Esempi in Python per symmetricDecrypt

Esempio n. 1

def registerVote(plainText, username, password):
	"""Register plainText as the vote of user with given username and password"""
	if GlobalVariables.objects.filter(varname='electionState')[0].value != 'election':
		return False
	userlist = Users.objects.filter(username=username)
	#print len(userlist)
	if (len(userlist) == 0):
		return False
	assert(len(userlist) == 1)
	decryptedPrivateKey = cryptography.symmetricDecrypt(userlist[0].encryptedPrivateKey,password)

	certificate = cryptography.asymmetricSign(plainText,decryptedPrivateKey)
	key = RSA.importKey(decryptedPrivateKey)
	key = key.publickey().exportKey()
	assert(len(PublicKeys.objects.filter(publicKey=key)) == 1)
	publicKey = PublicKeys.objects.filter(publicKey=key)[0]

	challenobj = ChallengeStrings.objects.all()
	lenofcha = len(challenobj)
	rannum = lenofcha/2
	'''get a random number'''
	p1 = Votes(plainText=plainText, certificate=certificate, publicKey=publicKey, challengeStr = challenobj[rannum])
	p1.save()

	return True

Esempio n. 2

File: databaseManager.py Progetto: ankitkal/gems

def registerVote(plainText, username, password):
	"""Register plainText as the vote of user with given username and password"""
	if GlobalVariables.objects.filter(varname='electionState')[0].value != 'election':
		return False
	userlist = Users.objects.filter(username=username)
	#print len(userlist)
	if (len(userlist) == 0):
		return False
	assert(len(userlist) == 1)
	decryptedPrivateKey = cryptography.symmetricDecrypt(userlist[0].encryptedPrivateKey,password)

	certificate = cryptography.asymmetricSign(plainText,decryptedPrivateKey)
	key = RSA.importKey(decryptedPrivateKey)
	key = key.publickey().exportKey()
	assert(len(PublicKeys.objects.filter(publicKey=key)) == 1)
	publicKey = PublicKeys.objects.filter(publicKey=key)[0]

	challenobj = ChallengeStrings.objects.all()
	lenofcha = len(challenobj)
	rannum = lenofcha/2
	'''get a random number'''
	p1 = Votes(plainText=plainText, certificate=certificate, publicKey=publicKey, challengeStr = challenobj[rannum])
	p1.save()

	return True