Diff: include/mbedtls/padlock.h

Revision:

0:cdf462088d13

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/mbedtls/padlock.h	Thu Jan 05 00:18:44 2017 +0000
@@ -0,0 +1,107 @@
+/**
+ * \file padlock.h
+ *
+ * \brief VIA PadLock ACE for HW encryption/decryption supported by some
+ *        processors
+ *
+ *  Copyright (C) 2006-2015, 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.
+ *
+ *  This file is part of mbed TLS (https://tls.mbed.org)
+ */
+#ifndef MBEDTLS_PADLOCK_H
+#define MBEDTLS_PADLOCK_H
+
+#include "aes.h"
+
+#define MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED               -0x0030  /**< Input data should be aligned. */
+
+#if defined(__has_feature)
+#if __has_feature(address_sanitizer)
+#define MBEDTLS_HAVE_ASAN
+#endif
+#endif
+
+/* Some versions of ASan result in errors about not enough registers */
+#if defined(MBEDTLS_HAVE_ASM) && defined(__GNUC__) && defined(__i386__) && \
+    !defined(MBEDTLS_HAVE_ASAN)
+
+#ifndef MBEDTLS_HAVE_X86
+#define MBEDTLS_HAVE_X86
+#endif
+
+#include <stdint.h>
+
+#define MBEDTLS_PADLOCK_RNG 0x000C
+#define MBEDTLS_PADLOCK_ACE 0x00C0
+#define MBEDTLS_PADLOCK_PHE 0x0C00
+#define MBEDTLS_PADLOCK_PMM 0x3000
+
+#define MBEDTLS_PADLOCK_ALIGN16(x) (uint32_t *) (16 + ((int32_t) x & ~15))
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief          PadLock detection routine
+ *
+ * \param feature  The feature to detect
+ *
+ * \return         1 if CPU has support for the feature, 0 otherwise
+ */
+int mbedtls_padlock_has_support( int feature );
+
+/**
+ * \brief          PadLock AES-ECB block en(de)cryption
+ *
+ * \param ctx      AES context
+ * \param mode     MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
+ * \param input    16-byte input block
+ * \param output   16-byte output block
+ *
+ * \return         0 if success, 1 if operation failed
+ */
+int mbedtls_padlock_xcryptecb( mbedtls_aes_context *ctx,
+                       int mode,
+                       const unsigned char input[16],
+                       unsigned char output[16] );
+
+/**
+ * \brief          PadLock AES-CBC buffer en(de)cryption
+ *
+ * \param ctx      AES context
+ * \param mode     MBEDTLS_AES_ENCRYPT or MBEDTLS_AES_DECRYPT
+ * \param length   length of the input data
+ * \param iv       initialization vector (updated after use)
+ * \param input    buffer holding the input data
+ * \param output   buffer holding the output data
+ *
+ * \return         0 if success, 1 if operation failed
+ */
+int mbedtls_padlock_xcryptcbc( mbedtls_aes_context *ctx,
+                       int mode,
+                       size_t length,
+                       unsigned char iv[16],
+                       const unsigned char *input,
+                       unsigned char *output );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAVE_X86  */
+
+#endif /* padlock.h */