text: /* sha512.c
   *
   * Copyright (C) 2006-2020 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
   */
  
  
  #ifdef HAVE_CONFIG_H
      #include <config.h>
  #endif
  
  #include <wolfssl/wolfcrypt/settings.h>
  
  #if (defined(WOLFSSL_SHA512) || defined(WOLFSSL_SHA384)) && !defined(WOLFSSL_ARMASM) && !defined(WOLFSSL_PSOC6_CRYPTO)
  
  #if defined(HAVE_FIPS) && \
  	defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
  
      /* set NO_WRAPPERS before headers, use direct internal f()s not wrappers */
      #define FIPS_NO_WRAPPERS
  
      #ifdef USE_WINDOWS_API
          #pragma code_seg(".fipsA$k")
          #pragma const_seg(".fipsB$k")
      #endif
  #endif
  
  #include <wolfssl/wolfcrypt/sha512.h>
  #include <wolfssl/wolfcrypt/error-crypt.h>
  #include <wolfssl/wolfcrypt/cpuid.h>
  #include <wolfssl/wolfcrypt/hash.h>
  
  /* deprecated USE_SLOW_SHA2 (replaced with USE_SLOW_SHA512) */
  #if defined(USE_SLOW_SHA2) && !defined(USE_SLOW_SHA512)
      #define USE_SLOW_SHA512
  #endif
  
  /* fips wrapper calls, user can call direct */
  #if defined(HAVE_FIPS) && \
      (!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
  
      #ifdef WOLFSSL_SHA512
  
          int wc_InitSha512(wc_Sha512* sha)
          {
              if (sha == NULL) {
                  return BAD_FUNC_ARG;
              }
  
              return InitSha512_fips(sha);
          }
          int wc_InitSha512_ex(wc_Sha512* sha, void* heap, int devId)
          {
              (void)heap;
              (void)devId;
              if (sha == NULL) {
                  return BAD_FUNC_ARG;
              }
              return InitSha512_fips(sha);
          }
          int wc_Sha512Update(wc_Sha512* sha, const byte* data, word32 len)
          {
              if (sha == NULL || (data == NULL && len > 0)) {
                  return BAD_FUNC_ARG;
              }
  
              return Sha512Update_fips(sha, data, len);
          }
          int wc_Sha512Final(wc_Sha512* sha, byte* out)
          {
              if (sha == NULL || out == NULL) {
                  return BAD_FUNC_ARG;
              }
  
              return Sha512Final_fips(sha, out);
          }
          void wc_Sha512Free(wc_Sha512* sha)
          {
              (void)sha;
              /* Not supported in FIPS */
          }
      #endif
  
      #if defined(WOLFSSL_SHA384) || defined(HAVE_AESGCM)
          int wc_InitSha384(wc_Sha384* sha)
          {
              if (sha == NULL) {
                  return BAD_FUNC_ARG;
              }
              return InitSha384_fips(sha);
          }
          int wc_InitSha384_ex(wc_Sha384* sha, void* heap, int devId)
          {
              (void)heap;
              (void)devId;
              if (sha == NULL) {
                  return BAD_FUNC_ARG;
              }
              return InitSha384_fips(sha);
          }
          int wc_Sha384Update(wc_Sha384* sha, const byte* data, word32 len)
          {
              if (sha == NULL || (data == NULL && len > 0)) {
                  return BAD_FUNC_ARG;
              }
              return Sha384Update_fips(sha, data, len);
          }
          int wc_Sha384Final(wc_Sha384* sha, byte* out)
          {
              if (sha == NULL || out == NULL) {
                  return BAD_FUNC_ARG;
              }
              return Sha384Final_fips(sha, out);
          }
          void wc_Sha384Free(wc_Sha384* sha)
          {
              (void)sha;
              /* Not supported in FIPS */
          }
      #endif /* WOLFSSL_SHA384 || HAVE_AESGCM */
  
  #else /* else build without fips, or for FIPS v2 */
  
  #include <wolfssl/wolfcrypt/logging.h>
  
  #ifdef NO_INLINE
      #include <wolfssl/wolfcrypt/misc.h>
  #else
      #define WOLFSSL_MISC_INCLUDED
      #include <wolfcrypt/src/misc.c>
  #endif
  
  
  #if defined(USE_INTEL_SPEEDUP)
      #if defined(__GNUC__) && ((__GNUC__ < 4) || \
                                (__GNUC__ == 4 && __GNUC_MINOR__ <= 8))
          #undef  NO_AVX2_SUPPORT
          #define NO_AVX2_SUPPORT
      #endif
      #if defined(__clang__) && ((__clang_major__ < 3) || \
                                 (__clang_major__ == 3 && __clang_minor__ <= 5))
          #define NO_AVX2_SUPPORT
      #elif defined(__clang__) && defined(NO_AVX2_SUPPORT)
          #undef NO_AVX2_SUPPORT
      #endif
  
      #define HAVE_INTEL_AVX1
      #ifndef NO_AVX2_SUPPORT
          #define HAVE_INTEL_AVX2
      #endif
  #endif
  
  #if defined(HAVE_INTEL_AVX1)
      /* #define DEBUG_XMM  */
  #endif
  
  #if defined(HAVE_INTEL_AVX2)
      #define HAVE_INTEL_RORX
      /* #define DEBUG_YMM  */
  #endif
  
  #if defined(HAVE_BYTEREVERSE64) && \
          !defined(HAVE_INTEL_AVX1) && !defined(HAVE_INTEL_AVX2)
      #define ByteReverseWords64(out, in, size) ByteReverseWords64_1(out, size)
      #define ByteReverseWords64_1(buf, size) \
          { unsigned int i ;\
              for(i=0; i< size/sizeof(word64); i++){\
                  __asm__ volatile("bswapq %0":"+r"(buf[i])::) ;\
              }\
          }
  #endif
  
  #if defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_HASH)
      /* functions defined in wolfcrypt/src/port/caam/caam_sha.c */
  #elif defined(WOLFSSL_HAVE_MCHP_HW_CRYPTO) && defined(WOLFSSL_HAVE_MCHP_HW_SHA2128)
  #elif defined(WOLFSSL_SILABS_SHA384)
      /* functions defined in wolfcrypt/src/port/silabs/silabs_hash.c */
  #else
  
  #ifdef WOLFSSL_SHA512
  
  static int InitSha512(wc_Sha512* sha512)
  {
      if (sha512 == NULL)
          return BAD_FUNC_ARG;
  
      sha512->digest[0] = W64LIT(0x6a09e667f3bcc908);
      sha512->digest[1] = W64LIT(0xbb67ae8584caa73b);
      sha512->digest[2] = W64LIT(0x3c6ef372fe94f82b);
      sha512->digest[3] = W64LIT(0xa54ff53a5f1d36f1);
      sha512->digest[4] = W64LIT(0x510e527fade682d1);
      sha512->digest[5] = W64LIT(0x9b05688c2b3e6c1f);
      sha512->digest[6] = W64LIT(0x1f83d9abfb41bd6b);
      sha512->digest[7] = W64LIT(0x5be0cd19137e2179);
  
      sha512->buffLen = 0;
      sha512->loLen   = 0;
      sha512->hiLen   = 0;
  
  #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
      !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
  
      sha512->ctx.sha_type = SHA2_512;
       /* always start firstblock = 1 when using hw engine */
      sha512->ctx.isfirstblock = 1;
      if(sha512->ctx.mode == ESP32_SHA_HW) {
          /* release hw */
          esp_sha_hw_unlock();
      }
      /* always set mode as INIT
      *  whether using HW or SW is determined at first call of update()
      */
      sha512->ctx.mode = ESP32_SHA_INIT;
  #endif
  #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
      sha512->flags = 0;
  #endif
      return 0;
  }
  
  #endif /* WOLFSSL_SHA512 */
  
  /* Hardware Acceleration */
  #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
  
  #ifdef WOLFSSL_SHA512
  
      /*****
      Intel AVX1/AVX2 Macro Control Structure
  
      #if defined(HAVE_INteL_SPEEDUP)
          #define HAVE_INTEL_AVX1
          #define HAVE_INTEL_AVX2
      #endif
  
      int InitSha512(wc_Sha512* sha512) {
           Save/Recover XMM, YMM
           ...
  
           Check Intel AVX cpuid flags
      }
  
      #if defined(HAVE_INTEL_AVX1)|| defined(HAVE_INTEL_AVX2)
        Transform_Sha512_AVX1(); # Function prototype
        Transform_Sha512_AVX2(); #
      #endif
  
        _Transform_Sha512() {     # Native Transform Function body
  
        }
  
        int Sha512Update() {
           Save/Recover XMM, YMM
           ...
        }
  
        int Sha512Final() {
           Save/Recover XMM, YMM
           ...
        }
  
  
      #if defined(HAVE_INTEL_AVX1)
  
         XMM Instructions/INLINE asm Definitions
  
      #endif
  
      #if defined(HAVE_INTEL_AVX2)
  
         YMM Instructions/INLINE asm Definitions
  
      #endif
  
      #if defnied(HAVE_INTEL_AVX1)
  
        int Transform_Sha512_AVX1() {
            Stitched Message Sched/Round
        }
  
      #endif
  
      #if defnied(HAVE_INTEL_AVX2)
  
        int Transform_Sha512_AVX2() {
            Stitched Message Sched/Round
        }
      #endif
  
      */
  
  
      /* Each platform needs to query info type 1 from cpuid to see if aesni is
       * supported. Also, let's setup a macro for proper linkage w/o ABI conflicts
       */
  
  #ifdef __cplusplus
      extern "C" {
  #endif
  
      #if defined(HAVE_INTEL_AVX1)
          extern int Transform_Sha512_AVX1(wc_Sha512 *sha512);
          extern int Transform_Sha512_AVX1_Len(wc_Sha512 *sha512, word32 len);
      #endif
      #if defined(HAVE_INTEL_AVX2)
          extern int Transform_Sha512_AVX2(wc_Sha512 *sha512);
          extern int Transform_Sha512_AVX2_Len(wc_Sha512 *sha512, word32 len);
          #if defined(HAVE_INTEL_RORX)
              extern int Transform_Sha512_AVX1_RORX(wc_Sha512 *sha512);
              extern int Transform_Sha512_AVX1_RORX_Len(wc_Sha512 *sha512,
                                                        word32 len);
              extern int Transform_Sha512_AVX2_RORX(wc_Sha512 *sha512);
              extern int Transform_Sha512_AVX2_RORX_Len(wc_Sha512 *sha512,
                                                        word32 len);
          #endif
      #endif
  
  #ifdef __cplusplus
      }  /* extern "C" */
  #endif
  
      static int _Transform_Sha512(wc_Sha512 *sha512);
      static int (*Transform_Sha512_p)(wc_Sha512* sha512) = _Transform_Sha512;
      static int (*Transform_Sha512_Len_p)(wc_Sha512* sha512, word32 len) = NULL;
      static int transform_check = 0;
      static int intel_flags;
      static int Transform_Sha512_is_vectorized = 0;
  
      static WC_INLINE int Transform_Sha512(wc_Sha512 *sha512) {
          int ret;
          if (Transform_Sha512_is_vectorized)
              SAVE_VECTOR_REGISTERS();
          ret = (*Transform_Sha512_p)(sha512);
          if (Transform_Sha512_is_vectorized)
              RESTORE_VECTOR_REGISTERS();
          return ret;
      }
      static WC_INLINE int Transform_Sha512_Len(wc_Sha512 *sha512, word32 len) {
          int ret;
          if (Transform_Sha512_is_vectorized)
              SAVE_VECTOR_REGISTERS();
          ret = (*Transform_Sha512_Len_p)(sha512, len);
          if (Transform_Sha512_is_vectorized)
              RESTORE_VECTOR_REGISTERS();
          return ret;
      }
  
      static void Sha512_SetTransform(void)
      {
          if (transform_check)
              return;
  
          intel_flags = cpuid_get_flags();
  
      #if defined(HAVE_INTEL_AVX2)
          if (IS_INTEL_AVX2(intel_flags)) {
          #ifdef HAVE_INTEL_RORX
              if (IS_INTEL_BMI2(intel_flags)) {
                  Transform_Sha512_p = Transform_Sha512_AVX2_RORX;
                  Transform_Sha512_Len_p = Transform_Sha512_AVX2_RORX_Len;
                  Transform_Sha512_is_vectorized = 1;
              }
              else
          #endif
              if (1) {
                  Transform_Sha512_p = Transform_Sha512_AVX2;
                  Transform_Sha512_Len_p = Transform_Sha512_AVX2_Len;
                  Transform_Sha512_is_vectorized = 1;
              }
          #ifdef HAVE_INTEL_RORX
              else {
                  Transform_Sha512_p = Transform_Sha512_AVX1_RORX;
                  Transform_Sha512_Len_p = Transform_Sha512_AVX1_RORX_Len;
                  Transform_Sha512_is_vectorized = 1;
              }
          #endif
          }
          else
      #endif
      #if defined(HAVE_INTEL_AVX1)
          if (IS_INTEL_AVX1(intel_flags)) {
              Transform_Sha512_p = Transform_Sha512_AVX1;
              Transform_Sha512_Len_p = Transform_Sha512_AVX1_Len;
              Transform_Sha512_is_vectorized = 1;
          }
          else
      #endif
          {
              Transform_Sha512_p = _Transform_Sha512;
              Transform_Sha512_is_vectorized = 1;
          }
  
          transform_check = 1;
      }
  #endif /* WOLFSSL_SHA512 */
  
  #else
      #define Transform_Sha512(sha512) _Transform_Sha512(sha512)
  
  #endif
  
  #ifdef WOLFSSL_SHA512
  
  int wc_InitSha512_ex(wc_Sha512* sha512, void* heap, int devId)
  {
      int ret = 0;
  
      if (sha512 == NULL)
          return BAD_FUNC_ARG;
  
      sha512->heap = heap;
  #ifdef WOLFSSL_SMALL_STACK_CACHE
      sha512->W = NULL;
  #endif
  
      ret = InitSha512(sha512);
      if (ret != 0)
          return ret;
  
  #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
      Sha512_SetTransform();
  #endif
  
  #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA512)
      ret = wolfAsync_DevCtxInit(&sha512->asyncDev,
                          WOLFSSL_ASYNC_MARKER_SHA512, sha512->heap, devId);
  #else
      (void)devId;
  #endif /* WOLFSSL_ASYNC_CRYPT */
  
      return ret;
  }
  
  #endif /* WOLFSSL_SHA512 */
  
  
  static const word64 K512[80] = {
      W64LIT(0x428a2f98d728ae22), W64LIT(0x7137449123ef65cd),
      W64LIT(0xb5c0fbcfec4d3b2f), W64LIT(0xe9b5dba58189dbbc),
      W64LIT(0x3956c25bf348b538), W64LIT(0x59f111f1b605d019),
      W64LIT(0x923f82a4af194f9b), W64LIT(0xab1c5ed5da6d8118),
      W64LIT(0xd807aa98a3030242), W64LIT(0x12835b0145706fbe),
      W64LIT(0x243185be4ee4b28c), W64LIT(0x550c7dc3d5ffb4e2),
      W64LIT(0x72be5d74f27b896f), W64LIT(0x80deb1fe3b1696b1),
      W64LIT(0x9bdc06a725c71235), W64LIT(0xc19bf174cf692694),
      W64LIT(0xe49b69c19ef14ad2), W64LIT(0xefbe4786384f25e3),
      W64LIT(0x0fc19dc68b8cd5b5), W64LIT(0x240ca1cc77ac9c65),
      W64LIT(0x2de92c6f592b0275), W64LIT(0x4a7484aa6ea6e483),
      W64LIT(0x5cb0a9dcbd41fbd4), W64LIT(0x76f988da831153b5),
      W64LIT(0x983e5152ee66dfab), W64LIT(0xa831c66d2db43210),
      W64LIT(0xb00327c898fb213f), W64LIT(0xbf597fc7beef0ee4),
      W64LIT(0xc6e00bf33da88fc2), W64LIT(0xd5a79147930aa725),
      W64LIT(0x06ca6351e003826f), W64LIT(0x142929670a0e6e70),
      W64LIT(0x27b70a8546d22ffc), W64LIT(0x2e1b21385c26c926),
      W64LIT(0x4d2c6dfc5ac42aed), W64LIT(0x53380d139d95b3df),
      W64LIT(0x650a73548baf63de), W64LIT(0x766a0abb3c77b2a8),
      W64LIT(0x81c2c92e47edaee6), W64LIT(0x92722c851482353b),
      W64LIT(0xa2bfe8a14cf10364), W64LIT(0xa81a664bbc423001),
      W64LIT(0xc24b8b70d0f89791), W64LIT(0xc76c51a30654be30),
      W64LIT(0xd192e819d6ef5218), W64LIT(0xd69906245565a910),
      W64LIT(0xf40e35855771202a), W64LIT(0x106aa07032bbd1b8),
      W64LIT(0x19a4c116b8d2d0c8), W64LIT(0x1e376c085141ab53),
      W64LIT(0x2748774cdf8eeb99), W64LIT(0x34b0bcb5e19b48a8),
      W64LIT(0x391c0cb3c5c95a63), W64LIT(0x4ed8aa4ae3418acb),
      W64LIT(0x5b9cca4f7763e373), W64LIT(0x682e6ff3d6b2b8a3),
      W64LIT(0x748f82ee5defb2fc), W64LIT(0x78a5636f43172f60),
      W64LIT(0x84c87814a1f0ab72), W64LIT(0x8cc702081a6439ec),
      W64LIT(0x90befffa23631e28), W64LIT(0xa4506cebde82bde9),
      W64LIT(0xbef9a3f7b2c67915), W64LIT(0xc67178f2e372532b),
      W64LIT(0xca273eceea26619c), W64LIT(0xd186b8c721c0c207),
      W64LIT(0xeada7dd6cde0eb1e), W64LIT(0xf57d4f7fee6ed178),
      W64LIT(0x06f067aa72176fba), W64LIT(0x0a637dc5a2c898a6),
      W64LIT(0x113f9804bef90dae), W64LIT(0x1b710b35131c471b),
      W64LIT(0x28db77f523047d84), W64LIT(0x32caab7b40c72493),
      W64LIT(0x3c9ebe0a15c9bebc), W64LIT(0x431d67c49c100d4c),
      W64LIT(0x4cc5d4becb3e42b6), W64LIT(0x597f299cfc657e2a),
      W64LIT(0x5fcb6fab3ad6faec), W64LIT(0x6c44198c4a475817)
  };
  
  #define blk0(i) (W[i] = sha512->buffer[i])
  
  #define blk2(i) (\
                 W[ i     & 15] += \
              s1(W[(i-2)  & 15])+ \
                 W[(i-7)  & 15] + \
              s0(W[(i-15) & 15])  \
          )
  
  #define Ch(x,y,z)  (z ^ (x & (y ^ z)))
  #define Maj(x,y,z) ((x & y) | (z & (x | y)))
  
  #define a(i) T[(0-i) & 7]
  #define b(i) T[(1-i) & 7]
  #define c(i) T[(2-i) & 7]
  #define d(i) T[(3-i) & 7]
  #define e(i) T[(4-i) & 7]
  #define f(i) T[(5-i) & 7]
  #define g(i) T[(6-i) & 7]
  #define h(i) T[(7-i) & 7]
  
  #define S0(x) (rotrFixed64(x,28) ^ rotrFixed64(x,34) ^ rotrFixed64(x,39))
  #define S1(x) (rotrFixed64(x,14) ^ rotrFixed64(x,18) ^ rotrFixed64(x,41))
  #define s0(x) (rotrFixed64(x,1)  ^ rotrFixed64(x,8)  ^ (x>>7))
  #define s1(x) (rotrFixed64(x,19) ^ rotrFixed64(x,61) ^ (x>>6))
  
  #define R(i) \
      h(i) += S1(e(i)) + Ch(e(i),f(i),g(i)) + K[i+j] + (j ? blk2(i) : blk0(i)); \
      d(i) += h(i); \
      h(i) += S0(a(i)) + Maj(a(i),b(i),c(i))
  
  static int _Transform_Sha512(wc_Sha512* sha512)
  {
      const word64* K = K512;
      word32 j;
      word64 T[8];
  
  #ifdef WOLFSSL_SMALL_STACK_CACHE
      word64* W = sha512->W;
      if (W == NULL) {
          W = (word64*)XMALLOC(sizeof(word64) * 16, NULL,DYNAMIC_TYPE_TMP_BUFFER);
          if (W == NULL)
              return MEMORY_E;
          sha512->W = W;
      }
  #elif defined(WOLFSSL_SMALL_STACK)
      word64* W;
      W = (word64*) XMALLOC(sizeof(word64) * 16, NULL, DYNAMIC_TYPE_TMP_BUFFER);
      if (W == NULL)
          return MEMORY_E;
  #else
      word64 W[16];
  #endif
  
      /* Copy digest to working vars */
      XMEMCPY(T, sha512->digest, sizeof(T));
  
  #ifdef USE_SLOW_SHA512
      /* over twice as small, but 50% slower */
      /* 80 operations, not unrolled */
      for (j = 0; j < 80; j += 16) {
          int m;
          for (m = 0; m < 16; m++) { /* braces needed here for macros {} */
              R(m);
          }
      }
  #else
      /* 80 operations, partially loop unrolled */
      for (j = 0; j < 80; j += 16) {
          R( 0); R( 1); R( 2); R( 3);
          R( 4); R( 5); R( 6); R( 7);
          R( 8); R( 9); R(10); R(11);
          R(12); R(13); R(14); R(15);
      }
  #endif /* USE_SLOW_SHA512 */
  
      /* Add the working vars back into digest */
      sha512->digest[0] += a(0);
      sha512->digest[1] += b(0);
      sha512->digest[2] += c(0);
      sha512->digest[3] += d(0);
      sha512->digest[4] += e(0);
      sha512->digest[5] += f(0);
      sha512->digest[6] += g(0);
      sha512->digest[7] += h(0);
  
      /* Wipe variables */
      ForceZero(W, sizeof(word64) * 16);
      ForceZero(T, sizeof(T));
  
  #if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SMALL_STACK_CACHE)
      XFREE(W, NULL, DYNAMIC_TYPE_TMP_BUFFER);
  #endif
  
      return 0;
  }
  
  
  static WC_INLINE void AddLength(wc_Sha512* sha512, word32 len)
  {
      word64 tmp = sha512->loLen;
      if ( (sha512->loLen += len) < tmp)
          sha512->hiLen++;                       /* carry low to high */
  }
  
  static WC_INLINE int Sha512Update(wc_Sha512* sha512, const byte* data, word32 len)
  {
      int ret = 0;
      /* do block size increments */
      byte* local = (byte*)sha512->buffer;
  
      /* check that internal buffLen is valid */
      if (sha512->buffLen >= WC_SHA512_BLOCK_SIZE)
          return BUFFER_E;
  
      AddLength(sha512, len);
  
      if (sha512->buffLen > 0) {
          word32 add = min(len, WC_SHA512_BLOCK_SIZE - sha512->buffLen);
          if (add > 0) {
              XMEMCPY(&local[sha512->buffLen], data, add);
  
              sha512->buffLen += add;
              data            += add;
              len             -= add;
          }
  
          if (sha512->buffLen == WC_SHA512_BLOCK_SIZE) {
      #if defined(LITTLE_ENDIAN_ORDER)
          #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
              if (!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags))
          #endif
              {
          #if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
               defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
                  ByteReverseWords64(sha512->buffer, sha512->buffer,
                                                           WC_SHA512_BLOCK_SIZE);
          #endif
              }
      #endif
      #if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
           defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
              ret = Transform_Sha512(sha512);
      #else
              if(sha512->ctx.mode == ESP32_SHA_INIT) {
                  esp_sha_try_hw_lock(&sha512->ctx);
              }
              ret = esp_sha512_process(sha512);
              if(ret == 0 && sha512->ctx.mode == ESP32_SHA_SW){
                  ret = Transform_Sha512(sha512);
              }
      #endif
              if (ret == 0)
                  sha512->buffLen = 0;
              else
                  len = 0;
          }
      }
  
  #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
      if (Transform_Sha512_Len_p != NULL) {
          word32 blocksLen = len & ~(WC_SHA512_BLOCK_SIZE-1);
  
          if (blocksLen > 0) {
              sha512->data = data;
              /* Byte reversal performed in function if required. */
              Transform_Sha512_Len(sha512, blocksLen);
              data += blocksLen;
              len  -= blocksLen;
          }
      }
      else
  #endif
  #if !defined(LITTLE_ENDIAN_ORDER) || defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
      {
          while (len >= WC_SHA512_BLOCK_SIZE) {
              XMEMCPY(local, data, WC_SHA512_BLOCK_SIZE);
  
              data += WC_SHA512_BLOCK_SIZE;
              len  -= WC_SHA512_BLOCK_SIZE;
  
          #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
              if (!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags))
              {
                  ByteReverseWords64(sha512->buffer, sha512->buffer,
                                                            WC_SHA512_BLOCK_SIZE);
              }
          #endif
              /* Byte reversal performed in function if required. */
              ret = Transform_Sha512(sha512);
              if (ret != 0)
                  break;
          }
      }
  #else
      {
          while (len >= WC_SHA512_BLOCK_SIZE) {
              XMEMCPY(local, data, WC_SHA512_BLOCK_SIZE);
  
              data += WC_SHA512_BLOCK_SIZE;
              len  -= WC_SHA512_BLOCK_SIZE;
      #if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
           defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
              ByteReverseWords64(sha512->buffer, sha512->buffer,
                                                         WC_SHA512_BLOCK_SIZE);
      #endif
      #if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
           defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
              ret = Transform_Sha512(sha512);
      #else
              if(sha512->ctx.mode == ESP32_SHA_INIT) {
                  esp_sha_try_hw_lock(&sha512->ctx);
              }
              ret = esp_sha512_process(sha512);
              if(ret == 0 && sha512->ctx.mode == ESP32_SHA_SW){
                  ret = Transform_Sha512(sha512);
              }
      #endif
              if (ret != 0)
                  break;
          }
      }
  #endif
  
      if (ret == 0 && len > 0) {
          XMEMCPY(local, data, len);
          sha512->buffLen = len;
      }
  
      return ret;
  }
  #if (!(defined(WOLFSSL_HAVE_MCHP_HW_CRYPTO) && defined(WOLFSSL_HAVE_MCHP_HW_SHA2128)))
  
  #ifdef WOLFSSL_SHA512
  
  int wc_Sha512Update(wc_Sha512* sha512, const byte* data, word32 len)
  {
      if (sha512 == NULL || (data == NULL && len > 0)) {
          return BAD_FUNC_ARG;
      }
  
  #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA512)
      if (sha512->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA512) {
      #if defined(HAVE_INTEL_QA)
          return IntelQaSymSha512(&sha512->asyncDev, NULL, data, len);
      #endif
      }
  #endif /* WOLFSSL_ASYNC_CRYPT */
  
      return Sha512Update(sha512, data, len);
  }
  
  #endif /* WOLFSSL_SHA512 */
  
  #endif /* WOLFSSL_IMX6_CAAM || WOLFSSL_SILABS_SHA384 */
  
  static WC_INLINE int Sha512Final(wc_Sha512* sha512)
  {
      byte* local = (byte*)sha512->buffer;
      int ret;
  
      if (sha512 == NULL) {
          return BAD_FUNC_ARG;
      }
  
      local[sha512->buffLen++] = 0x80;  /* add 1 */
  
      /* pad with zeros */
      if (sha512->buffLen > WC_SHA512_PAD_SIZE) {
          XMEMSET(&local[sha512->buffLen], 0, WC_SHA512_BLOCK_SIZE - sha512->buffLen);
          sha512->buffLen += WC_SHA512_BLOCK_SIZE - sha512->buffLen;
  #if defined(LITTLE_ENDIAN_ORDER)
      #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
          if (!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags))
      #endif
          {
  
         #if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
              defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
              ByteReverseWords64(sha512->buffer,sha512->buffer,
                                                           WC_SHA512_BLOCK_SIZE);
         #endif
          }
  #endif /* LITTLE_ENDIAN_ORDER */
  #if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
       defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
          ret = Transform_Sha512(sha512);
  #else
         if(sha512->ctx.mode == ESP32_SHA_INIT) {
              esp_sha_try_hw_lock(&sha512->ctx);
         }
          ret = esp_sha512_process(sha512);
          if(ret == 0 && sha512->ctx.mode == ESP32_SHA_SW){
              ret = Transform_Sha512(sha512);
          }
  #endif
          if (ret != 0)
              return ret;
  
          sha512->buffLen = 0;
      }
      XMEMSET(&local[sha512->buffLen], 0, WC_SHA512_PAD_SIZE - sha512->buffLen);
  
      /* put lengths in bits */
      sha512->hiLen = (sha512->loLen >> (8 * sizeof(sha512->loLen) - 3)) +
                                                           (sha512->hiLen << 3);
      sha512->loLen = sha512->loLen << 3;
  
      /* store lengths */
  #if defined(LITTLE_ENDIAN_ORDER)
      #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
          if (!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags))
      #endif
      #if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
           defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
              ByteReverseWords64(sha512->buffer, sha512->buffer, WC_SHA512_PAD_SIZE);
      #endif
  #endif
      /* ! length ordering dependent on digest endian type ! */
  
  #if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
       defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
      sha512->buffer[WC_SHA512_BLOCK_SIZE / sizeof(word64) - 2] = sha512->hiLen;
      sha512->buffer[WC_SHA512_BLOCK_SIZE / sizeof(word64) - 1] = sha512->loLen;
  #endif
  
  #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
      if (IS_INTEL_AVX1(intel_flags) || IS_INTEL_AVX2(intel_flags))
          ByteReverseWords64(&(sha512->buffer[WC_SHA512_BLOCK_SIZE / sizeof(word64) - 2]),
                             &(sha512->buffer[WC_SHA512_BLOCK_SIZE / sizeof(word64) - 2]),
                             WC_SHA512_BLOCK_SIZE - WC_SHA512_PAD_SIZE);
  #endif
  #if !defined(WOLFSSL_ESP32WROOM32_CRYPT) || \
      defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
      ret = Transform_Sha512(sha512);
  #else
      if(sha512->ctx.mode == ESP32_SHA_INIT) {
          esp_sha_try_hw_lock(&sha512->ctx);
      }
      ret = esp_sha512_digest_process(sha512, 1);
      if(ret == 0 && sha512->ctx.mode == ESP32_SHA_SW) {
          ret = Transform_Sha512(sha512);
      }
  #endif
      if (ret != 0)
          return ret;
  
      #ifdef LITTLE_ENDIAN_ORDER
          ByteReverseWords64(sha512->digest, sha512->digest, WC_SHA512_DIGEST_SIZE);
      #endif
  
      return 0;
  }
  
  #ifdef WOLFSSL_SHA512
  
  int wc_Sha512FinalRaw(wc_Sha512* sha512, byte* hash)
  {
  #ifdef LITTLE_ENDIAN_ORDER
      word64 digest[WC_SHA512_DIGEST_SIZE / sizeof(word64)];
  #endif
  
      if (sha512 == NULL || hash == NULL) {
          return BAD_FUNC_ARG;
      }
  
  #ifdef LITTLE_ENDIAN_ORDER
      ByteReverseWords64((word64*)digest, (word64*)sha512->digest,
                                                           WC_SHA512_DIGEST_SIZE);
      XMEMCPY(hash, digest, WC_SHA512_DIGEST_SIZE);
  #else
      XMEMCPY(hash, sha512->digest, WC_SHA512_DIGEST_SIZE);
  #endif
  
      return 0;
  }
  
  int wc_Sha512Final(wc_Sha512* sha512, byte* hash)
  {
      int ret;
  
      if (sha512 == NULL || hash == NULL) {
          return BAD_FUNC_ARG;
      }
  
  #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA512)
      if (sha512->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA512) {
      #if defined(HAVE_INTEL_QA)
          return IntelQaSymSha512(&sha512->asyncDev, hash, NULL,
                                              WC_SHA512_DIGEST_SIZE);
      #endif
      }
  #endif /* WOLFSSL_ASYNC_CRYPT */
  
      ret = Sha512Final(sha512);
      if (ret != 0)
          return ret;
  
      XMEMCPY(hash, sha512->digest, WC_SHA512_DIGEST_SIZE);
  
      return InitSha512(sha512);  /* reset state */
  }
  
  int wc_InitSha512(wc_Sha512* sha512)
  {
      return wc_InitSha512_ex(sha512, NULL, INVALID_DEVID);
  }
  
  void wc_Sha512Free(wc_Sha512* sha512)
  {
      if (sha512 == NULL)
          return;
  
  #ifdef WOLFSSL_SMALL_STACK_CACHE
      if (sha512->W != NULL) {
          XFREE(sha512->W, NULL, DYNAMIC_TYPE_TMP_BUFFER);
          sha512->W = NULL;
      }
  #endif
  
  #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA512)
      wolfAsync_DevCtxFree(&sha512->asyncDev, WOLFSSL_ASYNC_MARKER_SHA512);
  #endif /* WOLFSSL_ASYNC_CRYPT */
  }
  
  #endif /* WOLFSSL_SHA512 */
  
  #endif /*defined(WOLFSSL_HAVE_MCHP_HW_CRYPTO) && defined(WOLFSSL_HAVE_MCHP_HW_SHA2)*/
  
  
  /* -------------------------------------------------------------------------- */
  /* SHA384 */
  /* -------------------------------------------------------------------------- */
  #ifdef WOLFSSL_SHA384
  
  #if defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_HASH)
      /* functions defined in wolfcrypt/src/port/caam/caam_sha.c */
  #elif defined(WOLFSSL_HAVE_MCHP_HW_CRYPTO) && defined(WOLFSSL_HAVE_MCHP_HW_SHA2128)
  #elif defined(WOLFSSL_SILABS_SHA512)
      /* functions defined in wolfcrypt/src/port/silabs/silabs_hash.c */
  #else
  
  static int InitSha384(wc_Sha384* sha384)
  {
      if (sha384 == NULL) {
          return BAD_FUNC_ARG;
      }
  
      sha384->digest[0] = W64LIT(0xcbbb9d5dc1059ed8);
      sha384->digest[1] = W64LIT(0x629a292a367cd507);
      sha384->digest[2] = W64LIT(0x9159015a3070dd17);
      sha384->digest[3] = W64LIT(0x152fecd8f70e5939);
      sha384->digest[4] = W64LIT(0x67332667ffc00b31);
      sha384->digest[5] = W64LIT(0x8eb44a8768581511);
      sha384->digest[6] = W64LIT(0xdb0c2e0d64f98fa7);
      sha384->digest[7] = W64LIT(0x47b5481dbefa4fa4);
  
      sha384->buffLen = 0;
      sha384->loLen   = 0;
      sha384->hiLen   = 0;
  
  #if  defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
      !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
      sha384->ctx.sha_type = SHA2_384;
       /* always start firstblock = 1 when using hw engine */
      sha384->ctx.isfirstblock = 1;
      if(sha384->ctx.mode == ESP32_SHA_HW) {
          /* release hw */
          esp_sha_hw_unlock();
      }
      /* always set mode as INIT
      *  whether using HW or SW is determined at first call of update()
      */
      sha384->ctx.mode = ESP32_SHA_INIT;
  
  #endif
  #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
      sha384->flags = 0;
  #endif
  
      return 0;
  }
  
  int wc_Sha384Update(wc_Sha384* sha384, const byte* data, word32 len)
  {
      if (sha384 == NULL || (data == NULL && len > 0)) {
          return BAD_FUNC_ARG;
      }
  
  #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA384)
      if (sha384->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA384) {
      #if defined(HAVE_INTEL_QA)
          return IntelQaSymSha384(&sha384->asyncDev, NULL, data, len);
      #endif
      }
  #endif /* WOLFSSL_ASYNC_CRYPT */
  
      return Sha512Update((wc_Sha512*)sha384, data, len);
  }
  
  
  int wc_Sha384FinalRaw(wc_Sha384* sha384, byte* hash)
  {
  #ifdef LITTLE_ENDIAN_ORDER
      word64 digest[WC_SHA384_DIGEST_SIZE / sizeof(word64)];
  #endif
  
      if (sha384 == NULL || hash == NULL) {
          return BAD_FUNC_ARG;
      }
  
  #ifdef LITTLE_ENDIAN_ORDER
      ByteReverseWords64((word64*)digest, (word64*)sha384->digest,
                                                           WC_SHA384_DIGEST_SIZE);
      XMEMCPY(hash, digest, WC_SHA384_DIGEST_SIZE);
  #else
      XMEMCPY(hash, sha384->digest, WC_SHA384_DIGEST_SIZE);
  #endif
  
      return 0;
  }
  
  int wc_Sha384Final(wc_Sha384* sha384, byte* hash)
  {
      int ret;
  
      if (sha384 == NULL || hash == NULL) {
          return BAD_FUNC_ARG;
      }
  
  #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA384)
      if (sha384->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA384) {
      #if defined(HAVE_INTEL_QA)
          return IntelQaSymSha384(&sha384->asyncDev, hash, NULL,
                                              WC_SHA384_DIGEST_SIZE);
      #endif
      }
  #endif /* WOLFSSL_ASYNC_CRYPT */
  
      ret = Sha512Final((wc_Sha512*)sha384);
      if (ret != 0)
          return ret;
  
      XMEMCPY(hash, sha384->digest, WC_SHA384_DIGEST_SIZE);
  
      return InitSha384(sha384);  /* reset state */
  }
  
  int wc_InitSha384_ex(wc_Sha384* sha384, void* heap, int devId)
  {
      int ret;
  
      if (sha384 == NULL) {
          return BAD_FUNC_ARG;
      }
  
      sha384->heap = heap;
  #ifdef WOLFSSL_SMALL_STACK_CACHE
      sha384->W = NULL;
  #endif
  
      ret = InitSha384(sha384);
      if (ret != 0)
          return ret;
  
  #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
      Sha512_SetTransform();
  #endif
  
  #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA384)
      ret = wolfAsync_DevCtxInit(&sha384->asyncDev, WOLFSSL_ASYNC_MARKER_SHA384,
                                                             sha384->heap, devId);
  #else
      (void)devId;
  #endif /* WOLFSSL_ASYNC_CRYPT */
  
      return ret;
  }
  
  #endif /* WOLFSSL_IMX6_CAAM || WOLFSSL_SILABS_SHA512 */
  
  int wc_InitSha384(wc_Sha384* sha384)
  {
      return wc_InitSha384_ex(sha384, NULL, INVALID_DEVID);
  }
  
  void wc_Sha384Free(wc_Sha384* sha384)
  {
      if (sha384 == NULL)
          return;
  
  #ifdef WOLFSSL_SMALL_STACK_CACHE
      if (sha384->W != NULL) {
          XFREE(sha384->W, NULL, DYNAMIC_TYPE_TMP_BUFFER);
          sha384->W = NULL;
      }
  #endif
  
  #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA384)
      wolfAsync_DevCtxFree(&sha384->asyncDev, WOLFSSL_ASYNC_MARKER_SHA384);
  #endif /* WOLFSSL_ASYNC_CRYPT */
  }
  
  #endif /* WOLFSSL_SHA384 */
  
  #endif /* HAVE_FIPS */
  
  #ifdef WOLFSSL_SHA512
  
  int wc_Sha512GetHash(wc_Sha512* sha512, byte* hash)
  {
      int ret;
      wc_Sha512 tmpSha512;
  
      if (sha512 == NULL || hash == NULL)
          return BAD_FUNC_ARG;
  
  #if  defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
      !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
      if(sha512->ctx.mode == ESP32_SHA_INIT) {
          esp_sha_try_hw_lock(&sha512->ctx);
      }
      if(sha512->ctx.mode != ESP32_SHA_SW)
         esp_sha512_digest_process(sha512, 0);
  #endif
  
      ret = wc_Sha512Copy(sha512, &tmpSha512);
      if (ret == 0) {
          ret = wc_Sha512Final(&tmpSha512, hash);
  #if  defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
      !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
          sha512->ctx.mode = ESP32_SHA_SW;;
  #endif
          wc_Sha512Free(&tmpSha512);
      }
      return ret;
  }
  
  int wc_Sha512Copy(wc_Sha512* src, wc_Sha512* dst)
  {
      int ret = 0;
  
      if (src == NULL || dst == NULL)
          return BAD_FUNC_ARG;
  
      XMEMCPY(dst, src, sizeof(wc_Sha512));
  #ifdef WOLFSSL_SMALL_STACK_CACHE
      dst->W = NULL;
  #endif
  
  #ifdef WOLFSSL_SILABS_SHA512
      dst->silabsCtx.hash_ctx.cmd_ctx = &(dst->silabsCtx.cmd_ctx);
      dst->silabsCtx.hash_ctx.hash_type_ctx = &(dst->silabsCtx.hash_type_ctx);
  #endif
  
  #ifdef WOLFSSL_ASYNC_CRYPT
      ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev);
  #endif
  #if  defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
      !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
      dst->ctx.mode = src->ctx.mode;
      dst->ctx.isfirstblock = src->ctx.isfirstblock;
      dst->ctx.sha_type = src->ctx.sha_type;
  #endif
  #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
       dst->flags |= WC_HASH_FLAG_ISCOPY;
  #endif
  
      return ret;
  }
  
  #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
  int wc_Sha512SetFlags(wc_Sha512* sha512, word32 flags)
  {
      if (sha512) {
          sha512->flags = flags;
      }
      return 0;
  }
  int wc_Sha512GetFlags(wc_Sha512* sha512, word32* flags)
  {
      if (sha512 && flags) {
          *flags = sha512->flags;
      }
      return 0;
  }
  #endif
  
  #endif /* WOLFSSL_SHA512 */
  
  #ifdef WOLFSSL_SHA384
  
  int wc_Sha384GetHash(wc_Sha384* sha384, byte* hash)
  {
      int ret;
      wc_Sha384 tmpSha384;
  
      if (sha384 == NULL || hash == NULL)
          return BAD_FUNC_ARG;
  #if  defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
      !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
      if(sha384->ctx.mode == ESP32_SHA_INIT) {
          esp_sha_try_hw_lock(&sha384->ctx);
      }
      if(sha384->ctx.mode != ESP32_SHA_SW) {
          esp_sha512_digest_process(sha384, 0);
      }
  #endif
      ret = wc_Sha384Copy(sha384, &tmpSha384);
      if (ret == 0) {
          ret = wc_Sha384Final(&tmpSha384, hash);
  #if  defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
      !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
          sha384->ctx.mode = ESP32_SHA_SW;
  #endif
          wc_Sha384Free(&tmpSha384);
      }
      return ret;
  }
  int wc_Sha384Copy(wc_Sha384* src, wc_Sha384* dst)
  {
      int ret = 0;
  
      if (src == NULL || dst == NULL)
          return BAD_FUNC_ARG;
  
      XMEMCPY(dst, src, sizeof(wc_Sha384));
  #ifdef WOLFSSL_SMALL_STACK_CACHE
      dst->W = NULL;
  #endif
  
  #ifdef WOLFSSL_SILABS_SHA384
      dst->silabsCtx.hash_ctx.cmd_ctx = &(dst->silabsCtx.cmd_ctx);
      dst->silabsCtx.hash_ctx.hash_type_ctx = &(dst->silabsCtx.hash_type_ctx);
  #endif
  
  #ifdef WOLFSSL_ASYNC_CRYPT
      ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev);
  #endif
  #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
     !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
      dst->ctx.mode = src->ctx.mode;
      dst->ctx.isfirstblock = src->ctx.isfirstblock;
      dst->ctx.sha_type = src->ctx.sha_type;
  #endif
  #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
       dst->flags |= WC_HASH_FLAG_ISCOPY;
  #endif
  
      return ret;
  }
  
  #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
  int wc_Sha384SetFlags(wc_Sha384* sha384, word32 flags)
  {
      if (sha384) {
          sha384->flags = flags;
      }
      return 0;
  }
  int wc_Sha384GetFlags(wc_Sha384* sha384, word32* flags)
  {
      if (sha384 && flags) {
          *flags = sha384->flags;
      }
      return 0;
  }
  #endif
  
  #endif /* WOLFSSL_SHA384 */
  
  #endif /* WOLFSSL_SHA512 || WOLFSSL_SHA384 */
  