Merge pull request #10913 from RonEld/sha512_cc310_porting

Port CC 310 sha 512 driver

Author: Seppo Takalo

features/cryptocell/FEATURE_CRYPTOCELL310/mbedtls_device.h

@@ -24,6 +24,7 @@
 #define MBEDTLS_PLATFORM_SETUP_TEARDOWN_ALT
 #define MBEDTLS_SHA1_ALT
 #define MBEDTLS_SHA256_ALT
+//#define MBEDTLS_SHA512_ALT
 #define MBEDTLS_CCM_ALT
 //#define MBEDTLS_CMAC_ALT
 #define MBEDTLS_ECDSA_VERIFY_ALT

features/cryptocell/FEATURE_CRYPTOCELL310/sha512_alt.c

@@ -0,0 +1,84 @@
+/*
+ *  sha512_alt.c
+ *
+ *  Copyright (C) 2019, 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/sha512.h"
+#if defined(MBEDTLS_SHA512_ALT)
+#include <string.h>
+#include "mbedtls/platform.h"
+
+void mbedtls_sha512_init( mbedtls_sha512_context *ctx )
+{
+    memset( ctx, 0, sizeof( mbedtls_sha512_context ) );
+}
+
+void mbedtls_sha512_free( mbedtls_sha512_context *ctx )
+{
+    if( ctx == NULL )
+        return;
+    CRYS_HASH_Free( &ctx->crys_hash_ctx );
+    memset( ctx, 0, sizeof( mbedtls_sha512_context ) );
+}
+
+void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
+                           const mbedtls_sha512_context *src )
+{
+    memcpy(dst,src,sizeof(mbedtls_sha512_context));
+}
+
+
+int mbedtls_sha512_starts_ret( mbedtls_sha512_context *ctx, int is384 )
+{
+    if( is384 )
+        return( MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED );
+    if( CRYS_HASH_Init( &ctx->crys_hash_ctx, CRYS_HASH_SHA512_mode ) != CRYS_OK )
+        return ( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
+    return ( 0 );
+}
+
+int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx,
+                                     const unsigned char data[128] )
+{
+    return( MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED );
+}
+
+int mbedtls_sha512_update_ret( mbedtls_sha512_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_sha512_finish_ret( mbedtls_sha512_context *ctx,
+                               unsigned char output[64] )
+{
+    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,64);
+        return ( 0 );
+    }
+    else
+        return ( MBEDTLS_ERR_PLATFORM_HW_ACCEL_FAILED );
+}
+#endif //MBEDTLS_SHA512_ALT

features/cryptocell/FEATURE_CRYPTOCELL310/sha512_alt.h

@@ -0,0 +1,37 @@
+/*
+ *  sha512_alt.h
+ *
+ *  Copyright (C) 2019, 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.
+ *
+ */
+
+#ifndef __SHA512_ALT__
+#define __SHA512_ALT__
+
+#if defined(MBEDTLS_SHA512_ALT)
+
+#include "crys_hash.h"
+
+/**
+ * \brief          SHA-512 context structure
+ */
+typedef struct
+{
+    CRYS_HASHUserContext_t crys_hash_ctx;
+} mbedtls_sha512_context;
+
+#endif // MBEDTLS_SHA256_ALT__
+#endif //__SHA256_ALT__