/*

 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 8225745

 * @summary Ensure ECDSA certificates with signature algorithm parameters

 *          can be verified successfully

 * @run main ECSigParamsVerifyWithCert

 */

import java.io.*;

import java.security.cert.CertificateFactory;

import java.security.cert.X509Certificate;

public class ECSigParamsVerifyWithCert {

    // ECDSA certificate with non-null signature parameters, i.e.

    // Signature Algorithm: SHA256withECDSA, params unparsed,

    // OID = 1.2.840.10045.4.3.2

    private static String ecEntityWithSigParamsStr =

        "-----BEGIN CERTIFICATE-----\n" +

        "MIICXjCCAfmgAwIBAgIIHzREzASpiTowFAYIKoZIzj0EAwIGCCqGSM49AwEHMGAx\n" +

        "IzAhBgNVBAMMGkNvcmRhIE5vZGUgSW50ZXJtZWRpYXRlIENBMQswCQYDVQQKDAJS\n" +

        "MzEOMAwGA1UECwwFY29yZGExDzANBgNVBAcMBkxvbmRvbjELMAkGA1UEBhMCVUsw\n" +

        "HhcNMTgwNjI1MDAwMDAwWhcNMjcwNTIwMDAwMDAwWjAxMQswCQYDVQQGEwJHQjEP\n" +

        "MA0GA1UEBwwGTG9uZG9uMREwDwYDVQQKDAhNZWdhQ29ycDBZMBMGByqGSM49AgEG\n" +

        "CCqGSM49AwEHA0IABG2VjWPPFnGVka3G9++Sz/GPRkAkht4BDoYTlkRz8hpwr4iu\n" +

        "fU6NlReirLOB4LBLZcmp16xm4RYsN5ouTS7Z3wKjgcEwgb4wHQYDVR0OBBYEFBnY\n" +

        "sikYpaSL9U8FUygbqN3sIvMOMA8GA1UdEwEB/wQFMAMBAf8wCwYDVR0PBAQDAgGG\n" +

        "MCMGA1UdJQQcMBoGCCsGAQUFBwMBBggrBgEFBQcDAgYEVR0lADARBgorBgEEAYOK\n" +

        "YgEBBAMCAQQwRwYDVR0eAQH/BD0wO6A3MDWkMzAxMQswCQYDVQQGEwJHQjEPMA0G\n" +

        "A1UEBwwGTG9uZG9uMREwDwYDVQQKDAhNZWdhQ29ycKEAMBQGCCqGSM49BAMCBggq\n" +

        "hkjOPQMBBwNJADBGAiEAos+QzgwwH2hfOtrlLncHnoT2YXXHP4q5h01T2DRmjcMC\n" +

        "IQDa3xZz7CkyyNO1+paAthiNVIlGwwnl4UxuYMwkAiWACw==\n" +

        "-----END CERTIFICATE-----\n";

    // ECDSA certificate with only signature algorithm oid, no parameters, i.e.

    // Signature Algorithm: SHA256withECDSA, OID = 1.2.840.10045.4.3.2

    private static String ecSigner =

        "-----BEGIN CERTIFICATE-----\n" +

        "MIICETCCAbigAwIBAgIIaHr3YTnjT8YwCgYIKoZIzj0EAwIwWDEbMBkGA1UEAwwS\n" +

        "Q29yZGEgTm9kZSBSb290IENBMQswCQYDVQQKDAJSMzEOMAwGA1UECwwFY29yZGEx\n" +

        "DzANBgNVBAcMBkxvbmRvbjELMAkGA1UEBhMCVUswHhcNMTcwNTIyMDAwMDAwWhcN\n" +

        "MjcwNTIwMDAwMDAwWjBgMSMwIQYDVQQDDBpDb3JkYSBOb2RlIEludGVybWVkaWF0\n" +

        "ZSBDQTELMAkGA1UECgwCUjMxDjAMBgNVBAsMBWNvcmRhMQ8wDQYDVQQHDAZMb25k\n" +

        "b24xCzAJBgNVBAYTAlVLMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEA8veoCbh\n" +

        "ZmazlyIFWjExBd8ru5OYdFW9Z9ZD5BVg/dswdKC4dlHMHe/sQ4TxFmkYNqf7DTTt\n" +

        "ePtdHT7Eb1LGYKNkMGIwHQYDVR0OBBYEFOvuLjAVKUCuGZge2G/jfX8HosITMAsG\n" +

        "A1UdDwQEAwIBhjAjBgNVHSUEHDAaBggrBgEFBQcDAQYIKwYBBQUHAwIGBFUdJQAw\n" +

        "DwYDVR0TAQH/BAUwAwEB/zAKBggqhkjOPQQDAgNHADBEAiB6wr47tuC71qi6+FbY\n" +

        "XYDTvK+QmAi5ywkFc95I9fPLaQIgIM+nNNQ50NwK610h3bG37XC2tGu+A7Dhtt2Q\n" +

        "4nDqu30=\n" +

        "-----END CERTIFICATE-----\n";

    public static void main(String[] args) throws Exception {

        CertificateFactory certFactory = CertificateFactory.getInstance("X.509");

        ByteArrayInputStream is

                = new ByteArrayInputStream(ecEntityWithSigParamsStr.getBytes());

        X509Certificate ecEntityWithSigParams = (X509Certificate)certFactory.generateCertificate(is);

        is = new ByteArrayInputStream(ecSigner.getBytes());

        X509Certificate ecSigner = (X509Certificate)certFactory.generateCertificate(is);

        try {

            ecEntityWithSigParams.verify(ecSigner.getPublicKey());

            System.out.println("Test Passed: EC Cert verified");

        } catch (Exception e) {

            System.out.println("Failed, cannot verify EC certificate with sig params");

            throw e;

        }

    }

}