Generates the extension's DER encoding and writes it to the output stream.
@param out the output stream @exception IOException on encoding or output error. @exception NullPointerException if {@code out} is {@code null}.
See Implementation
Generates the extension's DER encoding and writes it to the output stream.
@param out the output stream @exception IOException on encoding or output error. @exception NullPointerException if {@code out} is {@code null}.