MD5和SHA加密
/** * @author Jenly * @date 2014-8-8 */ public class DigestUtils { public static final String MD2 = "MD2"; public static final String MD5 = "MD5"; public static final String SHA1 = "SHA-1"; public static final String SHA256 = "SHA-256"; public static final String SHA384 = "SHA-384"; public static final String SHA512 = "SHA-512"; public static String md2(String data) { return encrypt(data,MD2); } public static String md5(String data) { return encrypt(data,MD5); } public static String sha1(String data) { return encrypt(data,SHA1); } public static String sha256(String data) { return encrypt(data,SHA256); } public static String sha384(String data) { return encrypt(data,SHA384); } public static String sha512(String data) { return encrypt(data,SHA512); } public static String encrypt(String data,String algorithm) { try { MessageDigest digest = MessageDigest.getInstance(algorithm); digest.update(data.getBytes()); return getHashString(digest.digest()); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); }catch (Exception e) { e.printStackTrace(); } return null; } public static String getHashString(byte[] data) { StringBuilder builder = new StringBuilder(); for (byte b : data) { builder.append(Integer.toHexString((b >> 4) & 0xF)); builder.append(Integer.toHexString(b & 0xF)); } return builder.toString(); } }
关于作者
Name: Jenly
Email: jenly1314@gmail.com
Email: jenly1314@vip.qq.com
Github: github.com/jenly1314