package com.qianwen.core.tool.utils;
|
|
import java.util.Objects;
|
import javax.crypto.Cipher;
|
import javax.crypto.SecretKeyFactory;
|
import javax.crypto.spec.DESKeySpec;
|
import org.springframework.lang.Nullable;
|
|
/* loaded from: blade-core-tool-9.3.0.0-SNAPSHOT.jar:org/springblade/core/tool/utils/DesUtil.class */
|
public class DesUtil {
|
public static final String DES_ALGORITHM = "DES";
|
|
public static String genDesKey() {
|
return StringUtil.random(16);
|
}
|
|
public static String encryptToHex(byte[] data, String password) {
|
return HexUtil.encodeToString(encrypt(data, password));
|
}
|
|
@Nullable
|
public static String encryptToHex(@Nullable String data, String password) {
|
if (StringUtil.isBlank(data)) {
|
return null;
|
}
|
byte[] dataBytes = data.getBytes(Charsets.UTF_8);
|
return encryptToHex(dataBytes, password);
|
}
|
|
@Nullable
|
public static String decryptFormHex(@Nullable String data, String password) {
|
if (StringUtil.isBlank(data)) {
|
return null;
|
}
|
byte[] hexBytes = HexUtil.decode(data);
|
return new String(decrypt(hexBytes, password), Charsets.UTF_8);
|
}
|
|
public static String encryptToBase64(byte[] data, String password) {
|
return Base64Util.encodeToString(encrypt(data, password));
|
}
|
|
@Nullable
|
public static String encryptToBase64(@Nullable String data, String password) {
|
if (StringUtil.isBlank(data)) {
|
return null;
|
}
|
byte[] dataBytes = data.getBytes(Charsets.UTF_8);
|
return encryptToBase64(dataBytes, password);
|
}
|
|
public static byte[] decryptFormBase64(byte[] data, String password) {
|
byte[] dataBytes = Base64Util.decode(data);
|
return decrypt(dataBytes, password);
|
}
|
|
@Nullable
|
public static String decryptFormBase64(@Nullable String data, String password) {
|
if (StringUtil.isBlank(data)) {
|
return null;
|
}
|
byte[] dataBytes = Base64Util.decodeFromString(data);
|
return new String(decrypt(dataBytes, password), Charsets.UTF_8);
|
}
|
|
public static byte[] encrypt(byte[] data, byte[] desKey) {
|
return des(data, desKey, 1);
|
}
|
|
public static byte[] encrypt(byte[] data, String desKey) {
|
return encrypt(data, ((String) Objects.requireNonNull(desKey)).getBytes(Charsets.UTF_8));
|
}
|
|
public static byte[] decrypt(byte[] data, byte[] desKey) {
|
return des(data, desKey, 2);
|
}
|
|
public static byte[] decrypt(byte[] data, String desKey) {
|
return decrypt(data, ((String) Objects.requireNonNull(desKey)).getBytes(Charsets.UTF_8));
|
}
|
|
private static byte[] des(byte[] data, byte[] desKey, int mode) {
|
try {
|
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(DES_ALGORITHM);
|
Cipher cipher = Cipher.getInstance(DES_ALGORITHM);
|
DESKeySpec desKeySpec = new DESKeySpec(desKey);
|
cipher.init(mode, keyFactory.generateSecret(desKeySpec), Holder.SECURE_RANDOM);
|
return cipher.doFinal(data);
|
} catch (Exception e) {
|
throw Exceptions.unchecked(e);
|
}
|
}
|
}
|