import java.security.MessageDigest;import javax.xml.bind.annotation.adapters.HexBinaryAdapter;public class Main {static String src = "Hello,sahadev!";public static void main(String[] args) {MD5();MD2();SHA();}/*** MD5加密*/public static void MD5() {try {// 獲取MD5加密工具MessageDigest md = MessageDigest.getInstance("MD5");// 加密byte[] digest = md.digest(src.getBytes());// 獲取二進制十六進制互轉工具HexBinaryAdapter hexBinaryAdapter = new HexBinaryAdapter();// 將二進制數組轉換為十六進制字符串String marshal = hexBinaryAdapter.marshal(digest);// 輸出結果System.out.println(marshal);} catch (Exception e) {e.printStackTrace();}}/*** MD2加密*/public static void MD2() {try {// 獲取MD2加密工具MessageDigest md = MessageDigest.getInstance("MD2");// 加密byte[] digest = md.digest(src.getBytes());// 獲取二進制十六進制互轉工具HexBinaryAdapter hexBinaryAdapter = new HexBinaryAdapter();// 將二進制數組轉換為十六進制字符串String marshal = hexBinaryAdapter.marshal(digest);// 輸出結果System.out.println(marshal);} catch (Exception e) {e.printStackTrace();}}public static void SHA() {try {// 獲取MD2加密工具MessageDigest md = MessageDigest.getInstance("SHA");// 加密byte[] digest = md.digest(src.getBytes());// 獲取二進制十六進制互轉工具HexBinaryAdapter hexBinaryAdapter = new HexBinaryAdapter();// 將二進制數組轉換為十六進制字符串String marshal = hexBinaryAdapter.marshal(digest);// 輸出結果System.out.println(marshal);} catch (Exception e) {e.printStackTrace();}}} 輸出結果： MD5 : 8FC69C57ACC2258C7B4A9D39DC4C940B MD2 : 9EAF08289903A29C3C58D2AAA25BD83D SHA : 1B1330BFC6257FC9F4B4ED5CB605FA4109608CCA

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