package com.qianwen.core.tool.utils;
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import java.nio.charset.Charset;
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import java.util.Arrays;
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import java.util.Objects;
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import javax.crypto.Cipher;
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import javax.crypto.spec.IvParameterSpec;
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import javax.crypto.spec.SecretKeySpec;
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import org.springframework.lang.Nullable;
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import org.springframework.util.Assert;
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/* loaded from: blade-core-tool-9.3.0.0-SNAPSHOT.jar:org/springblade/core/tool/utils/AesUtil.class */
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public class AesUtil {
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public static final Charset DEFAULT_CHARSET = Charsets.UTF_8;
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public static String genAesKey() {
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return StringUtil.random(32);
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}
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public static byte[] encrypt(String content, String aesTextKey) {
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return encrypt(content.getBytes(DEFAULT_CHARSET), aesTextKey);
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}
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public static byte[] encrypt(String content, Charset charset, String aesTextKey) {
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return encrypt(content.getBytes(charset), aesTextKey);
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}
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public static byte[] encrypt(byte[] content, String aesTextKey) {
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return encrypt(content, ((String) Objects.requireNonNull(aesTextKey)).getBytes(DEFAULT_CHARSET));
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}
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public static String encryptToHex(String content, String aesTextKey) {
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return HexUtil.encodeToString(encrypt(content, aesTextKey));
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}
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public static String encryptToHex(byte[] content, String aesTextKey) {
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return HexUtil.encodeToString(encrypt(content, aesTextKey));
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}
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public static String encryptToBase64(String content, String aesTextKey) {
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return Base64Util.encodeToString(encrypt(content, aesTextKey));
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}
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public static String encryptToBase64(byte[] content, String aesTextKey) {
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return Base64Util.encodeToString(encrypt(content, aesTextKey));
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}
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@Nullable
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public static String decryptFormHexToString(@Nullable String content, String aesTextKey) {
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byte[] hexBytes = decryptFormHex(content, aesTextKey);
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if (hexBytes == null) {
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return null;
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}
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return new String(hexBytes, DEFAULT_CHARSET);
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}
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@Nullable
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public static byte[] decryptFormHex(@Nullable String content, String aesTextKey) {
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if (StringUtil.isBlank(content)) {
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return null;
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}
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return decryptFormHex(content.getBytes(DEFAULT_CHARSET), aesTextKey);
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}
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public static byte[] decryptFormHex(byte[] content, String aesTextKey) {
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return decrypt(HexUtil.decode(content), aesTextKey);
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}
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@Nullable
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public static String decryptFormBase64ToString(@Nullable String content, String aesTextKey) {
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byte[] hexBytes = decryptFormBase64(content, aesTextKey);
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if (hexBytes == null) {
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return null;
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}
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return new String(hexBytes, DEFAULT_CHARSET);
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}
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@Nullable
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public static byte[] decryptFormBase64(@Nullable String content, String aesTextKey) {
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if (StringUtil.isBlank(content)) {
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return null;
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}
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return decryptFormBase64(content.getBytes(DEFAULT_CHARSET), aesTextKey);
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}
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public static byte[] decryptFormBase64(byte[] content, String aesTextKey) {
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return decrypt(Base64Util.decode(content), aesTextKey);
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}
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public static String decryptToString(byte[] content, String aesTextKey) {
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return new String(decrypt(content, aesTextKey), DEFAULT_CHARSET);
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}
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public static byte[] decrypt(byte[] content, String aesTextKey) {
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return decrypt(content, ((String) Objects.requireNonNull(aesTextKey)).getBytes(DEFAULT_CHARSET));
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}
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public static byte[] encrypt(byte[] content, byte[] aesKey) {
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return aes(Pkcs7Encoder.encode(content), aesKey, 1);
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}
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public static byte[] decrypt(byte[] encrypted, byte[] aesKey) {
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return Pkcs7Encoder.decode(aes(encrypted, aesKey, 2));
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}
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private static byte[] aes(byte[] encrypted, byte[] aesKey, int mode) {
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Assert.isTrue(aesKey.length == 32, "IllegalAesKey, aesKey's length must be 32");
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try {
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Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
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SecretKeySpec keySpec = new SecretKeySpec(aesKey, "AES");
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IvParameterSpec iv = new IvParameterSpec(Arrays.copyOfRange(aesKey, 0, 16));
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cipher.init(mode, keySpec, iv);
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return cipher.doFinal(encrypted);
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} catch (Exception e) {
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throw Exceptions.unchecked(e);
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}
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}
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/* JADX INFO: Access modifiers changed from: private */
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/* loaded from: blade-core-tool-9.3.0.0-SNAPSHOT.jar:org/springblade/core/tool/utils/AesUtil$Pkcs7Encoder.class */
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public static class Pkcs7Encoder {
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private static final int BLOCK_SIZE = 32;
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private Pkcs7Encoder() {
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}
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/* JADX INFO: Access modifiers changed from: private */
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public static byte[] encode(byte[] src) {
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int count = src.length;
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int amountToPad = 32 - (count % 32);
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byte pad = (byte) (amountToPad & 255);
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byte[] pads = new byte[amountToPad];
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for (int index = 0; index < amountToPad; index++) {
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pads[index] = pad;
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}
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int length = count + amountToPad;
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byte[] dest = new byte[length];
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System.arraycopy(src, 0, dest, 0, count);
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System.arraycopy(pads, 0, dest, count, amountToPad);
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return dest;
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}
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/* JADX INFO: Access modifiers changed from: private */
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public static byte[] decode(byte[] decrypted) {
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int pad = decrypted[decrypted.length - 1];
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if (pad < 1 || pad > 32) {
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pad = 0;
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}
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if (pad > 0) {
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return Arrays.copyOfRange(decrypted, 0, decrypted.length - pad);
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}
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return decrypted;
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}
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}
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}
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