+ int *buffer;
+ int *retlen;
+ } item[item_entry_count], *pitem; /* number of entries in items_data */
+
+ struct items_data_st *pitems_data;
+ int data_buffer[(item_entry_count*2)+4]; /* 8 bytes per entry max */
+ int iosb[2];
+ int sys_time[2];
+ int *ptr;
+ int i, j ;
+ int tmp_length = 0;
+ int total_length = 0;
+
+ pitems_data = items_data;
+ pitem = item;
+
+
+ /* Setup itemlist for GETJPI */
+ while (pitems_data->length) {
+ pitem->length = pitems_data->length;
+ pitem->code = pitems_data->code;
+ pitem->buffer = &data_buffer[total_length];
+ pitem->retlen = 0;
+ /* total_length is in longwords */
+ total_length += pitems_data->length/4;
+ pitems_data++;
+ pitem ++;
+ }
+ pitem->length = pitem->code = 0;
+
+ /* Fill data_buffer with various info bits from this process */
+ /* and twist that data to seed the SSL random number init */
+
+ if (sys$getjpiw(EFN$C_ENF, NULL, NULL, item, &iosb, 0, 0) == SS$_NORMAL) {
+ for (i = 0; i < total_length; i++) {
+ sys$gettim((struct _generic_64 *)&sys_time[0]);
+ srand(sys_time[0] * data_buffer[0] * data_buffer[1] + i);
+
+ if (i == (total_length - 1)) { /* for JPI$_FINALEXC */
+ ptr = &data_buffer[i];
+ for (j = 0; j < 4; j++) {
+ data_buffer[i + j] = ptr[j];
+ /* OK to use rand() just to scramble the seed */
+ data_buffer[i + j] ^= (sys_time[0] ^ rand());
+ tmp_length++;
+ }
+ } else {
+ /* OK to use rand() just to scramble the seed */
+ data_buffer[i] ^= (sys_time[0] ^ rand());
+ }
+ }
+
+ total_length += (tmp_length - 1);
+
+ /* size of seed is total_length*4 bytes (64bytes) */
+ RAND_add((PTR_T) data_buffer, total_length*4, total_length * 2);
+ } else {
+ return 0;
+ }
+
+ return 1;
}
#endif
projects / cassiopeia.git / blobdiff