refactor

lib/aes_acc/aesarm.h

@@ -0,0 +1,84 @@
+/*
+ * This file is adapted from https://github.com/CriticalBlue/mbedtls
+ */
+
+/**
+ * \file aes_armv8a_ce.h
+ *
+ * \brief AES support functions using the ARMv8-A Cryptography Extension for
+ * hardware acceleration on some ARM processors.
+ *
+ *  Copyright (C) 2016, CriticalBlue 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.
+ *
+ *  This file is part of mbed TLS (https://tls.mbed.org)
+ */
+
+#ifndef _AESARM_H_
+#define _AESARM_H_
+
+#ifndef AES_ENCRYPT
+#define AES_ENCRYPT     1
+#endif
+
+#ifndef AES_DECRYPT
+#define AES_DECRYPT     0
+#endif
+
+#if defined(__GNUC__) && \
+    __ARM_ARCH >= 8 && \
+    __ARM_ARCH_PROFILE == 'A' && \
+    defined(__aarch64__) &&  \
+    defined(__ARM_FEATURE_CRYPTO) && \
+    defined(__linux__) && \
+    !defined(NO_AESACC)
+#define HAVE_ARM64
+#endif
+
+#if defined(HAVE_ARM64)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief          ARMv8-A features detection routine
+ *
+ * \return         1 if the CPU has support for the feature, 0 otherwise
+ */
+int aesarm_supported( void );
+
+/**
+ * \brief          AES ARMv8-A Cryptography Extension AES-ECB block en(de)cryption
+ *
+ * \param nr       number of rounds
+ * \param rk       AES round keys
+ * \param mode     AESARM_ENCRYPT or AESARM_DECRYPT
+ * \param input    16-byte input block
+ * \param output   16-byte output block
+ */
+void aesarm_crypt_ecb( int nr,
+                       unsigned char *rk,
+                       int mode,
+                       const unsigned char input[16],
+                       unsigned char output[16] );
+
+#ifdef __cplusplus
+}
+#endif 
+
+#endif /* HAVE_ARM64 */
+
+#endif /* _AESARM_H_ */