/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.text.SimpleDateFormat;
import java.util.Date;
 
/* Name of the class has to be "Main" only if the class is public. */
class Main {
	public static void main(String[] args) {
		String date = new SimpleDateFormat("yyMMdd").format( new Date());
 
		String chanlCustNo = "SZ32200009024371101";
		int len = 32 - date.length() - chanlCustNo.length();
		StringBuilder sb = new StringBuilder();
		for(int i = 0; i < len; i++) {
			sb.append( "0");
		}
		String key = sb.toString() + chanlCustNo + date;
		key = key.substring(0, 32);
		System.out.println(key);
 
 
		String text = key;
		byte[] hexbyte = text.getBytes();
		// for (byte b : hexbyte) {
	 //   System.out.println(b);
	// };
		    System.out.println("------------");
 
		byte[] bitmap = new byte[hexbyte.length / 2];
		for (int i = 0; i < bitmap.length; i++) {
			System.out.println(hexbyte[i * 2]);
			System.out.println(hexbyte[i * 2 + 1]);
		    System.out.println("------------1");
 
			hexbyte[i * 2] -= hexbyte[i * 2] > '9' ? 7 : 0;
			hexbyte[i * 2 + 1] -= hexbyte[i * 2 + 1] > '9' ? 7 : 0;
			System.out.println(hexbyte[i * 2]+ "hexbyte[i * 2]");
			System.out.println(hexbyte[i * 2 + 1]+"hexbyte[i * 2 + 1]");
			bitmap[i] = (byte) ((hexbyte[i * 2] << 4 & 0xf0) | (hexbyte[i * 2 + 1] & 0x0f));
			System.out.println(bitmap[i]+ "bitmap[i]");
		    System.out.println("------------3");
		}
				for (byte b : bitmap) {
	    System.out.println(b);
	};
		System.out.println(bitmap);
	}
}

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