package com.qianwen.core.tool.utils;

import java.nio.charset.Charset;
import java.util.Arrays;
import java.util.Objects;
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;

/* loaded from: blade-core-tool-9.3.0.0-SNAPSHOT.jar:org/springblade/core/tool/utils/AesUtil.class */
public class AesUtil {
    public static final Charset DEFAULT_CHARSET = Charsets.UTF_8;

    public static String genAesKey() {
        return StringUtil.random(32);
    }

    public static byte[] encrypt(String content, String aesTextKey) {
        return encrypt(content.getBytes(DEFAULT_CHARSET), aesTextKey);
    }

    public static byte[] encrypt(String content, Charset charset, String aesTextKey) {
        return encrypt(content.getBytes(charset), aesTextKey);
    }

    public static byte[] encrypt(byte[] content, String aesTextKey) {
        return encrypt(content, ((String) Objects.requireNonNull(aesTextKey)).getBytes(DEFAULT_CHARSET));
    }

    public static String encryptToHex(String content, String aesTextKey) {
        return HexUtil.encodeToString(encrypt(content, aesTextKey));
    }

    public static String encryptToHex(byte[] content, String aesTextKey) {
        return HexUtil.encodeToString(encrypt(content, aesTextKey));
    }

    public static String encryptToBase64(String content, String aesTextKey) {
        return Base64Util.encodeToString(encrypt(content, aesTextKey));
    }

    public static String encryptToBase64(byte[] content, String aesTextKey) {
        return Base64Util.encodeToString(encrypt(content, aesTextKey));
    }

    @Nullable
    public static String decryptFormHexToString(@Nullable String content, String aesTextKey) {
        byte[] hexBytes = decryptFormHex(content, aesTextKey);
        if (hexBytes == null) {
            return null;
        }
        return new String(hexBytes, DEFAULT_CHARSET);
    }

    @Nullable
    public static byte[] decryptFormHex(@Nullable String content, String aesTextKey) {
        if (StringUtil.isBlank(content)) {
            return null;
        }
        return decryptFormHex(content.getBytes(DEFAULT_CHARSET), aesTextKey);
    }

    public static byte[] decryptFormHex(byte[] content, String aesTextKey) {
        return decrypt(HexUtil.decode(content), aesTextKey);
    }

    @Nullable
    public static String decryptFormBase64ToString(@Nullable String content, String aesTextKey) {
        byte[] hexBytes = decryptFormBase64(content, aesTextKey);
        if (hexBytes == null) {
            return null;
        }
        return new String(hexBytes, DEFAULT_CHARSET);
    }

    @Nullable
    public static byte[] decryptFormBase64(@Nullable String content, String aesTextKey) {
        if (StringUtil.isBlank(content)) {
            return null;
        }
        return decryptFormBase64(content.getBytes(DEFAULT_CHARSET), aesTextKey);
    }

    public static byte[] decryptFormBase64(byte[] content, String aesTextKey) {
        return decrypt(Base64Util.decode(content), aesTextKey);
    }

    public static String decryptToString(byte[] content, String aesTextKey) {
        return new String(decrypt(content, aesTextKey), DEFAULT_CHARSET);
    }

    public static byte[] decrypt(byte[] content, String aesTextKey) {
        return decrypt(content, ((String) Objects.requireNonNull(aesTextKey)).getBytes(DEFAULT_CHARSET));
    }

    public static byte[] encrypt(byte[] content, byte[] aesKey) {
        return aes(Pkcs7Encoder.encode(content), aesKey, 1);
    }

    public static byte[] decrypt(byte[] encrypted, byte[] aesKey) {
        return Pkcs7Encoder.decode(aes(encrypted, aesKey, 2));
    }

    private static byte[] aes(byte[] encrypted, byte[] aesKey, int mode) {
        Assert.isTrue(aesKey.length == 32, "IllegalAesKey, aesKey's length must be 32");
        try {
            Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
            SecretKeySpec keySpec = new SecretKeySpec(aesKey, "AES");
            IvParameterSpec iv = new IvParameterSpec(Arrays.copyOfRange(aesKey, 0, 16));
            cipher.init(mode, keySpec, iv);
            return cipher.doFinal(encrypted);
        } catch (Exception e) {
            throw Exceptions.unchecked(e);
        }
    }

    /* JADX INFO: Access modifiers changed from: private */
    /* loaded from: blade-core-tool-9.3.0.0-SNAPSHOT.jar:org/springblade/core/tool/utils/AesUtil$Pkcs7Encoder.class */
    public static class Pkcs7Encoder {
        private static final int BLOCK_SIZE = 32;

        private Pkcs7Encoder() {
        }

        /* JADX INFO: Access modifiers changed from: private */
        public static byte[] encode(byte[] src) {
            int count = src.length;
            int amountToPad = 32 - (count % 32);
            byte pad = (byte) (amountToPad & 255);
            byte[] pads = new byte[amountToPad];
            for (int index = 0; index < amountToPad; index++) {
                pads[index] = pad;
            }
            int length = count + amountToPad;
            byte[] dest = new byte[length];
            System.arraycopy(src, 0, dest, 0, count);
            System.arraycopy(pads, 0, dest, count, amountToPad);
            return dest;
        }

        /* JADX INFO: Access modifiers changed from: private */
        public static byte[] decode(byte[] decrypted) {
            int pad = decrypted[decrypted.length - 1];
            if (pad < 1 || pad > 32) {
                pad = 0;
            }
            if (pad > 0) {
                return Arrays.copyOfRange(decrypted, 0, decrypted.length - pad);
            }
            return decrypted;
        }
    }
}