ASN1OutputStream (Bouncy Castle Library 1.85 API Specification)
Date: 2026-07-12

org.bouncycastle.asn1

## Class ASN1OutputStream

- java.lang.Object
- - org.bouncycastle.asn1.ASN1OutputStream

-     public class ASN1OutputStream
      extends java.lang.Object

  Stream that produces output based on the default encoding for the passed in objects.

- - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `close()`
    `static ASN1OutputStream` | `create(java.io.OutputStream out)`
    `static ASN1OutputStream` | `create(java.io.OutputStream out, java.lang.String encoding)`
    `void` | `flush()`
    `void` | `writeObject(ASN1Encodable encodable)`
    `void` | `writeObject(ASN1Primitive primitive)`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Method Detail

    - #### create

          public static ASN1OutputStream create(java.io.OutputStream out)

    - #### create

          public static ASN1OutputStream create(java.io.OutputStream out,
                                                java.lang.String encoding)

    - #### close

          public void close()
                     throws java.io.IOException

      Throws:
        `java.io.IOException`

    - #### flush

          public void flush()
                     throws java.io.IOException

      Throws:
        `java.io.IOException`

    - #### writeObject

          public final void writeObject(ASN1Encodable encodable)
                                 throws java.io.IOException

      Throws:
        `java.io.IOException`

    - #### writeObject

          public final void writeObject(ASN1Primitive primitive)
                                 throws java.io.IOException

      Throws:
        `java.io.IOException`