Diff: features/cryptocell/FEATURE_CRYPTOCELL310/sha1_alt.c

Revision:

0:5b88d5760320

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/features/cryptocell/FEATURE_CRYPTOCELL310/sha1_alt.c	Tue Dec 17 23:23:45 2019 +0000
@@ -0,0 +1,84 @@
+/*
+ *  sha1_alt.c
+ *
+ *  Copyright (C) 2018, Arm Limited, All Rights Reserved
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+
+#include "mbedtls/sha1.h"
+#if defined(MBEDTLS_SHA1_ALT)
+#include <string.h>
+#include "mbedtls/platform.h"
+
+void mbedtls_sha1_init( mbedtls_sha1_context *ctx )
+{
+    memset( ctx, 0, sizeof( mbedtls_sha1_context ) );
+}
+
+void mbedtls_sha1_free( mbedtls_sha1_context *ctx )
+{
+    if( ctx == NULL )
+        return;
+
+    CRYS_HASH_Free( &ctx->crys_hash_ctx );
+
+    memset( ctx, 0, sizeof( mbedtls_sha1_context ) );
+}
+
+void mbedtls_sha1_clone( mbedtls_sha1_context *dst,
+                         const mbedtls_sha1_context *src )
+{
+    memcpy( dst, src, sizeof( mbedtls_sha1_context ) );
+}
+
+int mbedtls_sha1_starts_ret( mbedtls_sha1_context *ctx )
+{
+    if( CRYS_HASH_Init( &ctx->crys_hash_ctx, CRYS_HASH_SHA1_mode ) != CRYS_OK )
+            return ( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
+    return ( 0 );
+}
+
+
+int mbedtls_sha1_update_ret( mbedtls_sha1_context *ctx,
+                             const unsigned char *input,
+                             size_t ilen )
+{
+    if( CRYS_HASH_Update( &ctx->crys_hash_ctx, (uint8_t*)input, ilen ) != CRYS_OK )
+        return ( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
+    return ( 0 );
+}
+
+int mbedtls_sha1_finish_ret( mbedtls_sha1_context *ctx,
+                             unsigned char output[20] )
+{
+    CRYSError_t crys_err = CRYS_OK;
+    CRYS_HASH_Result_t crys_result = {0};
+    crys_err = CRYS_HASH_Finish( &ctx->crys_hash_ctx, crys_result );
+    if( crys_err == CRYS_OK )
+    {
+        memcpy( output, crys_result, 20 );
+        return ( 0 );
+    }
+    else
+        return ( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
+}
+
+int mbedtls_internal_sha1_process( mbedtls_sha1_context *ctx,
+                                   const unsigned char data[64] )
+{
+    return( MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED );
+}
+#endif //MBEDTLS_SHA1_ALT