1 00:00:00,540 --> 00:00:02,920 Let's see another example of steganography. 2 00:00:03,150 --> 00:00:09,750 So at this time, we really hide data using Vitz steganography and for this coppice NoDoz to see you 3 00:00:09,760 --> 00:00:10,180 drive. 4 00:00:10,410 --> 00:00:15,570 Now, I have attached models with this lecture so you can download it from resources. 5 00:00:15,960 --> 00:00:17,550 OK, and then copy this. 6 00:00:17,760 --> 00:00:18,400 See you drive. 7 00:00:18,940 --> 00:00:22,740 Now, let me increase the font size in command from. 8 00:00:25,130 --> 00:00:28,310 There's a grindy OK now. 9 00:00:30,720 --> 00:00:37,370 See, backslash, let's move to the Boulder Jack Directress. 10 00:00:38,720 --> 00:00:42,870 OK, so we have one important five year goal, no doubt. 11 00:00:44,190 --> 00:00:49,230 OK, so we will want to use this right now. 12 00:00:51,810 --> 00:00:53,350 Let's follow these steps. 13 00:00:53,370 --> 00:01:00,240 OK, so I applaud big and create a fine, so not big creative fun. 14 00:01:00,330 --> 00:01:01,890 Let's say hello world. 15 00:01:04,170 --> 00:01:04,860 Etc. 16 00:01:07,120 --> 00:01:19,630 So this plane in Syria drive and I noticed no folder and with the name, let's say, readme dot text. 17 00:01:20,680 --> 00:01:26,440 OK, now the next step is to run this command. 18 00:01:26,560 --> 00:01:30,520 OK, so no hyphen S.. 19 00:01:30,910 --> 00:01:37,340 Hyphen M Now enter your secret data here between double quotes. 20 00:01:37,800 --> 00:01:47,170 OK, so my Swiss bank account number is something like this. 21 00:01:47,200 --> 00:01:47,500 OK. 22 00:01:53,360 --> 00:02:01,160 Now, the data between the well, of course, is the secret data you want to hide, OK, and give it 23 00:02:01,160 --> 00:02:04,750 a password, so password would be magic. 24 00:02:05,690 --> 00:02:11,120 OK, so magic is the password used to retrieve this data. 25 00:02:11,690 --> 00:02:19,820 OK, this hidden data now mentioned the filename that is the text and give you a new finding. 26 00:02:20,030 --> 00:02:22,910 So read me to your text. 27 00:02:23,930 --> 00:02:26,210 OK, now enter. 28 00:02:27,320 --> 00:02:30,300 OK, so again check here. 29 00:02:31,130 --> 00:02:39,470 See two files have been created readme and readme two but this time you will see the size difference 30 00:02:39,470 --> 00:02:39,780 here. 31 00:02:40,730 --> 00:02:43,380 OK, now let's open one by one. 32 00:02:43,790 --> 00:02:45,380 Let's open both of the files. 33 00:02:46,100 --> 00:02:48,650 Bertozzi Drive and Gordo's Nor. 34 00:02:51,110 --> 00:02:57,740 And now let's open the readme, see hello, what and nothing else. 35 00:02:57,980 --> 00:03:04,560 OK, now open readme to dot text hannaway and 17th. 36 00:03:05,480 --> 00:03:07,120 Now what's the difference? 37 00:03:07,340 --> 00:03:13,550 How would you know that there is some secret data hidden behind this file for that. 38 00:03:13,730 --> 00:03:22,790 Simply press control it to select on and see the white space is selected because the data you have hidden 39 00:03:23,180 --> 00:03:25,760 is here somewhere around this. 40 00:03:26,000 --> 00:03:30,130 OK, let's close this now. 41 00:03:31,220 --> 00:03:33,650 Suppose you want to extract this data. 42 00:03:33,810 --> 00:03:36,650 OK, so let's see how to do this. 43 00:03:37,700 --> 00:03:41,240 To open the hidden data, we have to run Gamon. 44 00:03:45,810 --> 00:03:54,990 Snow again, hyphen capital C, hyphen B, hyphen free for password, give the password here and then 45 00:03:54,990 --> 00:04:04,130 the name of the file that is readme to the text, enter and see my Swiss bank account number is this. 46 00:04:04,410 --> 00:04:08,250 So this way you can hide data behind the whitespace. 47 00:04:08,500 --> 00:04:16,110 OK, and by using the last command, this one you can retrieve the data, do the hidden data by using 48 00:04:16,110 --> 00:04:16,950 a password. 49 00:04:17,490 --> 00:04:25,920 OK, if someone doesn't know the password he's not able to read through this secret information right 50 00:04:26,430 --> 00:04:26,700 now. 51 00:04:26,700 --> 00:04:34,460 In the next video, we will see how we can use different tools to hide text behind image or image behind 52 00:04:34,480 --> 00:04:34,930 image. 53 00:04:35,220 --> 00:04:35,700 OK.