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

org.bouncycastle.crypto.io

## Class SignerOutputStream

- java.lang.Object
- - java.io.OutputStream
  - - org.bouncycastle.crypto.io.SignerOutputStream

- All Implemented Interfaces:
    java.io.Closeable, java.io.Flushable, java.lang.AutoCloseable

      public class SignerOutputStream
      extends java.io.OutputStream

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected Signer` | `signer`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `SignerOutputStream(Signer Signer)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `Signer` | `getSigner()`
    `void` | `write(byte[] b, int off, int len)`
    `void` | `write(int b)`

    - ### Methods inherited from class java.io.OutputStream

      `close, flush, write`

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

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

- - ### Field Detail

    - #### signer

          protected Signer signer

  - ### Constructor Detail

    - #### SignerOutputStream

          public SignerOutputStream(Signer Signer)

  - ### Method Detail

    - #### write

          public void write(int b)
                     throws java.io.IOException

      Specified by:
        `write` in class `java.io.OutputStream`
      Throws:
        `java.io.IOException`

    - #### write

          public void write(byte[] b,
                            int off,
                            int len)
                     throws java.io.IOException

      Overrides:
        `write` in class `java.io.OutputStream`
      Throws:
        `java.io.IOException`

    - #### getSigner

          public Signer getSigner()