1 00:00:00,900 --> 00:00:07,620 In the previous videos, we have seen how we can hide the text behind text and how we can hide executable 2 00:00:07,620 --> 00:00:09,720 file behind a text file. 3 00:00:09,900 --> 00:00:13,080 But now we will see how we can hide our data. 4 00:00:13,080 --> 00:00:16,020 That is a text file behind an image. 5 00:00:16,020 --> 00:00:22,350 So if someone open the image, he will only able to see the image and not the data behind it. 6 00:00:22,380 --> 00:00:25,680 Until and unless he will aware about it. 7 00:00:27,240 --> 00:00:30,430 So we are going to use two different tools for this. 8 00:00:30,450 --> 00:00:34,200 One is open, stable, and other one is quick signal. 9 00:00:35,550 --> 00:00:39,540 So you can easily get these two tools over the internet. 10 00:00:39,540 --> 00:00:44,280 But if you don't, then I will attach both of them under the resources of this lecture. 11 00:00:44,280 --> 00:00:45,690 You can download it from there. 12 00:00:46,890 --> 00:00:48,510 Now let's open the first tool. 13 00:00:49,290 --> 00:00:51,390 So this is the text file. 14 00:00:52,560 --> 00:00:55,020 So this is the card details. 15 00:00:55,020 --> 00:00:56,850 Card number and pin number. 16 00:00:57,750 --> 00:00:59,040 Hey, don't copy this. 17 00:01:00,210 --> 00:01:06,330 Now we are going to hide this data behind this image. 18 00:01:10,440 --> 00:01:13,620 Now let's install the application. 19 00:01:16,420 --> 00:01:17,320 I agree. 20 00:01:18,340 --> 00:01:21,040 Install close. 21 00:01:23,360 --> 00:01:24,650 Let's open this. 22 00:01:35,870 --> 00:01:36,540 Let's run. 23 00:01:36,560 --> 00:01:39,050 Once again, I agree. 24 00:01:39,080 --> 00:01:41,330 Install close. 25 00:01:49,530 --> 00:01:50,870 But an open stegall. 26 00:01:56,540 --> 00:01:57,890 I don't know why it opens. 27 00:01:57,920 --> 00:02:02,000 It didn't open at the first time, but now it's working. 28 00:02:02,870 --> 00:02:09,440 So attach your message file here and the message file. 29 00:02:11,490 --> 00:02:15,300 Is your secret data which you want to hide. 30 00:02:15,840 --> 00:02:19,230 So open stack on this one. 31 00:02:19,620 --> 00:02:20,250 Open. 32 00:02:21,180 --> 00:02:23,190 Now select the cover file. 33 00:02:24,000 --> 00:02:31,080 So this is the image behind which we want to hide our secret data right now. 34 00:02:31,380 --> 00:02:33,870 The third is the output stack of file. 35 00:02:35,700 --> 00:02:41,130 So leave it to default and let's type the password. 36 00:02:41,250 --> 00:02:43,710 Let's say one, two, three and confirm password. 37 00:02:43,710 --> 00:02:44,520 One, two, three. 38 00:02:45,060 --> 00:02:46,920 Select hide data. 39 00:02:47,770 --> 00:02:51,140 It says please provide the value for output step of file. 40 00:02:53,040 --> 00:02:55,980 So let's select the island file again. 41 00:02:58,110 --> 00:02:59,250 Select all files. 42 00:02:59,250 --> 00:03:02,100 It says it accept only dot PNG files. 43 00:03:02,340 --> 00:03:02,850 No worries. 44 00:03:02,850 --> 00:03:05,190 We will select the JPG file as well. 45 00:03:05,730 --> 00:03:08,040 And let's click on hide data. 46 00:03:10,020 --> 00:03:13,660 Now it's processing and let's for OC. 47 00:03:13,710 --> 00:03:17,970 So computer right now. 48 00:03:20,170 --> 00:03:28,990 If someone open this image, he will only be able to see the image and not the data behind it. 49 00:03:31,060 --> 00:03:36,880 So but now if you receive this image, then how will you extract the data behind it? 50 00:03:37,450 --> 00:03:39,160 So let's open the tool. 51 00:03:41,250 --> 00:03:52,290 Select the extract data file and then select your output file behind which we have hidden the data. 52 00:03:52,560 --> 00:03:55,740 And now it says output folder for message file. 53 00:03:55,740 --> 00:03:57,720 Okay, so select the folder. 54 00:03:58,020 --> 00:04:00,210 Let's say we will select open stegall. 55 00:04:02,010 --> 00:04:02,970 So open. 56 00:04:03,960 --> 00:04:10,200 Now you have to mention the exact password which we have used for hiding the data. 57 00:04:10,620 --> 00:04:13,560 Otherwise you will not able to extract the data. 58 00:04:13,560 --> 00:04:14,100 Right? 59 00:04:14,100 --> 00:04:17,850 So enter the password and click on extract data. 60 00:04:19,110 --> 00:04:21,150 It says file new text open already. 61 00:04:21,150 --> 00:04:21,840 Exit overwrite. 62 00:04:21,840 --> 00:04:22,650 Yes. 63 00:04:23,190 --> 00:04:30,390 See it says file already exist because I have selected the same folder for the extraction of data. 64 00:04:30,600 --> 00:04:41,100 But you can try the another folder so that it will extract this file and save it under the new location 65 00:04:41,100 --> 00:04:42,600 which you have selected. 66 00:04:42,690 --> 00:04:49,470 Okay, so this way you can hide a data behind image and extract the already hidden data. 67 00:04:50,070 --> 00:04:50,490 Right? 68 00:04:50,490 --> 00:04:54,930 So in the next video we will see how we can use quick stegall.