Returns the next X.509 object of the type of this SPI from the given
input stream.
the next X.509 object in the stream or null if theend of the stream is reached. exception: StreamParsingException - if the object cannot be created from input stream.
Returns all X.509 objects of the type of this SPI from
the given input stream.
A collection of all X.509 objects in the input stream ornull if the end of the stream is reached. exception: StreamParsingException - if an object cannot be created from input stream.