1 /* 2 * Copyright (c) 2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 // [Start generate_aes_key] 17 #include "CryptoArchitectureKit/crypto_common.h" 18 #include "CryptoArchitectureKit/crypto_sym_key.h" 19 #include "file.h" 20 testGenerateSymKey()21OH_Crypto_ErrCode testGenerateSymKey() 22 { 23 OH_CryptoSymKeyGenerator *ctx = nullptr; 24 OH_CryptoSymKey *keyCtx = nullptr; 25 Crypto_DataBlob out = {.data = nullptr, .len = 0}; 26 OH_Crypto_ErrCode ret = OH_CryptoSymKeyGenerator_Create("AES256", &ctx); 27 if (ret != CRYPTO_SUCCESS) { 28 return ret; 29 } 30 ret = OH_CryptoSymKeyGenerator_Generate(ctx, &keyCtx); 31 if (ret != CRYPTO_SUCCESS) { 32 OH_CryptoSymKeyGenerator_Destroy(ctx); 33 return ret; 34 } 35 ret = OH_CryptoSymKey_GetKeyData(keyCtx, &out); 36 OH_CryptoSymKeyGenerator_Destroy(ctx); 37 OH_CryptoSymKey_Destroy(keyCtx); 38 if (ret != CRYPTO_SUCCESS) { 39 return ret; 40 } 41 OH_Crypto_FreeDataBlob(&out); 42 return ret; 43 } 44 // [End generate_aes_key] 45