Questions tagged [md5]

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

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1 answer
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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 magnet:?xt=urn:btih:5f96d43576e3d386c9ba65b883210a393b68210e&tr=https%3A%2F%2Facademictorrents.com%2Fannounce.php&tr=udp%3A%2F%2Ftracker.coppersurfer....
0 votes
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 ...
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 ...
17 votes
8 answers
81k 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 ...
-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. ...
0 votes
2 answers
5k 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)...
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=...
0 votes
1 answer
489 views

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 ...
7 votes
2 answers
22k views

md5sum on large files

Context: I have a large terabyte drive with various types of large media files, ISO image files, etc. I would like to verify its contents using md5sum on the first megabyte due to speed/performance. ...
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?
-1 votes
1 answer
175 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 ...
2 votes
5 answers
26k views

Can you use OpenSSL to generate an md5 or sha hash on a directory of files?

I'm interested in storing an indicator of file / directory integrity between two archived copies of directories. It's around 1TB of data stored recursively on hard drives. Is there a way using ...
1 vote
2 answers
2k views

Where can I find hashes for Mozilla applications?

What is a reliable source for cryptographic hash values for Mozilla applications? Update 1: the value from http://releases.mozilla.org/pub/mozilla.org/thunderbird/releases/latest/MD5SUMS, ...
0 votes
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 ...
0 votes
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. ...
0 votes
1 answer
173 views

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. ...
3 votes
4 answers
5k views

Looking for OS X utility to verify/validate copied files/directories - checksum / SFV / MD5

Looking for the best way to easily validate the integrity of files/folder in OS X when copied from one location to another. I've downloaded SuperSFV but it appears to be very slow. Also new to the ...
0 votes
0 answers
48 views

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 ...
0 votes
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 ...
6 votes
1 answer
1k views

md5sum via right click in ubuntu

Is there an extension or script to calculate a file's md5 hash using the right click of the mouse in Ubuntu ?
7 votes
2 answers
16k views

Is there a way I can compute MD5 or SHA hashes on Windows and Linux without the need for a specific application? [duplicate]

Possible Duplicate: Is there a built-in method for computing a sha1 or md5 hash in windows 7? If I am running Windows 7 or a distribution of Linux how can I compute MD5 or SHA hashes without ...
3 votes
4 answers
2k views

How do I check the checksum of a download and why should I?

My memory isn't great but I think five or six years ago, when I downloaded some package, there was never a checksum line under the download icon on the webpage. And no instructions to "check the ...
1 vote
0 answers
61 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....
2 votes
1 answer
2k views

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, ...
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 ...
5 votes
4 answers
695 views

How secure is it to use a password hash of a common English word as a WPA2 key?

I have a wireless router, and I want a difficult password that is still, in a way, easy to remember. I came up with this idea to take the MD5, SHA-1, SHA-256, or whatever hash of a common English ...
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 ...
26 votes
5 answers
91k views

How to install MD5 to Ubuntu?

How can I install MD5 in Ubuntu without using apt-get?
0 votes
2 answers
800 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 ...
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 ...
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 ...
35 votes
7 answers
45k 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 <...
16 votes
3 answers
6k views

Files with same content but with different md5sums when gzip'd?

I don't know why this is happening, but I upload some files to Amazon S3 then delete the sent files checking their md5sum both in Amazon and locally. But recently I found this issue about the same ...
9 votes
3 answers
14k views

Is there a tool that automatically downloads and compares md5sums? [closed]

What I want but can't find: $ download -url http://download.com/me.zip -md5 http://download.com/me.md5 [================================================================>] 100% md5check .... OK $ ...
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 ...
0 votes
1 answer
280 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 ...
5 votes
1 answer
3k views

Why do two identical zips on Linux have different md5 sum values?

I created these two zip files about 24 hours apart. $ ls -l /tmp/*.zip -rw-rw-r-- 1 scott scott 1401289 Mar 21 20:11 /tmp/inc1.zip -rw-rw-r-- 1 scott scott 1401289 Mar 22 19:29 /tmp/inc2.zip You can ...
0 votes
0 answers
677 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 ...
1 vote
1 answer
5k 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 (...
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 ...
-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 ...
11 votes
5 answers
11k views

Get md5sum without file name?

I need to get the md5 sum of a file on AIX, but the md5sum program prints the sum followed by the name of the file. How can I get the sum without the file name.
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 ...
6 votes
4 answers
4k views

How to verify a .md5sum file in snow leopard?

In snow leopard there is program that can do md4 checksums. How can I verifiy a .md5 file?
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 ...
0 votes
1 answer
606 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:...
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 ...
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 ...
78 votes
0 answers
41k views

Looking for MD5 utility that integrates to Windows [duplicate]

Is there any small utility that integrates with the Windows shell and computes md5 of files on demand? I'm too lazy to launch the command line.
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 ...