include/sys/sha2.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 https://opensource.org/licenses/CDDL-1.0.
  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 /*
  23  * Copyright (c) 2022 Tino Reichardt <milky-zfs@mcmilk.de>
  24  */
  25
  26 #ifndef _SYS_SHA2_H
  27 #define _SYS_SHA2_H
  28
  29 #ifdef  _KERNEL
  30 #include <sys/types.h>
  31 #else
  32 #include <stdint.h>
  33 #include <stdlib.h>
  34 #endif
  35
  36 #ifdef __cplusplus
  37 extern "C" {
  38 #endif
  39
  40 #define SHA224_BLOCK_LENGTH             64
  41 #define SHA256_BLOCK_LENGTH             64
  42 #define SHA384_BLOCK_LENGTH             128
  43 #define SHA512_BLOCK_LENGTH             128
  44
  45 #define SHA224_DIGEST_LENGTH            28
  46 #define SHA256_DIGEST_LENGTH            32
  47 #define SHA384_DIGEST_LENGTH            48
  48 #define SHA512_DIGEST_LENGTH            64
  49
  50 #define SHA512_224_DIGEST_LENGTH        28
  51 #define SHA512_256_DIGEST_LENGTH        32
  52
  53 #define SHA256_HMAC_BLOCK_SIZE          64
  54 #define SHA512_HMAC_BLOCK_SIZE          128
  55
  56 /* sha256 context */
  57 typedef struct {
  58         uint32_t state[8];
  59         uint64_t count[2];
  60         uint8_t wbuf[64];
  61
  62         /* const sha256_ops_t *ops */
  63         const void *ops;
  64 } sha256_ctx;
  65
  66 /* sha512 context */
  67 typedef struct {
  68         uint64_t state[8];
  69         uint64_t count[2];
  70         uint8_t wbuf[128];
  71
  72         /* const sha256_ops_t *ops */
  73         const void *ops;
  74 } sha512_ctx;
  75
  76 /* SHA2 context */
  77 typedef struct {
  78         union {
  79                 sha256_ctx sha256;
  80                 sha512_ctx sha512;
  81         };
  82
  83         /* algorithm type */
  84         int algotype;
  85 } SHA2_CTX;
  86
  87 /* SHA2 algorithm types */
  88 typedef enum sha2_mech_type {
  89         SHA256_MECH_INFO_TYPE,          /* SUN_CKM_SHA256 */
  90         SHA256_HMAC_MECH_INFO_TYPE,     /* SUN_CKM_SHA256_HMAC */
  91         SHA256_HMAC_GEN_MECH_INFO_TYPE, /* SUN_CKM_SHA256_HMAC_GENERAL */
  92         SHA384_MECH_INFO_TYPE,          /* SUN_CKM_SHA384 */
  93         SHA384_HMAC_MECH_INFO_TYPE,     /* SUN_CKM_SHA384_HMAC */
  94         SHA384_HMAC_GEN_MECH_INFO_TYPE, /* SUN_CKM_SHA384_HMAC_GENERAL */
  95         SHA512_MECH_INFO_TYPE,          /* SUN_CKM_SHA512 */
  96         SHA512_HMAC_MECH_INFO_TYPE,     /* SUN_CKM_SHA512_HMAC */
  97         SHA512_HMAC_GEN_MECH_INFO_TYPE, /* SUN_CKM_SHA512_HMAC_GENERAL */
  98         SHA512_224_MECH_INFO_TYPE,      /* SUN_CKM_SHA512_224 */
  99         SHA512_256_MECH_INFO_TYPE       /* SUN_CKM_SHA512_256 */
 100 } sha2_mech_type_t;
 101
 102 #define SHA256                  0
 103 #define SHA256_HMAC             1
 104 #define SHA256_HMAC_GEN         2
 105 #define SHA384                  3
 106 #define SHA384_HMAC             4
 107 #define SHA384_HMAC_GEN         5
 108 #define SHA512                  6
 109 #define SHA512_HMAC             7
 110 #define SHA512_HMAC_GEN         8
 111 #define SHA512_224              9
 112 #define SHA512_256              10
 113
 114 /* SHA2 Init function */
 115 extern void SHA2Init(int algotype, SHA2_CTX *ctx);
 116
 117 /* SHA2 Update function */
 118 extern void SHA2Update(SHA2_CTX *ctx, const void *data, size_t len);
 119
 120 /* SHA2 Final function */
 121 extern void SHA2Final(void *digest, SHA2_CTX *ctx);
 122
 123 #ifdef __cplusplus
 124 }
 125 #endif
 126
 127 #endif  /* SYS_SHA2_H */