腾讯云通信java 签名

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.util.Base64;

public class TencentCloudSignature {

    public static void main(String[] args) {
        try {
            String secretId = "your_secret_id";
            String secretKey = "your_secret_key";
            String message = "your_message";
            String timestamp = "your_timestamp";

            String signature = generateSignature(secretId, secretKey, message, timestamp);
            System.out.println("Generated Signature: " + signature);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static String generateSignature(String secretId, String secretKey, String message, String timestamp) throws Exception {
        String stringToSign = "POST" + "\n" +
                              "/your/api/path" + "\n" +
                              "content-type:application/json" + "\n" +
                              "host:your.api.host" + "\n" +
                              "x-timestamp:" + timestamp + "\n" +
                              "x-secret-id:" + secretId + "\n" +
                              message;

        Mac mac = Mac.getInstance("HmacSHA256");
        SecretKeySpec secretKeySpec = new SecretKeySpec(secretKey.getBytes(), "HmacSHA256");
        mac.init(secretKeySpec);

        byte[] hash = mac.doFinal(stringToSign.getBytes());
        return Base64.getEncoder().encodeToString(hash);
    }
}