def main():
if len(sys.argv) < 2:
data = bytearray(
'I, the server, hereby agree that I will pay $100 to this student.'
.encode('ascii'))
data = data[:32]
else:
data_file = open(sys.argv[1])
data = data_file.read()
data_file.close()
try:
oracle = Oracle()
oracle.connect()
tag = oracle.mac(data, len(data))
ret = oracle.vrfy(data, len(data), tag)
print(ret)
if ret == 1:
print("Message verified successfully!")
else:
print("Message verification failed.")
finally:
oracle.disconnect()
def main():
if len(sys.argv) < 2:
data = bytearray('I, the server, hereby agree that I will pay $100 to this student.'.encode('ascii'))
data = data[:32]
else:
data_file = open(sys.argv[1])
data = data_file.read()
data_file.close()
try:
oracle = Oracle()
oracle.connect()
tag = oracle.mac(data, len(data))
ret = oracle.vrfy(data, len(data), tag)
print(ret)
if ret == 1:
print("Message verified successfully!")
else:
print("Message verification failed.")
finally:
oracle.disconnect()
