vernam 2.0.0

Vernam cipher

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# Vernam 2.0.0

### Synopsis
A simple vernam (or OTP) encryption / decription program in python

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### Code Example
Encode message "super_secret_message" with key "very_secret_key", store in variable "encoded", and print as a list.
~~~
encoded = vernam("super_secret_message", "very_secret_key")
print( encoded )
~~~

Decode message stored in variable "encoded" with key "very_secret_key", store in variable "decoded", and print as a string.
~~~
decoded = vernam(encoded, "very_secret_key")
print( "".join(decoded) )
~~~
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### Installation
Install:
~~~
>>> pip install vernam
~~~
Import:
~~~
>>> from vernam import vernam
~~~
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### API Reference
1. Create an instance of class vernam
2. Run:
instance.xor(key)
* "key" must be a string or list, if the latter, each item must contain a single unicode character in string form
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### License
[MIT Licence](https://choosealicense.com/licenses/mit/#)

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