/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SOFTMAC_H
#define _SOFTMAC_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/md5.h>
#include <sys/sha1.h>
#include <sys/sha2.h>
#include <security/pkcs11t.h>
#include "softSession.h"
#include "softObject.h"
#define MD5_HASH_SIZE 16 /* MD5 digest length in bytes */
#define SHA1_HASH_SIZE 20 /* SHA_1 digest length in bytes */
#define MD5_HMAC_BLOCK_SIZE 64 /* MD5 block size */
#define MD5_HMAC_INTS_PER_BLOCK (MD5_HMAC_BLOCK_SIZE/sizeof (uint32_t))
#define SHA1_HMAC_BLOCK_SIZE 64 /* SHA1-HMAC block size */
#define SHA1_HMAC_INTS_PER_BLOCK (SHA1_HMAC_BLOCK_SIZE/sizeof (uint32_t))
#define SHA256_HMAC_INTS_PER_BLOCK \
(SHA256_HMAC_BLOCK_SIZE/sizeof (uint64_t))
#define SHA512_HMAC_INTS_PER_BLOCK \
(SHA512_HMAC_BLOCK_SIZE/sizeof (uint64_t))
#define MD5_SSL_PAD_SIZE 48 /* MD5 SSL pad length in bytes */
/* 48 (MD5 SSL pad length in bytes) + 16 (key length in bytes) = 64 */
#define MD5_SSL_PAD_AND_KEY_SIZE 64
#define SHA1_SSL_PAD_SIZE 40 /* SHA1 SSL pad length in bytes */
/* 40 (SHA1 SSL pad length in bytes) + 20 (key length in bytes) = 104 */
#define SHA1_SSL_PAD_AND_KEY_SIZE 60
/*
* Context for MD5-HMAC and MD5-HMAC-GENERAL mechanisms.
*/
typedef struct md5_hc_ctx {
MD5_CTX hc_icontext; /* inner MD5 context */
MD5_CTX hc_ocontext; /* outer MD5 context */
} md5_hc_ctx_t;
/*
* Context for SHA1-HMAC and SHA1-HMAC-GENERAL mechanisms.
*/
typedef struct sha1_hc_ctx {
SHA1_CTX hc_icontext; /* inner SHA1 context */
SHA1_CTX hc_ocontext; /* outer SHA1 context */
} sha1_hc_ctx_t;
typedef struct sha2_hc_ctx {
SHA2_CTX hc_icontext; /* inner SHA2 context */
SHA2_CTX hc_ocontext; /* outer SHA2 context */
} sha2_hc_ctx_t;
/*
* Generic Context struct for HMAC.
*/
typedef struct soft_hmac_ctx {
size_t hmac_len; /* digest len in bytes */
union {
md5_hc_ctx_t md5_ctx;
sha1_hc_ctx_t sha1_ctx;
sha2_hc_ctx_t sha2_ctx;
} hc_ctx_u;
} soft_hmac_ctx_t;
/* Generic MAC envelop macros. Substitute HASH with MD5, SHA1, & SHA2 mechs */
#define SOFT_MAC_INIT_CTX(HASH, mac_ctx, ipad, opad, len) \
/* Perform HASH on ipad */ \
HASH##Init(&((mac_ctx)->hc_icontext)); \
HASH##Update(&((mac_ctx)->hc_icontext), ipad, len); \
/* Perform HASH on opad */ \
HASH##Init(&((mac_ctx)->hc_ocontext)); \
HASH##Update(&((mac_ctx)->hc_ocontext), opad, len);
#define SOFT_MAC_UPDATE(HASH, mac_ctx, pPart, PartLen) \
HASH##Update(&((mac_ctx)->hc_icontext), pPart, PartLen);
#define SOFT_MAC_FINAL(HASH, mac_ctx, mac) \
HASH##Final((mac), &((mac_ctx)->hc_icontext)); \
HASH##Update(&((mac_ctx)->hc_ocontext), (mac), HASH##_HASH_SIZE);\
HASH##Final((mac), &((mac_ctx)->hc_ocontext));
#define SOFT_MAC_FINAL_2(HASH, mac_ctx, mac) \
SHA2Final((mac), &((mac_ctx)->hc_icontext)); \
SHA2Update(&((mac_ctx)->hc_ocontext), (mac), HASH##_DIGEST_LENGTH); \
SHA2Final((mac), &((mac_ctx)->hc_ocontext));
#define CKM_TO_SHA2(ckm_value) \
(ckm_value % 0x10) + (((ckm_value - 0x250) / 0x10) * 3)
/*
* Function Prototypes.
*/
CK_RV soft_hmac_sign_verify_init_common(soft_session_t *, CK_MECHANISM_PTR,
soft_object_t *, boolean_t);
CK_RV mac_init_ctx(soft_session_t *session_p, soft_object_t *,
soft_hmac_ctx_t *, CK_MECHANISM_TYPE);
CK_RV soft_hmac_sign_verify_common(soft_session_t *, CK_BYTE_PTR,
CK_ULONG, CK_BYTE_PTR, CK_ULONG_PTR, boolean_t);
CK_RV soft_hmac_sign_verify_update(soft_session_t *, CK_BYTE_PTR,
CK_ULONG, boolean_t);
void md5_hmac_ctx_init(md5_hc_ctx_t *, uint32_t *, uint32_t *);
void sha1_hmac_ctx_init(sha1_hc_ctx_t *, uint32_t *, uint32_t *);
void sha2_hmac_ctx_init(uint_t mech, sha2_hc_ctx_t *, uint64_t *, uint64_t *,
uint_t, uint_t);
#ifdef __cplusplus
}
#endif
#endif /* _SOFTMAC_H */