在Java中加密和解密URL参数,我们可以使用Java内置的加密和解密库,如Java Cryptography Extension (JCE)。以下是一个简单的示例,展示了如何使用JCE库加密和解密URL参数:
import javax.crypto.*;
import javax.crypto.spec.*;
import java.security.*;
import java.util.Base64;
public class EncryptDecryptUrlParams {
private static final String SECRET_KEY = "your-secret-key";
public static void main(String[] args) {
String urlParam = "https://example.com?param1=value1¶m2=value2";
String encryptedUrlParam = encrypt(urlParam);
System.out.println("Encrypted URL parameter: " + encryptedUrlParam);
}
public static String encrypt(String input) {
try {
SecretKeySpec keySpec = new SecretKeySpec(SECRET_KEY.getBytes(), "AES");
Cipher cipher = Cipher.getInstance("AES");
cipher.init(Cipher.ENCRYPT_MODE, keySpec);
byte[] encrypted = cipher.doFinal(input.getBytes());
return Base64.getEncoder().encodeToString(encrypted);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
}
import javax.crypto.*;
import javax.crypto.spec.*;
import java.security.*;
import java.util.Base64;
public class EncryptDecryptUrlParams {
private static final String SECRET_KEY = "your-secret-key";
public static void main(String[] args) {
String encryptedUrlParam = "encrypted-url-parameter";
String decryptedUrlParam = decrypt(encryptedUrlParam);
System.out.println("Decrypted URL parameter: " + decryptedUrlParam);
}
public static String decrypt(String input) {
try {
SecretKeySpec keySpec = new SecretKeySpec(SECRET_KEY.getBytes(), "AES");
Cipher cipher = Cipher.getInstance("AES");
cipher.init(Cipher.DECRYPT_MODE, keySpec);
byte[] decrypted = cipher.doFinal(Base64.getDecoder().decode(input));
return new String(decrypted);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
}
在这个示例中,我们使用了AES加密算法对URL参数进行加密和解密。请注意,您需要使用自己的密钥(SECRET_KEY)替换示例中的占位符。
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