[修改] 增加freeRTOS

1. 版本FreeRTOSv202212.01，命名为kernel；

kernel/FreeRTOS-Plus/Source/AWS/sigv4/test/cbmc/include/README.md

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+CBMC proof include files
+========================
+
+This directory contains include files written for CBMC proof.  It is
+common to write some code to model aspects of the system under test,
+and the header files for this code go here.

kernel/FreeRTOS-Plus/Source/AWS/sigv4/test/cbmc/include/hash_stubs.h

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+/*
+ * SigV4 Library v1.2.0
+ * Copyright (C) 2021 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * @file hash_stubs.h
+ * @brief Declarations for stubs used in sigv4.c.
+ * Please see sigv4.c for documentation.
+ */
+
+#ifndef HASH_STUBS_H_
+#define HASH_STUBS_H_
+
+/* Standard includes. */
+#include <stdint.h>
+#include <stddef.h>
+#include <string.h>
+
+int32_t HashInitStub( void * pHashContext );
+
+int32_t HashUpdateStub( void * pHashContext,
+                        const char * pInput,
+                        size_t inputLen );
+
+int32_t HashFinalStub( void * pHashContext,
+                       const char * pInput,
+                       size_t inputLen );
+
+#endif /* ifndef HASH_STUBS_H_ */

kernel/FreeRTOS-Plus/Source/AWS/sigv4/test/cbmc/include/sigv4_annex.h

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+/*
+ * SigV4 Library v1.2.0
+ * Copyright (C) 2021 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef SIGV4_ANNEX_H_
+#define SIGV4_ANNEX_H_
+
+#include "sigv4.h"
+#include "sigv4_internal.h"
+
+/*
+ * These are declarations for the (normally) static functions from sigv4.c.
+ * Please see sigv4.c for documentation.
+ */
+
+SigV4Status_t copyHeaderStringToCanonicalBuffer( const char * pData,
+                                                 size_t dataLen,
+                                                 uint32_t flags,
+                                                 char separator,
+                                                 CanonicalContext_t * canonicalRequest );
+
+#endif /* ifndef SIGV4_ANNEX_H_ */

kernel/FreeRTOS-Plus/Source/AWS/sigv4/test/cbmc/include/sigv4_config.h

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+/*
+ * SigV4 Library v1.2.0
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * @file sigv4_config.h
+ * @brief The default values for configuration macros used by the SigV4 Library.
+ *
+ * @note This file should NOT be modified. If custom values are needed for any
+ * configuration macros, a sigv4_config.h file should be provided to the SigV4
+ * Library to override the default values defined in this file. To use
+ * the custom config file, the preprocessor macro SIGV4_DO_NOT_USE_CUSTOM_CONFIG
+ * must NOT be set.
+ */
+
+#ifndef SIGV4_CONFIG_H_
+#define SIGV4_CONFIG_H_
+
+/**
+ * @brief Macro indicating the largest block size of any hashing
+ * algorithm used for SigV4 authentication i.e. the maximum of all
+ * values specified for the hashBlockLen in #SigV4CryptoInterface_t.
+ * For example, using SHA-512 would require this value to be at least 128.
+ *
+ * <b>Possible values:</b> Any positive 32 bit integer. <br>
+ * <b>Default value:</b> `64`
+ */
+#define SIGV4_HASH_MAX_BLOCK_LENGTH     ( MAX_HASH_BLOCK_LEN - 1U )
+
+/**
+ * @brief Macro defining the maximum digest length of the specified hash function,
+ * used to determine the length of the output buffer.
+ *
+ * This macro should be updated if using a hashing algorithm other than SHA256
+ * (32 byte digest length). For example, using SHA512 would require this
+ * value to be at least 64.
+ *
+ * <b>Possible values:</b> Any positive 32 bit integer. <br>
+ * <b>Default value:</b> `32`
+ */
+#define SIGV4_HASH_MAX_DIGEST_LENGTH    ( MAX_HASH_DIGEST_LEN - 1U )
+
+/**
+ * @brief Macro defining the size of the internal buffer used for incremental
+ * canonicalization and hashing.
+ *
+ * A buffer of this size in bytes is declared on the stack. It should be be
+ * large enough for the digest output of the specified hash function.
+ *
+ * <b>Possible values:</b> Any positive 32 bit integer. <br>
+ * <b>Default value:</b> `1024`
+ */
+#ifndef SIGV4_PROCESSING_BUFFER_LENGTH
+    #define SIGV4_PROCESSING_BUFFER_LENGTH    60U
+#endif
+
+/**
+ * @brief Macro defining the maximum number of headers in the request, used to
+ * assist the library in sorting header fields during canonicalization.
+ *
+ * This macro should be updated if the number of request headers the application
+ * wishes to sign is higher or lower than the default value (100).
+ *
+ * <b>Possible values:</b> Any positive 32 bit integer. <br>
+ * <b>Default value:</b> `100`
+ */
+#ifndef SIGV4_MAX_HTTP_HEADER_COUNT
+    #define SIGV4_MAX_HTTP_HEADER_COUNT    5U
+#endif
+
+/**
+ * @brief Macro defining the maximum number of query key/value pairs, used to
+ * assist the library in sorting query keys during canonicalization.
+ *
+ * This macro should be updated if the number of query key/value pairs the
+ * application wishes to sign is higher or lower than the default value (100).
+ *
+ * <b>Possible values:</b> Any positive 32 bit integer. <br>
+ * <b>Default value:</b> `100`
+ */
+#ifndef SIGV4_MAX_QUERY_PAIR_COUNT
+    #define SIGV4_MAX_QUERY_PAIR_COUNT    5U
+#endif
+
+#endif /* ifndef SIGV4_CONFIG_H_ */

kernel/FreeRTOS-Plus/Source/AWS/sigv4/test/cbmc/include/sigv4_stubs.h

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+/*
+ * SigV4 Library v1.2.0
+ * Copyright (C) 2021 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * @file sigv4_stubs.h
+ * @brief Declarations for the (normally) static functions from sigv4.c.
+ * Please see sigv4.c for documentation.
+ */
+
+#ifndef SIGV4_STUBS_H_
+#define SIGV4_STUBS_H_
+
+#include <stdbool.h>
+
+#include <sigv4.h>
+#include <sigv4_internal.h>
+
+void addToDate( const char formatChar,
+                int32_t result,
+                SigV4DateTime_t * pDateElements );
+
+SigV4Status_t scanValue( const char * pDate,
+                         const char formatChar,
+                         size_t readLoc,
+                         size_t lenToRead,
+                         SigV4DateTime_t * pDateElements );
+
+SigV4Status_t writeLineToCanonicalRequest( const char * pLine,
+                                           size_t lineLen,
+                                           CanonicalContext_t * pCanonicalContext );
+
+SigV4Status_t encodeURI( const char * pUri,
+                         size_t uriLen,
+                         char * pCanonicalURI,
+                         size_t * canonicalURILen,
+                         bool encodeSlash,
+                         bool doubleEncodeEquals );
+
+SigV4Status_t generateCanonicalQuery( const char * pQuery,
+                                      size_t queryLen,
+                                      CanonicalContext_t * pCanonicalContext );
+
+SigV4Status_t generateCanonicalAndSignedHeaders( const char * pHeaders,
+                                                 size_t headersLen,
+                                                 uint32_t flags,
+                                                 CanonicalContext_t * canonicalRequest,
+                                                 char ** pSignedHeaders,
+                                                 size_t * pSignedHeadersLen );
+
+SigV4Status_t copyHeaderStringToCanonicalBuffer( const char * pData,
+                                                 size_t dataLen,
+                                                 uint32_t flags,
+                                                 char separator,
+                                                 CanonicalContext_t * canonicalRequest );
+
+#endif /* ifndef SIGV4_STUBS_H_ */