def _put(self, *args, **kwargs):
cmd_list = args[0]
print("上传命令列表--", cmd_list)
if len(cmd_list) == 1:
print('没带文件参数')
return
filename = cmd_list[1]
if os.path.isfile(filename):
size = os.path.getsize(filename)
if self.__md5_required(cmd_list):
local_md5 = md5.md5sum(filename)
data_header = {
'action': 'put',
'filename': filename,
'size': size,
'md5': local_md5
}
else:
data_header = {
'action': 'put',
'filename': filename,
'size': size,
'md5': None
}
self.client.send(json.dumps(data_header).encode())
response = self.get_response()
if response['code'] == 200:
process = self.show_progress(size)
process.__next__()
f = open(filename, 'rb')
for line in f:
self.client.send(line)
try:
process.send(len(line))
except StopIteration as e:
print("100%")
print('文件上传完毕')
f.close()
else:
print('错误: ', response['msg'])
if self.__md5_required(cmd_list):
md5_recv = self.get_response()
server_md5 = md5_recv['data']['md5']
if server_md5 == local_md5:
print('服务器上的文件和本地文件md5校验一致,都是: ', local_md5)
else:
print('文件MD5校验不一致，服务器MD5: %s,本地MD5: %s' %
(server_md5, local_md5))
else:
print(os.getcwd())
print(filename, '本地文件不存在')
def decrypt(self, en_msg):
print('Started decryption')
# <IDEA(ZIP(M, S)), RSA(k)> -> IDEA(ZIP(M, S)), RSA(k)
print('\tExtracting key')
bin_en_msg = base_64.decode(en_msg)
idea_en_msg = bin_en_msg[:-128]
en_key = bin_en_msg[-128:]
# RSA(k) -> k
print('\tDecrypting key')
temp_key = "".encode('utf-8')
for i in range(int(len(en_key))):
tmp = en_key[i]
tmp = int(tmp) # bytes->int
tmp = '{:08b}'.format(tmp).encode('utf-8') # int->str->bytes
temp_key = temp_key + tmp
en_key = int(str(temp_key.decode('utf-8')), 2)
idea_key = rsa.decrypt(en_key, self.receiver.pri_key)
# IDEA(ZIP(M, S)) -> ZIP(M, S)
print('\tDecrypting data')
msg = IDEA.IDEA_de(idea_en_msg, idea_key)
# ZIP(M, S) -> M, S
print('\tDecompressing data')
msg = zipstream.bytes2bitarray(msg)
msg = self.compressor.decompress(msg)
message = msg[:-128]
sign = msg[-128:]
temp_sign = "".encode('utf-8')
for i in range(int(len(sign))):
tmp = sign[i]
tmp = int(tmp) # bytes->int
tmp = '{:08b}'.format(tmp).encode('utf-8') # int->str->bytes
temp_sign = temp_sign + tmp
sign = int(str(temp_sign.decode('utf-8')), 2)
# Verification
print('\tVerifying')
original_md5 = rsa.encrypt(sign, self.sender.pub_key)
original_md5 = hex(original_md5)[2:]
print(f'Original md5: \t{original_md5}')
current_md5 = md5.md5sum(message)
print(f'Current md5: \t{current_md5}')
if current_md5 == original_md5:
print('Verified!')
return message
else:
print("Verification failed!")
return None
def _get(self, *args, **kwargs):
cmd_list = args[0]
print("下载命令列表--", cmd_list)
if len(cmd_list) == 1:
print('没带文件参数')
return
filename = cmd_list[1]
if self.__md5_required(cmd_list):
data_header = {'action': 'get', 'filename': filename, 'md5': True}
else:
data_header = {'action': 'get', 'filename': filename, 'md5': False}
self.client.send(json.dumps(data_header).encode())
response = self.get_response()
if response['code'] == 257:
#告诉服务器端可以发送了
self.client.send(b'1')
size = response['data']['size']
recv_size = 0
m = hashlib.md5()
f = open(filename, 'wb')
process = self.show_progress(size)
process.__next__()
while recv_size < size:
recv_data = self.client.recv(1024)
f.write(recv_data)
recv_size += len(recv_data)
try:
process.send(len(recv_data))
except StopIteration as e:
print("100%")
else:
print('%s 文件下载完成' % filename)
f.close()
else:
print('错误: ', response['msg'])
if data_header['md5']:
server_md5 = response['data']['md5']
local_md5 = md5.md5sum(filename)
if server_md5 == local_md5:
print('服务器文件和本地文件md5校验一致，都是: ', local_md5)
else:
print('错误:文件md5校验不一致,服务器MD5: %s,本地MD5: %s' %
(server_md5, local_md5))
def encrypt(self, msg):
print('Started encryption')
# MD5(M)
print('\tCalculating md5')
md5_hash = md5.md5sum(msg)
m = int(md5_hash, 16)
# MD5(M) -> S
print('\tGenerating signature')
sign = rsa.decrypt(m, self.sender.pri_key)
sign = '{:01024b}'.format(sign)
sign = sign.encode('utf-8')
# <M, S> -> ZIP(M, S)
print('\tCompressing')
new_msg = msg
for i in range(int(len(sign) / 8)):
tmp = sign[i * 8:i * 8 + 8]
data = int(tmp, 2)
data = bytes([data])
new_msg = new_msg + data
new_msg = self.compressor.compress(new_msg).tobytes()
# IDEA(ZIP(M, S))
print('\tEncrypting compressed data')
idea_key = 0x4AD6459F82C5B300952C49104881EF51
idea_msg = IDEA.IDEA_en(new_msg, idea_key)
# RSA(k)
print('\tEncrypting key')
rsa_key = rsa.encrypt(idea_key, self.receiver.pub_key)
rsa_key = '{:01024b}'.format(rsa_key)
rsa_key = rsa_key.encode('utf-8')
# <IDEA(ZIP(M, S)), RSA(k)>
print('\tConcatenating')
data_part = idea_msg
for i in range(int(len(rsa_key) / 8)):
tmp = rsa_key[i * 8:i * 8 + 8]
data = int(str(tmp, encoding='utf8'), 2) # bytes->str->int
data = bytes([data]) # int->bytes
data_part = data_part + data
result = base_64.encode(data_part)
print('Done!')
return result
def key_hash(password):
key = md5sum(password)
key += md5sum(key)
return bytes.fromhex(key)
import md5
import rsa
import IDEA
import base_64
import zipstream
if __name__ == '__main__':
# 读取文件
fp = open(
"../../../Documents/Tencent Files/2498537532/FileRecv/ys168.com.txt",
"rb")
msg = fp.read()
fp.close()
'''****************加密过程*******************'''
'''1. 对M进行MD5散列计算，得到MD5(M)'''
md5_hash = md5.md5sum(msg)
'''2.利用RSA加密MD5(M)，得到S'''
# 公钥私钥中用到的两个大质数p,q，都是512位；e是和(q-1)*(p-1)互质的另一个正整数
p1 = 11892845164754857302192817993787160730215019683720078508868206227442930130722825064091815998764273410046313495341034135557819502333338074415976198866323473
q1 = 11367670600867484708699649015361923450974263455941875059545547729179804359361891954089186046814453092650085798107044468298400840193141395710340815439355097
e1 = 611
# 1是发送者，2是接收者
# 生成发送者公钥私钥
pubkey_1, selfkey_1 = rsa.gen_key(p1, q1, e1)
# 把hash值:十六进制->十进制
m = int(md5_hash, 16)
# 用发送者的私钥对hash进行加密得到签名S
S = rsa.decrypt(m, selfkey_1)
# 签名S共1024位，不足的高位补0
# 一维转二维
@classmethod
def one_dimensional_to_two_dimensional(cls, vector, row, col):
matrix = vector.reshape(row, col)
for i in range(row):
if i % 2 == 1:
matrix[i] = matrix[i][::-1]
return matrix
if __name__ == '__main__':
path = file_name = "D:\\Documents\\codeFiles\\Python3\GraphCompress\\4.jpg"
app = wx.App()
frame = GuageFrame(file_name + '.jpg')
# frame.Show()
# 创建线程，设定延迟加载时间及间隔执行时间
_thread.start_new_thread(frame.timer, (0.5, ))
app.MainLoop()
UnCompress.uncompress(file_name + ".compress")
print(
md5.md5sum(file_name + '.bmp') == md5.md5sum(file_name +
'_UnCompress.bmp'))
img1 = cv2.imread(file_name + '.bmp')
img1 = cv2.cvtColor(img1, cv2.COLOR_BGR2GRAY)
img2 = cv2.imread(file_name + '_UnCompress.bmp')
img2 = cv2.cvtColor(img2, cv2.COLOR_BGR2GRAY)
print(img1 == img2)