dh_impl.h revision 726fad2a65f16c200a03969c29cb5c86c2d427db
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#ifndef _DH_IMPL_H
#define _DH_IMPL_H
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#include <bignum.h>
#define MIN_DH_KEYLENGTH_IN_BYTES 8
#define MAX_DH_KEYLENGTH_IN_BYTES 512
#define DH_MIN_KEY_LEN 64
#define DH_MAX_KEY_LEN 4096
#ifdef _KERNEL
#include <sys/sunddi.h>
#include <sys/crypto/common.h>
#define CK_RV ulong_t
#define CKR_OK CRYPTO_SUCCESS
#define CKR_ARGUMENTS_BAD CRYPTO_ARGUMENTS_BAD
#define CKR_ATTRIBUTE_TYPE_INVALID CRYPTO_ATTRIBUTE_TYPE_INVALID
#define CKR_ATTRIBUTE_VALUE_INVALID CRYPTO_ATTRIBUTE_VALUE_INVALID
#define CKR_DEVICE_ERROR CRYPTO_DEVICE_ERROR
#define CKR_GENERAL_ERROR CRYPTO_GENERAL_ERROR
#define CKR_HOST_MEMORY CRYPTO_HOST_MEMORY
#define CKR_KEY_SIZE_RANGE CRYPTO_KEY_SIZE_RANGE
int random_get_bytes(uint8_t *ran_out, size_t ran_len);
int random_get_pseudo_bytes(uint8_t *ran_out, size_t ran_len);
#else
#include <security/cryptoki.h>
#include <security/pkcs11t.h>
#endif /* _KERNEL */
/* DH key using BIGNUM representations */
typedef struct {
int size; /* key size in bits */
BIGNUM p; /* p (prime) */
BIGNUM g; /* g (base) */
BIGNUM x; /* private value (random) */
BIGNUM y; /* public value (= g^x mod p) */
} DHkey;
/* DH key using byte string representations, useful for parameter lists */
typedef struct {
uint32_t prime_bits; /* size */
uchar_t *prime; /* p */
uint32_t base_bytes;
uchar_t *base; /* g */
uint32_t value_bits; /* for both x and y */
uchar_t *private_x; /* x */
uchar_t *public_y; /* y */
int (*rfunc)(void *, size_t); /* random function */
} DHbytekey;
CK_RV dh_genkey_pair(DHbytekey *bkey);
CK_RV dh_key_derive(DHbytekey *bkey, uint32_t key_type,
uchar_t *secretkey, uint32_t *secretkey_len);
#ifdef __cplusplus
}
#endif
#endif /* _DH_IMPL_H */