#NEWLINE# def __init__( self , key , mgfunc , saltLen ) : #NEWLINE# #INDENT# 'Initialize this PKCS#1 PSS signature scheme object.\n        \n        :Parameters:\n         key : an RSA key object\n                If a private half is given, both signature and verification are possible.\n                If a public half is given, only verification is possible.\n         mgfunc : callable\n                A mask generation function that accepts two parameters: a string to\n                use as seed, and the lenth of the mask to generate, in bytes.\n         saltLen : int\n                Length of the salt, in bytes.\n        ' #NEWLINE# self . _key = key #NEWLINE# self . _saltLen = saltLen #NEWLINE# self . _mgfunc = mgfunc