diff options
Diffstat (limited to 'FreeRTOS-Labs/Source/mbedtls/include/mbedtls/xtea.h')
| -rw-r--r-- | FreeRTOS-Labs/Source/mbedtls/include/mbedtls/xtea.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/FreeRTOS-Labs/Source/mbedtls/include/mbedtls/xtea.h b/FreeRTOS-Labs/Source/mbedtls/include/mbedtls/xtea.h new file mode 100644 index 000000000..de380ee77 --- /dev/null +++ b/FreeRTOS-Labs/Source/mbedtls/include/mbedtls/xtea.h @@ -0,0 +1,139 @@ +/**
+ * \file xtea.h
+ *
+ * \brief XTEA block cipher (32-bit)
+ */
+/*
+ * 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_XTEA_H
+#define MBEDTLS_XTEA_H
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#include <stddef.h>
+#include <stdint.h>
+
+#define MBEDTLS_XTEA_ENCRYPT 1
+#define MBEDTLS_XTEA_DECRYPT 0
+
+#define MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH -0x0028 /**< The data input has an invalid length. */
+
+/* MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED is deprecated and should not be used. */
+#define MBEDTLS_ERR_XTEA_HW_ACCEL_FAILED -0x0029 /**< XTEA hardware accelerator failed. */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if !defined(MBEDTLS_XTEA_ALT)
+// Regular implementation
+//
+
+/**
+ * \brief XTEA context structure
+ */
+typedef struct mbedtls_xtea_context
+{
+ uint32_t k[4]; /*!< key */
+}
+mbedtls_xtea_context;
+
+#else /* MBEDTLS_XTEA_ALT */
+#include "xtea_alt.h"
+#endif /* MBEDTLS_XTEA_ALT */
+
+/**
+ * \brief Initialize XTEA context
+ *
+ * \param ctx XTEA context to be initialized
+ */
+void mbedtls_xtea_init( mbedtls_xtea_context *ctx );
+
+/**
+ * \brief Clear XTEA context
+ *
+ * \param ctx XTEA context to be cleared
+ */
+void mbedtls_xtea_free( mbedtls_xtea_context *ctx );
+
+/**
+ * \brief XTEA key schedule
+ *
+ * \param ctx XTEA context to be initialized
+ * \param key the secret key
+ */
+void mbedtls_xtea_setup( mbedtls_xtea_context *ctx, const unsigned char key[16] );
+
+/**
+ * \brief XTEA cipher function
+ *
+ * \param ctx XTEA context
+ * \param mode MBEDTLS_XTEA_ENCRYPT or MBEDTLS_XTEA_DECRYPT
+ * \param input 8-byte input block
+ * \param output 8-byte output block
+ *
+ * \return 0 if successful
+ */
+int mbedtls_xtea_crypt_ecb( mbedtls_xtea_context *ctx,
+ int mode,
+ const unsigned char input[8],
+ unsigned char output[8] );
+
+#if defined(MBEDTLS_CIPHER_MODE_CBC)
+/**
+ * \brief XTEA CBC cipher function
+ *
+ * \param ctx XTEA context
+ * \param mode MBEDTLS_XTEA_ENCRYPT or MBEDTLS_XTEA_DECRYPT
+ * \param length the length of input, multiple of 8
+ * \param iv initialization vector for CBC mode
+ * \param input input block
+ * \param output output block
+ *
+ * \return 0 if successful,
+ * MBEDTLS_ERR_XTEA_INVALID_INPUT_LENGTH if the length % 8 != 0
+ */
+int mbedtls_xtea_crypt_cbc( mbedtls_xtea_context *ctx,
+ int mode,
+ size_t length,
+ unsigned char iv[8],
+ const unsigned char *input,
+ unsigned char *output);
+#endif /* MBEDTLS_CIPHER_MODE_CBC */
+
+#if defined(MBEDTLS_SELF_TEST)
+
+/**
+ * \brief Checkup routine
+ *
+ * \return 0 if successful, or 1 if the test failed
+ */
+int mbedtls_xtea_self_test( int verbose );
+
+#endif /* MBEDTLS_SELF_TEST */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* xtea.h */
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