https://github.com/Microsoft/mssql-jdbc: Microsoft JDBC Driver for SQL Server. (Microsoft Corporation) 
/*
 * Microsoft JDBC Driver for SQL Server Copyright(c) Microsoft Corporation All rights reserved. This program is made
 * available under the terms of the MIT License. See the LICENSE file in the project root for more information.
 */

package com.microsoft.sqlserver.jdbc;

import java.security.Provider;
import java.security.Security;

/*
 * Class that is meant to statically load the BouncyCastle Provider for JDK 8. Hides the call so JDK 11/13 don't have to include the dependency.
 * Also loads BouncyCastle provider for PKCS1 private key parsing.
 */
class SQLServerBouncyCastleLoader {
    static void loadBouncyCastle() {
        Provider p = new org.bouncycastle.jce.provider.BouncyCastleProvider();
        if (null == Security.getProvider(p.getName())) {
            Security.addProvider(p);
        }
    }
}