public interface Extension

 Extension ::= SEQUENCE {
 extnId OBJECT IDENTIFIER,
 critical BOOLEAN DEFAULT FALSE,
 extnValue OCTET STRING
 -- contains a DER encoding of a value
 -- of the type registered for use with
 -- the extnId object identifier value
 }
 

Since:

1.7

• Method Summary

  All Methods

  Modifier and Type	Method	Description
  void	encode (OutputStream out)	Generates the extension's DER encoding and writes it to the output stream.
  String	getId ()	Gets the extensions's object identifier.
  byte[]	getValue ()	Gets the extensions's DER-encoded value.
  boolean	isCritical ()	Gets the extension's criticality setting.

• Method Detail

  • getId

    String getId()

    Gets the extensions's object identifier.

    Returns:

    the object identifier as a String

  • isCritical

    boolean isCritical()

    Gets the extension's criticality setting.

    Returns:

    true if this is a critical extension.

  • getValue

    byte[] getValue()

    Gets the extensions's DER-encoded value. Note, this is the bytes that are encoded as an OCTET STRING. It does not include the OCTET STRING tag and length.

    Returns:

    a copy of the extension's value, or null if no extension value is present.

  • encode

    void encode(OutputStream out)
     throws IOException 

    Generates the extension's DER encoding and writes it to the output stream.

    Parameters:

    out - the output stream

    Throws:

    IOException - on encoding or output error.

    NullPointerException - if out is null.