1 files changed, 134 insertions, 0 deletions
diff --git a/client/wolfssl/wolfcrypt/src/port/arm/cryptoCellHash.c b/client/wolfssl/wolfcrypt/src/port/arm/cryptoCellHash.c
new file mode 100644
index 0000000..bc729f7
--- /dev/null
+++ b/client/wolfssl/wolfcrypt/src/port/arm/cryptoCellHash.c
@@ -0,0 +1,134 @@
+/* cryptoCellHash.c
+ *
+ * Copyright (C) 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>
+
+/* This source is included in wc_port.c */
+/* WOLFSSL_CRYPTOCELL_HASH_C is defined by wc_port.c in case compile tries
+    to include this .c directly */
+#ifdef WOLFSSL_CRYPTOCELL_HASH_C
+#if !defined(NO_SHA256) && defined(WOLFSSL_CRYPTOCELL)
+
+#include <wolfssl/wolfcrypt/error-crypt.h>
+#include <wolfssl/wolfcrypt/logging.h>
+#include <wolfssl/wolfcrypt/sha256.h>
+#include <wolfssl/wolfcrypt/port/arm/cryptoCell.h>
+
+#ifdef NO_INLINE
+    #include <wolfssl/wolfcrypt/misc.h>
+#else
+    #define WOLFSSL_MISC_INCLUDED
+    #include <wolfcrypt/src/misc.c>
+#endif
+
+int wc_InitSha256_ex(wc_Sha256* sha256, void* heap, int devId)
+{
+    CRYSError_t ret = 0;
+
+    (void)heap;
+    (void)devId;
+
+    if (sha256 == NULL)
+        return BAD_FUNC_ARG;
+
+    XMEMSET(sha256->digest, 0, sizeof(sha256->digest));
+
+    /* initializes the HASH context and machine to the supported mode.*/
+    ret = CRYS_HASH_Init(&sha256->ctx, CRYS_HASH_SHA256_mode);
+
+    if (ret != SA_SILIB_RET_OK){
+        WOLFSSL_MSG("Error CRYS_HASH_Init failed");
+    }
+
+    return ret;
+}
+
+int wc_InitSha256(Sha256* sha256)
+{
+    return wc_InitSha256_ex(sha256, NULL, INVALID_DEVID);
+}
+
+int wc_Sha256Update(wc_Sha256* sha256, const byte* data, word32 len)
+{
+    CRYSError_t         ret = 0;
+    size_t              length;
+    size_t              remaining = len;
+    byte const *        p_cur     = data;
+
+    if (sha256 == NULL || (data == NULL && len > 0)) {
+        return BAD_FUNC_ARG;
+    }
+
+    if (data == NULL && len == 0) {
+        /* valid, but do nothing */
+        return 0;
+    }
+
+    /* If the input is larger than CC310_MAX_LENGTH_DMA, split into smaller */
+    do {
+        length = (remaining > CC310_MAX_LENGTH_DMA) ?
+                    CC310_MAX_LENGTH_DMA : remaining;
+
+        ret = CRYS_HASH_Update(&sha256->ctx, (uint8_t *)p_cur, length);
+
+        remaining -= length;
+        p_cur += length;
+
+    } while (ret == CRYS_OK && remaining > 0);
+
+    return ret;
+}
+
+int wc_Sha256Final(wc_Sha256* sha256, byte* hash)
+{
+    CRYSError_t ret = 0;
+    CRYS_HASH_Result_t hashResult;
+
+    if (sha256 == NULL || hash == NULL) {
+        return BAD_FUNC_ARG;
+    }
+
+    ret = CRYS_HASH_Finish(&sha256->ctx, hashResult);
+
+    if (ret != SA_SILIB_RET_OK){
+        WOLFSSL_MSG("Error CRYS_HASH_Finish failed");
+        return ret;
+    }
+    XMEMCPY(sha256->digest, hashResult, WC_SHA256_DIGEST_SIZE);
+
+    XMEMCPY(hash, sha256->digest, WC_SHA256_DIGEST_SIZE);
+
+    /* reset state */
+    return wc_InitSha256_ex(sha256, NULL, INVALID_DEVID);
+}
+
+void wc_Sha256Free(wc_Sha256* sha256)
+{
+    if (sha256 == NULL)
+        return;
+}
+
+#endif /* !NO_SHA256 && WOLFSSL_CRYPTOCELL */
+#endif /* WOLFSSL_CRYPTOCELL_HASH_C */