Java加密工具类，java工具类,依赖:org.apach

Java加密工具类，java工具类,依赖:org.apach

依赖:org.apache.commons.codec.digest.DigestUtils支持MD5,SHA-1,SHA-256Apache下载地址:http://commons.apache.org/proper/commons-codec/download_codec.cgi```javaimport java.security.MessageDigest;import java.security.NoSuchAlgorithmException;

/ * CiphertextUtil * @author ysj /public class CiphertextUtil { public static final String MD5 = "MD5"; public static final String SHA_1 = "SHA-1"; public static final String SHA_256 = "SHA-256"; private static final char[] CH_HEX = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};

/** * 加密字符串 * * @param sourceStr    需要加密目标字符串 * @param algorithmsName 算法名称(如:MD5,SHA-1,SHA-256) * @return */public static String passAlgorithmsCiphering(String sourceStr,String algorithmsName){    String password = "";    MessageDigest md;    try {        md = MessageDigest.getInstance(algorithmsName);        // 使用指定byte[]更新摘要        md.update(sourceStr.getBytes());        // 完成计算，返回结果数组        byte[] b = md.digest();        password = byteArrayToHex(b);    } catch (NoSuchAlgorithmException e) {        e.printStackTrace();    }    return password;}/** * 将字节数组转为十六进制字符串 * * @param bytes * @return 返回16进制字符串 */private static String byteArrayToHex(byte[] bytes) {    // 一个字节占8位，一个十六进制字符占4位；十六进制字符数组的长度为字节数组长度的两倍    char[] chars = new char[bytes.length * 2];    int index = 0;    for (byte b : bytes) {        // 取字节的高4位        chars[index++] = CH_HEX[b >>> 4 & 0xf];        // 取字节的低4位        chars[index++] = CH_HEX[b & 0xf];    }    return new String(chars);}

}

```javaimport org.apache.commons.codec.digest.DigestUtils;/** * CiphertextUtil * * @author ysj */public class CiphertextUtil {    public static final String MD2 = "MD2";    public static final String MD5 = "MD5";    public static final String SHA_1 = "SHA1";    public static final String SHA_256 = "SHA256";    public static final String SHA_384 = "SHA384";    public static final String SHA_512 = "SHA512";    /**     * 加密字符串     *     * @param sourceStr    需要加密目标字符串     * @param algorithmsName 算法名称(如:MD2,MD5,SHA1,SHA256,SHA384,SHA512)     * @return     */    public static String passAlgorithmsCiphering(String sourceStr,String algorithmsName){        String password = "";        switch(algorithmsName){        case "MD2":            password = DigestUtils.md2Hex(sourceStr);            break;        case "MD5":            password = DigestUtils.md5Hex(sourceStr);            break;        case "SHA1":            password = DigestUtils.sha1Hex(sourceStr);            break;        case "SHA256":            password = DigestUtils.sha256Hex(sourceStr);            break;        case "SHA384":            password = DigestUtils.sha384Hex(sourceStr);            break;        case "SHA512":            password = DigestUtils.sha512Hex(sourceStr);            break;        }        return password;    }}