com.suyeer.basic.util.EncryptUtil Maven / Gradle / Ivy
package com.suyeer.basic.util;
import org.apache.http.Consts;
import org.apache.log4j.Logger;
import java.nio.charset.Charset;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
/**
* @author jun 2018/10/19
*/
public class EncryptUtil {
private static Logger logger = Logger.getLogger(EncryptUtil.class);
public static String sha1(String dec) {
return sha1(dec, Consts.UTF_8);
}
public static String sha1(String dec, Charset charset) {
try {
MessageDigest digest = java.security.MessageDigest.getInstance("SHA-1");
digest.update(dec.getBytes(charset));
byte[] messageDigest = digest.digest();
StringBuffer hexString = new StringBuffer();
for (int i = 0; i < messageDigest.length; i++) {
String shaHex = Integer.toHexString(messageDigest[i] & 0xFF);
if (shaHex.length() < 2) {
hexString.append(0);
}
hexString.append(shaHex);
}
return hexString.toString();
} catch (NoSuchAlgorithmException e) {
LogUtil.error("SHA1加密异常!", e);
return null;
}
}
public static String md5(String dec) {
return md5(dec, Consts.UTF_8);
}
public static String md5(String dec, Charset charset) {
char[] hexDigits = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
try {
byte[] btInput = dec.getBytes(charset);
MessageDigest mdInst = MessageDigest.getInstance("MD5");
mdInst.update(btInput);
byte[] md = mdInst.digest();
int j = md.length;
char[] str = new char[j * 2];
int k = 0;
for (int i = 0; i < j; i++) {
byte byte0 = md[i];
str[k++] = hexDigits[byte0 >>> 4 & 0xf];
str[k++] = hexDigits[byte0 & 0xf];
}
return new String(str);
} catch (Exception e) {
LogUtil.error("MD5加密异常!", e);
return null;
}
}
}