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Questions tagged [md5]

MD5 (Message-Digest algorithm 5) is a 128-bits unidirecional hash algorithm.

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How can I check that files match a list of MD5 checksums on Windows 10?

I downloaded a large number of files via this magnet link (Apache 2.0 license), then moved the files around between a few devices. I now want to check the integrity of the files. A file lists MD5 ...
Franck Dernoncourt's user avatar
0 votes
2 answers
6k views

How to generate MD5 hash with a salt in command line?

password: rose salt: jack123 MD5 hash value: bf57b6634a951e3ee7ff2bbfb6206ec0 The above-given output was generated on a website (http://md5.my-addr.com/md5_salted_hash-md5_salt_hash_generator_tool.php)...
Syskey Whiskey's user avatar
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3 answers
2k views

Windows Powershell: Get Items from directory -> md5 them -> sort list by filename -> out to file

Is there the way to complete mimic this unux command entirely by Windows Poweshell means, not with using the WSL: find ./<dir1>/ -type f -exec md5sum {} + | sort -k 2 > dir1_hashes.md I ...
Harley Frey's user avatar
1 vote
1 answer
2k views

How is the IV embedded in an encrypted file when you do not indicate it?

Suppose I encrypt with a key "1234" a file containing "abcd" with: openssl enc -iv BABA -aes128 -in file.txt -out file.enc -p I get: salt=1B929D9049534D22 key=...
diciotto's user avatar
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1 answer
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With a time sorted List, How to insert a checksum for each file?

Time stamp example: 20211018_14:54:54.0596445490_Mon Ubuntu 20.04.3 command below works, displaying Directories and Files and Hidden files with: Permissions, Time_Day, f or d, Path/fileName with ...
joseph's user avatar
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-1 votes
1 answer
181 views

Cant we use md5 like hash algorithms to store big data?

i've read a paper about how hash algorithms word in general and i saw one strange thing. MD5 input length is unlimited and the output length are always the same so isn't that mean you can turn any ...
Sarkar's user avatar
  • 105
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1 answer
2k views

MD5 Hex to Base64 String

When I generate an MD5 hash with a plain-text (password), I get: $echo -n "password" | openssl dgst -md5 -binary | openssl enc -base64 X03MO1qnZdYdgyfeuILPmQ== This works fine if I knew ...
Zeigeist's user avatar
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1 answer
1k views

Equivalent hashcat commands for a openssl-enc command?

This is to find the passphrase for a block cipher. A test generated cipher can be decrypted using $ openssl enc -d -aes-256-cbc -md md5 -a -in filename which prompts via th console for the password. ...
ndemarco's user avatar
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1 answer
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Solaris 10 3/11 download page shows md5 number of iso image but I don't understand the few extra digits written beside md5 number

I've downloaded an iso image of x86 solaris 10 from here but I can't understand the md5 sum given in the download page because beside the main md5 number, there are another number. Here is the digest. ...
Bishnu's user avatar
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Avoiding SSH error messagers when logging into an older machine

Consider two machines: A runs an older version of Linux (e.g. 10 years old) B runs a new(ish) version of Linux When I try to SSH from A to B, I succeed, but with a messages saying: MD5 not allowed ...
einpoklum's user avatar
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2 answers
2k views

Can MD5 Hash be reversible or crack?

I try this link (https://md5.gromweb.com/) to hash some keys (lets say key A) and reverse it back which MD5 not suppose to be reversible right? Somehow, this website can do it easily. So, I found it ...
MABY's user avatar
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1 vote
0 answers
73 views

Way to get an MD5 output in Windows like this?

I am looking for a way to do the following Mac/Linux command on Windows to get the same output. Does anyone know of a way to do this? cd ; find . -type f -print0 | xargs -0 md5 -r > ../my_checksums....
Cameron's user avatar
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2 votes
1 answer
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Is two different type of format of files having same data can have same checksum value?

I am not talking from the Point of View where exploitation happens. Assuming MD5 does not has any problem. If I have 2 same format of files having same content then both checksum will be same. But, ...
P Satish Patro's user avatar
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2 answers
894 views

Given an MD5 checksum and a random file. Is it feasible to add a suffix to match the checksum?

I often hear that MD5 is insecure. But I am not sure how it can be manipulated. I don't want to be the guy who just repeat "MD5 is insecure" without knowing some details. Say, I have an 128-bits MD5 ...
some user's user avatar
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17 votes
8 answers
84k views

How can I generate an MD5 sum for a folder on Windows?

There are several posts about generating MD5 sums for files and/or folders on various Windows platforms. However, none of these worked for me. I tried: Windows CertUtil: CertUtil -hashfile myFileName ...
Klangen's user avatar
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1 vote
2 answers
3k views

Powershell how to get a list of running processes and run them through the MD5 algorithm [closed]

Hi i need to be able to get a list of every process running on my windows 10 and run them through the MD5 algorithm. Is there a way to do this automatically in powershell? Any help is very much ...
rogermoore's user avatar
1 vote
1 answer
6k views

OpenVPN upgrade existing certificates from MD5

I noticed that when I connect from my phone using OpenVPN I get a message telling me that in April 2018 support for MD5 will be dropped. Can someone please indicate how to update my existing ...
chribonn's user avatar
  • 140
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1 answer
288 views

Verifying dd-wrt checksum (old docs out of date)

Trying to install dd-wrt firmware on TP Link Archer C9 v1 (AC1900) router. Want to verify the integrity of my download, but can't find any hashes or checksums. Docs on the wiki about how to verify ...
mjcrom's user avatar
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0 answers
706 views

Is there solution for Windows Server to use MD5 certificate NTP source validation/authentication?

Is there a built-in or third party solution for Windows Server to use MD5 certificate NTP source validation/authentication? If it is built-in, what version of Windows Server and what is the feature ...
HerbM's user avatar
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1 vote
1 answer
6k views

Why does my md5sum hash not match other md5s?

So for a school assignment we are working with hashes. However I've encountered a problem where my file.txt containing: test hashes test hashes without quotes doesn't match the hash from HashCalc (...
James's user avatar
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2 votes
1 answer
5k views

How reliable are SHA1 sum and MD5 sums on very large files?

I constantly transfer disk images and virtual machine images (usually 800GB to nearly 1 TB per file) to a cloud server via rclone using SSH, and I wonder how reliable are sha1sum and md5sum when it ...
Loo Soo Yong's user avatar
-1 votes
2 answers
5k views

Windows Checksum Utility [closed]

I would like to install WinMD5Free.exe to run checksums - anyone know if it is legitimate? Many other sites offer it (CNet etc. so it seems ok). I have to check numerous downloads and want to verify ...
user64524's user avatar
8 votes
6 answers
8k views

How to create md5 hash via Arch Linux commandline?

In Arch Linux, how can I create a single md5 hash for a password using the command line? Of course, I am aware that there are secure password hashing algorithms available, which md5 is not, but this ...
Paradox's user avatar
  • 321
1 vote
1 answer
1k views

Using md5sum and date to update files with cp

I use cp -up --backup=t to copy files from my computer to the cloud and reverse, but sometimes the date changes for a few minutes (or I guess even seconds, as I see the same file date stamp) as I ...
lecarrera's user avatar
0 votes
1 answer
3k views

Missing md5.h header as I install cmusfm scrobbler for cmus on OS X

I'm trying to install cmusfm to be able to scrobble tracks in cmus. I am on OS X 11 and when I run the ../configure --enable-libnotify command from the installation guide for cmusfm I get the ...
Mateusz Piotrowski's user avatar
-1 votes
2 answers
4k views

Check ISO for errors without MD5 and how to find MD5 for online file

I was downloading a Windows AIO ISO and the page where I downloaded it from i.e., http://getintopc.com/softwares/operating-systems/windows-7-8-1-10-aio-70in1-iso-free-download/ didn't provide the MD5. ...
user1928108's user avatar
0 votes
1 answer
682 views

Reproduce the /etc/shadow passwords

I am trying to manually reproduce a /etc/shadow password hash from the plaintext password and the salt. Let's take as an example the following shadow entry: user:$1$/M$5GK8.h6z8o0WQLEOWC.YI/:16764:0:...
imaibou's user avatar
0 votes
1 answer
94 views

Hashutils to recurse the whole drive

Following this post another super user question, I downloaded hashutils. Works great with with the -r flag to recurse a folder. However, I am unable to recurse a whole drive. Trying this command, the ...
Leon's user avatar
  • 103
0 votes
1 answer
1k views

md5sum messing up with filenames with spaces

I'm trying to generate a md5 for each file that has no user.comment extended attribute and then parse that md5 in the file's extended attribute. My script works fine but only for filenames that have ...
Weekender's user avatar
5 votes
3 answers
7k views

apt-cyg install return md5sum error

Since the last time I reinstall windows, and then cygwin, apt-cyg stops working. It keeps telling me "md5sum: standard input: no properly formatted MD5 checksum lines found". What could cause the ...
Chong's user avatar
  • 576
3 votes
3 answers
9k views

Recursive command-line md5 generator and verifier

I want to write a batch script that has the ability to generate and verify md5 hashes of an entire directory tree. Is there any program like this for windows? I can find many md5 programs, but they ...
Synaps3's user avatar
  • 141
0 votes
1 answer
49 views

Looking for new way to create password [closed]

I tend to use same 2-3 passwords for all sites and want to change that but want to make sure I standardize my new approach as well. Looking at password hashing and I know very little other than what ...
user avatar
1 vote
0 answers
435 views

How do I check integrity of a file from DreamSpark?

I have a very unstable connection and it cut off multiple times while downloading Windows 8.1 using Microsoft's SDM, so I'm kind of concerned to how I can check to see if the file is still intact once ...
RMal's user avatar
  • 33
0 votes
1 answer
104 views

What Is Actually MD5?

Every time i want to download some softwares , it always told about the MD5 below the description or below the download file for the example : https://anonymous-proxy-servers.net/en/jondo.html it has ...
Gerraour058's user avatar
0 votes
1 answer
751 views

SuiteCloud IDE on Eclipse (Both latest versions) - Hash md5 errors

I have just downloaded the latest version of Eclipse, and I'm trying to install SuiteCloud IDE on it. I have tried both versions, however both are giving me an error when installing. The error is ...
user avatar
0 votes
1 answer
114 views

Kernel-level pass-through method to change file hashes

I'm searching for any kernel-level mechanism that is pass-through and will change file hashes by either encrypting file contents or appending data. The most obvious solution is encryption, but I can't ...
Hamy's user avatar
  • 225
2 votes
2 answers
6k views

How to download an image with wget and save it with the md5 hash as name?

How can I make a download an image, md5 hash the image, and save that image with the md5 hash as name to a directory using wget? # An example of the image link... http://31.media.tumblr.com/...
TheGrayFox's user avatar
3 votes
3 answers
7k views

Does an MD5 match between a torrent file and an original file from a provider mean the torrent file is safe?

I wanted to download a certain distro of Linux. However it is only using bittorent for download. I'm not to keen on bittorent. If I do use it, however, if the MD5 I download matches the MD5 of the ...
johnny's user avatar
  • 2,003
-1 votes
2 answers
156 views

MD5 wasn't changed?

I have 3 rar files (all with the same md5), and I use this code to change Md5: @echo off setlocal enabledelayedexpansion set /A Counter=0 FOR %%1 in (*.rar) do ( set /A Counter= !Counter! +...
user3598649's user avatar
5 votes
1 answer
11k views

Checksums for Win7 installation files?

OK many thanks to the guys on Where can I download Windows 7 (legally from Microsoft)? who provided links to d/l the WIn7 .ISO images. Now where can we find a similar listing of the md5 hashes for ...
Chris Bedford's user avatar
4 votes
1 answer
3k views

Why does tar with -z option create archive with different hash everytime

Can you tell me why tar czf archive.tar dir creates archive with different hash everytime (I check with 'md5sum') Without compression parameter -z or with parameter -j instead all works fine. Thanks
user avatar
1 vote
1 answer
3k views

Rename files by md5 checksum [closed]

What program can I use to rename files with their calculated md5 checksums? GUI or CLI Programs for Linux or Windows or scripts for DOS or the Linux terminal.
Rublacava's user avatar
  • 243
-1 votes
1 answer
2k views

How to extract MD5 data from a CSV file

I have been sent a csv file that contains a list of emails that i'm told has MD5 encryption on it. I want to be able to extract the email addresses from the file. If i double-click it opens in Excel ...
Paul's user avatar
  • 803
4 votes
2 answers
4k views

Any examples of duplicate MD5 Hashes?

I was wondering, as it is theoretically possible to have duplicate MD5 hashes, are there any known examples of this, or is it all just theoretical?
Steve's user avatar
  • 179
-2 votes
2 answers
421 views

Is it possible to generate a file from a md5sum (or sha1 or such)?

Is it possible to recreate a file if you have the files md5sum? Or is it only possible through brute-force? Is it any differences between the different algorithms?
KingS's user avatar
  • 1
1 vote
1 answer
95 views

How does applications read my hashed passwords?

mpdas (last.fm scrobbler for mpd) forces one to write password hashed in md5. But if it's hashed, how does it login to last.fm? Isn't hash function one-way only?
eregus's user avatar
  • 433
35 votes
7 answers
46k views

How can I verify that a 1TB file transferred correctly?

I frequently transfer VM images from hypervisors to an archive server for long term storage. I transfer using netcat since it is faster than scp, rsync, ect.. hypervisor$ cat foo.box | nc <...
tbenz9's user avatar
  • 7,125
0 votes
0 answers
60 views

Deleting sentences in database file

I'm writing a MD5 based antivirus, and my friend send to me a document with thousands of samples and their MD5. All is fine, but I have to delete all sentences what contain "File does not exists:" ...
nullifier's user avatar
6 votes
2 answers
13k views

Can Robocopy ensure file integrity?

I am trying to copy a large file, around 10G size, over Internet using Robocopy, but I am a bit concerned about the file integrity. So can I just trust Robocopy to ensure file integrity or I need to ...
iceagle's user avatar
  • 161
1 vote
0 answers
40 views

Very strange harddisc behaviour

Running Windows 7 64bit. Harddisc is installed internally and connected via SATA: Videofile xyz.mp4 can be opened and played without any problems. If I remove the disc and put it in an external ...
user270288's user avatar