diff options
Diffstat (limited to 'openssl/crypto/rand/rand_vms.c')
| -rw-r--r-- | openssl/crypto/rand/rand_vms.c | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/openssl/crypto/rand/rand_vms.c b/openssl/crypto/rand/rand_vms.c new file mode 100644 index 000000000..1267a3aca --- /dev/null +++ b/openssl/crypto/rand/rand_vms.c @@ -0,0 +1,136 @@ +/* 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 |