import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.lang.StringUtils;
public class Security {
public static final String KEY = "1234567XDE234lom";
// private final static Log log = LogFactory.getLog(Security.class);
public static String encrypt(String input, String key) {
byte[] crypted = null;
try {
SecretKeySpec skey = new SecretKeySpec(key.getBytes(), "AES");
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
cipher.init(Cipher.ENCRYPT_MODE, skey);
crypted = cipher.doFinal(input.getBytes());
} catch (Exception e) {
}
return new String(Base64.encodeBase64(crypted));
}
public static String decrypt(String input, String key) {
byte[] output = null;
try {
SecretKeySpec skey = new SecretKeySpec(key.getBytes(), "AES");
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
cipher.init(Cipher.DECRYPT_MODE, skey);
output = cipher.doFinal(Base64.decodeBase64(input));
} catch (Exception e) {
System.out.println(e.toString());
}
return new String(output);
}
public static String encryptWithUTF8(String input, String key) {
byte[] crypted = null;
try {
SecretKeySpec skey = new SecretKeySpec(key.getBytes(), "AES");
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
cipher.init(Cipher.ENCRYPT_MODE, skey);
crypted = cipher.doFinal(input.getBytes("UTF-8"));
} catch (Exception e) {
}
return new String(Base64.encodeBase64(crypted));
}
/**
* Encrypt with any of tools.
*
* @param string
* -Need encrypt string.
* @param encryptName
* -Encrypt tools,can be null or "",default SHA-256.
* @author EX-ZHOUKAI003
* @date 2013.12.09
* **/
public static String encryptWithAny(String string, String encryptName) {
MessageDigest md;
StringBuffer sb = new StringBuffer();
if (StringUtils.isBlank(encryptName)) {
encryptName = "SHA-256";
}
try {
md = MessageDigest.getInstance(encryptName);
md.update(string.getBytes("UTF-8"));
for (byte b : md.digest()) {
sb.append(String.format("%02X", b));
}
} catch (NoSuchAlgorithmException e) {
} catch (UnsupportedEncodingException e) {
}
return sb.toString();
}
}