Constructs a parameter set for OAEP padding as defined in the PKCS #1 standard using the specified message digest algorithm mdName, mask generation function algorithm mgfName, parameters for the mask generation function mgfSpec, and source of the encoding input P pSrc.

Parameters:

mdName		the algorithm name for the message digest.
mgfName		the algorithm name for the mask generation function.
mgfSpec		the parameters for the mask generation function. If null is specified, null will be returned by getMGFParameters().
pSrc		the source of the encoding input P.

Exceptions:

NullPointerException

if mdName, mgfName, or pSrc is null.