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