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Diffstat (limited to 'FreeRTOS-Labs/Source/mbedtls/include/mbedtls/aesni.h')
| -rw-r--r-- | FreeRTOS-Labs/Source/mbedtls/include/mbedtls/aesni.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/FreeRTOS-Labs/Source/mbedtls/include/mbedtls/aesni.h b/FreeRTOS-Labs/Source/mbedtls/include/mbedtls/aesni.h new file mode 100644 index 000000000..513401a6d --- /dev/null +++ b/FreeRTOS-Labs/Source/mbedtls/include/mbedtls/aesni.h @@ -0,0 +1,138 @@ +/**
+ * \file aesni.h
+ *
+ * \brief AES-NI for hardware AES acceleration on some Intel processors
+ *
+ * \warning These functions are only for internal use by other library
+ * functions; you must not call them directly.
+ */
+/*
+ * 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_AESNI_H
+#define MBEDTLS_AESNI_H
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#include "aes.h"
+
+#define MBEDTLS_AESNI_AES 0x02000000u
+#define MBEDTLS_AESNI_CLMUL 0x00000002u
+
+#if defined(MBEDTLS_HAVE_ASM) && defined(__GNUC__) && \
+ ( defined(__amd64__) || defined(__x86_64__) ) && \
+ ! defined(MBEDTLS_HAVE_X86_64)
+#define MBEDTLS_HAVE_X86_64
+#endif
+
+#if defined(MBEDTLS_HAVE_X86_64)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief Internal function to detect the AES-NI feature in CPUs.
+ *
+ * \note This function is only for internal use by other library
+ * functions; you must not call it directly.
+ *
+ * \param what The feature to detect
+ * (MBEDTLS_AESNI_AES or MBEDTLS_AESNI_CLMUL)
+ *
+ * \return 1 if CPU has support for the feature, 0 otherwise
+ */
+int mbedtls_aesni_has_support( unsigned int what );
+
+/**
+ * \brief Internal AES-NI AES-ECB block encryption and decryption
+ *
+ * \note This function is only for internal use by other library
+ * functions; you must not call it directly.
+ *
+ * \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 on success (cannot fail)
+ */
+int mbedtls_aesni_crypt_ecb( mbedtls_aes_context *ctx,
+ int mode,
+ const unsigned char input[16],
+ unsigned char output[16] );
+
+/**
+ * \brief Internal GCM multiplication: c = a * b in GF(2^128)
+ *
+ * \note This function is only for internal use by other library
+ * functions; you must not call it directly.
+ *
+ * \param c Result
+ * \param a First operand
+ * \param b Second operand
+ *
+ * \note Both operands and result are bit strings interpreted as
+ * elements of GF(2^128) as per the GCM spec.
+ */
+void mbedtls_aesni_gcm_mult( unsigned char c[16],
+ const unsigned char a[16],
+ const unsigned char b[16] );
+
+/**
+ * \brief Internal round key inversion. This function computes
+ * decryption round keys from the encryption round keys.
+ *
+ * \note This function is only for internal use by other library
+ * functions; you must not call it directly.
+ *
+ * \param invkey Round keys for the equivalent inverse cipher
+ * \param fwdkey Original round keys (for encryption)
+ * \param nr Number of rounds (that is, number of round keys minus one)
+ */
+void mbedtls_aesni_inverse_key( unsigned char *invkey,
+ const unsigned char *fwdkey,
+ int nr );
+
+/**
+ * \brief Internal key expansion for encryption
+ *
+ * \note This function is only for internal use by other library
+ * functions; you must not call it directly.
+ *
+ * \param rk Destination buffer where the round keys are written
+ * \param key Encryption key
+ * \param bits Key size in bits (must be 128, 192 or 256)
+ *
+ * \return 0 if successful, or MBEDTLS_ERR_AES_INVALID_KEY_LENGTH
+ */
+int mbedtls_aesni_setkey_enc( unsigned char *rk,
+ const unsigned char *key,
+ size_t bits );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MBEDTLS_HAVE_X86_64 */
+
+#endif /* MBEDTLS_AESNI_H */
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