Sith/eboutic/tests/test.py

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#!/usr/bin/env python3
# -*- coding:utf-8 -*
#
# Skia < skia AT libskia DOT so >
#
# Beerware licensed software - 2017
#
import base64
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from OpenSSL import crypto
with open("./private_key.pem") as f:
PRVKEY = f.read()
with open("./public_key.pem") as f:
PUBKEY = f.read()
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data = "Amount=400&BasketID=4000&Auto=42&Error=00000\n".encode("utf-8")
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# Sign
prvkey = crypto.load_privatekey(crypto.FILETYPE_PEM, PRVKEY)
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sig = crypto.sign(prvkey, data, "sha1")
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b64sig = base64.b64encode(sig)
print(b64sig)
# Verify
pubkey = crypto.load_publickey(crypto.FILETYPE_PEM, PUBKEY)
cert = crypto.X509()
cert.set_pubkey(pubkey)
sig = base64.b64decode(b64sig)
try:
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crypto.verify(cert, sig, data, "sha1")
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print("Verify OK")
except:
print("Verify failed")