Open source implementation of the Secure Socket Layer (SSL) and Transport Layer Security (TLS) protocols
Questions tagged [openssl]
391 questions
31
votes
1 answer
How to install openssl 3.0.7 on Ubuntu 22.04?
There's a highest severity security hole in openssl v3.0.x where x<7. The patched version (3.0.7) has officially dropped on November 1, 2022.
How to install/update openssl 3.0.7 on an Ubuntu 22.04 system?
Update: The vulnerability has been…

Lexible
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31
votes
13 answers
module 'lib' has no attribute 'X509_V_FLAG_CB_ISSUER_CHECK'
I was using python 3.6 on my ubuntu machine and faced this error when doing some testing:
CryptographyDeprecationWarning: Python 3.6 is no longer supported by the Python core team. Therefore, support for it is deprecated in cryptography and will be…

snow
- 413
12
votes
2 answers
How to install openssl 1.0.2 with default openssl (1.1.1) on Ubuntu 16.04?
P4Python does not work on Ubuntu 16.04 since the distribution comes with OpenSSL 1.1.0g.(details). I am trying to build P4Python from source using --ssl path/to/openssl1.0. I need to install OpenSSL 1.0.2 along with the default version of OpenSSL.…

softwarematter
- 537
10
votes
4 answers
Building xar source error: no libcrypto?
I am building xar from source (https://github.com/mackyle/xar). It complains that I don't have OpenSSL, but I have it (my system have the openssl package installed and I have libcrypto.so.1.1.1 file in my lib directory).
Below are error messages…

Woody Wu
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6
votes
0 answers
Install Openssl v1.0.2 on Ubuntu 22.04
I'm running Ubuntu 22.04 and I installed the OpenSSL dev libraries to compile a project. This gave me OpenSSL version 1.1.x. However, it turns I need an older version of OpenSSL to compile the project:
https://github.com/ftexchange/ftx/pull/13
How…

user997112
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6
votes
4 answers
I have problem with new ubuntu 22.04 and openssl 3.0.2
When upgrade my linux to 22.04 and openssl3.0.2 (php7.4-fpm) get this error in my site:
file_get_contents(): SSL operation failed with code 1. OpenSSL Error messages: error:0A000126:SSL routines::unexpected eof while reading

vinprom
- 63
5
votes
2 answers
Updating OpenSSL
Ubuntu 16.04.2
Please, be informed that I'm a newbie, and the question may be clumsy.
I've read some theoretical materials, but don't have enough practice.
Let's suppose, we have a VPS bought from a hoster.
I'm afraid of accessing via ssh a bit.…

Michael
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4
votes
2 answers
Is Ubuntu 14.04 secure against heart bleed bug
I have read that there is a bug in SSL called heart bleed bug. Has Ubuntu 14.04 shipped along with this bug or has it been resolved in this release?

M.Tarun
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3
votes
1 answer
Openssl is either not installed properly or link to it is not working
Typing openssl version comes up with the following:
The program 'openssl' is currently not installed. You can install it by typing:
sudo apt-get install openssl
Typing sudo apt-get install openssl suggests it's already installed:
~$ sudo apt-get…

snapshot
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2
votes
0 answers
OpenSSL: bad magic number
I want to decrypt a file, I run:
openssl enc -d -aes128 -in encrypted.txt -out decrypted.txt
It asked me this:
enter aes-128-cbc decryption password:
Whatever I type, I get this: bad magic number
I did not find an answer on this forum when I…
user288019
2
votes
2 answers
Openssl version within Apache
I have installed (long time ago) Apache server on Ubuntu 12.04.
How could I know the Openssl version my server is using ?
user284234
2
votes
1 answer
How to upgrade OpenSSL 1.0.1f on Ubuntu Server 14.04?
It looks like Ubuntu Server 14.04 just released today includes OpenSSL v1.0.1f which is vulnerable to the heartbleed bug.
I've updated my packages (apt-get update) but that's the latest version available.
How to do I upgrade to 1.0.1g so I'm not…

SofaKng
- 259
2
votes
1 answer
Compiling cowpatty on Ubuntu 13.10 64bit fails
So, I downloaded cowpatty from their site[1] and I am trying to compile it. However, there is an error that prevents the make-process.
root@phil-laptop:/home/phil/wifite-2.0r85/cowpatty-4.6# make
cc -pipe -Wall -DOPENSSL -O2 -g3 -ggdb -c -o md5.o…

Phil
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2
votes
1 answer
What is the meaning of the three numbers 741 in "openssl rand -base64 741"?
I'm creating an auth keyfile for mongodb and one way to do that is using: /usr/bin/openssl rand -base64 741 > $TMPFILE
I want to understand what is going on, I understood everything minus the meaning of three numbers 741
I couldn't find an…

danilo
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2
votes
0 answers
Certification Problem After Upgrading OpenSSL 1.1.0 to 1.1.1 in Ubuntu 18.04
recently I wanted to upgrade my OpenSSL from version 1.1.0 to 1.1.1. I did it using instructions given in this post.
The solution Kevin Bowen gave was perfect, except that now I'm having trouble using wget when accessing https sites. See this…

geradism
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