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maurostorch/signcheck.py

Created October 13, 2016 20:31
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signcheck.py
from OpenSSL import crypto
import os
fk = open('security/server.key','r')
k = crypto.load_privatekey(crypto.FILETYPE_PEM, fk.read())
fcert = open('security/server.crt','r')
cert = crypto.load_certificate(crypto.FILETYPE_PEM, fcert.read())
signature = crypto.sign(k, 'data', 'sha1')
try:
crypto.verify(cert, signature, 'data', 'sha1')
print('good signature')
except:
print('wrong signature')
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