Java gets the CRC8 check code for the string (modified by the Code of the C program in order to Java code)

CRC8 algorithm Please Baidu, I do not understand, here just to run their own successful structure posted out. The method Crc8_tab is not handled here because it is not used in my program.

Package Com.crc;public class Ccrc8_3 {/*public static int[] Crc8_tab = {0x00, 0x07, 0x0E, 0x09, 0x1C, 0x1B, 0x12,0x15, 0x 0x3F, 0x36, 0x31, 0x24, 0x23, 0x2A, 0x2D, 0x70, 0x77,0x7e, 0x79, 0x6c, 0x6b, 0x62, 0x65, 0x48, 0x4f, 0x46, 0x41, 0x54, 0x53, 0x5A, 0x5d, 0xE0, 0xE7, 0xEE, 0xe9, 0xFC, 0xFB, 0xF2, 0xf5,0xd8, 0xDF, 0xd6, 0xD1, 0xc4, 0xC3, 0xCA, 0xCD, 0x90, 0x9 7, 0x9e,0x99, 0x8c, 0x8b, 0x82, 0x85, 0xa8, 0xAF, 0xa6, 0xa1, 0xb4, 0xb3,0xba, 0xBD, 0xC7, 0xC0, 0xc9, 0xCE, 0xDB, 0xDC, 0  XD5, 0xd2, 0xff,0xf8, 0xF1, 0xf6, 0xe3, 0xE4, 0xED, 0xEA, 0xb7, 0xb0, 0xb9, 0xbe,0xab, 0xAC, 0xa5, 0xa2, 0x8F, 0x88, 0x81, 0x86, 0x93, 0x94, 0x9d,0x9a, 0x27, 0x20, 0x29, 0x2e, 0x3B, 0x3C, 0x35, 0x32, 0x1F, 0x18,0x11, 0x16, 0x03, 0x04, 0x0D, 0x0 A, 0x57, 0x50, 0x59, 0x5E, 0x4b,0x4c, 0x45, 0x42, 0x6F, 0x68, 0x61, 0x66, 0x73, 0x74, 0x7d, 0x7a,0x89, 0x8E, 0x87, 0x80, 0  X95, 0x92, 0x9b, 0x9c, 0xb1, 0xb6, 0xbf,0xb8, 0xAD, 0xAA, 0xa3, 0xa4, 0xf9, 0xFE, 0xf7, 0xF0, 0xe5, 0xe2,0xeb, 0xEC, 0xC1, 0xC6, 0xCF, 0xC8, 0xDD, 0xDA, 0xd3, 0xd4, 0x69,0x6e, 0x67, 0x60, 0x75, 0x72, 0x7B, 0x7C, 0x51, 0x56, 0x5f, 0x58,0x4d, 0x4A, 0x43, 0x44, 0x19, 0x1 E, 0x17, 0x10, 0x05, 0x02, 0x0b,0x0c, 0x21, 0x26, 0x2F, 0x28, 0x3d, 0x3A, 0x33, 0x34, 0x4E, 0x49,0x40, 0x47, 0x52, 0x55, 0  X5C, 0x5b, 0x76, 0x71, 0x78, 0x7F, 0x6a,0x6d, 0x64, 0x63, 0x3e, 0x39, 0x30, 0x37, 0x22, 0x25, 0x2C, 0x2b,0x06, 0x01, 0x08, 0x0F, 0x1A, 0x1D, 0x14, 0x13, 0xAE, 0xa9, 0xa0,0xa7, 0xb2, 0xb5, 0xBC, 0xBB, 0x96, 0x91, 0x98, 0x9F, 0x8A, 0x8d,0x84, 0x8 3, 0xDE, 0XD9, 0xD0, 0xD7, 0xC2, 0xC5, 0xCC, 0xCB, 0xe6,0xe1, 0xe8, 0xEF, 0xFA, 0xFD, 0xf4, 0xf3};p ublic static int crc8_ Tab (int ucptr,int uclen) {int UCINDEX;//CRC8 check table index int ucCRC8 =0;//crc8 byte initialize//CRC8 bit check while (Uclen--! =0) {ucindex= uccrc8^ (ucptr++); uccrc8=crc8_tab[ucindex];} Returns the CRC8 checksum data               return (~ucCRC8 );} */public static int FINDCRC (byte[] data) {int Crc=0;int genpoly = 0xaa;for (int i=0;i<data.length; i++) {CRC ^= Data[i];foR (int j=0;j<8;j++) {if (CRC & 0x80)! = 0) {CRC = (CRC << 1) ^ genpoly;} ELSE{CRC <<= 1;}}} The CRC &= 0xff;//guarantees a CRC remainder code output of 2 bytes. return CRC;} public static void Main (string[] args) {String abc = "12431312SDRFD"; int crc2 = FINDCRC (Abc.getbytes ()); String CRC16 = integer.tohexstring (CRC2);//convert 10 binary results to 16//If you want to ensure that the check code must be 2 bits, you can first determine whether the result is smaller than 16, if it is smaller than 16, you can add 0if in front of the result of the 16 binary ( Crc2 <) {CRC16 = "0" +CRC16;} System.out.println (CRC16);}}

　　

Java gets the CRC8 check code for the string (modified by the Code of the C program in order to Java code)