mirror of
https://github.com/openharmony/communication_t2stack.git
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erestu
3c54ed67b2
Change-Id: Ia22e6bf01c8cf8d540dcb5560a7c9da4abe2d82d Signed-off-by: erestu <zhangjiayu24@huawei.com>
84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
/*
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* Copyright (C) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef NSTACKX_OPENSSL_H
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#define NSTACKX_OPENSSL_H
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#include "nstackx_common_header.h"
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#ifdef SSL_AND_CRYPTO_INCLUDED
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#include <openssl/ssl.h>
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#include <openssl/aes.h>
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#include <openssl/evp.h>
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#include <openssl/rand.h>
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#endif // SSL_AND_CRYPTO_INCLUDED
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define AES_128_KEY_LENGTH 16
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#define AES_192_KEY_LENGTH 24
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#define AES_256_KEY_LENGTH 32
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#define GCM_IV_LENGTH 12
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#define GCM_MAX_AAD_LENGTH 64
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#define GCM_TAG_LENGTH 16
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#define GCM_ADDED_LEN (GCM_IV_LENGTH + GCM_TAG_LENGTH)
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#define CHACHA20_KEY_LENGTH 32
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#define CHACHA20_POLY1305_NAME "chacha20-poly1305"
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#ifndef SSL_AND_CRYPTO_INCLUDED
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typedef void EVP_CIPHER_CTX;
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#undef GCM_TAG_LENGTH
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#define GCM_TAG_LENGTH 0
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#undef GCM_ADDED_LEN
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#define GCM_ADDED_LEN 0
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#endif // SSL_AND_CRYPTO_INCLUDED
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typedef struct {
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uint8_t key[AES_256_KEY_LENGTH];
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uint32_t keylen;
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uint8_t iv[GCM_IV_LENGTH];
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uint32_t ivLen;
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uint8_t aad[GCM_MAX_AAD_LENGTH];
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uint32_t aadLen;
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EVP_CIPHER_CTX *ctx;
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uint8_t cipherType;
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} CryptPara;
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typedef struct {
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const uint8_t *buf;
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uint32_t len;
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} AesVec;
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NSTACKX_EXPORT EVP_CIPHER_CTX *CreateCryptCtx(void);
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NSTACKX_EXPORT void ClearCryptCtx(EVP_CIPHER_CTX *ctx);
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NSTACKX_EXPORT uint32_t AesGcmEncryptVec(AesVec *vec, uint32_t vecNum, CryptPara *cryptPara,
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uint8_t *outBuf, uint32_t outLen);
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NSTACKX_EXPORT uint32_t AesGcmEncrypt(const uint8_t *inBuff, uint32_t inLen, CryptPara *cryptPara,
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uint8_t *outBuff, uint32_t outLen);
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NSTACKX_EXPORT uint32_t AesGcmDecrypt(uint8_t *inBuff, uint32_t inLen, CryptPara *cryptPara,
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uint8_t *outBuff, uint32_t outLen);
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NSTACKX_EXPORT int32_t GetRandBytes(uint8_t *buf, uint32_t len);
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NSTACKX_EXPORT uint8_t IsCryptoIncluded(void);
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NSTACKX_EXPORT uint8_t QueryCipherSupportByName(char *name);
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NSTACKX_EXPORT uint8_t IsSupportHardwareAesNi(void);
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#ifdef __cplusplus
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}
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#endif
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#endif // NSTACKX_OPENSSL_H
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