module/icp/include/sha2/sha2_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 _SHA2_IMPL_H
  27 #define _SHA2_IMPL_H
  28
  29 #ifdef __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 typedef enum {
  34         SHA1_TYPE,
  35         SHA256_TYPE,
  36         SHA384_TYPE,
  37         SHA512_TYPE
  38 } sha2_mech_t;
  39
  40 /*
  41  * Context for SHA2 mechanism.
  42  */
  43 typedef struct sha2_ctx {
  44         sha2_mech_type_t        sc_mech_type;   /* type of context */
  45         SHA2_CTX                sc_sha2_ctx;    /* SHA2 context */
  46 } sha2_ctx_t;
  47
  48 /*
  49  * Context for SHA2 HMAC and HMAC GENERAL mechanisms.
  50  */
  51 typedef struct sha2_hmac_ctx {
  52         sha2_mech_type_t        hc_mech_type;   /* type of context */
  53         uint32_t                hc_digest_len;  /* digest len in bytes */
  54         SHA2_CTX                hc_icontext;    /* inner SHA2 context */
  55         SHA2_CTX                hc_ocontext;    /* outer SHA2 context */
  56 } sha2_hmac_ctx_t;
  57
  58 #ifdef  __cplusplus
  59 }
  60 #endif
  61
  62 #endif /* _SHA2_IMPL_H */