def main():
print('================== - Criptografia RSA - ======================')
blockSize = 15
rsa = RSA()
msg_f = open("original_msg")
o_message = msg_f.read()
print('================== -------------------- ======================')
numList = str2num(o_message)
print(' ')
print('Mensagem original')
print(o_message)
print(' ')
print('---------------------------')
#print(' ')
print(numList)
blocks = num2block(numList, blockSize)
#print(blocks)
y = rsa.encryption(blocks)
print("--------------------------")
x = rsa.decryption(y)
numList = block2num(x, blockSize)
print('---------- Voltando numero para string----------------')
#print(numList)
print(' ')
msg = num2str(numList)
print(msg)
def chat(self, data):
"""接收聊天信息并打印"""
sender = data['from']
receiver = data['to']
logArea = self.father.logArea
log = ctime() + " Receive Message\n\n"
encryptedMessage = data['encryptedMessage']
encryptedKey = data['encryptedKey']
signature = data['signature']
senderPubKey = data['senderPubKey']
decryptionType = self.father.father.selfInfo['decryptionType']
# message = ''
r = RSA(0)
priKey = self.father.father.selfInfo['priKey']
key = r.decryption(encryptedKey, priKey)
if self.father.father.selfInfo['communicationType'] == 'rsa':
# priKey = self.father.father.selfInfo['priKey']
if len(encryptedMessage) > 5:
result = r.verify(encryptedMessage[0:6], signature,
senderPubKey)
else:
result = r.verify(encryptedMessage, signature,
senderPubKey)
if result:
log += ctime() + " Verify Successfully\n\n"
# father.father.logArea.insert(tk.END)
key = r.decryption(encryptedKey, priKey)
if decryptionType == 'caesar':
c = Caesar()
key = int(key)
message = c.decryption(encryptedMessage, key)
# pass
elif decryptionType == 'playfair':
p = Playfair(0)
p.generateMatrix(key)
message = p.decryption(encryptedMessage)
# pass
elif decryptionType == 'des':
d = des()
message = d.decrypt(key, encryptedMessage)
else:
d = des()
less = data['less']
# print("--------------------",key1, key2, encryptedMessage)
message = d.tdecrypt(key[2:10], key[14:22],
encryptedMessage)
message = message[0:-less]
# print("--------------------",message)
# pass
else:
# 输出不合格
pass
else:
r = RSA(0)
if len(encryptedMessage) > 5:
result = r.verify(encryptedMessage[0:6], signature,
senderPubKey)
else:
result = r.verify(encryptedMessage, signature,
senderPubKey)
if result:
log += ctime() + " Verify Successfully\n\n"
if decryptionType == 'caesar':
key = self.father.father.selfInfo['key']
c = Caesar(key)
ct, secretKey = c.encryption('aaa')
message = c.decryption(encryptedMessage[0],
secretKey)
print('-----------pass')
elif decryptionType == 'playfair':
p = Playfair(0)
p.generateMatrix(key)
message = p.decryption(encryptedMessage)
elif decryptionType == 'des':
d = des()
message = d.decrypt(key, encryptedMessage)
else:
d = des()
less = data['less']
message = d.tdecrypt(key[2:10], key[14:22],
encryptedMessage)
message = message[0:-less]
# pass
else:
print('-----------not pass')
pass
# print("i am here")
textArea = self.father.textArea
text = '['+ sender + ' -> ' + receiver + ' ' + \
ctime() + ']\n\t' + message + '\n'
textArea.insert(tk.END, text)
textArea.see(tk.END)
logArea.insert(tk.END, log)
logArea.see(tk.END)
print("i am here")
