Added bulletproof reliability with minor fixes

This commit is contained in:
Evan Su 2021-02-25 11:35:54 -05:00 committed by GitHub
parent 5063ea3ac1
commit 061c096338
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23

View file

@ -10,8 +10,8 @@ try:
from Crypto.Cipher import ChaCha20_Poly1305
except:
from os import system
system("python3 -m pip install argon2-cffi")
system("python3 -m pip install pycryptodome")
system("python3 -m pip install argon2-cffi --user")
system("python3 -m pip install pycryptodome --user")
from tkinter import filedialog,messagebox
from threading import Thread
@ -38,14 +38,13 @@ corruptedNotice = "Error. The input file is corrupted."
modifiedNotice = "Error. The input file has been intentionally modified."
kCorruptedNotice = "The input file is corrupted, but the output has been kept."
kModifiedNotice = "The input file has been intentionally modified, but the output has been kept."
derivingNotice = "Deriving key... (takes a few seconds)"
derivingNotice = "Deriving key (takes a few seconds)..."
keepNotice = "Keep decrypted output even if it's corrupted or modified"
kept = False
eraseNotice = "Securely erase and delete original file"
working = False
overwriteNotice = "Output file already exists. Would you like to overwrite it?"
unknownErrorNotice = "Unknown error occured. Please try again or view the logs."
log = ""
unknownErrorNotice = "Unknown error occured. Please try again."
tk = tkinter.Tk()
tk.geometry("480x420")
@ -60,9 +59,9 @@ s = tkinter.ttk.Style()
s.configure("TCheckbutton",background="#f5f6f7")
def inputSelected():
global inputFile,working,log
global inputFile,working
dummy.focus()
log += "File selection dialog opened\n"
try:
suffix = ""
tmp = filedialog.askopenfilename(
@ -90,7 +89,6 @@ def inputSelected():
adLabelString.set("File metadata (read only):")
keepBtn["state"] = "normal"
eraseBtn["state"] = "disabled"
log += "File selected, will decrypt\n"
else:
eraseBtn["state"] = "normal"
keepBtn["state"] = "disabled"
@ -98,17 +96,18 @@ def inputSelected():
adArea.delete("1.0",tkinter.END)
suffix = " (will be encrypted)"
adLabelString.set(adString)
log += "File selected, will encrypt\n"
inputString.set(inputFile.split("/")[-1]+suffix)
passwordInput["state"] = "normal"
passwordInput.delete(0,"end")
startBtn["state"] = "normal"
statusString.set("Ready.")
progress["value"] = 0
except UnicodeDecodeError as e:
log += str(e)+"\n"
except UnicodeDecodeError:
passwordInput["state"] = "normal"
passwordInput.delete(0,"end")
statusString.set(corruptedNotice)
except Exception as e:
log += str(e)+"\n"
except:
pass
finally:
dummy.focus()
working = False
@ -155,9 +154,7 @@ passwordInput.grid(sticky="nesw")
passwordInput["state"] = "disabled"
def start():
global inputFile,outputFile,password,ad,kept,working,log
log += "Starting the encryption/decryption process\n"
global inputFile,outputFile,password,ad,kept,working
if ".pcf" not in inputFile:
mode = "encrypt"
@ -168,10 +165,8 @@ def start():
try:
getsize(outputFile)
force = messagebox.askyesno("Warning",overwriteNotice)
log += "Overwrite set to true\n"
dummy.focus()
if force!=1:
log += "Cancelled because overwrite set to false\n"
return
except:
pass
@ -181,12 +176,9 @@ def start():
password = passwordInput.get().encode("utf-8")
ad = adArea.get("1.0",tkinter.END).encode("utf-8")
wipe = erase.get()==1
if wipe and mode=="encrypt":
log += "Secure wipe enabled\n"
elif not wipe and mode=="encrypt":
log += "Secure wipe disabled\n"
selectFileInput["state"] = "disabled"
eraseBtn["state"] = "disabled"
passwordInput["state"] = "disabled"
adArea["state"] = "disabled"
startBtn["state"] = "disabled"
@ -226,8 +218,6 @@ def start():
progress.config(mode="indeterminate")
progress.start(15)
log += "Generating key through Argon2\n"
key = hash_secret_raw(
password,
salt,
@ -245,9 +235,7 @@ def start():
check = sha3_512(key).digest()
if mode=="decrypt":
log += "Checking if key is correct"
if not compare_digest(check,cs):
log += "\nIncorrect password\n"
statusString.set(passwordNotice)
fin.close()
fout.close()
@ -260,7 +248,6 @@ def start():
working = False
del key
return
log += " (yes)\n"
cipher = ChaCha20_Poly1305.new(key=key,nonce=nonce)
crc = sha3_512()
@ -274,7 +261,6 @@ def start():
wiper = open(inputFile,"r+b")
wiper.seek(0)
log += "Encryption/decryption starting\n"
while True:
piece = fin.read(chunkSize)
if wipe:
@ -293,13 +279,11 @@ def start():
else:
crcdg = crc.digest()
if not compare_digest(crccs,crcdg):
log += "Data is corrupted\n"
statusString.set(corruptedNotice)
progress["value"] = 100
fin.close()
fout.close()
if keep.get()!=1:
log += "Corrupted output has been kept\n"
remove(outputFile)
selectFileInput["state"] = "normal"
passwordInput["state"] = "normal"
@ -314,13 +298,11 @@ def start():
try:
cipher.verify(digest)
except:
log += "Data has been modified\n"
statusString.set(modifiedNotice)
progress["value"] = 100
fin.close()
fout.close()
if keep.get()!=1:
log += "Modified output has been kept\n"
remove(outputFile)
selectFileInput["state"] = "normal"
passwordInput["state"] = "normal"
@ -407,13 +389,12 @@ def start():
kept = False
working = False
del fin,fout,cipher,key
log += "Process completed\n"
def wrapper():
global working,log
global working
try:
start()
except Exception as e:
except:
selectFileInput["state"] = "normal"
passwordInput["state"] = "normal"
adArea["state"] = "normal"
@ -422,7 +403,6 @@ def wrapper():
statusString.set(unknownErrorNotice)
dummy.focus()
working = False
log += str(e)+"\n"
finally:
sys.exit(0)
@ -515,7 +495,7 @@ status = tkinter.ttk.Label(
status.place(x=17,y=356)
status.config(background="#f5f6f7")
hint = "(v1.4) Created by Evan Su. Click for details and source."
hint = "Created by Evan Su. Click for details and source."
creditsString = tkinter.StringVar(tk)
creditsString.set(hint)
credits = tkinter.ttk.Label(
@ -530,43 +510,14 @@ source = "https://github.com/HACKERALERT/Picocrypt"
credits.bind("<Button-1>",lambda e:webbrowser.open(source))
versionString = tkinter.StringVar(tk)
versionString.set("Logs")
versionString.set("v1.5")
version = tkinter.ttk.Label(
tk,
textvariable=versionString,
cursor="hand2"
textvariable=versionString
)
version["state"] = "disabled"
version.config(background="#f5f6f7")
version.place(x=430,y=386)
version.bind("<Button-1>",lambda e:showLog())
def showLogWrapper():
logger = tkinter.Tk()
logger.geometry("480x420")
logger.title("Logs")
logger.resizable(0,0)
loggerFrame = tkinter.Frame(
logger,
width=480,
height=420
)
loggerFrame.place(x=0,y=0)
loggerFrame.columnconfigure(0,weight=10)
loggerFrame.grid_propagate(False)
box = tkinter.scrolledtext.ScrolledText(
loggerFrame,
)
box.config(font=("Consolas",11))
box.grid(sticky="nesw")
box.insert("1.0",log)
box["state"] = "disabled"
logger.mainloop()
sys.exit(0)
def showLog():
t = Thread(target=showLogWrapper,daemon=True)
t.start()
version.place(x=436,y=386)
dummy = tkinter.ttk.Button(
tk