Questions tagged [hashsum]

Questions related to hashes, hash values or hash codes that are returned by hash functions such as SHA-1.

18 questions with no upvoted or accepted answers
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1answer
57 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 ...
2
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0answers
568 views

Why does md5sum give inconsistent results on device files?

Backing up some USB flash-drives on Lubuntu 16.04.3 LTS. Plug USB drive into laptop. Automounter does its stuff. I remount all partitions as read-only sudo mount -o remount,ro /dev/sdxn Copy USB ...
2
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0answers
153 views

Compare two cdroms

I would like to verified if two CD-ROMs (UDF) identical or not. One cdrom will be read at Windows and the other CD-ROM at Linux, where the CD-ROMs can be with different burning programs. This means ...
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0answers
21 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
564 views

Echo hash only from shasum

Is there a way to get shasum to only print the hash? I know this can be achieved by piping the output to another program, e.g. shasum something | cut -d' ' -f1 Is there a way to achieve this only ...
1
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0answers
52 views

Attributes of Swap Partition

I'm doing some research in security of Linux-based OS. Specially, I'm trying to understand the structure of Linux (non-crypto) Swap file / Swap partition. For my research, I use Linux Ubuntu 16.04 x64....
1
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0answers
54 views

Benefit of using multiple checksums for a group in AIDE

What are the benefits to having all md checksum functions specified for a group when running AIDE? For example, what is the difference between defining the first line and the second line with less md ...
0
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0answers
5 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 ...
0
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0answers
38 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
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2answers
43 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?
0
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2answers
485 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
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1answer
67 views

How does a CentOS 7 install verifies integrity?

How can the media (DVD) contain the hash if the hash is about the DVD? :) Before installing a CentOS 7, it usually wants to check the "media" integrity. Or is it using many smaller hashes to check ...
0
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1answer
167 views

Comparing files in awk/bash

I came across a problem and have no idea how to find the OPTIMAL solution. I have a list of files that looks like this: file1\0file2\0...fileX\0\0file(x+1)\0 Every name of file is separated by a \0 ...
0
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1answer
1k views

Problems in creating certificate with SHA256 / SHA512

I want to generate a self-signed certificate with SHA256 or SHA512, but I have problems with it. I have created a script, which should does this automatically: #!/bin/bash set -e echo "WORKSPACE: $...
0
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1answer
83 views

how to get the md5sum from a bootable CD/DVD?

AccuHash is a program that can get an md5sum from CD/DVD and without creating an ISO from, but it is a program only running in Windows. I looked around the web for how to do it and there is no ...
-1
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0answers
14 views

Potfile Brute force error keeps coming up when trying to crack password

I am on a hacking challenge website and I am trying to decode the hashed word. I am trying to decode the hash by using the following command hashcat -a 3 -m 0 use ?a?a?a?a?a?a?a?a --force. I know what ...
-1
votes
1answer
60 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
-4
votes
1answer
316 views

check if the Linux kernel my PC runs has been maliciously modified

$ uname -a Linux mypcname 3.16.0-4-686-pae #1 SMP Debian 3.16.7-ckt25-2 (2016-04-08) i686 GNU/Linux I want to check that this ^^ Linux kernel on my PC has not been maliciously tampered with. I have ...