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Re: How to XOR a byte output?

From Marko Rauhamaa <marko@pacujo.net>
Newsgroups comp.lang.python
Subject Re: How to XOR a byte output?
Date 2016-04-14 12:18 +0300
Organization A noiseless patient Spider
Message-ID <87potssg4n.fsf@elektro.pacujo.net> (permalink)
References <387506b1-b645-4907-a45c-81a8c3043099@googlegroups.com> <CAPTjJmpuG=ew7FPwhdtsgDyjDc8d_T8-zbWuVxZy_sUUGj+R0Q@mail.gmail.com> <mailman.71.1460554158.15650.python-list@python.org> <874mb5twha.fsf@elektro.pacujo.net> <2566ab7f-12bd-4f3b-92b2-45104b8b7dd8@googlegroups.com>

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durgadevi1 <srirajarajeswaridevikrupa@gmail.com>:

>>    >>> bytes(c ^ k for c, k in zip(code, key)).decode()
>
> [...]
> UnicodeDecodeError: 'utf-8' codec can't decode byte 0x85 in position 0:
> invalid start byte
>
> [...]
>
> However, I get no errors when using values 0 to 127 to XOR with CODE.
> But I get errors when using values (128 to 255). May I know how I can
> modify the program code so that i can XOR with values (128 to 255)?

Leave out .decode() at the end.


Marko

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Thread

How to XOR a byte output? durgadevi1 <srirajarajeswaridevikrupa@gmail.com> - 2016-04-13 06:18 -0700
  Re: How to XOR a byte output? Chris Angelico <rosuav@gmail.com> - 2016-04-13 23:29 +1000
    Re: How to XOR a byte output? durgadevi1 <srirajarajeswaridevikrupa@gmail.com> - 2016-04-13 06:51 -0700
      Re: How to XOR a byte output? Chris Angelico <rosuav@gmail.com> - 2016-04-14 00:31 +1000
      Re: How to XOR a byte output? Stephen Hansen <me+python@ixokai.io> - 2016-04-13 08:33 -0700
    Re: How to XOR a byte output? Marko Rauhamaa <marko@pacujo.net> - 2016-04-13 17:27 +0300
      Re: How to XOR a byte output? Ian Kelly <ian.g.kelly@gmail.com> - 2016-04-13 09:30 -0600
      Re: How to XOR a byte output? durgadevi1 <srirajarajeswaridevikrupa@gmail.com> - 2016-04-14 01:49 -0700
        Re: How to XOR a byte output? Peter Otten <__peter__@web.de> - 2016-04-14 11:16 +0200
        Re: How to XOR a byte output? Marko Rauhamaa <marko@pacujo.net> - 2016-04-14 12:18 +0300
          Re: How to XOR a byte output? Chris Juried <cjuried@yahoo.com> - 2016-04-14 23:05 +0000
          Re: How to XOR a byte output? Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2016-04-15 08:06 -0400
  Re: How to XOR a byte output? alister <alister.ware@ntlworld.com> - 2016-04-13 16:15 +0000
    [OT] A doubt about a doubt, was Re: How to XOR a byte output? Peter Otten <__peter__@web.de> - 2016-04-13 18:59 +0200
      Re: [OT] A doubt about a doubt, was Re: How to XOR a byte output? Rustom Mody <rustompmody@gmail.com> - 2016-04-13 18:54 -0700
        Re: [OT] A doubt about a doubt Peter Otten <__peter__@web.de> - 2016-04-14 14:26 +0200
  Re: How to XOR a byte output? durgadevi1 <srirajarajeswaridevikrupa@gmail.com> - 2016-04-14 01:32 -0700
  Re: How to XOR a byte output? durgadevi1 <srirajarajeswaridevikrupa@gmail.com> - 2016-04-15 04:46 -0700

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