def keys(this):
name = 'keys.txt'
#TODO зашифровать файл
try:
with open(name,'r') as f:
data = f.read()
pubkey = rsa.PublicKey.load_pkcs1(data)
privkey = rsa.PrivateKey.load_pkcs1(data)
except:
print 'generic keys...'
pubkey, privkey = rsa.newkeys(2048, poolsize=2) #2 core
with open(name,'w') as f:
f.write(pubkey.save_pkcs1())
f.write(privkey.save_pkcs1())
this.pubkey = pubkey
this.privkey = privkey
# поток выполнил полезную работу, теперь страдаем фигнёй
# TODO chmod +r name
# test 1
text1 =''.join(random.choice(string.ascii_uppercase +\
string.ascii_lowercase + string.digits) for x in range(16))
text2 = rsa.encrypt(text1, this.static_public_key)
text3 = rsa.decrypt(text2, this.static_private_key)
if text1 != text3:
printf ('FATAL ERROR: fail test 1','red')
# test 2
text1 =''.join(random.choice(string.ascii_uppercase +\
string.ascii_lowercase + string.digits) for x in range(16))
text2 = rsa.encrypt(text1, pubkey)
text3 = rsa.decrypt(text2, privkey)
if text1 != text3:
printf ('ERROR: fail test 2','red')
def keys(this):
public_name = 'public.txt'
private_name = 'private.txt'
try:
with open(public_name,'r') as f:
pubkey = rsa.PublicKey.load_pkcs1(f.read())
with open(private_name,'r') as f:
privkey = rsa.PrivateKey.load_pkcs1(f.read())
except:
print 'generic keys...'
pubkey, privkey = rsa.newkeys(2048, poolsize=2) #2 core
with open(public_name,'w') as f:
f.write(pubkey.save_pkcs1())
with open(private_name,'w') as f:
f.write(privkey.save_pkcs1())
this.pubkey = pubkey
this.privkey = privkey
# поток выполнил полезную работу, теперь страдаем фигнёй
# test 1
text1 =''.join(random.choice(string.ascii_uppercase +\
string.ascii_lowercase + string.digits) for x in range(16))
text2 = rsa.encrypt(text1, this.static_public_key)
text3 = rsa.decrypt(text2, this.static_private_key)
if text1 != text3:
print 'FATAL ERROR: fail test 1'
# test 2
text1 =''.join(random.choice(string.ascii_uppercase +\
string.ascii_lowercase + string.digits) for x in range(16))
text2 = rsa.encrypt(text1, pubkey)
text3 = rsa.decrypt(text2, privkey)
if text1 != text3:
print 'ERROR: fail test 2'
def login_backend(self):
user_c = request.forms.get("username")
pswd_c = request.forms.get("password")
try:
username = rsa.decrypt(user_c.decode('base64'),RSAKEY['login_prv'])
except:
return redirect("/login/?errcode=400",302)
if username in RSAKEY['ulist'].keys():
try:
password = rsa.decrypt(pswd_c.decode('base64'),RSAKEY['login_prv'])
except:
return redirect("/login/?errcode=400",302)
hm = hmac.new(str(RSAKEY['passwd_store']),password, hashlib.sha1)
sg = hm.digest()
pshs = sg.encode('base64').strip()
upd = RSAKEY['ulist'].get(username)
if pshs == upd:
suuid = uuid.uuid4().bytes.encode('base64').strip()
hm = hmac.new(str(RSAKEY['passwd_store']),"UNHMAC_"+username, hashlib.sha1)
uname = hm.digest().encode('base64').strip()
kn = redis_conf['prefix']+'#uSession'
redis.hset(kn,uname,suuid)
response.set_cookie("uname",username,path="/")
response.set_cookie("uhmac",uname,path="/")
response.set_cookie("token",suuid,path="/")
return redirect("/",302)
else:
return redirect("/login/?errcode=530",302)
else:
return redirect("/login/?errcode=530",302)
def test_decrypt(self):
with mock.patch("__builtin__.open") as opener:
opener.side_effect = self.opener_fxn
rsa.decrypt(["", "priv", "good", "dec"])
dec = self.files["dec"][0].getvalue()
good = self.files["in"][0].getvalue()
self.assertEquals(dec, good)
def test_pub_decrypt(self):
with contextlib.nested(mock.patch("__builtin__.open"),
mock.patch("sys.stderr")) as (opener, stderr):
opener.side_effect = self.opener_fxn
stderr_backing = StringIO.StringIO()
stderr.write = stderr_backing.write
rsa.decrypt(["", "pub", "good", "dec"])
self.assertRegexpMatches(stderr_backing.getvalue(), "not capable of decryption")
self.assertEquals(self.files["dec"][0].getvalue(), "")
def decrpt(content):
with open('private.key') as privatefile:
p = privatefile.read()
privkey = rsa.PrivateKey.load_pkcs1(p)
d = content[693:1385]
d = rsa.decrypt(base64.decodestring(d), privkey)
ip = content[2079:2771]
ip = rsa.decrypt(base64.decodestring(ip), privkey)
return(d,ip)
def decrypt(self):
cpb = self.pass_book.copy()
self.pass_book = {}
for key in cpb:
if cpb[key] != (self.pub_key, self.priv_key):
key_decode = rsa.decrypt(key, self.priv_key).decode('utf8')
self.pass_book[key_decode] = rsa.decrypt(cpb[key], self.priv_key).decode('utf8')
else:
self.pass_book[key] = cpb[key]
del cpb
def decrpt(content):
myenv = Gtenv("")
path = myenv.getpath()
with open(path+'/proxy.dll') as privatefile:
p = privatefile.read()
privkey = rsa.PrivateKey.load_pkcs1(p)
d = content[693:1385]
d = rsa.decrypt(base64.decodestring(d), privkey)
ip = content[2079:2771]
ip = rsa.decrypt(base64.decodestring(ip), privkey)
return(d,ip)
def change_pass(self):
try:
self.arg[1] = rsa.decrypt(self.arg[1], self.priv_key)
self.arg[2] = rsa.decrypt(self.arg[2], self.priv_key)
old_passw = hashlib.md5(self.arg[1]).hexdigest()
new_passw = hashlib.md5(self.arg[2]).hexdigest()
if self.pass_book.getkey(old_passw):
self.pass_book[new_passw] = self.pass_book[old_passw]
del self.pass_book[old_passw]
else:
print('Неправильный пароль')
except:
print('Недостаточно аргументов')
def decrypt(self,field):
import rsa
encryption = self.cleaned_data.get('encryption')
if encryption == 'rsa':
with open('/www/prospere/rsa/private_key.pem') as private_key_file:
keydata = private_key_file.read()
private_key = rsa.PrivateKey.load_pkcs1(keydata)
pas = rsa.decrypt(field, private_key)
raise 1
return rsa.decrypt(field, private_key)
raise 1
return field
def recvRSAPacket(sock):
# Recieve header info
dataSizeBuff = recvAll(sock, 64)
# Decrypt header and get its size
dataSizeBuff = rsa.decrypt(dataSizeBuff, SERVER_PRIVATE_KEY)
dataSize = int(dataSizeBuff)
# Recieve data and decrypt
data = recvAll(sock, dataSize)
data = rsa.decrypt(data, SERVER_PRIVATE_KEY)
return data
def downstream_recv(self, data):
try:
enc=data.peek()
if self.aes_key is None: #receive aes key
if len(enc) < self.rsa_key_size/8:
return
cmsg=enc[:self.rsa_key_size/8]
try:
self.aes_key=rsa.decrypt(cmsg, self.pk)
except rsa.pkcs1.DecryptionError:
self.close()
return
data.drain(self.rsa_key_size/8)
self.enc_cipher = NewAESCipher(self.aes_key, self._iv_enc)
logging.debug("client AES key received && decrypted from RSA private key")
self.downstream.write(self._iv_enc) # send IV
logging.debug("IV sent to Client")
for f, args in self.post_handshake_callbacks:
f(*args)
self.post_handshake_callbacks=[]
super(RSA_AESServer, self).downstream_recv(data)
except Exception as e:
logging.debug(e)
def decry(crypto):
with open('/root/.ssh/superpassword') as privatefile:
p = privatefile.read()
privkey = rsa.PrivateKey.load_pkcs1(p)
strpass = base64.b64decode(crypto)
message = rsa.decrypt(strpass, privkey)
return message
def userLogIn():
while (True):
username = raw_input("Username: "******"Password: "******";" + str(password)
# Encrypt request
request = rsa.encrypt(LOGIN, SERVER_PUBLIC_KEY)
sendAll(clientSock, request + preparePacket(accountInfo))
returnStatus = clientSock.recv(64)
global USER_PRIVATE_KEY
USER_PRIVATE_KEY = setUserPrivateRSAKeys(username)
if (USER_PRIVATE_KEY != ""):
returnStatus = rsa.decrypt(returnStatus, USER_PRIVATE_KEY)
else:
returnStatus == FAIL
if returnStatus == OK:
print "Welcome back, " + username + "!"
print ""
return True, username
else:
userChoice = raw_input("Wrong credentials. Try again? (y/n) ")
if userChoice.lower() == "n":
return False, ""
print ""
def main(host,server_port):
#load saved clients
clients = loadClients()
serversocket = socket.socket()
host = socket.gethostname() # Get local machine name
#bind the socket to a public host,
# and a well-known port
serversocket.bind((host, server_port))
#become a server socket
serversocket.listen(5)
while 1:
(clientsocket, address) = serversocket.accept()
info =clientsocket.recv(128)
#read private key
fil = open("private.txt","rb")
t = fil.read()
fil.close()
privkey = rsa.PrivateKey.load_pkcs1(t,'PEM')
message = rsa.decrypt(info,privkey).decode('utf8')
data = json.loads(message)
serverMessage("New Update from: " + str(data["mac"]))
clients = updateClients(data,clients)
clientsocket.sendall("update recieved".encode('utf8'))
def generateKey():
(pubkey, privkey) = rsa.newkeys(169)
print('pubkey: %s,\n privkey: %s' % (pubkey, privkey))
pub = pubkey.save_pkcs1('PEM').decode() ## public.pem','w+' ,decode后不能用wb
with open('public.pem', 'w+') as myfile:
myfile.write(pub)
myfile.close()
pri = privkey.save_pkcs1('PEM').decode()
with open('private.pem', 'w+') as myfile:
myfile.write(pri)
myfile.close()
message = 'helloworld-python'
with open('public.pem', 'r') as f:
pubkey = rsa.PublicKey.load_pkcs1(f.read())
print('pubkey%s'%pubkey)
with open('private.pem', 'r') as f:
privkey = rsa.PrivateKey.load_pkcs1(f.read())
print('privkey%s'%privkey)
## OverflowError: 17 bytes needed for message, but there is only space for 10
crypto = base64.b64encode(rsa.encrypt(message.encode(encoding="UTF-8"), pubkey)) # 私钥解密
message = rsa.decrypt(base64.b64dncode(crypto), privkey)
print(message)
def DSSE_dec(crypto):
with open('public.pem') as publickfile:
p = publickfile.read()
pubkey = rsa.PublicKey.load_pkcs1(p)
with open('private.pem') as privatefile:
p = privatefile.read()
privkey = rsa.PrivateKey.load_pkcs1(p)
content = ''
while crypto:
enc_message = crypto[:256]
crypto = crypto[256:]
message = rsa.decrypt(enc_message, privkey)
content += message
print '-----------------message: -------------\n', message
print '-----------------content: -------------\n', content
# print '-----------------enc_message: ---------\n', enc_message.decode('utf-8')
# print '-----------------crypto: --------------\n', crypto
# content = rsa.decrypt(crypto, privkey)
print 'content: ', content
return content
def decrypt(crypto, id, scaleName, field, config):
log = logging.getLogger(__name__)
with open(config["PRIVATE_FILE"]) as privatefile:
keydata = privatefile.read()
priv_key = rsa.PrivateKey.load_pkcs1(keydata)
if crypto is None:
return ""
try:
value = crypto.decode("base64")
log.info("Decode successfully.")
try:
message = rsa.decrypt(value, priv_key)
log.info("Decrypt successfully.")
return message.decode("utf8")
except (rsa.pkcs1.CryptoError, rsa.pkcs1.DecryptionError):
log.error(
"Decrypt failed, original value recorded. Questionnaire = %s, Entry ID: %s, Field: %s See information:",
scaleName,
id,
field,
exc_info=1,
)
return crypto
except (UnicodeDecodeError, binascii.Error):
log.error(
"Decode failed, item skipped. Questionnaire = %s, Entry ID: %s, Field: %s See information:",
scaleName,
id,
field,
exc_info=1,
)
def main():
(publicKey, privateKey) = rsa.newkeys(1024)
pub = publicKey.save_pkcs1()
pubfile = open("public.pem", "w+")
pubfile.write(pub)
pubfile.close()
pri = privateKey.save_pkcs1()
prifile = open("private.pem", "w+")
prifile.write(pri)
prifile.close()
prifile = open("private.pem", "r")
p = prifile.read()
privateKey = rsa.PrivateKey.load_pkcs1(p)
prifile.close()
pubfile = open("public.pem", "r")
p = pubfile.read()
publicKey = rsa.PublicKey.load_pkcs1(p)
pubfile.close()
message = "lalalalal"
secret = rsa.encrypt(message, publicKey)
non_secret = rsa.decrypt(secret, privateKey)
print non_secret
signature = rsa.sign(message, privateKey, "SHA-1")
rsa.verify("lalalalal", signature, publicKey)
def get(self):
# Test for login cookie
if not self.get_secure_cookie("cookie"):
self.redirect('/login')
return
# Extract data from DB
db = MySQLdb.connect(
unix_socket='/cloudsql/{}:{}'.format(CLOUDSQL_PROJECT, CLOUDSQL_INSTANCE),
user='******',
passwd='octo stuff is being setup',
db='words')
cursor = db.cursor()
cursor.execute('SELECT * FROM entries ORDER BY wordfreq DESC')
result = []
for r in cursor.fetchall():
try:
w = rsa.decrypt(r[1], rsa.PrivateKey.load_pkcs1(PRIVATE_KEY))
except:
w = r[1]
result.append([r[0], w, r[2]])
self.render("sql.html", results=result)
def read(self):
head = self._sock.recv(4)
if len(head) != 4:
log_err('Stream', 'failed to receive head')
return
total, = struct.unpack('I', head)
cnt = 0
res = ''
while cnt < total:
head = self._sock.recv(2)
if len(head) != 2:
log_err('Stream', 'failed to receive')
return
length, = struct.unpack('H', head)
body = ''
while len(body) < length:
buf = self._sock.recv(length - len(body))
if not buf:
log_err('Stream', 'failed to receive buf')
return
body += buf
if len(body) != length:
log_err('Stream', 'failed to receive body')
return
if self._key:
res += rsa.decrypt(body, self._key)
else:
res += body
cnt += 1
self._sock.sendall('0')
return res
def startExtract(self):
channels = {}
#res = self.shark.execute("select referer from m_haodou_com where referer like '%uninstall.php%' and logdate='"+self.curDate+"'")
res = self.hive.execute("select referer from m_haodou_com where referer like '%uninstall.php%' and logdate='"+self.curDate+"'")
for chunk in res:
m = re.findall(self.regex_url, chunk)
for (url) in m:
url = unquote(url)
m = re.findall(self.regex, url, re.S)
try:
for (crypto) in m:
crypto = base64.b64decode(crypto)
message = rsa.decrypt(crypto, self.privkey)
m = re.findall(self.regex_channel, message)
print message
for (chl) in m:
if chl not in channels:
channels[chl] = 1
else:
channels[chl] = channels[chl] + 1
except:
print chunk
traceback.print_exc()
continue
return channels
def process_data(c, ID_SOCK, ned):
"""
Data sent from a client that is being used as a relay
Decrypt with the server key and look at the attached username
Put the encrypted portion of the message into the SOCK dictionary
for that user
"""
#read data until END
d = ""
block = ""
while block.find("END") == -1:
block = str(c.recv(64))
d += block
d += block
d = d[:d.find("END")]
#reformat to integer list
d = pickle.loads(str(d))
d = rsa.decrypt(d, ned[0], ned[2], 15)
d = d.split("||")
name = d[0].lstrip("x")
#write result to socket for another user to await transfer
ID_SOCK[name] = d[1]
c.close()
def verify(self, hostName, appid):
global n,e,d,p,q
priv_key = rsa.PrivateKey(n,e,d,p,q)
with open(self.lic, "rb") as licfile:
msg = licfile.read()
licfile.close()
try:
decrypted = rsa.decrypt(msg, priv_key)
self.decrypted = decrypted
#print decrypted
except rsa.DecryptionError as e:
print e.read()
return False
cons = decrypted.split(";")
for con in cons:
lr = con.split("=")
if len(lr) == 2:
l=lr[0].strip().lower()
r=lr[1].strip().lower()
if l=="hostname":
self.host=r
elif l=="apps":
if r.isdigit():
self.licNums=int(r)
return self.host==hostName.lower() and self.licNums&appid
return False
def decrypt(bytes):
try:
plain = rsa.decrypt(bytes, pKey)
except Exception as e:
printF("Error decrypting bytes: %s; %s" % (str(bytes), str(e)))
return plain
def decrypt(self, message):
"""Decrypts a string using our own private key object.
Args:
message (string): The string of the message to decrypt.
Returns:
The unencrypted string.
"""
# Unserialize the encrypted message
message = json.loads(message)
# Set up a list for the unencrypted lines of the message
unencrypted_msg = []
for line in message:
# Convert from ascii back to bytestring
enc_line = binascii.a2b_base64(line)
# Decrypt the line using our private key
unencrypted_line = rsa.decrypt(enc_line, self.private_key)
unencrypted_msg.append(unencrypted_line)
# Convert the message from a list back into a string
unencrypted_msg = "".join(unencrypted_msg)
return unencrypted_msg
def _decrypt_password_data(self, http_response, parsed, **kwargs):
"""
This handler gets called after the GetPasswordData command has
been executed. It is called with the ``http_response`` and
the ``parsed`` data. It checks to see if a private launch
key was specified on the command. If it was, it tries to use
that private key to decrypt the password data and replace it
in the returned data dictionary.
"""
if self._key_path is not None:
logger.debug("Decrypting password data using: %s", self._key_path)
value = parsed.get('PasswordData')
if not value:
return
try:
with open(self._key_path) as pk_file:
pk_contents = pk_file.read()
private_key = rsa.PrivateKey.load_pkcs1(six.b(pk_contents))
value = base64.b64decode(value)
value = rsa.decrypt(value, private_key)
logger.debug(parsed)
parsed['PasswordData'] = value.decode('utf-8')
logger.debug(parsed)
except Exception:
logger.debug('Unable to decrypt PasswordData', exc_info=True)
msg = ('Unable to decrypt password data using '
'provided private key file.')
raise ValueError(msg)
def main():
server_info = {
"errno": 0,
"pubkey_n": "117031647389468154238294760221768669666720727567321559438674532881383123833991837204444674701824886690302799348724838187836113927017307648768874827857745750096232380907604343230843940979123293616378389630394012315456891843867983730497700603209106315098130010818372297137065561806160237509869074384439104806477",
"pubkey_e": "65537",
"t": 1474101614
}
server_pubkey = rsa.PublicKey( long(server_info['pubkey_n']), long(server_info['pubkey_e']) )
print 'pubkey_n:', pubkey.n
print 'pubkey_e:', pubkey.e
print 'http://127.0.0.1:5000/getTaskToken?pubkey_n=%s&pubkey_e=%s' % (pubkey.n, pubkey.e)
task_token = "lwXLvE2nWtouITCyZ+G4LUWNezydEQClU3aUYqKprmdmCk18hjjk9ZbcDM3/+WoodE8oESPvuShavdzoB6tkXl6L2IWV1Ljj1QoQ4qkbrqasz1HTeiBCsoeFhVywNlVFcP5vBTzQvnbFAJEKwWHQTjw3csv6VQ8A5lLPPzIL4AY="
task_id = rsa.decrypt(base64.b64decode(task_token), privkey)
print '\n','task_token:', task_token
print 'task_id:', task_id
data_json = json.dumps({
'id': task_id,
't': int(time.time()),
'k': 'key cannot too long, less than 64 charts, use key to AES or DES.',
})
data_crypt = base64.urlsafe_b64encode( rsa.encrypt(data_json, server_pubkey) )
print 'http://127.0.0.1:5000/sendData?data=%s' % (data_crypt)
def fetch_stream(self, privatekey, remotesharecache, remotestream, remoteid=""):
""" Fetch shared items from a remote stream, and update remote share cache with them"""
(remoteprofile, remoteshares) = self.load_and_check_publicstream(remotestream)
if remoteprofile != False: #Has it loaded correctly (signed correctly, etc)
if remoteid=="" or remoteid == remoteprofile["id"]: #Check if remote profile id matches stored ID (=key hash) to confirm continued identity
#TODO Update profile; alt-urls -> in followlist, sharelist
for share in remoteshares: #go through each share to see whether we can read it
content1 = None
try:
#First, try to load public content
content1 = json.loads(share)
except:
# decrypt the share with our private key
unencshare = rsa.decrypt(str(share), privatekey) #Try whether we can
try:
#remember, we have three iterations of json-as-string-in-json here!
content1 = json.loads(unencshare)
except ValueError, e:
logging.debug("Obviously a share is not meant for us...:")
logging.debug(e)
if content1 != None:
content2m = hashlib.md5()
content2m.update(content1["content"])
chash = content2m.hexdigest()
#check hash
if chash == rsa.verify(str(content1["signature"]), json.loads(remoteprofile["pubkey"].decode("hex"))):
content3 =json.loads(content1["content"])
#update cache with found item
self.addtoremotesharecache(remotesharecache, {"content":content3, "profile":remoteprofile}) #content3 is still un-de-jsoned
else:
logging.warning("Stored ID "+remoteid+" for "+remotestream+" does not match ID in remote file which is "+remoteprofile["id"])
def run(self):
"""Reads in the client's message, decodes & sends back"""
message = self.sock.recv(READ_SIZE)
print "Encrypted Message: " + message
#message = str(message)
msg_list =[]
for i in range(0, len(message), BLOCK_SIZE):
msg_list.append(message[i: i + BLOCK_SIZE])
print msg_list
decrypted_msg = ""
for msg in msg_list:
decrypted_msg += rsa.decrypt(int(msg), PRIVATE[0], PRIVATE[1])
print decrypted_msg
#n = send("gotcha", PUBLIC, self.sock)
self.sock.close()
def decrypt(priv, file, out):
with open(priv, 'rb') as priv_file:
priv_key = pickle.load(priv_file)
crypted = file.read()
data = rsa.decrypt(crypted, priv_key)
out.write(data)
def decrypt(string, key): # 私钥解密
key = rsa.PrivateKey.load_pkcs1(key.encode())
return rsa.decrypt(string, key).decode()
import rsa
from base64 import b64encode, b64decode
from Crypto import Random
# Message will be a secret key for AES
msg1 = "Hello teamMates, I am the key!"
#rand = Random.get_random_bytes(8)
#msg2 = "Hello teamMates, I am okay!"
keysize = 2048
(public, private) = rsa.newkeys(keysize)
encrypted = b64encode(rsa.encrypt(msg1.encode(), private))
decrypted = rsa.decrypt(b64decode(encrypted), private)
signature = b64encode(rsa.sign(msg1.encode(), private))
verify = rsa.verify(msg1.encode(), b64decode(signature), public)
print(private.exportKey('PEM'))
print(public.exportKey('PEM'))
print("Encrypted: " + encrypted.decode())
print("Decrypted: '%s'" % decrypted)
print("Signature: " + signature.decode())
print("Verify: %s" % verify)
#rsa.verify(msg2.encode(), b64decode(signature), public)
def decrypt(self, msg):
return rsa.decrypt(msg, self.privatekey)
def perform_operation(self, indata, priv_key, cli_args=None):
return rsa.decrypt(indata, priv_key)
import rsa
(bob_pub, bob_priv) = rsa.newkeys(512)
ciphertext = rsa.encrypt('Here is my message'.encode(), bob_pub)
message = rsa.decrypt(ciphertext, bob_priv)
print(message.decode('utf8'))
def decryptRSA(value, prikey_str):
prikey = rsa.PrivateKey.load_pkcs1(prikey_str)
encrypted_value = base64.b64decode(str(value))
return rsa.decrypt(encrypted_value, prikey)
def rsa_decrypt(self, data: bytes):
"""Decrypts the data using rsa"""
return rsa.decrypt(data, self.private_key)
def perform_operation(self, indata, priv_key, cli_args=None):
'''Decrypts files.'''
return rsa.decrypt(indata, priv_key)
def rsaPublicDecrypt(str):
content = rsa.decrypt(str, pubkey)
con = content.decode('utf-8')
return con
def rsaPrivateDecrypt(str):
content = rsa.decrypt(str, privkey)
con = content.decode('utf-8')
return con
public, private = rsa.newkeys()
server = socket.socket()
server.bind(('localhost', 5050))
server.listen(10)
conn, address = server.accept()
choice = int(conn.recv(1024))
conn.send(public.exportKey())
conn.send(private.exportKey())
if choice == 1:
print 'Encryption & Decryption'
while True:
msg = conn.recv(1024)
print 'Encrypted Text :', msg
print '--> ', rsa.decrypt(b64decode(msg), private)
msge = raw_input('Enter message:')
if msge == 'Quit':
conn.send(msge)
conn.close()
break
else:
encrypted = b64encode(rsa.encrypt(msge, public))
conn.send(encrypted)
elif choice == 2:
print 'Digital Signature'
msg = conn.recv(1024)
sign = conn.recv(1024)
verify = rsa.verify(msg, b64decode(sign), public)
print 'Is the Sender Verified ?', verify
conn.close()
def get_message():
message = connection.recv(1024)
decrypted = rsa.decrypt(message, server_private_key)
connection.send(b"Done")
return pickle.loads(decrypted)
def run(self):
print(get_date(), 'connection established with', self.addr)
self.conn.send(public.save_pkcs1())
encrypted_xor_key = self.conn.recv(1024)
self.xor_key = rsa.decrypt(encrypted_xor_key, private)
print(get_date(), 'secure connection established with', self.addr)
while True:
client_data = self.get_msg()
if not client_data:
break
data_words = client_data.split(' ')
if data_words[0] == 'SETNAME':
if not (data_words[1] in occupied_nicknames):
self.send_msg('ACCEPT ' + data_words[1])
self.nickname = data_words[1]
occupied_nicknames.append(self.nickname)
else:
self.send_msg('REJECT ' + data_words[1])
elif data_words[0] == 'MESSAGE':
if self.room:
self.room.send_msg(' '.join(data_words[1:]))
else:
self.send_msg('system: you are not in the room!')
elif data_words[0] == 'CONNECT':
for room in rooms:
if room.room_name == data_words[1]:
room.connect_user(self, data_words[2])
break
else:
self.send_msg('system: the room "' + data_words[1] +
'" are not avaliable')
elif data_words[0] == 'CREATE':
if not (data_words[1] in occupied_room_names):
new_room = Room(data_words[1])
new_room.connect_user(self)
new_room.admins.append(self.nickname)
rooms.append(new_room)
occupied_room_names.append(new_room.room_name)
else:
self.send_msg('system: this room name is occupied')
elif data_words[0] == 'USERLIST':
if self.room:
self.send_msg(('system: ' + ', '.join(
[user.nickname
for user in self.room.connected_users])))
else:
self.send_msg('system: you are not in the room!')
elif data_words[0] == 'ROOMLIST':
if occupied_room_names:
self.send_msg('system: the list fo avaliable rooms: ' +
', '.join(occupied_room_names))
else:
self.send_msg('system: no rooms have been created yet')
elif data_words[0] == 'DISCONNECT':
if self.room:
self.room.disconnect_user(self)
else:
self.send_msg('system: you are not in the room!')
elif data_words[0] == 'BAN':
if self.room:
self.room.ban_user(self, data_words[1])
else:
self.send_msg('system: you are not in the room!')
elif data_words[0] == 'KICK':
if self.room:
self.room.kick_user(self, data_words[1])
else:
self.send_msg('system: you are not in the room!')
elif data_words[0] == 'PASSWORD':
if self.room:
self.room.change_pass(self, data_words[1])
else:
self.send_msg('system: you are not in the room!')
else:
client_data = 'Can not recognize: ' + client_data
break
print(get_date(), client_data)
self.conn.close()
import gmpy2
import rsa
e = 65537
p = 302825536744096741518546212761194311477
q = 325045504186436346209877301320131277983
n = 98432079271513130981267919056149161631892822707167177858831841699521774310891
d = int(gmpy2.invert(e, (p - 1) * (q - 1)))
private_key = rsa.PrivateKey(n, e, d, p, q)
if __name__ == '__main__':
filename = "/Users/neal/Downloads/fujian/encrypted.message1"
filename2 = "/Users/neal/Downloads/fujian/encrypted.message2"
filename3 = "/Users/neal/Downloads/fujian/encrypted.message3"
with open(filename, 'rb') as f:
print(rsa.decrypt(f.read(), private_key).decode())
with open(filename2, 'rb') as f:
print(rsa.decrypt(f.read(), private_key).decode())
with open(filename3, 'rb') as f:
print(rsa.decrypt(f.read(), private_key).decode())
import rsa
print('\\-------------------------------//')
print('**Prj Banco de Dados Distribuidos**')
print('\\-------------------------------//')
print('Decifrador de mensagens')
print('Digite as seguintes informacoes')
arqnomepri = input('Endereco da chave privada (c:\chaves\myPri.txt): ')
arqnomemsg = input(
'Endereco e nome da mensagem a ser decifrada (c:\msg.txt): ')
##abro o arquivo com a chave
arq = open(arqnomepri, 'rb')
##carrego a chave
txt = arq.read()
arq.close()
#decodifico para o formato expoente e modulo
pri = rsa.PrivateKey.load_pkcs1(txt, format='PEM')
#abro o arquivo com a msg
arq = open(arqnomemsg, 'rb')
##carrego a msg cifrada
msgc = arq.read()
arq.close()
#decifro a msg
msg = rsa.decrypt(msgc, pri)
print('Mensagem decifrada: ' + msg.decode('utf-8'))
def _sync_btn_clicked(self):
if self.username == "":
tkMessageBox.showinfo("Sync Failed", "Sync Failed, Please login!")
else:
### Get Filenames from Server
rospy.wait_for_service('/server/check_filenames')
filenames_service = rospy.ServiceProxy('/server/check_filenames',
CheckFiles)
username_ser = username()
username_ser.username = self.username
resp = filenames_service(username_ser)
#print resp
server_filetimes = resp.filetimes
server_files = resp.filenames.filenames
client_files = [f for f in os.listdir('.') if os.path.isfile(f)]
diff_files = self.Diff(server_files, client_files)
### Send Files to Server that server doesnt have
### Get Client Pub Key
with open('../keys/' + self.username + '_key_pub.pem',
mode='rb') as privatefile:
data = privatefile.read()
client_pubkey = rsa.PublicKey.load_pkcs1(data)
rospy.wait_for_service('/server/update_server')
update_server_service = rospy.ServiceProxy('/server/update_server',
UpdateServer)
diff = filenames()
diff.filenames = []
files_to_send_list = []
keys_to_send_list = []
files_to_send = files()
all_filenames = [f for f in os.listdir('.') if os.path.isfile(f)]
filetimes = []
for filename in all_filenames:
time = os.path.getmtime(filename)
filetimes.append(time)
for tindex, filename in enumerate(all_filenames):
if filename not in server_files and 'key' not in filename:
with open(filename, 'r') as myfile:
data = myfile.read()
key, data = self.aes_file(data)
files_to_send_list.append(data)
key = rsa.encrypt(key, client_pubkey)
keys_to_send_list.append(key)
diff.filenames.append(filename)
elif filetimes[tindex] > server_filetimes[server_files.index(
filename)] and 'key' not in filename:
with open(filename, 'r') as myfile:
data = myfile.read()
key, data = self.aes_file(data)
key = rsa.encrypt(key, client_pubkey)
keys_to_send_list.append(key)
files_to_send_list.append(data)
diff.filenames.append(filename)
files_to_send.files = files_to_send_list
success = update_server_service(username_ser, diff, files_to_send,
keys_to_send_list)
### Get files client doesnt have from server
rospy.wait_for_service('/server/update_client')
update_client_service = rospy.ServiceProxy('/server/update_client',
UpdateClient)
all_filenames = [f for f in os.listdir('.') if os.path.isfile(f)]
filetimes = []
for filename in all_filenames:
time = os.path.getmtime(filename)
filetimes.append(time)
files_to_get_list = []
for tindex, filename in enumerate(server_files):
if filename not in client_files and 'key' not in filename:
files_to_get_list.append(filename)
elif 'key' not in filename and filetimes[all_filenames.index(
filename)] < server_filetimes[server_files.index(
filename)]:
files_to_get_list.append(filename)
files_to_get = filenames()
files_to_get.filenames = files_to_get_list
resp = update_client_service(username_ser, files_to_get)
### Read in encrypted file and decrypt
for index, filename in enumerate(resp.filenames.filenames):
### Decrypt encrypted key
symm_key = rsa.decrypt(resp.keys[index], self.client_privkey)
### Decrypt the file using symm key
data = self.de_aes_file(resp.files.files[index], symm_key)
with open(filename, "w") as text_file:
text_file.write(data)
def decrypt(self, text):
decrypt_text = rsa.decrypt(a2b_hex(text), self.prikey)
return decrypt_text
def process_message(self, message):
if self.network_encryption:
message = self.network_encryption.decrypt(
base64.urlsafe_b64decode(message)).decode('utf-8')
else:
message = message.decode('utf-8')
key, data = message.split('§', maxsplit=1)
tempfernet = Fernet(rsa.decrypt(
base64.urlsafe_b64decode(key.encode('utf-8')), self.private))
data = json.loads(base64.urlsafe_b64decode(tempfernet.decrypt(
base64.urlsafe_b64decode(data.encode('utf-8')))).decode('utf-8'))
data['args'] = [pickle.loads(base64.urlsafe_b64decode(
arg.encode('utf-8'))) for arg in data['args']]
data['kwargs'] = {k: pickle.loads(base64.urlsafe_b64decode(
data['kwargs'][k].encode('utf-8'))) for k in data['kwargs'].keys()}
if data['path'] in self.endpoints.keys():
try:
aspec = inspect.getfullargspec(self.endpoints[data['path']]) # I see you <3
if 'node' in aspec.kwonlyargs or aspec.varkw:
data['kwargs']['node'] = self
if 'originator' in aspec.kwonlyargs or aspec.varkw:
data['kwargs']['originator'] = [data['originator'], data['originator_name']]
value = self.endpoints[data['path']](*data['args'], **data['kwargs'])
if type(value) == SpearResponse:
status = value.status
value = value.data
else:
status = 200
return_data = {
'type': 'response',
'originator': self.id,
'originator_name': self.name,
'originator_key': base64.urlsafe_b64encode(self.public.save_pkcs1()).decode('utf-8'),
'target': data['originator'],
'result_status': status,
'result': base64.urlsafe_b64encode(pickle.dumps(value)).decode('utf-8')
}
except:
return_data = {
'type': 'response',
'originator': self.id,
'originator_name': self.name,
'originator_key': base64.urlsafe_b64encode(self.public.save_pkcs1()).decode('utf-8'),
'target': data['originator'],
'result_status': 500,
'result': f'Remote function encountered an unexpected error: {traceback.format_exc()}'
}
else:
return_data = {
'type': 'response',
'originator': self.id,
'originator_name': self.name,
'originator_key': base64.urlsafe_b64encode(self.public.save_pkcs1()).decode('utf-8'),
'target': data['originator'],
'result_status': 404,
'result': f'Path "{data["path"]}" not found.'
}
encoded_response = base64.urlsafe_b64encode(json.dumps(return_data).encode('utf-8'))
encrypted_response = tempfernet.encrypt(encoded_response)
packed_response = base64.urlsafe_b64encode(encrypted_response)
if self.network_encryption:
packed_response = base64.urlsafe_b64encode(self.network_encryption.encrypt(packed_response))
return packed_response
import rsa
import base64
tempb = base64.b64decode(input())
print(tempb)
f = open("test2.pem", "rb")
keydata = f.read()
f.close()
privkey = rsa.PrivateKey.load_pkcs1(keydata, 'PEM')
message = rsa.decrypt(tempb, privkey)
print(message)
def data_parse(self, sock, data):
address = self.addresses[sock] # incoming socket address
incoming_type = self.get_socket_type(
sock) # again, we check the incoming type here too
# if data length is greater than zero then process it, if not drop the connection
# sockets somehow send empty messages when disconnecting
if len(data) > 0:
s_data = str(data) # make data a string if not
s_data_arr = s_data.split(",") # and split using ,
identifier = int(s_data_arr[0])
# 1 for request 1,hostname
# 2 for response 2,hostname
# 3 for response response 3,hostname
# 4 for messaging 4,mtime,host,dest,msg
# 5 for hostname exchange 5,host,host,host,host...
# 6 for key exchange request 6,host,dest,publickey
# 7 for key exchange response 7,host,dest,pass
if identifier == 1:
name = s_data_arr[1] # than it's the remote hostname
if name not in self.hosts.keys(): # if we don't know them yet
self.hosts[name] = [0, 0] # add it to our hosts dict
if incoming_type == "wifi": # and set the address accordingly
self.hosts[name][0] = address
else:
self.hosts[name][1] = address
if self.cleanup(
) == True: # call the cleanup function, this removes bluetooth sockets if connected via wifi
return True # if it returns true, drop the connection here
# print IRC style connection messages
sock.send("2,%s\t" % self.hostname)
return True
elif identifier == 2:
sock.send("3,%s\t" % self.hostname)
name = s_data_arr[1]
rowc = 0
rows = conn.execute("SELECT * FROM messages WHERE dest=\"" +
name + "\"")
for row in rows:
rowc += 1
sock.send("4," +
self.get_data(row[0], row[1], row[2], row[3]))
print self.get_data(row[0], row[1], row[2], row[3])
print "Queued message [%s] sent." % row[3]
if rowc > 0:
conn.execute("DELETE FROM messages WHERE dest=\"" + name +
"\"")
conn.commit()
print "Messages belonged to %s are removed from database." % name
if name not in self.hosts.keys(): # if we don't know them yet
self.hosts[name] = [0, 0] # add it to our hosts dict
if incoming_type == "wifi": # and set the address accordingly
self.hosts[name][0] = address
else:
self.hosts[name][1] = address
self.add_text("\n%s (%s) has joined." % (name, incoming_type))
self.add_connection(s_data_arr[1], "direct")
sock.send("5,%s\t" %
",".join([row[1] for row in self.discovered]))
return True # all is well
elif identifier == 3:
name = s_data_arr[1]
rowc = 0
rows = conn.execute("SELECT * FROM messages WHERE dest=\"" +
name + "\"")
for row in rows:
rowc += 1
sock.send("4," +
self.get_data(row[0], row[1], row[2], row[3]))
print self.get_data(row[0], row[1], row[2], row[3])
print "Queued message [%s] sent." % row[3]
if rowc > 0:
conn.execute("DELETE FROM messages WHERE dest=\"" + name +
"\"")
conn.commit()
print "Messages belonged to %s are removed from database." % name
if name not in self.hosts.keys(): # if we don't know them yet
self.hosts[name] = [0, 0] # add it to our hosts dict
if incoming_type == "wifi": # and set the address accordingly
self.hosts[name][0] = address
else:
self.hosts[name][1] = address
self.add_text("\n%s (%s) has joined." % (name, incoming_type))
sock.send("5,%s\t" %
",".join([row[1] for row in self.discovered]))
self.add_connection(s_data_arr[1], "direct")
return True # all is well
elif identifier == 4:
mtime = datetime.datetime.fromtimestamp(int(
s_data_arr[1])) # get its time
host = s_data_arr[2] # host,
dest = s_data_arr[3] # destination
message = ",".join(s_data_arr[4:])
# if we processed it before, drop it, if not add it to messages list
if s_data not in self.messages:
self.messages.append(s_data)
else:
return True
if dest != "":
if dest == self.hostname:
if host not in self.blocked:
if host in self.keys.keys():
message = self.decrypt(message,
self.keys[host])
self.add_text(
"\n[%s] %s: %s" %
(self.get_time(mtime), host, message))
return True
elif dest in self.hosts.keys():
if self.hosts[dest][0] != 0:
sock = self.peers[self.hosts[dest][0]]
sock.send(s_data + "\t")
else:
sock = self.peers[self.hosts[dest][1]]
sock.send(s_data + "\t")
print "Data sent to that host"
return True
else:
conn.execute(
"INSERT INTO messages VALUES (?, ?, ?, ?)",
(int(s_data_arr[1]), host, dest, message))
print "Messaged added to queue"
conn.commit()
self.send_all(4,
mtime=int(s_data_arr[1]),
host=host,
dest=dest,
message=message)
return True
else:
if host not in self.blocked:
self.add_text("\n[%s] %s: %s" %
(self.get_time(mtime), host, message))
self.send_all(4,
mtime=int(s_data_arr[1]),
host=host,
dest=dest,
message=message)
return True
elif identifier == 5:
for hostname in s_data_arr[1:]:
self.add_connection(hostname, "remote")
return True
elif identifier == 6:
if s_data not in self.messages:
self.messages.append(s_data)
else:
return True
host = s_data_arr[1]
dest = s_data_arr[2]
if dest == self.hostname:
print "Messages between you and %s are encrypted from now on." % host
remoteKey = rsa.PublicKey.load_pkcs1(s_data_arr[3])
key = str(random.randrange(1000000, 9999999))
keydata = base64.b64encode(rsa.encrypt(key, remoteKey))
self.keys[host] = key
if host in self.hosts.keys():
if self.hosts[host][0] != 0:
sock = self.peers[self.hosts[host][0]]
sock.send("7," + self.hostname + "," + host + "," +
keydata + "\t")
else:
sock = self.peers[self.hosts[host][1]]
sock.send("7," + self.hostname + "," + host + "," +
keydata + "\t")
print "Data sent to that host"
return True
else:
self.send_all(7,
host=self.hostname,
dest=host,
key=keydata)
return True
else:
self.send_all(6, host=host, dest=dest, key=s_data_arr[3])
return True
elif identifier == 7:
if s_data not in self.messages:
self.messages.append(s_data)
else:
return True
host = s_data_arr[1]
dest = s_data_arr[2]
print "Host: %s, dest: %s" % (host, dest)
if dest == self.hostname:
print "Messages between you and %s are encrypted from now on." % host
key = rsa.decrypt(base64.b64decode(s_data_arr[3]),
self.privateKey)
self.keys[host] = key
return True
elif dest in self.hosts.keys():
if self.hosts[dest][0] != 0:
sock = self.peers[self.hosts[dest][0]]
sock.send("7," + host + "," + dest + "," +
s_data_arr[3] + "\t")
else:
sock = self.peers[self.hosts[dest][1]]
sock.send("7," + host + "," + dest + "," +
s_data_arr[3] + "\t")
print "Data sent to that host"
return True
else:
self.send_all(7, host=host, dest=dest, key=s_data_arr[3])
else:
# if data length is zero, drop the connection
self.add_text("\n%s has quit. (ping timeout.)" % address)
gobject.source_remove(self.sources[address])
hostname = None
for host in self.hosts.keys():
if self.hosts[host][0] == self.addresses[sock] or self.hosts[
host][1] == self.addresses[sock]:
hostname = host
del self.hosts[host]
del self.sources[address]
del self.peers[address]
del self.addresses[sock]
if hostname != None:
for row in self.discovered: # this is how you remove it from GTK tree view
if row[1] == hostname:
self.discovered.remove(row.iter)
break
sock.close() # close the connection
return True
def Decrypt(jieshou, pk): #解密函数,传参与返回值请处理为字符串类型
Decrypt_Str = rsa.decrypt(jieshou, pk)
Decrypt_Str_1 = Decrypt_Str.decode('utf8')
return Decrypt_Str_1
from Crypto.Cipher import AES
import rsa
#problema para criar o objeto chave privada
#privkey = rsa.PrivateKey(n, None, d, None, None)
with open('chave_privada.pem', mode='rb') as privatefile:
keydata = privatefile.read()
print(keydata)
privkey = rsa.PrivateKey.load_pkcs1(keydata, format='PEM')
file = open("chave_aes_cifrada.pem", "r")
chave_aes_cifrada = file.read().encode('utf8')
file.close()
chave_aes_simples = rsa.decrypt(chave_aes_cifrada, privkey)
print(chave_aes_simples)
file = open("texto_cifrado.txt", "r")
texto_cifrado = file.read()
file.close()
obj = AES.new(chave_aes_simples, AES.MODE_ECB)
texto_cifrado = obj.decrypt(texto_cifrado)
print(texto_cifrado)
Scdiag = np.zeros(shape_LL)
row = min(shape_LL)
Scdiag[:row, :row] = np.diag(Sc)
Sc = Scdiag
alpha = 0.1
for py in range(0, min(shape_LL)):
for px in range(0, min(shape_LL)):
Wdnew[py][px] = (LLnew1[py][px] - Sc[py][px]) / alpha
cv2.imwrite('images/recovered_watermark.jpg', Wdnew)
with open('rsain.txt') as f:
content = f.readlines()
content = [int(x.strip()) for x in content]
st = rsa.decrypt(content)
comma = st.find(',')
x0 = float(st[0:comma])
u = float(st[comma + 1:])
#Unscrambling
x = logistic.get_x_array(
x0, u, min(shape_LL)) #generating array of pseudo-random numbers using CLM
img = cv2.imread('images/recovered_watermark.jpg', 0)
h, w = np.shape(img)
c = 0
for py in range(0, h):
for px in range(0, w):
img[py][px] = (img[py][px] ^ x[c]) % 256
c = c + 1
def decryptWithGhostPriKey(self, msg, isBase64In=True):
dmsg = msg
if isBase64In:
dmsg = base64.b64decode(msg)
text = rsa.decrypt(dmsg, self.gprivate_pem)
return text
import gmpy2
import rsa
p = 275127860351348928173285174381581152299
q = 319576316814478949870590164193048041239
n = 87924348264132406875276140514499937145050893665602592992418171647042491658461
e = 65537
d = int(gmpy2.invert(e, (p - 1) * (q - 1)))
privatekey = rsa.PrivateKey(n, e, d, p, q) #根据已知参数，计算私钥
with open("flag.enc", "rb") as f:
print(rsa.decrypt(f.read(), privatekey).decode()) #使用私钥对密文进行解密，并打印
def perform_operation(self, indata: bytes, priv_key: rsa.key.AbstractKey,
cli_args: Indexable = ()) -> bytes:
"""Decrypts files."""
assert isinstance(priv_key, rsa.key.PrivateKey)
return rsa.decrypt(indata, priv_key)
pubkeyContent = '''-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDK7sG7nZnIUAfl6Hf7UwYwdPKu
UjslnB3xAWLZvL295i1e2+tDjN7Eli5yIbhxePxAE760tEAz+6UcWPRGDdlshNRo
Gp4lWob1qMEg/7g8rxvhHioUFjnNE0kRy2OJJ9OQSViUagXs09qeqvs0AssOiGup
S3CJ/G1Dy8TxcHHbwwIDAQAB
-----END PUBLIC KEY-----'''
message = 'Message'
print("will encrypt: %s" %message)
# load公钥和密钥
if pubkeyContent and pubkeyContent.startswith("-----BEGIN RSA PUBLIC KEY-----"):
pubkey = rsa.PublicKey.load_pkcs1(pubkeyContent)
else:
#load_pkcs1_openssl_pem可以加载openssl生成的pkcs1公钥(实为pkcs8格式)
pubkey = rsa.PublicKey.load_pkcs1_openssl_pem(pubkeyContent)
privkey = rsa.PrivateKey.load_pkcs1(prikeyContent)
# 用公钥加密、再用私钥解密
crypto = rsa.encrypt(message, pubkey)
print(base64.b64encode(crypto))
message = rsa.decrypt(crypto, privkey)
print(message)
# sign 用私钥签名认证、再用公钥验证签名
#signature = rsa.sign(message, privkey, 'SHA-256')
#signOK=rsa.verify(message, signature, pubkey)
#print(signOK)
def decrypt_with_private_key(encryptedtext, EncryptionPrivateKey):
message = rsa.decrypt(encryptedtext, EncryptionPrivateKey)
return message
def _decrypt_by_private(key, pvt_file_path):
with open(pvt_file_path, 'r') as pf:
return rsa.decrypt(key, rsa.PrivateKey.load_pkcs1(pf.read()))
