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Implement the missing parts to link message layer to CHIP.
* Implement a basic set of protocols to enable basic feature of message layer * Add message layer to GN build system Restyled by whitespace Restyled by clang-format Restyled by gn
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| /* | ||
| * | ||
| * Copyright (c) 2020 Project CHIP Authors | ||
| * Copyright (c) 2013-2017 Nest Labs, Inc. | ||
| * All rights reserved. | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
||
| /** | ||
| * @file | ||
| * This file implements AES block cipher functions for the Weave layer. | ||
| * The implementation is based on the OpenSSL library functions. | ||
| * This implementation is used when #CHIP_CONFIG_AES_IMPLEMENTATION_OPENSSL | ||
| * is enabled (1). | ||
| * | ||
| */ | ||
|
|
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| #include <string.h> | ||
|
|
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| #include "AESBlockCipher.h" | ||
| #include "CHIPCrypto.h" | ||
|
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| namespace chip { | ||
| namespace Platform { | ||
| namespace Security { | ||
|
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| using namespace chip::Crypto; | ||
|
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| AES128BlockCipher::AES128BlockCipher() | ||
| { | ||
| memset(&mKey, 0, sizeof(mKey)); | ||
| } | ||
|
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| AES128BlockCipher::~AES128BlockCipher() | ||
| { | ||
| Reset(); | ||
| } | ||
|
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| void AES128BlockCipher::Reset() | ||
| { | ||
| ClearSecretData((uint8_t *) &mKey, sizeof(mKey)); | ||
| } | ||
|
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| void AES128BlockCipherEnc::SetKey(const uint8_t * key) | ||
| { | ||
| // AES_set_encrypt_key(key, kKeyLengthBits, &mKey); | ||
| } | ||
|
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| void AES128BlockCipherEnc::EncryptBlock(const uint8_t * inBlock, uint8_t * outBlock) | ||
| { | ||
| // AES_encrypt(inBlock, outBlock, &mKey); | ||
| } | ||
|
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| void AES128BlockCipherDec::SetKey(const uint8_t * key) | ||
| { | ||
| // AES_set_decrypt_key(key, kKeyLengthBits, &mKey); | ||
| } | ||
|
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| void AES128BlockCipherDec::DecryptBlock(const uint8_t * inBlock, uint8_t * outBlock) | ||
| { | ||
| // AES_decrypt(inBlock, outBlock, &mKey); | ||
| } | ||
|
|
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| AES256BlockCipher::AES256BlockCipher() | ||
| { | ||
| memset(&mKey, 0, sizeof(mKey)); | ||
| } | ||
|
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| AES256BlockCipher::~AES256BlockCipher() | ||
| { | ||
| Reset(); | ||
| } | ||
|
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| void AES256BlockCipher::Reset() | ||
| { | ||
| ClearSecretData((uint8_t *) &mKey, sizeof(mKey)); | ||
| } | ||
|
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| void AES256BlockCipherEnc::SetKey(const uint8_t * key) | ||
| { | ||
| // AES_set_encrypt_key(key, kKeyLengthBits, &mKey); | ||
| } | ||
|
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| void AES256BlockCipherEnc::EncryptBlock(const uint8_t * inBlock, uint8_t * outBlock) | ||
| { | ||
| // AES_encrypt(inBlock, outBlock, &mKey); | ||
| } | ||
|
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| void AES256BlockCipherDec::SetKey(const uint8_t * key) | ||
| { | ||
| // AES_set_decrypt_key(key, kKeyLengthBits, &mKey); | ||
| } | ||
|
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| void AES256BlockCipherDec::DecryptBlock(const uint8_t * inBlock, uint8_t * outBlock) | ||
| { | ||
| // AES_decrypt(inBlock, outBlock, &mKey); | ||
| } | ||
|
|
||
| } // namespace Security | ||
| } // namespace Platform | ||
| } // namespace chip |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| /* | ||
| * | ||
| * Copyright (c) 2020 Project CHIP Authors | ||
| * Copyright (c) 2013-2017 Nest Labs, Inc. | ||
| * All rights reserved. | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
||
| /** | ||
| * @file | ||
| * This file implements general purpose cryptographic functions for the Message layer. | ||
| * | ||
| */ | ||
|
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| #include <string.h> | ||
|
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| #include "CHIPCrypto.h" | ||
|
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| namespace chip { | ||
| namespace Crypto { | ||
|
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| /** | ||
| * Compares the first `len` bytes of memory area `buf1` and memory area `buf2`. | ||
| * | ||
| * The time taken by this function is independent of the data in memory areas `buf1` and `buf2`. | ||
| * | ||
| * @param[in] buf1 Pointer to a memory block. | ||
| * | ||
| * @param[in] buf2 Pointer to a memory block. | ||
| * | ||
| * @param[in] len Size of memory area to compare in bytes. | ||
| * | ||
| * @retval true if first \c len bytes of memory area \c buf1 and \c buf2 are equal. | ||
| * @retval false otherwise. | ||
| * | ||
| */ | ||
| bool ConstantTimeCompare(const uint8_t * buf1, const uint8_t * buf2, uint16_t len) | ||
| { | ||
| uint8_t c = 0; | ||
| for (uint16_t i = 0; i < len; i++) | ||
| c |= buf1[i] ^ buf2[i]; | ||
| return c == 0; | ||
| } | ||
|
|
||
| } // namespace Crypto | ||
| } // namespace chip |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| /* | ||
| * | ||
| * Copyright (c) 2020 Project CHIP Authors | ||
| * Copyright (c) 2013-2017 Nest Labs, Inc. | ||
| * All rights reserved. | ||
| * | ||
| * 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. | ||
| */ | ||
|
|
||
| /** | ||
| * @file | ||
| * This file implements secure random data initialization and generation functions | ||
| * for the Weave layer. The implementation is based on the OpenSSL Library functions. | ||
| * This implementation is used when #WEAVE_CONFIG_RNG_IMPLEMENTATION_OPENSSL | ||
| * is enabled (1). | ||
| * | ||
| */ | ||
|
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| #include "CHIPRNG.h" | ||
|
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| namespace chip { | ||
| namespace Platform { | ||
| namespace Security { | ||
|
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| CHIP_ERROR InitSecureRandomDataSource(chip::Crypto::EntropyFunct entropyFunct, uint16_t entropyLen, | ||
| const uint8_t * personalizationData, uint16_t perDataLen) | ||
| { | ||
| return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE; | ||
| } | ||
|
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| CHIP_ERROR GetSecureRandomData(uint8_t * buf, uint16_t len) | ||
| { | ||
| return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE; | ||
| } | ||
|
|
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| } // namespace Security | ||
| } // namespace Platform | ||
| } // namespace chip |
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