I am getting InvalidRequestSignature.

[connectSnipes]

Hello All,

I am getting InvalidRequestSignature even though my string to sign generated and the string to sign getting in the error message is the same.

Pic of signing string generated

Pic of signing string got from error message

`package Amazon;

import Amazon.AmazonPayResponse; import Amazon.PayConfiguration; import Amazon.WebstoreClient; import Amazon.AmazonPayClientException; import Amazon.Region; import Amazon.Environment;

import org.json.JSONObject;

import java.io.IOException; import java.nio.file.Files; import java.nio.file.Paths; // for generating an idempotency key import java.util.HashMap; import java.util.Map; import java.util.UUID;

public class sample {

public static void main(String[] args) throws IOException {
    // TODO Auto-generated method stub
    PayConfiguration payConfiguration = null;
    try {
        payConfiguration = new PayConfiguration()
            .setPublicKeyId("XXXXXXX")
            .setRegion(Region.NA)
            .setEnvironment(Environment.SANDBOX)
            .setPrivateKey(new String(Files.readAllBytes(Paths.get("C:\\Users\\OrCon\\Downloads\\AmazonPay_AF5CONNHKLCVRHOZE5Y6RVYF.pem"))).toCharArray())
            .setAlgorithm("AMZN-PAY-RSASSA-PSS-V2");

        WebstoreClient webstoreClient = new WebstoreClient(payConfiguration);
        AmazonPayResponse response = null;
        String chargeId = "S01-0803717-6760890-C071536";

        JSONObject payload = new JSONObject();
        JSONObject captureAmount = new JSONObject();
        captureAmount.put("amount", "78.73");
        captureAmount.put("currencyCode", "USD");
        payload.put("captureAmount", captureAmount);
        payload.put("softDescriptor", "Descriptor");

        Map<String, String> header = new HashMap<String, String>();
        header.put("x-amz-pay-idempotency-key", UUID.randomUUID().toString().replace("-", ""));
        System.out.println(payload.toString());
        response = webstoreClient.captureCharge(chargeId, payload, header);
        System.out.println("Response ==>" + response);
    } catch (AmazonPayClientException e) {
            e.printStackTrace();
    }

}

} `

[connectSnipes]

I was using wrong private key.