def cipher_decryption_rail():
# msg = input("Enter message: ")
rails = 3
msg = demo_var3.msg
# removing white space from message
msg = msg.replace(" ", "")
# creating an empty matrix
railMatrix = []
for i in range(rails):
railMatrix.append([])
for row in range(rails):
for column in range(len(msg)):
railMatrix[row].append('.')
# inner for
# for
# testing the matrix
# for row in railMatrix:
# for column in row:
# print(column, end="")
# print("\n")
# # inner for
# # for
# putting letters of message one by one in the matrix in zig-zag
row = 0
check = 0
for i in range(len(msg)):
if check == 0:
railMatrix[row][i] = msg[i]
row += 1
if row == rails:
check = 1
row -= 1
# inner if
elif check == 1:
row -= 1
railMatrix[row][i] = msg[i]
if row == 0:
check = 0
row = 1
# inner if
# if-else
# testing the matrix with message in zig-zag
# for row in railMatrix:
# for column in row:
# print(column, end="")
# print("\n")
# # inner for
# # for
# reordering the matrix
ordr = 0
for i in range(rails):
for j in range(len(msg)):
temp = railMatrix[i][j]
if re.search("\\.", temp):
# skipping '.'
continue
else:
railMatrix[i][j] = msg[ordr]
ordr += 1
# if-else
# inner for
# for
# testing matrix reorder
for i in railMatrix:
for column in i:
print(column, end="")
# inner for
print("\n")
# for
# putting reordered matrix into decrypted text string to get decrypted text
check = 0
row = 0
decryp_text = ""
for i in range(len(msg)):
if check == 0:
decryp_text += railMatrix[row][i]
row += 1
if row == rails:
check = 1
row -= 1
# inner if
elif check == 1:
row -= 1
decryp_text += railMatrix[row][i]
if row == 0:
check = 0
row = 1
# inner if
# if-else
# for
decryp_text = re.sub(r"\.", "", decryp_text)
# print("Decrypted Text: {}".format(decryp_text))
cipher_decryption_rail.unread = format(decryp_text)
# Checking y[1]: index
if x[1] == "one":
from one_d import demo_var1, cipher_decryption
demo_var1()
demo_var1.msg = cipher_decryption_rail.unread
# print(demo_var1.msg)
cipher_decryption()
print(
"Last3 Encrypted form of message pass through different file is:" +
cipher_decryption.unrea)
elif x[1] == "two":
from two_d import demo_var2, at_decryption
demo_var2()
demo_var2.msg = cipher_decryption_rail.unread
# print(demo_var2.msg)
at_decryption()
print(
"Last2 Encrypted form of message pass through different file is:" +
at_decryption.message)
elif x[1] == "four":
from four_d import demo_var4, cipher_decryption_rot47
demo_var4()
demo_var4.msg = cipher_decryption_rail.unread
# print(demo_var2.msg)
cipher_decryption_rot47()
print(
"Last3 Encrypted form of message pass through different file is:" +
cipher_decryption_rot47.unread)
elif x[1] == "five":
from five_d import demo_var5, cipher_decryption_rot18
demo_var5()
demo_var5.msg = cipher_decryption_rail.unread
# print(demo_var1.msg)
cipher_decryption_rot18()
print(
"Last3 Encrypted form of message pass through different file is:" +
cipher_decryption_rot18.unread)
elif x[1] == "six":
from six_d import cipher_decryption_xor, demo_var6
demo_var6()
demo_var6.msg = cipher_decryption_rail.unread
# print(demo_var2.msg)
cipher_decryption_xor()
print(
"Last5 Encrypted form of message pass through different file is:" +
cipher_decryption_xor.xorunread)
if x[0] == "one":
from one_d import cipher_decryption, demo_var1
demo_var1()
cipher_decryption()
exit()
elif x[0] == "two":
from two_d import at_decryption, demo_var2
demo_var2()
at_decryption()
exit()
elif x[0] == "three":
from three_d import cipher_decryption_rail, demo_var3
demo_var3()
cipher_decryption_rail()
exit()
elif x[0] == "four":
from four_d import cipher_decryption_rot47, demo_var4
demo_var4()
cipher_decryption_rot47()
exit()
elif x[0] == "five":
from five_d import cipher_decryption_rot18, demo_var5
demo_var5()
cipher_decryption_rot18()
exit()
elif x[0] == "six":
from six_d import cipher_decryption_xor, demo_var6
demo_var6()
cipher_decryption_xor()
exit()
def at_decryption():
alpa = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
# reversing alphabets of alpa variable
rev_alpa = alpa[::-1]
msg = demo_var2.msg
# msg = input("Enter msg: ").upper();
dencry_text = ""
for i in range(len(msg)):
if msg[i] == chr(32):
dencry_text += " "
else:
for j in range(len(rev_alpa)):
if msg[i] == rev_alpa[j]:
dencry_text += alpa[j]
break
# if
# inner for
# if-else
# for
# print("Decrypted Text: {}".format(dencry_text))
at_decryption.message = format(dencry_text)
# Checking y[1]: index
if x[1] == "one":
from one_d import demo_var1, cipher_decryption
demo_var1()
demo_var1.msg = at_decryption.message
# print(demo_var1.msg)
cipher_decryption()
print(
"Last2 Encrypted form of message pass through different file is:" +
cipher_decryption.unrea)
elif x[1] == "three":
from three_d import demo_var3, cipher_decryption_rail
demo_var3()
demo_var3.msg = at_decryption.message
# print(demo_var2.msg)
cipher_decryption_rail()
print(
"Last2 Encrypted form of message pass through different file is:" +
cipher_decryption_rail.unread)
elif x[1] == "four":
from four_d import demo_var4, cipher_decryption_rot47
demo_var4()
demo_var4.msg = at_decryption.message
# print(demo_var2.msg)
cipher_decryption_rot47()
print(
"Last2 Encrypted form of message pass through different file is:" +
cipher_decryption_rot47.unread)
elif x[1] == "five":
from five_d import demo_var5, cipher_decryption_rot18
demo_var5()
demo_var5.msg = at_decryption.message
# print(demo_var1.msg)
cipher_decryption_rot18()
print(
"Last2 Encrypted form of message pass through different file is:" +
cipher_decryption_rot18.unread)
elif x[1] == "six":
from six_d import cipher_decryption_xor, demo_var6
demo_var6()
demo_var6.msg = at_decryption.message
# print(demo_var2.msg)
cipher_decryption_xor()
print(
"Last5 Encrypted form of message pass through different file is:" +
cipher_decryption_xor.xorunread)
def cipher_decryption_xor():
#msg = input("Enter message: ")
key = "5"
msg = demo_var6.msg
hex_to_uni = ""
for i in range(0, len(msg), 2):
hex_to_uni += bytes.fromhex(msg[i:i+2]).decode('utf-8')
decryp_text = ""
key_itr = 0
for i in range(len(hex_to_uni)):
temp = ord(hex_to_uni[i]) ^ ord(key[key_itr])
# zfill will pad a single letter hex with 0, to make it two letter pair
decryp_text += chr(temp)
key_itr += 1
if key_itr >= len(key):
# once all of the key's letters are used, repeat the key
key_itr = 0
#print("Decrypted Text: {}".format(decryp_text))
cipher_decryption_xor.xorunread=format(decryp_text)
# Checking y[1]: index
if x[1] == "one":
from one_d import demo_var1, cipher_decryption
demo_var1()
demo_var1.msg = cipher_decryption_xor.xorunread
# print(demo_var1.msg)
cipher_decryption()
print("Last5 Encrypted form of message pass through different file is:" + cipher_decryption.unrea)
elif x[1] == "two":
from two_d import demo_var2, at_decryption
demo_var2()
demo_var2.msg = cipher_decryption_xor.xorunread
# print(demo_var2.msg)
at_decryption()
print("Last5 Encrypted form of message pass through different file is:" + at_decryption.message)
elif x[1] == "three":
from three_d import demo_var3, cipher_decryption_rail
demo_var3()
demo_var3.msg = cipher_decryption_xor.xorunread
# print(demo_var2.msg)
cipher_decryption_rail()
print("Last5 Encrypted form of message pass through different file is:" + cipher_decryption_rail.unread)
elif x[1] == "four":
from four_d import demo_var4, cipher_decryption_rot47
demo_var4()
demo_var4.msg = cipher_decryption_xor.xorunread
# print(demo_var2.msg)
cipher_decryption_rot47()
print("Last5 Encrypted form of message pass through different file is:" + cipher_decryption_rot47.unread)
elif x[1] == "five":
from five_d import demo_var5, cipher_decryption_rot18
demo_var5()
demo_var5.msg = cipher_decryption_xor.xorunread
# print(demo_var1.msg)
cipher_decryption_rot18()
print("Last4 Encrypted form of message pass through different file is:" + cipher_decryption_rot18.unread)
def cipher_decryption_rot47():
#msg = input("Enter msg: ")
key = 5
msg = demo_var4.msg
decryp_text = ""
for i in range(len(msg)):
temp = ord(msg[i]) - key
if ord(msg[i]) == 32:
decryp_text += " "
elif temp < 32:
temp += 94
decryp_text += chr(temp)
else:
decryp_text += chr(temp)
# if-else
# for
# print("Decrypted Text: {}".format(decryp_text))
cipher_decryption_rot47.unread = format(decryp_text)
# Checking y[1]: index
if x[1] == "two":
from two_d import demo_var2, at_decryption
demo_var2()
demo_var2.msg = cipher_decryption_rot47.unread
# print(demo_var2.msg)
at_decryption()
print(
"Last4 Encrypted form of message pass through different file is:" +
at_decryption.message)
elif x[1] == "three":
from three_d import demo_var3, cipher_decryption_rail
demo_var3()
demo_var3.msg = cipher_decryption_rot47.unread
# print(demo_var2.msg)
cipher_decryption_rail()
print(
"Last4 Encrypted form of message pass through different file is:" +
cipher_decryption_rail.unread)
elif x[1] == "one":
from one_d import demo_var1, cipher_decryption
demo_var1()
demo_var1.msg = cipher_decryption_rot47.unread
# print(demo_var1.msg)
cipher_decryption()
print(
"Last4 Encrypted form of message pass through different file is:" +
cipher_decryption.unrea)
elif x[1] == "five":
from five_d import demo_var5, cipher_decryption_rot18
demo_var5()
demo_var5.msg = cipher_decryption_rot47.unread
# print(demo_var1.msg)
cipher_decryption_rot18()
print(
"Last4 Encrypted form of message pass through different file is:" +
cipher_decryption_rot18.unread)
elif x[1] == "six":
from six_d import cipher_decryption_xor, demo_var6
demo_var6()
demo_var6.msg = cipher_decryption_rot47.unread
# print(demo_var2.msg)
cipher_decryption_xor()
print(
"Last5 Encrypted form of message pass through different file is:" +
cipher_decryption_xor.xorunread)