1 /** 2 * Copyright (c) 2020 HiSilicon (Shanghai) Technologies CO., LIMITED. 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 * Description: security api for romboot. \n 16 * 17 */ 18 19 #ifndef DRV_ROM_CIPHER_H 20 #define DRV_ROM_CIPHER_H 21 22 int drv_rom_cipher_init(void); 23 int drv_rom_cipher_deinit(void); 24 25 /* support data_length not 64 bytes aligned. */ 26 int drv_rom_cipher_sha256(const unsigned char *data, unsigned int data_length, unsigned char *hash, 27 unsigned int hash_length); 28 29 int drv_rom_cipher_get_randnum(unsigned int *randnum); 30 31 /* ecc verify. */ 32 typedef struct { 33 unsigned char *x; 34 unsigned char *y; 35 unsigned int length; 36 } drv_rom_cipher_ecc_point; 37 38 typedef struct { 39 unsigned int length; 40 unsigned char *data; 41 } drv_rom_cipher_data; 42 43 typedef struct { 44 unsigned char *r; 45 unsigned char *s; 46 unsigned int length; 47 } drv_rom_cipher_ecc_sig; 48 49 int drv_rom_cipher_pke_bp256r_verify(const drv_rom_cipher_ecc_point *pub_key, const drv_rom_cipher_data *hash, 50 const drv_rom_cipher_ecc_sig *sig); 51 #endif