java 密码加密(SHA MD5)

 

import org.springframework.security.authentication.encoding.Md5PasswordEncoder;
import org.springframework.security.authentication.encoding.PasswordEncoder;
import org.springframework.security.authentication.encoding.ShaPasswordEncoder;



public class HashCrypt {
	public static String SHA = "SHA";

	public static String MD5 = "MD5";
	
	private final static PasswordEncoder shaPasswordEncoder = new ShaPasswordEncoder();
	
	private final static PasswordEncoder md5PasswordEncoder = new Md5PasswordEncoder();

	public static String getDigestHash(String str) {
		return getDigestHash(str, "SHA");
	}

	public static String getDigestHash(String str, String hashType) {
		if (str == null)
			return null;
		return getDigestHash(str, hashType,null);
	}
	
	public static String getDigestHash(String str, String hashType,Object salt ) {
		if(hashType == null){
			hashType = SHA ;
		}
		
		if(hashType.equals(MD5)){
			return md5PasswordEncoder.encodePassword(str, salt);
		}
		
		return shaPasswordEncoder.encodePassword(str, salt);
	}

	public static void main(String[] args) {
		System.out.println( getDigestHash("123456") );
	}
}