softDSA.h revision b60f2a0b921611326383e4789e0874e9e8a2e708
/*
* 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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SOFTDSA_H
#define _SOFTDSA_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#include <security/pkcs11t.h>
#include <bignum.h>
#include "softObject.h"
#include "softSession.h"
/* DSA Signature is always 40 bytes */
#define DSA_SIGNATURE_LENGTH 40
#define MAX_DSA_KEY_LEN (1024 >> 3)
#define MIN_DSA_KEY_LEN (512 >> 3)
#define DSA_SUBPRIME_BITS 160
#define DSA_SUBPRIME_BYTES (DSA_SUBPRIME_BITS >> 3)
typedef struct soft_dsa_ctx {
soft_object_t *key;
} soft_dsa_ctx_t;
typedef struct {
int size; /* key size in bits */
BIGNUM q; /* q (160-bit prime) */
BIGNUM p; /* p (<size-bit> prime) */
BIGNUM g; /* g (the base) */
BIGNUM x; /* private key (< q) */
BIGNUM y; /* = g^x mod p */
BIGNUM k; /* k (random number < q) */
BIGNUM r; /* r (signiture 1st part) */
BIGNUM s; /* s (signiture 2nd part) */
BIGNUM v; /* v (verification value - should be = r ) */
BIGNUM p_rr; /* 2^(2*(32*p->len)) mod p */
BIGNUM q_rr; /* 2^(2*(32*q->len)) mod q */
} DSAkey;
/*
* Function Prototypes.
*/
/* DSA */
CK_RV soft_dsa_sign_verify_init_common(soft_session_t *, CK_MECHANISM_PTR,
soft_object_t *, boolean_t);
CK_RV soft_dsa_verify(soft_session_t *, CK_BYTE_PTR, CK_ULONG,
CK_BYTE_PTR, CK_ULONG);
CK_RV soft_dsa_sign(soft_session_t *, CK_BYTE_PTR, CK_ULONG,
CK_BYTE_PTR, CK_ULONG_PTR);
BIG_ERR_CODE DSA_key_init(DSAkey *, int);
void DSA_key_finish(DSAkey *);
CK_RV soft_dsa_genkey_pair(soft_object_t *, soft_object_t *);
CK_RV soft_dsa_digest_sign_common(soft_session_t *, CK_BYTE_PTR,
CK_ULONG, CK_BYTE_PTR, CK_ULONG_PTR, boolean_t);
CK_RV soft_dsa_digest_verify_common(soft_session_t *, CK_BYTE_PTR,
CK_ULONG, CK_BYTE_PTR, CK_ULONG, boolean_t);
#ifdef __cplusplus
}
#endif
#endif /* _SOFTDSA_H */