Python Django Vuzit signature example

vuzit_django_signature_example.py

import time
import sha
import hmac
import base64

# Add your client settings here
public_key = '<YOUR PUBLIC KEY>'
private_key = '<YOUR PRIVATE KEY>'

# View a document
def view_document(request):
    document_id = '123abc' # You load it here
    timestamp = int(time.time())

    return { 'document_id': document_id
             'public_key': public_key,
             'timestamp': timestamp,
             'signature': vuzit_signature(id) }

# Creates the signature
def vuzit_signature(document_id, timestamp):
    message = 'show' + doc_id + public_key + str(timestamp)
    return base64.b64encode(hmac.new(private_key, message, sha).digest())