OFD完整性保护协议

class HelloWorld {
    public static void main(String[] args) {
        Path src = Paths.get("src/test/resources/hello.ofd");
        Path out = Paths.get("target/hello-integrity.ofd");

        Path certPemFile = Paths.get("src/test/resources", "sign_cert.pem");
        Path keyPemFile = Paths.get("src/test/resources", "sign_key.pem");

        // 1. 准备 签名私钥 和 签名证书
        final PrivateKey privateKey = PEMLoader.loadPrivateKey(keyPemFile);
        final Certificate certificate = PEMLoader.loadCert(certPemFile);

        // 2. 创建完整性保护对象
        try (OFDIntegrity ofdIntegrity = new OFDIntegrity(src, out)) {
            // 3. 创建签名实现容器
            GMProtectSigner gmSigner = new GMProtectSigner(privateKey, certificate);
            // 4. 执行完整性保护
            ofdIntegrity.protect(gmSigner);
        }
        // 5. 关闭对象，清除临时文件 try()
        System.out.println(">> " + out.toAbsolutePath());
    }
}

class HelloWorld {
    public static void main(String[] args) {
        Path in = Paths.get("src/test/resources/hello-integrity.ofd");
        // 1. 创建OFD完整性验证器。
        OFDIntegrityVerifier ofdIntegrityVerifier = new OFDIntegrityVerifier();
        // 2. 创建用于验证签名值的验证器。
        GMProtectVerifier gmProtectVerifier = new GMProtectVerifier();
        // 3. 执行完整性验证，获取验证结果。
        final boolean integrity = ofdIntegrityVerifier.integrity(in, gmProtectVerifier);
        System.out.println(">> OFD完整性校验: " + integrity);
    }
}