Image_Enc.py

from tkinter import * 
from tkinter import messagebox
import os
import pymysql

def back_command():
    app5.destroy()
    import Cryptext

def clear():
    Enter_file_entry.delete(0, END)
    Enter_text_entry.delete(0, END)


def popup1():
    response=messagebox.showinfo("Successful","Data Encrypted!")
    clear()

def popup2():
    response=messagebox.showinfo("Successful","Data Decrypted!")
    clear()

def Encrypt():
    Enterfilename_info = Enterfilename.get()
    password=Entertext.get()    
    save_path=os.getcwd()

    try:
            
        file = open(Enterfilename_info, "rb")
        try:
            con=pymysql.connect(host="localhost",user="root",password="",database="filenamenpass")
            cur=con.cursor()
            cur.execute("select * from filename where Filename=%s",Enter_file_entry.get())
            row=cur.fetchone()
            if row!=None:
                messagebox.showerror("Error","File already exists",parent=app5)
                clear()
            else:
                key = int(password)
                cur.execute("insert into filename (Filename,Password) values (%s,%s)",
                                (Enter_file_entry.get(),
                                Enter_text_entry.get()
                                ))
                data = file.read()
                file.close()
    
                data = bytearray(data)
                for index, value in enumerate(data):
                    data[index] = value ^ key
        
                os.remove(Enterfilename_info)
                file = open(Enterfilename_info, "wb")
                file.write(data)
                file.close()
                popup1()
            con.commit()
            con.close()

        except Exception as es:
            messagebox.showerror("Error",f"Error due to {str(es)}",parent=app5)
            clear()

    except Exception as e:
        messagebox.showerror("Error",f"Error due to {str(e)}",parent=app5)
        clear()


def Decrypt():
    
    Enterfilename_info = Enterfilename.get()
    password=Entertext.get()
    save_path=os.getcwd()
    
    try:
        
        try:
            con=pymysql.connect(host="localhost",user="root",password="",database="filenamenpass")
            cur=con.cursor()
            cur.execute("select * from filename where Filename=%s and Password=%s",(Enterfilename_info,password))
            row=cur.fetchone()
            if row==None:
                messagebox.showerror("Error","Invalid Filename and Password",parent=app5)
                clear()
            else:
                key = int(password)
                file = open(Enterfilename_info, "rb")
                data = file.read()
                file.close()
    
                data = bytearray(data)
                for index, value in enumerate(data):
                    data[index] = value ^ int(key)
        
                os.remove(Enterfilename_info)
                file = open( Enterfilename_info, "wb")
                file.write(data)
                file.close()
                cur.execute("delete from filename where Filename=%s and Password=%s",(Enterfilename_info,key))
                popup2()
            con.commit()
            con.close()

        except Exception as es:
            messagebox.showerror("Error",f"Error due to {str(es)}",parent=app5)
            clear()

    except Exception as e:
        messagebox.showerror("Error",f"Error due to {str(e)}",parent=app5)
        clear()


    
app5 = Tk()

app5.geometry("700x500")

app5.title("Image Encryption and Decryption")

filename=PhotoImage(file=os.getcwd()+"/EncryptionBackground1.png")
canvas1=Canvas(app5)
canvas1.pack(fill="both", expand=True)
canvas1.create_image(0, 0, image = filename, 
                     anchor = "nw")

Enterfilename_text = Label(text="Enter image filename with extension :",font=("times new roman",12,"bold"))
Entertext_text = Label(text="Enter Password :",font=("times new roman",12,"bold"))
 

Enterfilename_text.place(x=230,y=130)
Entertext_text.place(x=230,y=210)


Enterfilename = StringVar()
Entertext = StringVar()

Enter_file_entry = Entry(textvariable=Enterfilename,width=30,font=("times new roman",12))
Enter_text_entry = Entry(textvariable=Entertext,width=30,font=("times new roman",12))

Enter_file_entry.place(x=230,y=160,height=30)
Enter_text_entry.place(x=230,y=240,height=30)

button1 = Button(app5,text="Encrypt",cursor="hand2",font=("times new roman",12,"bold"),command=lambda:[Encrypt()],width="10",height="1",fg="white",bg="darkred")
button2 = Button(app5,text="Decrypt",cursor="hand2",font=("times new roman",12,"bold"),command=lambda:[Decrypt()],width="10",height="1",fg="white",bg="darkgreen")
button1.place(x=230,y=310)
button2.place(x=350,y=310)

button5 = Button(app5,text="←Back",cursor="hand2",font=("times new roman",10,"bold"),command=lambda:[back_command()],width="8",height="1",fg="black",bg="white")
button5.place(x=5,y=5)

mainloop()