Diff: wolfcrypt/src/hash.c

Revision:

17:ff9d1e86ad5f

Parent:

16:048e5e270a58

diff -r 048e5e270a58 -r ff9d1e86ad5f wolfcrypt/src/hash.c
--- a/wolfcrypt/src/hash.c	Tue Nov 19 14:32:16 2019 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,864 +0,0 @@
-/* hash.c
- *
- * Copyright (C) 2006-2017 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>
-#include <wolfssl/wolfcrypt/logging.h>
-#include <wolfssl/wolfcrypt/error-crypt.h>
-#ifndef NO_ASN
-#include <wolfssl/wolfcrypt/asn.h>
-#endif
-
-#include <wolfssl/wolfcrypt/hash.h>
-
-
-#if !defined(NO_ASN) || !defined(NO_DH) || defined(HAVE_ECC)
-
-#ifdef NO_ASN
-enum Hash_Sum  {
-    MD2h    = 646,
-    MD5h    = 649,
-    SHAh    =  88,
-    SHA224h = 417,
-    SHA256h = 414,
-    SHA384h = 415,
-    SHA512h = 416
-};
-#endif /* !NO_ASN */
-
-#ifdef HAVE_SELFTEST
-enum {
-    /* CAVP selftest includes these in hmac.h instead of sha3.h,
-       copied here for that build */
-    WC_SHA3_224_BLOCK_SIZE = 144,
-    WC_SHA3_256_BLOCK_SIZE = 136,
-    WC_SHA3_384_BLOCK_SIZE = 104,
-    WC_SHA3_512_BLOCK_SIZE = 72,
-};
-#endif
-
-
-/* function converts int hash type to enum */
-enum wc_HashType wc_HashTypeConvert(int hashType)
-{
-    /* Default to hash type none as error */
-    enum wc_HashType eHashType = WC_HASH_TYPE_NONE;
-#if defined(HAVE_FIPS) || defined(HAVE_SELFTEST)
-    /* original FIPSv1  and CAVP selftest require a mapping for unique hash
-       type to wc_HashType */
-    switch (hashType) {
-    #ifndef NO_MD5
-        case WC_MD5:
-            eHashType = WC_HASH_TYPE_MD5;
-            break;
-    #endif /* !NO_MD5 */
-    #ifndef NO_SHA
-        case WC_SHA:
-            eHashType = WC_HASH_TYPE_SHA;
-            break;
-    #endif /* !NO_SHA */
-
-    #ifdef WOLFSSL_SHA224
-        case WC_SHA224:
-            eHashType = WC_HASH_TYPE_SHA224;
-            break;
-    #endif /* WOLFSSL_SHA224 */
-
-    #ifndef NO_SHA256
-        case WC_SHA256:
-            eHashType = WC_HASH_TYPE_SHA256;
-            break;
-    #endif /* !NO_SHA256 */
-
-    #ifdef WOLFSSL_SHA384
-        case WC_SHA384:
-            eHashType = WC_HASH_TYPE_SHA384;
-            break;
-    #endif /* WOLFSSL_SHA384 */
-    #ifdef WOLFSSL_SHA512
-        case WC_SHA512:
-            eHashType = WC_HASH_TYPE_SHA512;
-            break;
-    #endif /* WOLFSSL_SHA512 */
-        default:
-            eHashType = WC_HASH_TYPE_NONE;
-            break;
-    }
-#else
-    /* current master uses same unique types as wc_HashType */
-    if (hashType > 0 && hashType <= WC_HASH_TYPE_MAX) {
-        eHashType = (enum wc_HashType)hashType;
-    }
-#endif
-    return eHashType;
-}
-
-
-int wc_HashGetOID(enum wc_HashType hash_type)
-{
-    int oid = HASH_TYPE_E; /* Default to hash type error */
-    switch(hash_type)
-    {
-        case WC_HASH_TYPE_MD2:
-        #ifdef WOLFSSL_MD2
-            oid = MD2h;
-        #endif
-            break;
-        case WC_HASH_TYPE_MD5_SHA:
-        case WC_HASH_TYPE_MD5:
-        #ifndef NO_MD5
-            oid = MD5h;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA:
-        #ifndef NO_SHA
-            oid = SHAh;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA224:
-        #ifdef WOLFSSL_SHA224
-            oid = SHA224h;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA256:
-        #ifndef NO_SHA256
-            oid = SHA256h;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA384:
-        #ifdef WOLFSSL_SHA384
-            oid = SHA384h;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA512:
-        #ifdef WOLFSSL_SHA512
-            oid = SHA512h;
-        #endif
-            break;
-
-        /* Not Supported */
-        case WC_HASH_TYPE_MD4:
-        case WC_HASH_TYPE_SHA3_224:
-        case WC_HASH_TYPE_SHA3_256:
-        case WC_HASH_TYPE_SHA3_384:
-        case WC_HASH_TYPE_SHA3_512:
-        case WC_HASH_TYPE_BLAKE2B:
-        case WC_HASH_TYPE_NONE:
-        default:
-            oid = BAD_FUNC_ARG;
-            break;
-    }
-    return oid;
-}
-
-enum wc_HashType wc_OidGetHash(int oid)
-{
-    enum wc_HashType hash_type = WC_HASH_TYPE_NONE;
-    switch (oid)
-    {
-        case MD2h:
-        #ifdef WOLFSSL_MD2
-            hash_type = WC_HASH_TYPE_MD2;
-        #endif
-            break;
-        case MD5h:
-        #ifndef NO_MD5
-            hash_type = WC_HASH_TYPE_MD5;
-        #endif
-            break;
-        case SHAh:
-        #ifndef NO_SHA
-            hash_type = WC_HASH_TYPE_SHA;
-        #endif
-            break;
-        case SHA224h:
-        #ifdef WOLFSSL_SHA224
-            hash_type = WC_HASH_TYPE_SHA224;
-        #endif
-            break;
-        case SHA256h:
-        #ifndef NO_SHA256
-            hash_type = WC_HASH_TYPE_SHA256;
-        #endif
-            break;
-        case SHA384h:
-        #ifdef WOLFSSL_SHA384
-            hash_type = WC_HASH_TYPE_SHA384;
-        #endif
-            break;
-        case SHA512h:
-        #ifdef WOLFSSL_SHA512
-            hash_type = WC_HASH_TYPE_SHA512;
-        #endif
-            break;
-        default:
-            break;
-    }
-    return hash_type;
-}
-#endif /* !NO_ASN || !NO_DH || HAVE_ECC */
-
-
-
-/* Get Hash digest size */
-int wc_HashGetDigestSize(enum wc_HashType hash_type)
-{
-    int dig_size = HASH_TYPE_E; /* Default to hash type error */
-    switch(hash_type)
-    {
-        case WC_HASH_TYPE_MD2:
-        #ifdef WOLFSSL_MD2
-            dig_size = MD2_DIGEST_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_MD4:
-        #ifndef NO_MD4
-            dig_size = MD4_DIGEST_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_MD5:
-        #ifndef NO_MD5
-            dig_size = WC_MD5_DIGEST_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA:
-        #ifndef NO_SHA
-            dig_size = WC_SHA_DIGEST_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA224:
-        #ifdef WOLFSSL_SHA224
-            dig_size = WC_SHA224_DIGEST_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA256:
-        #ifndef NO_SHA256
-            dig_size = WC_SHA256_DIGEST_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA384:
-        #ifdef WOLFSSL_SHA384
-            dig_size = WC_SHA384_DIGEST_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA512:
-        #ifdef WOLFSSL_SHA512
-            dig_size = WC_SHA512_DIGEST_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_MD5_SHA: /* Old TLS Specific */
-        #if !defined(NO_MD5) && !defined(NO_SHA)
-            dig_size = (int)WC_MD5_DIGEST_SIZE + (int)WC_SHA_DIGEST_SIZE;
-        #endif
-            break;
-
-        case WC_HASH_TYPE_SHA3_224:
-        #ifdef WOLFSSL_SHA3
-            dig_size = WC_SHA3_224_DIGEST_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA3_256:
-        #ifdef WOLFSSL_SHA3
-            dig_size = WC_SHA3_256_DIGEST_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA3_384:
-        #ifdef WOLFSSL_SHA3
-            dig_size = WC_SHA3_384_DIGEST_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA3_512:
-        #ifdef WOLFSSL_SHA3
-            dig_size = WC_SHA3_512_DIGEST_SIZE;
-        #endif
-            break;
-
-        /* Not Supported */
-        case WC_HASH_TYPE_BLAKE2B:
-        case WC_HASH_TYPE_NONE:
-        default:
-            dig_size = BAD_FUNC_ARG;
-            break;
-    }
-    return dig_size;
-}
-
-
-/* Get Hash block size */
-int wc_HashGetBlockSize(enum wc_HashType hash_type)
-{
-    int block_size = HASH_TYPE_E; /* Default to hash type error */
-    switch (hash_type)
-    {
-        case WC_HASH_TYPE_MD2:
-        #ifdef WOLFSSL_MD2
-            block_size = MD2_BLOCK_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_MD4:
-        #ifndef NO_MD4
-            block_size = MD4_BLOCK_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_MD5:
-        #ifndef NO_MD5
-            block_size = WC_MD5_BLOCK_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA:
-        #ifndef NO_SHA
-            block_size = WC_SHA_BLOCK_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA224:
-        #ifdef WOLFSSL_SHA224
-            block_size = WC_SHA224_BLOCK_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA256:
-        #ifndef NO_SHA256
-            block_size = WC_SHA256_BLOCK_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA384:
-        #ifdef WOLFSSL_SHA384
-            block_size = WC_SHA384_BLOCK_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA512:
-        #ifdef WOLFSSL_SHA512
-            block_size = WC_SHA512_BLOCK_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_MD5_SHA: /* Old TLS Specific */
-        #if !defined(NO_MD5) && !defined(NO_SHA)
-            block_size = (int)WC_MD5_BLOCK_SIZE + (int)WC_SHA_BLOCK_SIZE;
-        #endif
-            break;
-
-        case WC_HASH_TYPE_SHA3_224:
-        #ifdef WOLFSSL_SHA3
-            block_size = WC_SHA3_224_BLOCK_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA3_256:
-        #ifdef WOLFSSL_SHA3
-            block_size = WC_SHA3_256_BLOCK_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA3_384:
-        #ifdef WOLFSSL_SHA3
-            block_size = WC_SHA3_384_BLOCK_SIZE;
-        #endif
-            break;
-        case WC_HASH_TYPE_SHA3_512:
-        #ifdef WOLFSSL_SHA3
-            block_size = WC_SHA3_512_BLOCK_SIZE;
-        #endif
-            break;
-
-        /* Not Supported */
-        case WC_HASH_TYPE_BLAKE2B:
-        case WC_HASH_TYPE_NONE:
-        default:
-            block_size = BAD_FUNC_ARG;
-            break;
-    }
-    return block_size;
-}
-
-/* Generic Hashing Wrapper */
-int wc_Hash(enum wc_HashType hash_type, const byte* data,
-    word32 data_len, byte* hash, word32 hash_len)
-{
-    int ret = HASH_TYPE_E; /* Default to hash type error */
-    word32 dig_size;
-
-    /* Validate hash buffer size */
-    dig_size = wc_HashGetDigestSize(hash_type);
-    if (hash_len < dig_size) {
-        return BUFFER_E;
-    }
-
-    /* Suppress possible unused arg if all hashing is disabled */
-    (void)data;
-    (void)data_len;
-    (void)hash;
-    (void)hash_len;
-
-    switch(hash_type)
-    {
-        case WC_HASH_TYPE_MD5:
-#ifndef NO_MD5
-            ret = wc_Md5Hash(data, data_len, hash);
-#endif
-            break;
-        case WC_HASH_TYPE_SHA:
-#ifndef NO_SHA
-            ret = wc_ShaHash(data, data_len, hash);
-#endif
-            break;
-        case WC_HASH_TYPE_SHA224:
-#ifdef WOLFSSL_SHA224
-            ret = wc_Sha224Hash(data, data_len, hash);
-#endif
-            break;
-        case WC_HASH_TYPE_SHA256:
-#ifndef NO_SHA256
-            ret = wc_Sha256Hash(data, data_len, hash);
-#endif
-            break;
-        case WC_HASH_TYPE_SHA384:
-#ifdef WOLFSSL_SHA384
-            ret = wc_Sha384Hash(data, data_len, hash);
-#endif
-            break;
-        case WC_HASH_TYPE_SHA512:
-#ifdef WOLFSSL_SHA512
-            ret = wc_Sha512Hash(data, data_len, hash);
-#endif
-            break;
-        case WC_HASH_TYPE_MD5_SHA:
-#if !defined(NO_MD5) && !defined(NO_SHA)
-            ret = wc_Md5Hash(data, data_len, hash);
-            if (ret == 0) {
-                ret = wc_ShaHash(data, data_len, &hash[WC_MD5_DIGEST_SIZE]);
-            }
-#endif
-            break;
-
-        /* Not Supported */
-        case WC_HASH_TYPE_MD2:
-        case WC_HASH_TYPE_MD4:
-        case WC_HASH_TYPE_SHA3_224:
-        case WC_HASH_TYPE_SHA3_256:
-        case WC_HASH_TYPE_SHA3_384:
-        case WC_HASH_TYPE_SHA3_512:
-        case WC_HASH_TYPE_BLAKE2B:
-        case WC_HASH_TYPE_NONE:
-        default:
-            ret = BAD_FUNC_ARG;
-            break;
-    }
-    return ret;
-}
-
-int wc_HashInit(wc_HashAlg* hash, enum wc_HashType type)
-{
-    int ret = HASH_TYPE_E; /* Default to hash type error */
-
-    if (hash == NULL)
-        return BAD_FUNC_ARG;
-
-    switch (type) {
-        case WC_HASH_TYPE_MD5:
-#ifndef NO_MD5
-            wc_InitMd5(&hash->md5);
-            ret = 0;
-#endif
-            break;
-        case WC_HASH_TYPE_SHA:
-#ifndef NO_SHA
-            ret = wc_InitSha(&hash->sha);
-#endif
-            break;
-        case WC_HASH_TYPE_SHA224:
-#ifdef WOLFSSL_SHA224
-            ret = wc_InitSha224(&hash->sha224);
-#endif
-            break;
-        case WC_HASH_TYPE_SHA256:
-#ifndef NO_SHA256
-            ret = wc_InitSha256(&hash->sha256);
-#endif
-            break;
-        case WC_HASH_TYPE_SHA384:
-#ifdef WOLFSSL_SHA384
-            ret = wc_InitSha384(&hash->sha384);
-#endif
-            break;
-        case WC_HASH_TYPE_SHA512:
-#ifdef WOLFSSL_SHA512
-            ret = wc_InitSha512(&hash->sha512);
-#endif
-            break;
-
-        /* not supported */
-        case WC_HASH_TYPE_MD5_SHA:
-        case WC_HASH_TYPE_MD2:
-        case WC_HASH_TYPE_MD4:
-        case WC_HASH_TYPE_SHA3_224:
-        case WC_HASH_TYPE_SHA3_256:
-        case WC_HASH_TYPE_SHA3_384:
-        case WC_HASH_TYPE_SHA3_512:
-        case WC_HASH_TYPE_BLAKE2B:
-        case WC_HASH_TYPE_NONE:
-        default:
-            ret = BAD_FUNC_ARG;
-    };
-
-    return ret;
-}
-
-int wc_HashUpdate(wc_HashAlg* hash, enum wc_HashType type, const byte* data,
-                  word32 dataSz)
-{
-    int ret = HASH_TYPE_E; /* Default to hash type error */
-
-    if (hash == NULL || data == NULL)
-        return BAD_FUNC_ARG;
-
-    switch (type) {
-        case WC_HASH_TYPE_MD5:
-#ifndef NO_MD5
-            wc_Md5Update(&hash->md5, data, dataSz);
-            ret = 0;
-#endif
-            break;
-        case WC_HASH_TYPE_SHA:
-#ifndef NO_SHA
-            ret = wc_ShaUpdate(&hash->sha, data, dataSz);
-            if (ret != 0)
-                return ret;
-#endif
-            break;
-        case WC_HASH_TYPE_SHA224:
-#ifdef WOLFSSL_SHA224
-            ret = wc_Sha224Update(&hash->sha224, data, dataSz);
-#endif
-            break;
-        case WC_HASH_TYPE_SHA256:
-#ifndef NO_SHA256
-            ret = wc_Sha256Update(&hash->sha256, data, dataSz);
-#endif
-            break;
-        case WC_HASH_TYPE_SHA384:
-#ifdef WOLFSSL_SHA384
-            ret = wc_Sha384Update(&hash->sha384, data, dataSz);
-#endif
-            break;
-        case WC_HASH_TYPE_SHA512:
-#ifdef WOLFSSL_SHA512
-            ret = wc_Sha512Update(&hash->sha512, data, dataSz);
-#endif
-            break;
-
-        /* not supported */
-        case WC_HASH_TYPE_MD5_SHA:
-        case WC_HASH_TYPE_MD2:
-        case WC_HASH_TYPE_MD4:
-        case WC_HASH_TYPE_SHA3_224:
-        case WC_HASH_TYPE_SHA3_256:
-        case WC_HASH_TYPE_SHA3_384:
-        case WC_HASH_TYPE_SHA3_512:
-        case WC_HASH_TYPE_BLAKE2B:
-        case WC_HASH_TYPE_NONE:
-        default:
-            ret = BAD_FUNC_ARG;
-    };
-
-    return ret;
-}
-
-int wc_HashFinal(wc_HashAlg* hash, enum wc_HashType type, byte* out)
-{
-    int ret = HASH_TYPE_E; /* Default to hash type error */
-
-    if (hash == NULL || out == NULL)
-        return BAD_FUNC_ARG;
-
-    switch (type) {
-        case WC_HASH_TYPE_MD5:
-#ifndef NO_MD5
-            wc_Md5Final(&hash->md5, out);
-            ret = 0;
-#endif
-            break;
-        case WC_HASH_TYPE_SHA:
-#ifndef NO_SHA
-            ret = wc_ShaFinal(&hash->sha, out);
-#endif
-            break;
-        case WC_HASH_TYPE_SHA224:
-#ifdef WOLFSSL_SHA224
-            ret = wc_Sha224Final(&hash->sha224, out);
-#endif
-            break;
-        case WC_HASH_TYPE_SHA256:
-#ifndef NO_SHA256
-            ret = wc_Sha256Final(&hash->sha256, out);
-#endif
-            break;
-        case WC_HASH_TYPE_SHA384:
-#ifdef WOLFSSL_SHA384
-            ret = wc_Sha384Final(&hash->sha384, out);
-#endif
-            break;
-        case WC_HASH_TYPE_SHA512:
-#ifdef WOLFSSL_SHA512
-            ret = wc_Sha512Final(&hash->sha512, out);
-#endif
-            break;
-
-        /* not supported */
-        case WC_HASH_TYPE_MD5_SHA:
-        case WC_HASH_TYPE_MD2:
-        case WC_HASH_TYPE_MD4:
-        case WC_HASH_TYPE_SHA3_224:
-        case WC_HASH_TYPE_SHA3_256:
-        case WC_HASH_TYPE_SHA3_384:
-        case WC_HASH_TYPE_SHA3_512:
-        case WC_HASH_TYPE_BLAKE2B:
-        case WC_HASH_TYPE_NONE:
-        default:
-            ret = BAD_FUNC_ARG;
-    };
-
-    return ret;
-}
-
-
-#if !defined(WOLFSSL_TI_HASH)
-
-#if !defined(NO_MD5)
-    int wc_Md5Hash(const byte* data, word32 len, byte* hash)
-    {
-        int ret;
-    #ifdef WOLFSSL_SMALL_STACK
-        wc_Md5* md5;
-    #else
-        wc_Md5  md5[1];
-    #endif
-
-    #ifdef WOLFSSL_SMALL_STACK
-        md5 = (wc_Md5*)XMALLOC(sizeof(wc_Md5), NULL, DYNAMIC_TYPE_TMP_BUFFER);
-        if (md5 == NULL)
-            return MEMORY_E;
-    #endif
-
-        ret = wc_InitMd5(md5);
-        if (ret == 0) {
-            ret = wc_Md5Update(md5, data, len);
-            if (ret == 0) {
-                ret = wc_Md5Final(md5, hash);
-            }
-        }
-
-    #ifdef WOLFSSL_SMALL_STACK
-        XFREE(md5, NULL, DYNAMIC_TYPE_TMP_BUFFER);
-    #endif
-
-        return ret;
-    }
-#endif /* !NO_MD5 */
-
-#if !defined(NO_SHA)
-    int wc_ShaHash(const byte* data, word32 len, byte* hash)
-    {
-        int ret = 0;
-    #ifdef WOLFSSL_SMALL_STACK
-        wc_Sha* sha;
-    #else
-        wc_Sha sha[1];
-    #endif
-
-    #ifdef WOLFSSL_SMALL_STACK
-        sha = (wc_Sha*)XMALLOC(sizeof(wc_Sha), NULL, DYNAMIC_TYPE_TMP_BUFFER);
-        if (sha == NULL)
-            return MEMORY_E;
-    #endif
-
-        if ((ret = wc_InitSha(sha)) != 0) {
-            WOLFSSL_MSG("wc_InitSha failed");
-        }
-        else {
-            wc_ShaUpdate(sha, data, len);
-            wc_ShaFinal(sha, hash);
-        }
-
-    #ifdef WOLFSSL_SMALL_STACK
-        XFREE(sha, NULL, DYNAMIC_TYPE_TMP_BUFFER);
-    #endif
-
-        return ret;
-    }
-#endif /* !NO_SHA */
-
-#if defined(WOLFSSL_SHA224)
-    int wc_Sha224Hash(const byte* data, word32 len, byte* hash)
-    {
-        int ret = 0;
-    #ifdef WOLFSSL_SMALL_STACK
-        wc_Sha224* sha224;
-    #else
-        wc_Sha224 sha224[1];
-    #endif
-
-    #ifdef WOLFSSL_SMALL_STACK
-        sha224 = (wc_Sha224*)XMALLOC(sizeof(wc_Sha224), NULL,
-            DYNAMIC_TYPE_TMP_BUFFER);
-        if (sha224 == NULL)
-            return MEMORY_E;
-    #endif
-
-        if ((ret = wc_InitSha224(sha224)) != 0) {
-            WOLFSSL_MSG("InitSha224 failed");
-        }
-        else {
-            if ((ret = wc_Sha224Update(sha224, data, len)) != 0) {
-                WOLFSSL_MSG("Sha224Update failed");
-            }
-            else if ((ret = wc_Sha224Final(sha224, hash)) != 0) {
-                WOLFSSL_MSG("Sha224Final failed");
-            }
-            wc_Sha224Free(sha224);
-        }
-
-    #ifdef WOLFSSL_SMALL_STACK
-        XFREE(sha224, NULL, DYNAMIC_TYPE_TMP_BUFFER);
-    #endif
-
-    return ret;
-}
-#endif /* WOLFSSL_SHA224 */
-
-#if !defined(NO_SHA256)
-    int wc_Sha256Hash(const byte* data, word32 len, byte* hash)
-    {
-        int ret = 0;
-    #ifdef WOLFSSL_SMALL_STACK
-        wc_Sha256* sha256;
-    #else
-        wc_Sha256 sha256[1];
-    #endif
-
-    #ifdef WOLFSSL_SMALL_STACK
-        sha256 = (wc_Sha256*)XMALLOC(sizeof(wc_Sha256), NULL,
-            DYNAMIC_TYPE_TMP_BUFFER);
-        if (sha256 == NULL)
-            return MEMORY_E;
-    #endif
-
-        if ((ret = wc_InitSha256(sha256)) != 0) {
-            WOLFSSL_MSG("InitSha256 failed");
-        }
-        else {
-            if ((ret = wc_Sha256Update(sha256, data, len)) != 0) {
-                WOLFSSL_MSG("Sha256Update failed");
-            }
-            else if ((ret = wc_Sha256Final(sha256, hash)) != 0) {
-                WOLFSSL_MSG("Sha256Final failed");
-            }
-            wc_Sha256Free(sha256);
-        }
-
-
-    #ifdef WOLFSSL_SMALL_STACK
-        XFREE(sha256, NULL, DYNAMIC_TYPE_TMP_BUFFER);
-    #endif
-
-        return ret;
-    }
-#endif /* !NO_SHA256 */
-
-#endif /* !defined(WOLFSSL_TI_HASH) */
-
-
-#if defined(WOLFSSL_SHA512)
-    int wc_Sha512Hash(const byte* data, word32 len, byte* hash)
-    {
-        int ret = 0;
-    #ifdef WOLFSSL_SMALL_STACK
-        wc_Sha512* sha512;
-    #else
-        wc_Sha512 sha512[1];
-    #endif
-
-    #ifdef WOLFSSL_SMALL_STACK
-        sha512 = (wc_Sha512*)XMALLOC(sizeof(wc_Sha512), NULL,
-            DYNAMIC_TYPE_TMP_BUFFER);
-        if (sha512 == NULL)
-            return MEMORY_E;
-    #endif
-
-        if ((ret = wc_InitSha512(sha512)) != 0) {
-            WOLFSSL_MSG("InitSha512 failed");
-        }
-        else {
-            if ((ret = wc_Sha512Update(sha512, data, len)) != 0) {
-                WOLFSSL_MSG("Sha512Update failed");
-            }
-            else if ((ret = wc_Sha512Final(sha512, hash)) != 0) {
-                WOLFSSL_MSG("Sha512Final failed");
-            }
-            wc_Sha512Free(sha512);
-        }
-
-    #ifdef WOLFSSL_SMALL_STACK
-        XFREE(sha512, NULL, DYNAMIC_TYPE_TMP_BUFFER);
-    #endif
-
-        return ret;
-    }
-#endif /* WOLFSSL_SHA512 */
-
-#if defined(WOLFSSL_SHA384)
-    int wc_Sha384Hash(const byte* data, word32 len, byte* hash)
-    {
-        int ret = 0;
-    #ifdef WOLFSSL_SMALL_STACK
-        wc_Sha384* sha384;
-    #else
-        wc_Sha384 sha384[1];
-    #endif
-
-    #ifdef WOLFSSL_SMALL_STACK
-        sha384 = (wc_Sha384*)XMALLOC(sizeof(wc_Sha384), NULL,
-            DYNAMIC_TYPE_TMP_BUFFER);
-        if (sha384 == NULL)
-            return MEMORY_E;
-    #endif
-
-        if ((ret = wc_InitSha384(sha384)) != 0) {
-            WOLFSSL_MSG("InitSha384 failed");
-        }
-        else {
-            if ((ret = wc_Sha384Update(sha384, data, len)) != 0) {
-                WOLFSSL_MSG("Sha384Update failed");
-            }
-            else if ((ret = wc_Sha384Final(sha384, hash)) != 0) {
-                WOLFSSL_MSG("Sha384Final failed");
-            }
-            wc_Sha384Free(sha384);
-        }
-
-    #ifdef WOLFSSL_SMALL_STACK
-        XFREE(sha384, NULL, DYNAMIC_TYPE_TMP_BUFFER);
-    #endif
-
-        return ret;
-    }
-#endif /* WOLFSSL_SHA384 */
-