1 /* 2 * Copyright (C) 2023 Rockchip Electronics Co., Ltd. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _CRC_H 18 #define _CRC_H 19 #include "defineHeader.h" 20 extern USHORT CRC_16(BYTE * aData, UINT aSize); 21 extern UINT CRC_32(PBYTE pData, UINT ulSize, UINT uiPreviousValue); 22 extern void P_RC4(BYTE * buf, USHORT len); 23 extern void bch_encode(BYTE *encode_in, BYTE *encode_out); 24 extern USHORT CRC_CCITT(UCHAR *p, UINT CalculateNumber); 25 extern void generate_gf(); 26 extern void gen_poly(); 27 #endif 28