def getKeyFromPEM(PEMdata):
'''
Return a private key that can be feeded to the rsa module.
@param PEMdata: data of a PEM certificate (without header nor footer)
@return: key dictionary with private d,p,q values
'''
derdata = b64decode(PEMdata)
privkey = derdecode(derdata)[0]
return {'d': int(privkey[3]) , 'p': int(privkey[4]), 'q':int(privkey[5])}
def _encryptToken (self, token, publickey):
'''
Return encrypted token
@param token: An arbitrary string to be encrypted. Assumed to be "quite"
random, no padding is done nor further security considerations.
@param publickey: A string containing a PEM public key, normally
multiline. We assume that there is NO header. Normally this value is
retrieved from inside the database
@return a string containing the token encrypted, ready to be
sent to the user
'''
derbits = b64decode(publickey)
pubkey = derdecode(derbits)[0]
# The PEM should be in this schema
key = { 'n': int(pubkey[0]) , 'e': int(pubkey[1]) }
return rsa.encrypt(token, key)
exit(-1)
print "Encrypted token received:"
print etoken[0:76]
print "..."
# Open the sample key, read the private key, and try to decrypt
privdata = ""
with open("johnsmith.rsa", "r") as f:
for line in f:
if line[0:5] == "-----":
pass
else:
privdata += line
derdata = b64decode(privdata)
privkey = derdecode(derdata)[0]
key = {"d": int(privkey[3]), "p": int(privkey[4]), "q": int(privkey[5])}
token = rsa.decrypt(etoken, key)
print "Decrypted token:"
print token
authURL = "https://" + "johnsmith" + ":" + token + "@" + "127.0.0.1" + ":" + "1356"
serverConn = xmlrpclib.ServerProxy(authURL)
print "Sending ping from authorized user. Response:"
print serverConn.ping()
serverConn = xmlrpclib.ServerProxy("https://*****:*****@127.0.0.1:1356")
print "Sending ping from unauthorized user. Response:"
