1 /* 2 * Copyright (C) 2022-2023 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 #ifndef HCF_RAND_SPI_H 17 #define HCF_RAND_SPI_H 18 19 #include <stdint.h> 20 #include "result.h" 21 #include "blob.h" 22 #include "object_base.h" 23 24 #define OPENSSL_RAND_ALGORITHM "CTR_DRBG" 25 26 typedef struct HcfRandSpi HcfRandSpi; 27 28 struct HcfRandSpi { 29 HcfObjectBase base; 30 31 const char *(*engineGetAlgoName)(HcfRandSpi *self); 32 33 HcfResult (*engineGenerateRandom)(HcfRandSpi *self, int32_t numBytes, HcfBlob *random); 34 35 void (*engineSetSeed)(HcfRandSpi *self, HcfBlob *seed); 36 }; 37 38 #endif