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/*
23 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
24 */
25
26#ifndef _DH_IMPL_H
27#define	_DH_IMPL_H
28
29#ifdef __cplusplus
30extern "C" {
31#endif
32
33#include <sys/types.h>
34#include <bignum.h>
35
36#define	MIN_DH_KEYLENGTH_IN_BYTES	8
37#define	MAX_DH_KEYLENGTH_IN_BYTES	512
38#define	DH_MIN_KEY_LEN		64
39#define	DH_MAX_KEY_LEN		4096
40
41#ifdef _KERNEL
42
43#include <sys/sunddi.h>
44#include <sys/crypto/common.h>
45
46#define	CK_RV			ulong_t
47
48#define	CKR_OK			CRYPTO_SUCCESS
49#define	CKR_ARGUMENTS_BAD	CRYPTO_ARGUMENTS_BAD
50#define	CKR_ATTRIBUTE_TYPE_INVALID	CRYPTO_ATTRIBUTE_TYPE_INVALID
51#define	CKR_ATTRIBUTE_VALUE_INVALID	CRYPTO_ATTRIBUTE_VALUE_INVALID
52#define	CKR_DEVICE_ERROR	CRYPTO_DEVICE_ERROR
53#define	CKR_GENERAL_ERROR	CRYPTO_GENERAL_ERROR
54#define	CKR_HOST_MEMORY		CRYPTO_HOST_MEMORY
55#define	CKR_KEY_SIZE_RANGE	CRYPTO_KEY_SIZE_RANGE
56
57int random_get_bytes(uint8_t *ran_out, size_t ran_len);
58int random_get_pseudo_bytes(uint8_t *ran_out, size_t ran_len);
59
60#else
61
62#include <security/cryptoki.h>
63#include <security/pkcs11t.h>
64
65#endif	/* _KERNEL */
66
67
68/* DH key using BIGNUM representations */
69typedef struct {
70	int 	size;		/* key size in bits */
71	BIGNUM	p;		/* p (prime) */
72	BIGNUM	g;		/* g (base) */
73	BIGNUM	x;		/* private value (random) */
74	BIGNUM	y;		/* public value (= g^x mod p) */
75} DHkey;
76
77/* DH key using byte string representations, useful for parameter lists */
78typedef struct {
79	uint32_t prime_bits;	/* size */
80	uchar_t	*prime;		/* p */
81	uint32_t base_bytes;
82	uchar_t *base;		/* g */
83	uint32_t value_bits;	/* for both x and y */
84	uchar_t	*private_x;	/* x */
85	uchar_t *public_y;	/* y */
86	int	(*rfunc)(void *, size_t);	/* random function */
87} DHbytekey;
88
89
90CK_RV dh_genkey_pair(DHbytekey *bkey);
91
92CK_RV dh_key_derive(DHbytekey *bkey, uint32_t key_type,
93    uchar_t *secretkey, uint32_t *secretkey_len, int flag);
94
95#ifdef	__cplusplus
96}
97#endif
98
99#endif /* _DH_IMPL_H */
100