- java代码：
import org.apache.hadoop.hive.ql.exec.Description;
import org.apache.hadoop.hive.ql.exec.UDF;
import org.apache.hadoop.io.Text;
import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
@Description(name = “encrypt”, value = “Encrypts a string using AES encryption.”)
public class cc extends UDF {
private static final String ALGORITHM = “AES”; private static final String KEY = “MySecretKey12345”; // 修改为您自己的密钥 public Text evaluate(Text input) {
if (input == null) {
return null; }
try {
Cipher cipher = Cipher.getInstance(ALGORITHM);
SecretKeySpec secretKey = new SecretKeySpec(KEY.getBytes(StandardCharsets.UTF_8), ALGORITHM);
cipher.init(Cipher.ENCRYPT_MODE, secretKey);
byte[] encryptedBytes = cipher.doFinal(input.toString().getBytes(StandardCharsets.UTF_8));
String encryptedString = Base64.getEncoder().encodeToString(encryptedBytes);
return new Text(encryptedString);
} catch (Exception e) {
// 处理加密异常，例如记录日志或抛出自定义异常
return null; }
}
} - pom.xml
作者 admin
张宴银，大数据开发工程师