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image1copy.py
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image1copy.py
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import cv2 as cv
import numpy as np
import png
import imageio
import time
from tqdm import tqdm
from tkinter.filedialog import askopenfilename
from tkinter.ttk import *
from tkinter import ttk
from tkinter import *
from tkinter import messagebox
import sys
start = time.time()
image_window = Tk()
image_window.geometry ( '355x200' )
image_window.title ('Image Cryptography')
efile = open('efile.pem', 'r')
e = int(efile.read())
efile.close()
dfile = open('dfile.pem', 'r')
d = int(dfile.read())
dfile.close()
nfile = open('nfile.pem', 'r')
n = int(nfile.read())
nfile.close()
def goback():
exit()
def powmod(b, e, m):
b2 = b
res = 1
while e:
if e & 1:
res = (res * b2) % m
b2 = (b2*b2) % m
e >>= 1
return res
def filenameerror():
messagebox.showinfo('Error Occured!', 'Please select a 8bit/16bit Image File')
def enfinish():
messagebox.showinfo('Done!', 'Encryption is finished and saved as EnImage.png')
def definish():
messagebox.showinfo('Done!', 'Decryption is finished and saved as DeImage.png')
def grey_encrypt():
try:
img = cv.imread(askopenfilename(filetypes = [( "PNG files", "*.png" ),( "JPEG files", "*.jpeg" ),( "JPG files", "*.jpg" ),("BMP files","*.BMP")]), 0)
#print(type(img))
img = img.astype(np.uint16)
a,b = img.shape
print('\n\nOriginal image: ')
print(img)
print((a,b))
tup = a,b
for i in tqdm(range(0, tup[0])):
for j in (range(0, tup[1])):
x = img[i][j]
x = powmod(x,e,n)
img[i][j] = x
print('\n\nEncrypted Image:\n\n')
print(img)
cv.imwrite('Enimage.png', img)
end = time.time()
eTime = end - start
print(eTime)
enfinish()
except TypeError:
filenameerror()
except AttributeError:
filenameerror()
def rgb_encrypt():
try:
img = cv.imread(askopenfilename(filetypes = [( "PNG files", "*.png" ),( "JPEG files", "*.jpeg" ),( "JPG files", "*.jpg" ),("BMP files","*.BMP")]))
#print(type(img))
img = img.astype(np.uint16)
a = img.shape
print('\n\nOriginal image: ')
print(img)
print(a)
img= img.tolist()
start = time.time() #TODO remove
for i in tqdm(range(len(img))):
for j in (range(len(img[i]))):
for k in (range(len(img[i][j]))):
x = img[i][j][k]
x = powmod(x,e,n)
img[i][j][k] = x
img = np.array(img).astype(np.uint16)
imageio.imwrite('Enimage.png', img, format='PNG-FI')
print('\n\nEncrypted Image:\n\n')
print(img)
end = time.time()
eTime = end - start
print(eTime)
enfinish()
except TypeError:
filenameerror()
except AttributeError:
filenameerror()
def grey_decrypt():
try:
img1 = imageio.imread(askopenfilenamefiletypes = [( "PNG files", "*.png" )]())
print('\n\nReading Encrypted Image again:\n\n')
print(img1)
#for g in tqdm(range(100)):
img1= img1.tolist()
print('Decrypting....')
for i1 in tqdm(range(len(img1))):
for j1 in (range(len(img1[i1]))):
x1 = img1[i1][j1]
x1 = powmod(x1,d,n)
img1[i1][j1] = x1
img1 = np.array(img1)#.reshape(184,275)
print('\n\nDecrypted Image:\n\n')
print(img1)
#cv.imshow('DeImage', img1)
cv.imwrite('Deimage.png', img1)
end = time.time()
eTime = end - start
print(eTime)
definish()
except TypeError:
filenameerror()
except AttributeError:
filenameerror()
def rgb_decrypt():
try:
img1 = imageio.imread(askopenfilename(filetypes = [( "PNG files", "*.png" )]), format='PNG-FI')
print('\n\nReading Encrypted Image again:\n\n')
print(img1)
img1= img1.tolist()
print('Decrypting....')
start = time.time() #TODO remove
for i1 in tqdm(range(len(img1))):
for j1 in (range(len(img1[i1]))):
for k1 in (range(len(img1[i1][j1]))):
x1 = img1[i1][j1][k1]
x1 = powmod(x1,d,n)
img1[i1][j1][k1] = x1
img1 = np.array(img1)
print('\n\nDecrypted Image:\n\n')
print(img1)
cv.imwrite('Deimage.png', img1)
end = time.time()
eTime = end - start
print(eTime)
definish()
except TypeError:
filenameerror()
except AttributeError:
filenameerror()
btn_rgb_decrypt = Button( image_window, text = "RGB Image Decryption", command = rgb_decrypt)
btn_rgb_decrypt.place( x=10, y=100 )
btn_grey_decrypt = Button( image_window, text = "Grey Image Decryption", command = grey_decrypt)
btn_grey_decrypt.place( x=180, y=100 )
#btn_decrypt.bind('<Return>', decrypt)
btn_grey_encrypt = Button( image_window, text = "Grey Image Decryption", command = grey_encrypt)
btn_grey_encrypt.place( x=180, y=50 )
btn_rgb_encrypt = Button( image_window, text = "RGB Image Encryption", command = rgb_encrypt)
btn_rgb_encrypt.place( x=10, y=50 )
#btn_encrypt.bind('<Return>', encrypt)
btn_exit = Button( image_window, text = "Go Back" , command = goback).place( x=140, y=150 )
image_window.mainloop()