text: /* wolfcaam_sha.h
   *
   * Copyright (C) 2006-2021 wolfSSL Inc.
   *
   * This file is part of wolfSSL.
   *
   * wolfSSL is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * wolfSSL is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
   */
  
  #ifndef WOLF_CRYPT_CAAM_SHA_H
  #define WOLF_CRYPT_CAAM_SHA_H
  
  #include <wolfssl/wolfcrypt/settings.h>
  
  #ifdef WOLFSSL_IMX6_CAAM
  
  #include <wolfssl/wolfcrypt/types.h>
  
  #define WOLFSSL_NO_HASH_RAW
  
  #ifndef WC_CAAM_CTXLEN
  /* last 8 bytes of context is for length */
  #define WC_CAAM_CTXLEN 8
  #endif
  
  #ifndef WC_CAAM_HASH_BLOCK
  /* define sha structures and also get the max possible digest. Start with SHA
     digest size */
  #define WC_CAAM_HASH_BLOCK 64
  #endif
  
  #ifndef WC_CAAM_MAX_DIGEST
  #define WC_CAAM_MAX_DIGEST 20
  #ifdef WOLFSSL_SHA224
      #undef WC_CAAM_MAX_DIGEST
      #define WC_CAAM_MAX_DIGEST 32
  #endif
  
  #ifndef NO_SHA256
      #undef WC_CAAM_MAX_DIGEST
      #define WC_CAAM_MAX_DIGEST 32
  #endif
  
  #ifdef WOLFSSL_SHA384
      #undef WC_CAAM_MAX_DIGEST
      #define WC_CAAM_MAX_DIGEST 64
  #endif
  
  #ifdef WOLFSSL_SHA512
      #undef WC_CAAM_MAX_DIGEST
      #define WC_CAAM_MAX_DIGEST 64
  #endif
  #endif /* WC_CAAM_MAX_DIGEST */
  
  
  typedef struct wc_Sha {
      word32  ctx[(WC_CAAM_MAX_DIGEST + WC_CAAM_CTXLEN) / sizeof(word32)];
      word32  buffLen;   /* in bytes          */
      word32  buffer[WC_CAAM_HASH_BLOCK  / sizeof(word32)];
  } wc_Sha;
  
  #ifndef NO_MD5
      typedef struct wc_Sha wc_Md5;
  #endif
  
  #ifndef NO_SHA256
      typedef struct wc_Sha wc_Sha256;
  #endif
  
  #ifdef WOLFSSL_SHA512
      typedef struct wc_Sha wc_Sha512;
  #endif
  
  #endif /* WOLFSSL_IMX6_CAAM */
  
  #endif /* WOLF_CRYPT_CAAM_SHA_H */
  