Questions tagged [hexadecimal]

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Given a public key in hexadecimal, how can I get an .asc file?

Given a public key in hexadecimal or base 64, how can I generate an .asc file for use with PGP programs? For example, let's say I have someone's RSA public key, in hexadecimal: 04 40 ad 77 10 45 08 f2 ...
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fdisk - Hex codes list - which ones are NTFS or FAT 32 among the below list?

Is it possible to assist me finding fat32 or ntfs codes among the below list? Command (m for help): t Selected partition 1 Hex code (type L to list all codes): L 1 EFI System ...
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How can i automate conditional editing of specific bytes in Hex code

I have tons of Hex database files and i want to edit 16 specific byte addresses in them. addresses are at; 909, C39, F69, 1299, 15C9, 18F9, 1C29, 1F59, 2289, 25B9, 28E9, 2C19, 2F49, 3279, 35A9, 38D9 ...
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password recovered in weird format

i have been trying for years to recover my old data from very old DS cards " MMC " recently i found out it is possible to get to mmcstore file that stores the password in plaints text all ...
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1 vote
1 answer
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How do I extract images from an unknown file? (might be an .SO)

I have a file taken from an apk of an old videogame made for an old android phone. It has no file extension and is simply titled "images". MediaFire reads it as an .SO file, but I don't know ...
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1 answer
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Is there a way in Windows 10 to convert a hex code to its symbol regardless of the program?

I've read many pages that point out that many office applications allow for this by typing the code followed by ALT + X, but frequently, I want to insert a symbol when I'm not in one of those ...
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How to split a long lines hex string?

I've a long hex string like this 100000006465780A3033350025979BA5B30D4516F6. Is there an easy way I can split these with a space per hex coded byte so I get 10000000 64 65 78 A3 03 33 35 00 25 97 9B ...
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3 answers
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How can I make a float left and right text in one line using ASCII?

I'm trying to put a text in one line in an aligned left and right on both ends. Please see example image of what I meant: Does anyone know the ascii code to do this? All I know is this is the ascii ...
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1 vote
0 answers
531 views

How to freely/plain text edit the hex values in notepad++

In notepad++ there's a plugin called Hex Editor That plugin helps you to edit and read hex files .bin files in notepad++ without third-party software my question is : How can i edit the values without ...
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View/Search disk data in binary under Windows

I would like to search for a specific deleted file on my disk. All I know is that the file begins with 24 very specific bytes, '5hu2H7' in HEX. Is there any program that would let me search the whole ...
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How to reverse my module to go from a Decimal to Hexadecimal in Excel?

This question is based of the module from here: How can I convert a hex number to a decimal number in Excel? The Module I am using (from above link) is as such: Option Explicit Public Function ...
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Corrupted excel files are zero-byted

We have an issue at work with specific Excel files which seem to have been tampered with. Well, those Excel files are stored in a folder which is accessible on the work network. We are not sure about ...
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-1 votes
2 answers
75 views

Can we pass through 255?

I have a thought of making a color that bypasses the numerical color value of 255. Now, if you didn't know, computer colors are created via hex codes, which its max is FF, the hex code of 255. How ...
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1 answer
300 views

How to select/copy only text characters from HXD?

Suppose you want only the text characters from a file with a bunch of other stuff in there too. Is there anyway to select only the ASCII characters? The text view in HXD shows everything else too.
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Unicode ALT codes not working for escape character

I want to be able to type the unicode character (Escape character) using the windows ALT+001B method. I have created the registry key EnableHexNumpad in Computer\HKEY_CURRENT_USER\Control Panel\Input ...
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3 answers
3k views

How to do hex calculations across multiple cells in excel?

I'm working on a spread sheet and I have a table or grid of [256]x[256] that looks like this: B c D E F G IY 3 Address: [byte][byte][byte][byte] ... ...
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2 answers
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MS Regedit Hex to Date Conversion

I'm trying to analyze my redundant network profiles on Win 10 via registry path: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkList\Profiles However, I'm unable to interpret ...
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Search recursively and delete files that start with hex 00 00 FF FF in Windows or Linux

Objective: Search a folder and all subfolders for files (example: *.dat) that starts with hex sequence 00 00 FF FF on the very first 4 bytes and delete all matching files without prompting for ...
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2 answers
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Where do I find hexadecimal value for MS-word Accent blue colour?

The title says it all, googled but to no avail. where do I find the hexadecimal value of the following colour: Blue Accent 1 (see image) Does anyone know a source for word document colours, can the ...
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1 answer
844 views

The working of the mount command and the FAT12 filesystem

I was experimenting around with filesystems in linux. I want to understand a few issues. Here are the commands that I have used: truncate disk.img -s 1M mkfs.vfat -F12 -S512 -s1 disk.img #I have ...
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Hexadecimal in ASCII

am working with a very minimal version of linux borph, I use this OS to interact with a FPGA. I could read some registers inside the FPGA using a process who ask for the data via telnet and gives me ...
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1 vote
1 answer
666 views

Write byte sequence to file via command line?

What's the quickest way to write a sequence of bytes from the commandline into a file? For example consider an input string in the following format: DE AD BE EF How can I write this to a file, so ...
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1 answer
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Reverse engineering unknown hex/binary representation to decimal

I am decoding a device that pumps out location data via network packets. Lets say we have want to decode altitude. The altitude packet is 4 bytes. So the info in hex is. 0x05 0x79 = 5.945313(meters) ...
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1 answer
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MikroTik RB750Gr3 - Slow WAN Speeds after Upgrade

I am experiencing some issues with my MikroTik HEX RB750Gr3. I have never experiencing any issues with using the device until I updated my firmware for the first time. I was completing frequent OS ...
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2 votes
0 answers
430 views

Tesseract: OCR hex and binary strings from old documents

I have some questions about Tesseract Context I am currently working on an old cryptographic algorithm from East Germany (GDR) which was developed in the 80s. I implemented the algorithm in C#. Now ...
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1 vote
1 answer
910 views

Finding Hex Keycodes

I am trying to create a program that remaps keys for Windows but I am struggling to find the hex values. I know that caps lock is 3A but when I look up an ascii table it says 3A is colon. Why is this ...
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2 answers
1k views

Hexadecimal Variable

Okay so i tried to make a loop which increases an variable from 0 to FF (0x00 to 0xFF would also work): ... declare -i register=0 while [ 255 -ge $register ] do sudo mono ec-probe.exe read 0x+$...
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-1 votes
2 answers
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Excel - How to convert 4 Hex numbers (16 bits) to 2 Hex number (8 bits)?

How do I convert from a hex value (FACE) to (CE) in Excel? I tried Dec2Hex (64206,4) -- I got FACE which is ok. I tried Dec2Hex (64206,3) -- I got #NUM! which is incorrect.
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5 votes
1 answer
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View serial device output in console in hex

I'm able to convert my serial device output to hex format doing these two commands: cat /dev/ttyUSB0 > data.dump #send some data to serial device, and interrupt cat using Ctrl+C after some time ...
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2 answers
4k views

Changing Duration of Mp4 - Hex Editor

Is there a way to make my mp4 file seem to have a longer or shorter duration than it actually has? I tried playing around with an Hex Editor, but being a noob i couldn't make it work.
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1 answer
2k views

14 digit Hex to decimal in Excel

I have 14 digit Hexadecimal numbers in Excel which I want to convert to a decimal number. For example in C2 the number is 0438E96A095180 and that has to be 1188475064373632 in decimal. I have tried ...
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3 votes
2 answers
3k views

How do convert unsigned hex to decimal in Windows 10 Calculator?

I'm using the Windows 10 Calculator in Programmer mode to convert hex to decimal. The issue is the calculator defaults to signed. Set to: DWORD HEX: A08A 5A52 Result: DEC: ‭-1601545646‬ How do I ...
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Removing spaces, comma, decimals and euro symbol in a cell

I've googled around and tried a lot of things but they seem to have no effect. I have column that has values in this format: 897,00 € I need to format it so that it does NOT have spaces or the euro ...
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1 vote
0 answers
3k views

How to replace Hex Characters in Notepad++

var x = { 'leaderboardNick': { 'Player': '\x72\x67\x62\x61\x28\x32\x32\x32\x2c\x20\x32\x33\x2c\x20\x38\x38\x2c\x20\x31\x29', '\u3010\u20B1\u20AC\u3011': #FFF, }, 'emoticons'...
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0 votes
1 answer
8k views

Convert hexdump to tar file

I have a hex dump as 1f8b 0800 3416 1259 0003 edcf 310e c230 0c85 61cf 9c22 1708 b2d3 909e a7a2 5d90 1028 7581 e353 d401 2660 a910 d2ff 2d6f f01b 9ec7 615f 07df facd 6535 3a2b 253f d2da 9dbe e622 ...
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2 votes
1 answer
9k views

Convert Hex string value to Hex number

Say A1 contains the string "f26e". It's a hex value that I want to use in the Unichar function, but since it's a string, I would need to convert it as a number (UNICHAR(A1) returns an error in value). ...
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0x for 8 bit, what is used for 7 bit? [closed]

I am writing some technical documentation and describing a format for I2c 7 bit addressing mode. This is also related to ASCII 7 bit encoding, but that is a side note. I2c uses 7 bits (or 10 bits not ...
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-1 votes
1 answer
107 views

What are the particular limitations of Hexadecimal storage on a hard drive? [duplicate]

I'll preface by saying I am not a computer specialist. My question is posted as a point of curiosity. Scouring the web for answers, I have seen posted that hexadecimal could be used to store ...
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1 vote
1 answer
952 views

How to view sections & addresses of .bin and .hex files in Linux?

I have started reversing a binary. I dumped the contents as hex using xxd into a file I made with extension .hex, then used objdump to disassemble that .hex file into assembly code, and put this into ...
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4 votes
3 answers
8k views

Hexadecimal format and storage on a computer hard drive: Does it store in half the bytes?

Allow me to preface that I am not a computer specialist. More than anything, I am curious as to the information. In a conversation with a computer science specialist, I was told that a string of ...
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1 vote
0 answers
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I am testing a serial port device and want to know how can I understand the data?

I have attached a device to my MacBook over USB-Serial device and I am trying to get the data in the SerialTools app (https://itunes.apple.com/in/app/serialtools/id611021963?mt=12). My device is ...
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1 answer
896 views

How can I convert this RIFF WAVE .bin file?

I'm trying to extract some audio from a program, and I've got as far as getting a .bin file. When I open this file with a hex editor, the first line is RIFF ÷! WAVEfmt 4. I've done some research, and ...
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1 vote
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1k views

Control Amplifier from Computer via RS232

I got a second hand Rotel RSX-1056 amplifier that I would like to control from my computer (because I don't have the remote). The amplifier has a serial port (RS232) and on the web I was able to find ...
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2 answers
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What's up with different hexadecimal encoding schemes?

So I've been working with cryptography for about a year now, learning as much as I can about all I can. A lot of things that I've come across (like the hexadecimally [not a word, but shh] encoded ...
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84 votes
12 answers
17k views

Why are hex editors called binary editors?

Hex and binary are two different bases. Hex, in my understanding, is simply an easier to use and more convenient version of binary. However, I often hear that hex editors are binary editors. If ...
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Are there different standards to calculate the hex WEP key from an ASCII passphrase?

Are there different standards/methods to calculate a WEP key from a passphrase? Or why is it, that the 128 bit key generated on http://www.andrewscompanies.com/tools/wep.asp differ from the 128 bit ...
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What is the fr signature in zip files?

I use the 101 editor for easily editing zip file's properties. I noticed there being one of the "properties" in a structure called ZIPFILERECORD. The structure has the value of the name of contents of ...
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What file format starts with 0xFEEDBABE?

On my router, /mnt/jffs2/rg_conf1 and rg_conf2 begin with the following bytes: FE ED BA BE 00 00 ## ## 00 ## ## ## 00 ## ## ## 00 00 00 00 72 67 5F 63 6F 6E 66 where ## is a non-ascii non-zero byte, ...
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964 views

Unique Linux system identifier

I’m encouraging my students to install a Linux distro in their computers. To be sure they have completed the task, I ask them to execute this command to generate a unique identifier: echo $(sudo ...
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3 votes
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Sublime text opens an xml file in HEX view

I have an xml file(rename to .xml) and I need to open this in Sublime text. But if I try to open and view it, it displays the data in Hexadecimal values. But I want this to be displayed in xml format. ...
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