Questions tagged [hashsum]
Questions related to hashes, hash values or hash codes that are returned by hash functions such as SHA-1.
208
questions
0
votes
0answers
5 views
Hash Sum mismatch Installing docker-ce on Virtualbox Umbuntu Server 18.04
I am following the directions to install Docker-CE. Instructions located at: Get Docker Engine
I follow all steps on the guide and get Hash Sum Mismatch when executing the command sudo apt-get ...
0
votes
0answers
23 views
Kali Linux: apt update returns “Hash Sum mismatch” error
I'm experiencing exactly the same issue as described in this question: Kali Linux: apt-get update returns “Hash Sum mismatch” error. Before you mark this as a duplicate however, I have tried the ...
1
vote
0answers
10 views
Argon2 Commands in the Terminal
I have been using Argon2 in my terminal (Debian), but I keep messing up, and I have been unable to find the manual or any other documentation that lists examples of commands that work.
Could someone ...
1
vote
1answer
31 views
Update hash file when rechecking files
I'm currently saving each folder on a hash file with the following code
find folder/ -type f -exec sha256sum {} > checksumfolder.txt \;
I'm wondering if it is possible instead of checking/...
0
votes
1answer
27 views
Unable to pass argument to argon2 command
According to the manual of argon2 (Debian package), it says to pass the password from standard input. However, when I follow the instructions and attempt
echo -n "password" | argon2 salt "...
2
votes
1answer
69 views
What encryption mechanism is used to store passwords in `/etc/shadow` in a typical Unix, such as Gnu/Linux?
(From a novice's point of view)
The other day I was thinking about how a typical "passwd" command works in a LINUX OS. For example, when we type in "passwd", a prompt appears letting us type in our ...
0
votes
1answer
112 views
List all keys with SHA-1 in the gpg keyring
After reading a paper about "First Chosen-Prefix Collision on SHA-1 and Application to the PGP Web of Trust", I wonder how many SHA-1 keys are left in specific key rings.
How to list all keys in a ...
5
votes
1answer
755 views
How to know if password in /etc/shadow is hashed with SHA or MD?
I want to know my /etc/shadow password hash if its SHA or MD or something else. From what I read, it is related to the $ sign, but I don't have any dollar signs.
Im using Ubuntu 16
Example:
user:0....
8
votes
2answers
745 views
How do I use GNU parallel to calculate sha256 hash?
Based on this:
Simultaneously calculate multiple digests (md5, sha256)?
I have a folder that has a large number of files that I want to compute the SHA256 hash for.
I used to code segment:
#!/bin/...
3
votes
1answer
255 views
Automatically verify passwords for classroom exercise? [duplicate]
I'm trying to write a bash script which, among several other things, will "log in" as a user (preferably with su if possible) without needing to interact with the password prompt, i.e., will ...
-2
votes
1answer
28 views
How am I able to use the command “sha256sum x.img” “without” a network connection, and get a hash-response?
I am under the impression that sha256sum pings the distro side of things and reads "THEIR" hash file for my .img and gives me that info in a hash-printout in my term.
If so, how I am able to get that ...
1
vote
1answer
92 views
PBKDF2 not the same
I am trying to calculate a PBKDF2 hash, but am getting inconsistent results.
Message: Hello
Salt: 60C100D05C610E8B94A854DFC0789885
Iterations: 1
Key length: 16
Expected hash: ...
0
votes
1answer
42 views
calculate the total md5 of specific match files
in folder , we have the following HADOOP binary files and their size (BYTES)
du -sb * | grep HADOOP[a-z]
334542327 HADOOPaa
334542327 HADOOPab
334542327 HADOOPac
334542327 ...
3
votes
2answers
178 views
Failing to untar
I am dealing with transferring large files from one machine to another (600GB+) and I'm tarring them up using
tar -cpvzf file.tar.gz -C PATH_TO_DIR DIR
Once finished with the tarring process, the ...
0
votes
0answers
7 views
optware rhash install
Attempts to install Optware:
myHostname:/tmp/home/root# ipkg list_installed | grep -i rhash
myHostname:/tmp/home/root# ipkg list | grep -i rhash
myHostname:/tmp/home/root# ipkg install rhash
Nothing ...
2
votes
1answer
66 views
160-bit fingerprint of RSA key
The command
ssh-keygen -lf /etc/ssh/ssh_host_rsa_key.pub
prints the 128-bit fingerprint of the RSA key.
What is the command to get the 160-bit fingerprint of a RSA key?
0
votes
0answers
35 views
Base64 encoding from SHA512 hash bytes [duplicate]
How to get base64 encoding directly from SHA512 hash bytes and not from the uppercase hexadecimal representation of the SHA512 in linux shell?
0
votes
1answer
70 views
Custom context menu items in file manager? (execute with custom bash script shortcut)
Is there a way in any Linux GUI file manager to create a custom shortcut to a bash file to be executed using the selected file(s)?
Example: Create hash sums of this file.
Bash script: makehashsums....
1
vote
0answers
35 views
GraphDriver & RootFS entry in manifest file
When the image is pushed to Docker registery, the content of each image layer is compressed and then the corresponding digest(SHA-256) is placed in manifest file.
Manifest file for redis repository ...
1
vote
1answer
1k views
How do I fix this error: “ipset v6.11: Hash is full, cannot add more elements”
When I run the update script for voipbl manually, I get this error from ipset: ipset v6.11: Hash is full, cannot add more elements. I am running it manually because some IPs that are on the blacklist ...
0
votes
0answers
62 views
What is the sha1sum -c equivalent with OpenSSL?
I generated checksums for a list of files and stored them a .sha1 file by using the following command:
openssl dgst -r -sha1 -out sums.sha1 *
which is the equivalent of:
sha1sum * > sums.sha1
...
0
votes
0answers
38 views
Continuously detect a change of chksum of files under folder with inotify-tools [duplicate]
I just installed inotify-tools.
I would like to continuously detect change of chksum of files under folder /path
Once a change was detect ( under /path ) then it will print
echo “chksum of files ...
0
votes
1answer
124 views
do I use sha256sum or sha256hmac for file checksum
I have a text file with stuff in it
I want to checksum it and create a hash for later use to know if the file has changed, when used anywhere else
which to use? sha256sum myfile or sha256hmac myfile
2
votes
1answer
80 views
md5sum of /dev/sr1 different than ISO image?
After writing an ISO image using Brasero, I discovered that the md5sum of the target DVD is different than the ISO image, despite no readability errors.
What has caused that difference?
0
votes
1answer
54 views
Generate a sfv file with bash (crcs along with the paths)
How would I script something so that it gives me a list of crcs along with the paths, like an sfv file? I could code this in python but there is probably a simpler way in shell.
So far I have:
find ....
0
votes
1answer
300 views
In a bash script, how to use a variable inside a command and assign to a new variable?
I'm trying to store the MD5 of a variable into another variable. Between backticks and the more modern () notation, I cannot figure out how to assign the value of a variable run through a command to ...
0
votes
2answers
278 views
Fast hashing in awk?
I find it cool that someone has written MD5 in AWK: https://kaworu.ch/blog/2017/05/23/implementing-md5-in-AWK/
Unfortunately that one is quite slow. I am looking for a fast hashing tool for AWK that ...
0
votes
1answer
2k views
how to generate bcrypt 2a variation hash instead of 2y?
On my linux machine, I'm able to generate bcrypt hash from command line using htpassword
htpasswd -bnBC 10 "" password | tr -d ':\n'
however it generates "$2y$" but I need "$2a$" (bcrypt 2a). How ...
6
votes
5answers
854 views
Using pv with md5sum
I used md5sum with pv to check 4 GiB of files that are in the same directory:
md5sum dir/* | pv -s 4g | sort
The command completes successfully in about 28 seconds, but pv's output is all wrong. ...
-1
votes
1answer
132 views
find the relevant files with their checksum
We want to find all the .jar files with their chksum.
find . -name "*.jar"
./lib/ant-1.8.0.jar
./lib/ant-launcher-1.8.0.jar
./lib/backport-util-concurrent-3.1.jar
./lib/classworlds-1.1-alpha-2.jar
./...
1
vote
1answer
66 views
awk inside another awk's system
I am given a file containing the md5 values for files within the same folder. The information is in the file md5checksums.txt in the following format:
b0da7ead9d82a3494d7e0a7099871ef4 ./...
0
votes
3answers
1k views
Print SHA sums without “-” at the end?
Is it possible to have SHA sums print without the - appended to the end?
$ echo test | sha1sum
4e1243bd22c66e76c2ba9eddc1f91394e57f9f83 - <--- this "-" dash/hyphen
I know we can use awk and ...
1
vote
1answer
51 views
Command line generates different hashsum than online hash generator… [duplicate]
Input text: test
Online MD5 hashsum generator: 098f6bcd4621d373cade4e832627b4f6
echo "test" | md5sum: d8e8fca2dc0f896fd7cb4cb0031ba249
Also the same happens to sha512sum and sha1sum.
Why does Linux ...
9
votes
1answer
1k views
How to check a hash sum file on FreeBSD?
Situation
I'm on FreeBSD 11.2 without GUI. I'm brand new to BSD systems.
Suppose we have a SHA512SUM file generated on FreeBSD with:
sha512 encrypt-file-aes256 decrypt-file-aes256 > SHA512SUM
...
1
vote
1answer
442 views
Using korn shell to compare local and remote MD5 over sftp
I am in need of creating and checking checksums between a local file, and the remote file I just pushed. If the MD5 checks, continue, else break. This needs to be in KORN shell scripting because we ...
0
votes
2answers
55 views
Restoring files names using md5 file
I recovered some files from my HDD, but there names were changed. Also, I found md5 files of the recovered files.
How can I use the md5 file to restore files names?
-4
votes
2answers
52 views
Remove all before last “:” in Terminal [closed]
I have millions of lines with these 2 formats all in one merged file.
hash:salt:password
hash:password
hash:hash
What I want is just keep the password, then remove duplicates and after remove ...
2
votes
2answers
749 views
Compare tarballs with sha1sum
I create a .tgz/tarball with $(npm pack).
I then run:
sha1sum oresoftware-npp-0.0.1001.tgz
and I get:
77c58da68593dcdcd14bb16a37f5f63ef42bab63 oresoftware-npp-0.0.1001.tgz
I want to compare ...
2
votes
4answers
851 views
Reverse engineering IP camera firmware to find admin password
I'm trying to reverse engineering an IP camera firmware and found the complete ROM OS but I would like to find out the system password so I have looked at /etc/passwd.
The file is not there, it is ...
0
votes
1answer
532 views
md5sum warning about formatted lines
I am trying to validate a file using the following command:
$ md5sum myfile_v2.1.ova -c myfile_v2.1.md5
md5sum: myfile_v2.1.ova: no properly formatted MD5 checksum lines found
myfile_v2.1.ova: OK
...
0
votes
2answers
760 views
get base64 value from openssl md5 command in script
I am trying to get the base64 md5 value of the latest file in an oracle backup directory:
for file in "$(find /oracle/PD1/sapbackup/b*/ -newermt $date -type f)"; do openssl md5 -binary $file | ...
0
votes
1answer
130 views
md5 sum (fdupes) vs sha256sum - why different results - ubuntu server
I have a directory structure that I know contains a LOT of duplicate files. (the dir tree has 67K files with around 8K duplicates). Naturally, the duplicates are all same size in bytes and the same ...
0
votes
2answers
648 views
Postfix configuration issue with fips on centos 7; mailgun relay
I am trying to setup postfix to relay all mail generated on the local machine via SMTP to a mailgun relay. I have used the mailgun relay before with success on an ubuntu server, but I am migrating to ...
1
vote
1answer
1k views
How to install md5sum in FreeBSD?
I am using FreeBSD 11.1
I am unable to find right way to install md5sum package in FreeBSD installation. I need md5sum for Conda installation.
Please suggest if you know anyways.
6
votes
2answers
1k views
Tar produces different files each time
I often have large directories that I want to transfer to a local computer from a server. Instead of using recursive scp or rsync on the directory itself, I'll often tar and gzip it first and then ...
1
vote
2answers
2k views
md5sum failed to open a file, directory issue
I'm having a problem checking certain .md5 files, they are all files that are in directories which have been renamed since the files were downloaded.
[User1 Directory X]$ md5sum -c file1.txt.md5
...
11
votes
1answer
9k views
How to find the hashing algorithm used to hash passwords?
I have the working password and can see the hash (/etc/passwd). How do I find the hashing algorithm used to hash the password, without manually trying different algorithms until I find a match?
15
votes
3answers
13k views
No sha256sum in MacOS
I tried to use sha256sum in High Sierra; I attempted to install it with MacPorts, as:
sudo port install sha256sum
It did not work.
What to do?
0
votes
1answer
282 views
sha512sum from terminal is wrong [duplicate]
Runing
echo "zyc.txt" | openssl dgst -sha512
(stdin)= 11aa472bf4c97ffb1fae06a3f7175127da084c5dfb840038ee308b37136330e5b6a56cc053c62881f10aec88948d8addb1d4844496cdb08e4067b4fd4601330e
or
...
22
votes
2answers
2k views
md5sum prepends '\' to the checksum
Why md5sum is prepending "\" in front of the checksum when finding the checksum of a file with "\" in the name?
$ md5sum /tmp/test\\test
\d41d8cd98f00b204e9800998ecf8427e /tmp/test\\test
The same ...
