def covertFile(infile, outfile, key):
# Convert the key text to an integer
try:
enc_key = int(key)
except ValueError:
print("Error: The key %s should be an integer value!" % (key))
try:
# Open the files
with open(infile) as f_in:
infile_content = f_in.readlines()
except IOError:
print("Unable to open %s" % (infile))
try:
with open(outfile, "w") as f_out:
for line in infile_content:
out_line = ENC.encryptText(line, enc_key)
f_out.writelines(out_line)
except IOError:
print("Unable to %s" % (outfile))
print("Conversion complete: %s" % (outfile))
print("Finish")
def covertfile(infile, outfile, key):
try:
enc_key = int(key) #key used in encrytion must be a integer
except:
print("Error: the key %s must be an integer" % (key))
else:
try:
with open(infile) as file_in:
#with open() gives better syntax and exceptions handling, it automatically clean up
infile_content = file_in.readlines()
except:
print("Unable to open %s" % (infile))
try:
with open(outfile, 'w') as file_out:
for line in infile_content:
out_line = ENC.encryptText(line, enc_key)
file_out.writelines(out_line)
except:
print("unable to open %s" % (outfile))
print("conversion complete : %s" % (outfile))
finally:
print("Finish")
def covertFile(infile, outfile, key):
#Convert the key text to an integer
try:
enc_key = int(key)
except ValueError:
print("Error: The key %s should be an integer value!" % (key))
else:
try:
#Open the files
with open(infile) as f_in:
infile_content = f_in.readlines()
except IOError:
print("Unable to open %s" % (infile))
try:
with open(outfile, 'w') as f_out:
for line in infile_content:
out_line = ENC.encryptText(line, enc_key)
f_out.writelines(out_line)
except IOError:
print("Unable to open %s" % (outfile))
print("Conversion complete: %s" % (outfile))
finally:
print("Finish")
def convertFile(infile, outfile, key):
#convert key yext to an integer
try:
enc_key = int(key)
except ValueError:
print("Error! The key %s should be an integer valiue!" %(key))
#code put on two lines
else:
try:
#open file
with open(infile) as f_in:
infile_content = f_in.readlines()
except IOError:
print("Unable to open %s "%(infile))
try:
with open(outfile,'w') as f_out:
for line in infile_content:
out_line=ENC.encryptText(line, enc_key)
f_out.writelines(out_line)
except IOError:
print("Unable to open %s" %(outfile))
print("Conversion complite: %s" %(outfile))
finally:
print("FINISH")
def decryptButton():
encryptvalue.set(ENC.encryptText(encryptvalue.get(), -keyvalue.get()))
#!/usr/bin/python3
#keypassing.py
import encryptdecrypt as ENC
KEY1 = 20
KEY2 = 50
print ("Please enter text to scramble:")
#Get user input
user_input = input()
#Send message out
encodedKEY1 = ENC.encryptText(user_input,KEY1)
print ("USER1: Send message encrypted with KEY1 (KEY1): " +
encodedKEY1)
#Receiver encrypts the message again
encodedKEY1KEY2 = ENC.encryptText(encodedKEY1,KEY2)
print ("USER2: Encrypt with KEY2 & returns it (KEY1+KEY2): " +
encodedKEY1KEY2)
#Remove the original encoding
encodedKEY2 = ENC.encryptText(encodedKEY1KEY2,-KEY1)
print ("USER1: Removes KEY1 & returns with just KEY2 (KEY2): " +
encodedKEY2)
#Receiver removes their encryption
message_result = ENC.encryptText(encodedKEY2,-KEY2)
print ("USER2: Removes KEY2 & Message received: " + message_result)
#End
#!/usr/bin/python3
#keypassing.py
import encryptdecrypt as ENC
KEY1 = 20
KEY2 = 50
print ("Please enter text to scramble:")
#Get user input
user_input = input()
#Send message out
encodeKEY1 = ENC.encryptText(user_input,KEY1)
print ("USER1: Send message encrypted with KEY1 (KEY1): " + encodeKEY1)
#Reciever encrypts the message again
encodeKEY1KEY2 = ENC.encryptText(encodeKEY1,KEY2)
print ("USER2: Encrypt with KEY2 & returns it (KEY1+KEY2): " + encodeKEY1KEY2)
#Remove the original encoding
encodeKEY2 = ENC.encryptText(encodeKEY1KEY2,-KEY1)
print ("USER1: Removes KEY1 & returns it with just KEY2 (KEY2): " + encodeKEY2)
#Reciever removes their encryption
message_result = ENC.encryptText(encodeKEY2, -KEY2)
print ("USER2: Removes KEY2 & Message received: " + message_result)
#END
def decryptButton(): encryptvalue.set(ENC.encryptText(encryptvalue.get(), -keyvalue.get()))
#!/usr/bin/python3
#keypassing.py
import encryptdecrypt as ENC
KEY1 = 20
KEY2 = 50
print("Please enter text to scramble: ")
# Get user input
user_input = input()
# Send message out
encodedKEY1 = ENC.encrypt.text(user_input, KEY1)
print("USER1: Send message encrypted with KEY1 (KEY1): " + encodedKEY1)
# Receiver encrypts the message again
encodedKEY1KEY2 = ENC.encryptText(encodedKEY1, KEY2)
print("USER2: encrypt with KEY2 & returns it (KEY1+KEY2): " + encodedKEY1KEY2)
# Remove the original encoding
encodedKEY2 = ENC.encryptText(encodedKEY1KEY2, -KEY1)
print("USER1: removes KEY1 & returns with just KEY2 (KEY2)" + encodedKEY2)
# Remove the encryption
message_result = ENC.encryptText(encodedKEY2, -KEY2)
print("USER2: removes the KEY2 & Message received: " + message_result)
#!/usr/bin/python3
#by three passing protocol,the receiver doesn't need to the key used by the sender.
#Basically, the sender encrypted the message and send to receiver.at this stage
#message has 2 layers of encryption. After receiving the message,
#receiver encrypted the message by his own key and send back to the sender. Sender decrypted
#the message and send to receiver again. NOw the message is only encrypted by receiver's key and
#receiver can simply decrypt it.
import encryptdecrypt as ENC
key1 = int(input(print("please enter the sender's key")))
key2 = int(input(print("please enter the receiver's key")))
user_input = input(print("please enter the text"))
encodekey1 = ENC.encryptText(user_input, key1)
print("message encoded by sender is :" + encodekey1)
encodekey1key2 = ENC.encryptText(encodekey1, key2)
print("message encoded by receiver is :" + encodekey1key2)
decodekey1 = ENC.encryptText(encodekey1key2, -key1)
print("message decoded by sender is :" + decodekey1)
decode = ENC.encryptText(decodekey1, -key2)
print("The message received is:" + decode)
#END