Java加密

import org.apache.commons.codec.binary.Hex;
import org.apache.commons.codec.digest.DigestUtils;

import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.spec.SecretKeySpec;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.util.Base64;

/**
 * @author binfirechen
 * @version 1.0
 * @date 2022/8/10 10:44
 */
public class EncryptTest {

    private static final String ALGORITHMSTR = "AES/ECB/PKCS5Padding";

    private String AESEncrypt(String source,String encrypKey) throws Exception{
        byte[] sourceByptes=source.getBytes("utf-8");
        Cipher cipher = Cipher.getInstance(ALGORITHMSTR);
        cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(encrypKey.getBytes(), "AES"));
        byte[] bytes = cipher.doFinal(sourceByptes);
        return Base64.getEncoder().encodeToString(bytes);
    }

    private String AESDecrypt(String source,String deencrypKey) throws Exception{
        byte[] bytes = decryptByBytes(Base64.getDecoder().decode(source), deencrypKey);
        return new String(bytes,"utf-8");
    }

    private byte[] decryptByBytes(byte[] encryptBytes, String deencrypKey) throws Exception {
        KeyGenerator keyGenerator = KeyGenerator.getInstance("AES");
        keyGenerator.init(128);
        Cipher cipher = Cipher.getInstance(ALGORITHMSTR);
        cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(deencrypKey.getBytes(), "AES"));
        byte[] decryptBytes = cipher.doFinal(encryptBytes);
        return decryptBytes;
    }

    public static String getSHA256Str(String str) throws Exception {
        MessageDigest messageDigest = MessageDigest.getInstance("SHA-256");
        byte[] hash = messageDigest.digest(str.getBytes("UTF-8"));
        return Hex.encodeHexString(hash);
    }

    public static String encrypt(String content) throws UnsupportedEncodingException {
        String value =  DigestUtils.md5Hex(content.getBytes("UTF-8"));
        return value.toUpperCase();

    }
}