usr/src/common/crypto/sha1/sha1_impl.h

   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 #ifndef _SHA1_IMPL_H
  27 #define _SHA1_IMPL_H
  28
  29
  30 #ifdef __cplusplus
  31 extern "C" {
  32 #endif
  33
  34 #ifdef _KERNEL
  35 #define SHA1_HASH_SIZE          20      /* SHA_1 digest length in bytes */
  36 #define SHA1_DIGEST_LENGTH      20      /* SHA1 digest length in bytes */
  37 #define SHA1_HMAC_BLOCK_SIZE    64      /* SHA1-HMAC block size */
  38 #define SHA1_HMAC_MIN_KEY_LEN   1       /* SHA1-HMAC min key length in bytes */
  39 #define SHA1_HMAC_MAX_KEY_LEN   INT_MAX /* SHA1-HMAC max key length in bytes */
  40 #define SHA1_HMAC_INTS_PER_BLOCK        (SHA1_HMAC_BLOCK_SIZE/sizeof (uint32_t))
  41
  42 /*
  43  * CSPI information (entry points, provider info, etc.)
  44  */
  45 typedef enum sha1_mech_type {
  46         SHA1_MECH_INFO_TYPE,            /* SUN_CKM_SHA1 */
  47         SHA1_HMAC_MECH_INFO_TYPE,       /* SUN_CKM_SHA1_HMAC */
  48         SHA1_HMAC_GEN_MECH_INFO_TYPE    /* SUN_CKM_SHA1_HMAC_GENERAL */
  49 } sha1_mech_type_t;
  50
  51 /*
  52  * Context for SHA1 mechanism.
  53  */
  54 typedef struct sha1_ctx {
  55         sha1_mech_type_t        sc_mech_type;   /* type of context */
  56         SHA1_CTX                sc_sha1_ctx;    /* SHA1 context */
  57 } sha1_ctx_t;
  58
  59 /*
  60  * Context for SHA1-HMAC and SHA1-HMAC-GENERAL mechanisms.
  61  */
  62 typedef struct sha1_hmac_ctx {
  63         sha1_mech_type_t        hc_mech_type;   /* type of context */
  64         uint32_t                hc_digest_len;  /* digest len in bytes */
  65         SHA1_CTX                hc_icontext;    /* inner SHA1 context */
  66         SHA1_CTX                hc_ocontext;    /* outer SHA1 context */
  67 } sha1_hmac_ctx_t;
  68
  69 #endif
  70
  71 #ifdef  __cplusplus
  72 }
  73 #endif
  74
  75 #endif /* _SHA1_IMPL_H */