Spaces:
Running
Running
File size: 6,853 Bytes
e255167 94a5bbf e255167 d4cb47b e255167 d4cb47b e255167 d4cb47b e255167 cd41808 e255167 cd41808 e255167 ae87355 53a9a86 cd41808 ae87355 cd41808 94a5bbf e255167 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 |
import gradio as gr
from cryptography.fernet import Fernet
from cryptography.hazmat.primitives import hashes
from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
import os
import base64
import hashlib
from pathlib import Path
import qr
import stegan
import json
def trans_block(sender,recipient,amount):
transaction = [{
'sender': sender,
'recipient': recipient,
'amount': amount
}]
json_object = json.dumps(transaction, indent=4)
print (json_object)
return json_object
def create_key(passw):
key = passw.encode()
h = hashlib.new('sha256')
h.update(key)
key = h.hexdigest()
key = key.encode()
#salt = os.urandom(16)
salt = key
kdf = PBKDF2HMAC(
algorithm=hashes.SHA256(),
length=32,
salt=salt,
iterations=480000,
)
key = base64.urlsafe_b64encode(kdf.derive(key))
return key
def encrypt(passw,trans_s=None,trans_r=None,trans_a=None):
#key = Fernet.generate_key()
key = create_key(passw)
fernet = Fernet(key)
enc_mes=""
enc_file=None
if trans_s != None and trans_r != None and trans_a != None and trans_s != "" and trans_r != "" and trans_a != "":
trans = trans_block(trans_s,trans_r,trans_a)
bytes_j = trans.encode()
json_bytes = fernet.encrypt(bytes_j)
enc_mes = f'{json_bytes}+ccc+'
#enc_qr = qr.make_qr(txt=(enc_mes.strip('"')))
m = hashlib.sha256()
bytes_enc_mes = enc_mes.encode()
m.update(bytes_enc_mes)
out = m.hexdigest()
out = out.encode()
print(out)
qr_link = out
enc_qr = stegan.conv_im(qr_link=qr_link,data=enc_mes)
return enc_mes,enc_qr,enc_qr
def decrypt(passw,enc_in=None):
key = create_key(passw)
fernet = Fernet(key)
dec_im = None
mes_dec= None
enc_in=enc_in.strip('"')
print (f'enc_in :::: {enc_in}')
if "+aaa+" in enc_in:
mes1=enc_in.split("+aaa+",1)[0]
mes1=mes1.strip("b'").strip("'")
mes_bytes = bytes(mes1,'utf-8')
mes_dec = fernet.decrypt(mes_bytes).decode()
if "+bbb+" in enc_in:
mes12=enc_in.split("+aaa+",1)[1]
mes2=mes12.split("+bbb+",1)[0]
mes2=mes2.strip("b'").strip("'")
im_bytes = bytes(mes2,'utf-8')
print(f'im_bytes::{im_bytes}')
mes2 = fernet.decrypt(mes2).decode()
#base = bytes(decMessage, 'utf-8')
with open(f"finished_im.png", "wb") as fh:
#fh.write(base64.decodebytes(im_bytes))
fh.write(base64.decodebytes(bytes(mes2, 'utf-8')))
fh.close
dec_im = "finished_im.png"
if "+ccc+" in enc_in:
mes13=enc_in.split("+bbb+",1)[1]
mes3=mes13.split("+ccc+",1)[0]
mes3=mes3.strip("b'").strip("'")
json_bytes = bytes(mes3,'utf-8')
print(f'im_bytes::{json_bytes}')
dec_json = fernet.decrypt(json_bytes).decode()
if not "+bbb+" in enc_in:
if "+ccc+" in enc_in:
mes14=enc_in.split("+aaa+",1)[1]
mes4=mes14.split("+ccc+",1)[0]
mes4=mes4.strip("b'").strip("'")
json_bytes = bytes(mes4,'utf-8')
print(f'im_bytes::{json_bytes}')
dec_json = fernet.decrypt(json_bytes).decode()
if not "+aaa+" in enc_in:
if "+bbb+" in enc_in:
mes2 = enc_in.split("+bbb+",1)[0]
mes2=mes2.strip("b'").strip("'")
im_bytes = bytes(mes2,'utf-8')
print(f'im_bytes2::{im_bytes}')
mes2 = fernet.decrypt(mes2).decode()
#base = bytes(decMessage, 'utf-8')
with open(f"finished_im.png", "wb") as fh:
#fh.write(base64.decodebytes(im_bytes))
fh.write(base64.decodebytes(bytes(mes2, 'utf-8')))
fh.close
dec_im = "finished_im.png"
if "+ccc+" in enc_in:
mes13=enc_in.split("+bbb+",1)[1]
mes3=mes13.split("+ccc+",1)[0]
mes3=mes3.strip("b'").strip("'")
json_bytes = bytes(mes3,'utf-8')
print(f'im_bytes::{json_bytes}')
dec_json = fernet.decrypt(json_bytes).decode()
if not "+bbb+" in enc_in:
if "+ccc+" in enc_in:
mes4=enc_in.split("+ccc+",1)[0]
mes14=mes4.strip("b'").strip("'")
json_bytes = bytes(mes14,'utf-8')
print(f'im_bytes::{json_bytes}')
dec_json = fernet.decrypt(json_bytes).decode()
return(dec_im, mes_dec, dec_json)
def decode_doc(passw,doc=None):
key = create_key(passw)
fernet = Fernet(key)
doc_name = doc.name
doc_name = doc_name.split("/",4)[4]
#bytes_d = doc.encode()
#doc = Path(doc)
with open(doc.name, "rb") as file:
# read all file data
file_data = file.read()
dec_doc = fernet.decrypt(file_data)
og_name = doc.name
og_end = og_name.split(".",1)[1]
og_front=og_name.split(".",1)[0]
dec_file = doc.name.strip(".ocrpt")
#enc_file=f'{doc.name}.ocrpt'
with open(dec_file, "wb") as file:
file.write(dec_doc)
return dec_file
def decode_qr(im,passw):
with open(f'{im}', "rb") as image_file:
bytes_i = base64.b64encode(image_file.read())
decode_qr = stegan.decode(im)
dec_im,mes_dec,dec_json = decrypt(passw, enc_in=decode_qr)
return(dec_im,mes_dec,dec_json)
with gr.Blocks() as app:
with gr.Row():
gr.Column()
with gr.Column():
with gr.Tab("Encrypt"):
pass_in=gr.Textbox(label="Set Password")
with gr.Row():
with gr.Column():
send=gr.Textbox(label="Sender")
rec=gr.Textbox(label="Recipient")
am=gr.Textbox(label="Amount")
en_btn = gr.Button("Encrypt")
enc_out = gr.Textbox(label="Encrypted Bytes")
enc_qr_out = gr.Image(label = "Encrypted QR")
with gr.Tab("Decrypt"):
pass_out = gr.Textbox(label="Enter Password")
dec_qr_im = gr.Image(type="filepath")
d_json = gr.JSON(label="Decrypted JSON")
dec_qr_txt = gr.Textbox(label="Decrypted Message")
dec_qr_im_out =gr.Image(label="Decrytped Image")
dec_qr_btn = gr.Button("Decrypt")
gr.Column()
dec_qr_btn.click(decode_qr,[dec_qr_im,pass_out],[dec_qr_im_out,dec_qr_txt,d_json])
en_btn.click(encrypt,[pass_in,send,rec,am],[enc_out,enc_qr_out,dec_qr_im])
app.launch() |