1 00:00:00,510 --> 00:00:03,080 Let's see another example of steganography. 2 00:00:03,090 --> 00:00:10,260 So this time we will hide data using whitespace, steganography and for this copy snow dos to see drive. 3 00:00:10,290 --> 00:00:17,550 Now I have attached no dos with this lecture so you can download it from resources and then copy this 4 00:00:17,550 --> 00:00:18,600 to c drive. 5 00:00:18,840 --> 00:00:22,830 Now let me increase the font size in command prompt. 6 00:00:24,850 --> 00:00:26,130 Uh, let's add 20. 7 00:00:26,170 --> 00:00:28,530 Okay, now. 8 00:00:30,760 --> 00:00:31,010 See. 9 00:00:31,120 --> 00:00:31,960 Backslash. 10 00:00:33,220 --> 00:00:34,990 Let's move to the snow folder. 11 00:00:36,250 --> 00:00:37,540 Check directories. 12 00:00:38,760 --> 00:00:39,000 Okay. 13 00:00:39,010 --> 00:00:43,570 So we have an important file here called snow dot xy. 14 00:00:45,100 --> 00:00:49,420 So we will going to use this file now. 15 00:00:51,760 --> 00:00:53,350 Let's follow these steps. 16 00:00:53,980 --> 00:00:57,220 So I notepad and create a file. 17 00:00:57,250 --> 00:01:00,270 So notepad create a file. 18 00:01:00,280 --> 00:01:02,080 Let's say hello world. 19 00:01:04,240 --> 00:01:05,020 ET cetera. 20 00:01:07,090 --> 00:01:19,800 Save this file in C drive and under a snow folder and with a name, let's say read me dot text. 21 00:01:22,360 --> 00:01:26,530 Now the next step is to run this command. 22 00:01:27,160 --> 00:01:31,900 So Sno hyphen C, hyphen M. 23 00:01:33,250 --> 00:01:37,540 Now enter your secret data here between double codes. 24 00:01:38,320 --> 00:01:47,180 So my Swiss bank account number is something like this. 25 00:01:47,200 --> 00:01:47,680 Okay. 26 00:01:53,310 --> 00:02:02,100 Now the data between double codes is the secret data you want to hide and give it a password. 27 00:02:02,310 --> 00:02:04,980 So password would be magic. 28 00:02:06,540 --> 00:02:13,410 So magic is the password used to retrieve this data, this hidden data. 29 00:02:13,860 --> 00:02:19,950 Now mention the file name that is read with the text and give you a new file name. 30 00:02:19,950 --> 00:02:23,040 So read me to the text. 31 00:02:24,690 --> 00:02:26,370 Now enter. 32 00:02:28,320 --> 00:02:30,450 So again, check the error. 33 00:02:31,170 --> 00:02:33,720 See, two files have been created. 34 00:02:33,840 --> 00:02:35,580 Read me and read me too. 35 00:02:37,200 --> 00:02:39,990 But this time you will see the size difference here. 36 00:02:41,280 --> 00:02:43,640 Now let's open one by one. 37 00:02:43,650 --> 00:02:45,570 Let's open both of the files. 38 00:02:46,050 --> 00:02:48,870 Go to C drive and go to snow. 39 00:02:51,130 --> 00:02:54,220 And now let's open the redmi see. 40 00:02:55,810 --> 00:02:57,940 Hello world and nothing else. 41 00:02:59,200 --> 00:03:01,930 Now open redmi to dot text. 42 00:03:02,650 --> 00:03:03,500 Hello world. 43 00:03:03,520 --> 00:03:04,750 And same thing. 44 00:03:05,350 --> 00:03:07,240 Now what's the difference? 45 00:03:07,240 --> 00:03:13,670 How would you know that there is some secret data hidden behind this file for that? 46 00:03:13,690 --> 00:03:23,020 Simply press control a to select all and see the whitespace is selected because the data you have hidden 47 00:03:23,110 --> 00:03:25,910 is here somewhere around this. 48 00:03:26,340 --> 00:03:28,330 Okay, let's close this. 49 00:03:29,680 --> 00:03:33,820 Now, suppose you want to extract this data. 50 00:03:34,900 --> 00:03:36,850 So let's see how to do this. 51 00:03:37,660 --> 00:03:41,410 To open the hidden data, we have to run command. 52 00:03:45,820 --> 00:03:52,090 Snow again, hyphen capital C, hyphen P, hyphen P for password. 53 00:03:52,390 --> 00:03:57,100 Give the password here and then the name of the file that is. 54 00:03:57,100 --> 00:04:03,070 Read me to text enter and see my Swiss bank account number. 55 00:04:03,070 --> 00:04:04,270 Is this. 56 00:04:04,270 --> 00:04:12,490 So this way you can hide data behind the whitespace and by using the last command this one, you can 57 00:04:12,490 --> 00:04:17,140 retrieve the data, retrieve the hidden data by using a password. 58 00:04:18,130 --> 00:04:26,680 If someone doesn't know the password, he is not able to retrieve this secret information right now. 59 00:04:26,680 --> 00:04:34,090 In the next video, we will see how we can use different tools to hide text behind the image or image 60 00:04:34,090 --> 00:04:35,140 behind the image.