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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for Java 1.8 and later with debug enabled.

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package org.bouncycastle.asn1.util;

import java.io.FileInputStream;

import org.bouncycastle.asn1.ASN1InputStream;

/**
 * Command line ASN.1 Dump utility.
 * 
 *     Usage: org.bouncycastle.asn1.util.Dump ber_encoded_file
 * 
 */
public class Dump
{
    public static void main(
        String args[])
        throws Exception
    {
        FileInputStream fIn = new FileInputStream(args[0]);

        try
        {
            ASN1InputStream bIn = new ASN1InputStream(fIn);
            Object obj = null;

            while ((obj = bIn.readObject()) != null)
            {
                // -DM System.out.println
                System.out.println(ASN1Dump.dumpAsString(obj));
            }
        }
        finally
        {
            fIn.close();
        }
    }
}