SHA多种加密代码[Java版]

sha加密包含sha1、sha224、ssh256、ssh384、ssh512

package com.itee.common.core.adapter;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

/**
 * sha加密
 */
public class ShaAdapter {

    /**
     * log日志
     */
    private static final Logger log = LoggerFactory.getLogger(ShaAdapter.class);

    /**
     * sha1加密
     * @param s
     * @return
     */
    public static String sha1(String s) {
        try {
            MessageDigest sha = MessageDigest.getInstance("SHA1");
            byte[] digest = sha.digest(s.getBytes(StandardCharsets.UTF_8));
            StringBuilder build = new StringBuilder();
            for (int i = 0; i < digest.length; i++) {
                /**
                 * %02x:转小写字母
                 * %02X:转大写字母
                 */
                build.append(String.format("%02x", digest[i]));
            }
            return build.toString();
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * sha224加密
     * @param str 要加密的字符串
     * @return 加密后的字符串
     */
    public static String sha224(String str) {
        MessageDigest messageDigest;
        String encodeStr = "";
        try {
            messageDigest = MessageDigest.getInstance("SHA-224");
            messageDigest.update(str.getBytes(StandardCharsets.UTF_8));
            encodeStr = byte2Hex(messageDigest.digest());
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
        return encodeStr;
    }

    /**
     * sha256加密
     * @param str 要加密的字符串
     * @return 加密后的字符串
     */
    public static String sha256(String str) {
        MessageDigest messageDigest;
        String encodeStr = "";
        try {
            messageDigest = MessageDigest.getInstance("SHA-256");
            messageDigest.update(str.getBytes(StandardCharsets.UTF_8));
            encodeStr = byte2Hex(messageDigest.digest());
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
        return encodeStr;
    }

    /**
     * sha256加密
     * @param str 要加密的字符串
     * @return 加密后的byte数组
     */
    public static byte[] getSha256(String str) {
        MessageDigest messageDigest;
        byte[] encodeStr = null;
        try {
            messageDigest = MessageDigest.getInstance("SHA-256");
            messageDigest.update(str.getBytes(StandardCharsets.UTF_8));
            encodeStr = messageDigest.digest();
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
        return encodeStr;
    }

    /**
     * sha256加密 将byte转为16进制
     * @param bytes 字节码
     * @return 加密后的字符串
     */
    private static String byte2Hex(byte[] bytes) {
        StringBuilder stringBuilder = new StringBuilder();
        String temp;
        for (byte aByte : bytes) {
            temp = Integer.toHexString(aByte & 0xFF);
            if (temp.length() == 1) {
                stringBuilder.append("0");//1得到一位的进行补0操作
            }
            stringBuilder.append(temp);
        }
        return stringBuilder.toString();
    }

    /**
     * sha384加密
     * @param str 要加密的字符串
     * @return 加密后的字符串
     */
    public static String sha384(String str) {
        MessageDigest messageDigest;
        String encodeStr = "";
        try {
            messageDigest = MessageDigest.getInstance("SHA-384");
            messageDigest.update(str.getBytes(StandardCharsets.UTF_8));
            encodeStr = byte2Hex(messageDigest.digest());
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
        return encodeStr;
    }

    /**
     * sha512加密
     * @param str 要加密的字符串
     * @return 加密后的字符串
     */
    public static String sha512(String str) {
        MessageDigest messageDigest;
        String encodeStr = "";
        try {
            messageDigest = MessageDigest.getInstance("SHA-512");
            messageDigest.update(str.getBytes(StandardCharsets.UTF_8));
            encodeStr = byte2Hex(messageDigest.digest());
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        }
        return encodeStr;
    }
}