xref: /onnv-gate/usr/src/common/crypto/fips/fips_random_util.c (revision 10500:a10fbcfc2f21)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #include <sys/types.h>
27 #include <sys/param.h>
28 #include <sys/errno.h>
29 #include <sys/kmem.h>
30 #include <sys/systm.h>
31 #include <sys/sha1.h>
32 #include <sys/crypto/common.h>
33 #include <sys/cmn_err.h>
34 #ifndef _KERNEL
35 #include <stdlib.h>
36 #include <string.h>
37 #include <strings.h>
38 #include <stdio.h>
39 #include <security/cryptoki.h>
40 #include <cryptoutil.h>
41 #include "softMAC.h"
42 #endif
43 #include <rng/fips_random.h>
44 
45 
46 int
fips_rng_post(void)47 fips_rng_post(void)
48 {
49 	static uint8_t XKeyValue[] = {
50 		0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
51 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
52 		0x00, 0x00, 0x00, 0x00
53 	};
54 
55 	static uint8_t XSeed[] = {
56 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
57 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
58 		0x00, 0x00, 0x00, 0x00
59 	};
60 
61 	static uint8_t rng_known_GENX[] = {
62 		0xda, 0x39, 0xa3, 0xee, 0x5e, 0x6b, 0x4b, 0x0d,
63 		0x32, 0x55, 0xbf, 0xef, 0x95, 0x60, 0x18, 0x90,
64 		0xaf, 0xd8, 0x07, 0x09
65 	};
66 
67 	uint8_t GENX[SHA1_HASH_SIZE];
68 	uint8_t XKey[SHA1_HASH_SIZE];
69 
70 	(void) memcpy(XKey, XKeyValue, SHA1_HASH_SIZE);
71 
72 	/* Generate X with a known seed. */
73 	fips_random_inner(
74 	    /* LINTED E_BAD_PTR_CAST_ALIGN */
75 	    (uint32_t *)
76 	    XKey,
77 	    /* LINTED E_BAD_PTR_CAST_ALIGN */
78 	    (uint32_t *)
79 	    GENX,
80 	    /* LINTED E_BAD_PTR_CAST_ALIGN */
81 	    (uint32_t *)
82 	    XSeed);
83 
84 	/* Verify GENX to perform the RNG integrity check */
85 	if ((memcmp(GENX, rng_known_GENX, (SHA1_HASH_SIZE)) != 0))
86 		return (CKR_DEVICE_ERROR);
87 	else
88 		return (CKR_OK);
89 }
90