def __init__(
self,
decode: Arg(metavar='decode-as',
type=str,
help='Input encoding; Guess encoding by default.') = None,
encode: Arg(metavar='encode-as',
type=str,
help=F'Output encoding; The default is {Unit.codec}.'
) = Unit.codec,
decerr: Arg.Option(
'-d',
choices=Handler,
help='Specify an error handler for decoding.') = None,
encerr: Arg.Option(
'-e',
choices=Handler,
help='Specify an error handler for encoding.') = None,
errors: Arg.Option(
'-E',
choices=Handler,
help=('Specify an error handler for both encoding and decoding. '
'The possible choices are the following: {choices}')) = None,
):
super().__init__(decode=decode,
encode=encode,
decerr=Arg.AsOption(decerr or errors or 'STRICT',
Handler).value,
encerr=Arg.AsOption(encerr or errors or 'STRICT',
Handler).value)
def __init__(
self,
key: Arg(help='RSA key in PEM, DER, or Microsoft BLOB format.'),
swapkeys: Arg.Switch('-s',
help='Swap public and private exponent.') = False,
textbook: Arg.Switch('-t',
group='PAD',
help='Equivalent to --padding=NONE.') = False,
padding: Arg.Option(
'-p',
group='PAD',
choices=PAD,
help=
'Choose one of the following padding modes: {choices}. The default is AUTO.'
) = PAD.AUTO,
rsautl: Arg.Switch(
'-r',
group='PAD',
help=
'Act as rsautl from OpenSSH; This is equivalent to --swapkeys --padding=PKCS10'
) = False,
):
padding = Arg.AsOption(padding, PAD)
if textbook:
if padding != PAD.AUTO:
raise ValueError('Conflicting padding options!')
padding = padding.NONE
if rsautl:
if padding and padding != PAD.PKCS10:
raise ValueError('Conflicting padding options!')
swapkeys = True
padding = PAD.PKCS10
super().__init__(key=key,
textbook=textbook,
padding=padding,
swapkeys=swapkeys)
self._key_hash = None
self._key_data = None