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Encoders
========
.. currentmodule:: nacl.encoding
PyNaCl supports a simple method of encoding and decoding messages in different
formats. Encoders are simple classes with staticmethods that encode/decode and
are typically passed as a keyword argument `encoder` to various methods.
For example you can generate a signing key and encode it in hex with:
.. code-block:: python
hex_key = nacl.signing.SigningKey.generate().encode(encoder=nacl.encoding.HexEncoder)
Then you can later decode it from hex:
.. code-block:: python
signing_key = nacl.signing.SigningKey(hex_key, encoder=nacl.encoding.HexEncoder)
Built in Encoders
-----------------
.. class:: RawEncoder
.. class:: HexEncoder
.. class:: Base16Encoder
.. class:: Base32Encoder
.. class:: Base64Encoder
.. class:: URLSafeBase64Encoder
Defining your own Encoder
-------------------------
Defining your own encoder is easy. Each encoder is simply a class with 2 static
methods. For example here is the hex encoder:
.. code-block:: python
import binascii
class HexEncoder(object):
@staticmethod
def encode(data):
return binascii.hexlify(data)
@staticmethod
def decode(data):
return binascii.unhexlify(data)
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