Tagged Questions

OpenSSL is an open-source implementation of the SSL and TLS protocols. The core library, written in the C programming language, implements the basic cryptographic functions and provides various utility functions.

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2answers
2k views

yum and openssl disagree on currently installed version in Centos 6.5

I'm attempting to ensure that we are using the most recent openssl version on Centos 6.5, and yum reports that we are, but openssl continues to report that its version is an older one: ...
3
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3answers
1k views

Fedora 20 Heartbleed openssl fix

I am just trying to fix the Heartbleed bug associated with OpenSSL on Fedora Core 20. I am trying to follow the instructions as described here: ...
77
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3answers
18k views

How do I recover from the Heartbleed bug in OpenSSL?

CVE-2014-0160 a.k.a. Heartbleed is a vulnerability in OpenSSL. It looks scary. How do I determine whether I am affected? If I'm affected, what do I need to do? Apparently upgrading isn't enough.
6
votes
1answer
594 views

Are Debian- and RedHat-style repositories compromised by Heartbleed OpenSSL bug?

The Heartbleed exploit (CVE-2014-0160) makes SSL connections using OpenSSL vulnerable to private key leakage. Does it mean that official update channels in RHEL/CentOS/etc. and Debian/Ubuntu shall be ...
5
votes
2answers
5k views

Openssl upgraded via apt-get, `openssl version` showing previous version

I am running Debian Wheezy. I have just upgraded my system and should have the latest version of openssl (1.0.1g which fixes a critical bug), but it does not appear to be being used. I have run: ...
5
votes
3answers
831 views

How do I generate SSHFP records?

I need to setup SSHFP records in the DNS for my host. I have done some searching but I haven't found any good example. What are SSHFP records? What does SSHFP records look like? How do I create ...
1
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0answers
34 views

libpam load pam modules at every connection

I want to reduce ssh connection time, by debugging sshd have found that libpam is loading all pam modules specified in /etc/pam.d/sshd file at every connection. How to configure/modifiy libpam such ...
7
votes
2answers
1k views

RSA 2048 keypair generation: via openssl 0.5s via gpg 30s, why the difference?

RSA 2048 keypair generation: via openssl 0.5s via gpg 30s, why the difference There are several programs which can gerate RSA public/private keypairs GnuPG/OpenPGP for instance has a wizzard being ...
1
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1answer
644 views

Installed root certificate authority doesn't appear to be working?

OS : archlinux Openssl dir : /etc/ssl I just installed a root certificates authority. The xxx.pem and yyy.0 file exists in the /etc/ssl/certs folder. Then I verify the vimeo.com:443 via bash: $ ...
1
vote
1answer
418 views

Can not execute some shell command from php

I want to execute phpcs commands from phpcode using shell_exec function. During execution it gives error /usr/bin/php: relocation error: /usr/bin/php: symbol X509_free, version OPENSSL_1.0.0 not ...
2
votes
3answers
5k views

RHEL 6.4 and OpenSSL 1.0.1 - Dependency missing.. but it isn't?

I am trying to install phpMyAdmin, however I am getting an error about openssl libraries being missing. However, I have installed them using the ius repo; Error: Package: ...
3
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2answers
850 views

How to encyrpt a message using someone's SSL smime.p7s file

I need to send a private key file to someone (a trusted sysadmin) securely. I suggested a couple options, but he replied as follows: Hi, I don't have neither LastPass nor GnuPGP but I'm using ssl ...
0
votes
1answer
177 views

Use curl to download from a Url

I am trying to download a file from a url using curl: $ curl -3 -v "https://atl1mmsget.msg.eng.t-mobile.com/mms/wapenc?location=XXXXXXXXXXX_14zbwk&rid=027" Where the X is a digit in the phone ...
2
votes
1answer
370 views

How do I decrypt a message using openssl's CLI?

I have a message, I know the password and the cipher that was used to encrypt it, but I can't figure out how to ask openssl to decrypt it. I see the cipher in the output from the ciphers command, and ...
1
vote
1answer
651 views

How can I add an x509 certificates bundle (ca-bundle.crt) to NSS database (~./pki/nssdb)

I'm currently using RedHat Enterprise 6. Git had issues cloning Github repos using HTTPS. After some investigation (e.g. enabling GIT_CURL_VERBOSE and GIT_TRACE) the problem was narrowed to a ...
0
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2answers
4k views

Installing OpenSSL shared libraries on CentOS 6.5

OS: CentOS-6.5-x86_64-minimal I downloaded the latest version of OpenSSL Extracted it with tar -xvzf openssl-1.0.1e.tar.gz cd openssl-1.0.1e ./config --prefix=/usr/local make it gives me the ...
1
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3answers
1k views

Installing PostgreSQL 9.0 on RHEL 6.4 (How to get Yum to Include a version of OpenSSL I built from source)

I receive the following errors from yum install postgresql90-server: Error: Package: postgresql90-9.0.15-1PGDG.rhel6.x86_64 (pgdg90) Requires: libssl.so.10(libssl.so.10)(64bit) Error: Package: ...
2
votes
2answers
3k views

Get common name (CN) from SSL certificate?

I have a SSL CRT file in PEM format. Is there a way that I can extract the common name (CN) from the certificate from the command line?
2
votes
2answers
64 views

generating CSR correctly

When generating a CRS for private purposes (non-comercial) which of the fields are mandatory? Country Name (2 letter code) [US]: US State or Province Name (full name) []: Texas Locality Name ...
1
vote
2answers
2k views

List all available ssl ca certificates

My git client claims error: Peer's Certificate issuer is not recognized. That means it can not find the corresponding ssl server key in the global system keyring. I want to check this by looking at ...
1
vote
2answers
2k views

KEY_CONFIG pointing to the wrong version of openssl.cnf

I am trying to setup OpenVPN but I am getting this error: #./build-ca grep: /etc/openvpn/easy-rsa/2.0/openssl.cnf: No such file or directory pkitool: KEY_CONFIG (set by the ./vars script) is pointing ...
0
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0answers
1k views

'Git clone' times out with 443 error message

git clone -v https://github.com/me/myproj Cloning into 'myproj'... <minutes pass> error: Failed connect to github.com:443; Operation now in progress while accessing ...
0
votes
1answer
136 views

Why does OpenSSL automatically send me Terminal mail?

I for some reason am getting messages from OpenSSL constantly (not literally constantly, but every hour or so) sent to my Terminal mail box saying: Message 1: Subject: Cron ...
1
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2answers
6k views

OpenVPN - Socket bind failed on local address [AF_INET] IP:1194: Cannot assign requested address

How get it resolved? I am trying to start the openVPN server so that i can login remotely using username: demo and password: demo, but openVPN server is failing to start. What am i doing wrong, how ...
2
votes
1answer
6k views

make fatal error: openssl/sha.h: No such file or directory

I'm trying to compile a program that, according to the documentation, requires the "OpenSSL library". I have OpenSSL installed, and it's still giving me the error openssl/sha.h: No such file or ...
4
votes
2answers
631 views

Decrypting a file encrypted on a different system

My home server runs OpenBSD 5.3 with Samba serving files to several Windows machines. I wrote a script to backup video files by encrypting each file with openssl enc -aes-256-cbc and uploading it to ...
3
votes
3answers
101 views

Appending a pem to another

I found a blog that helped me relay postfix through smtp.gmail.com with SASL authentication. One of the steps was: cat /etc/ssl/certs/Thawte_Premium_Server_CA.pem | \ sudo tee -a ...
2
votes
1answer
449 views

How to recompile exim4-daemon-heavy? [duplicate]

I have had a few problem with exim4 and various phone mail clients (Windows Phone in particular) that seem to result from bad mail clients together with GnuTLS. I'd like to recompile ...
5
votes
3answers
11k views

How can I get TLSv1.2 support in Apache on RHEL6/CentOS/SL6?

I'd like to have TLSv1.2 support in Apache on my Scientific Linux 6 (RHEL6 rebuild) server. Is there some semi-supported pathway to getting this working? Preferably with minimal custom rebuilding. ...
3
votes
1answer
419 views

How to generate just a key with openssl

I run this command to generate a CSR and a new key with openssl: openssl req -new -nodes -days 9000 -config /etc/ssl/openssl.cnf -out /etc/ssl/certs/mycompany.com.csr -keyout ...
7
votes
0answers
3k views

OpenSSL Package Rebuild CentOS 6.4 [closed]

Rebuilding openssl with Elliptic Curves on CentOS 6.4 The strategy is: 1) Download the "official" CentOS source package (.src.rpm) 2) Modify the .spec file to enable elliptic curves. (change no-EC ...
1
vote
1answer
183 views

generate SCRAM-SHA-1 hash of a password

I am looking for a simple way (perhaps using openssl) to generate SCRAM-SHA-1 hash of a password for use for Prosody Jabber Server. The passwords on the server are stored in the following form: ...
3
votes
2answers
364 views

OpenSSL buffering problem

I have a stream that I would like to encrypt in real time, but the problem is that openssl encrypt only when it could read from stdin enough bytes, otherwise it waits. Look at those examples: $ ...
1
vote
1answer
3k views

openssl-1.0.1e compiling on Debian

I am compiling OpenSSL-1.0.1e on Debian Lenny (armv4 architecture). I have been following the instruction on http://www.linuxfromscratch.org/blfs/view/svn/postlfs/openssl.html to compile the source ...
3
votes
2answers
1k views

SSH Agent does not work with pkcs8 private key

I did encrypt my private key using openssl pkcs8 -topk8 -in id_rsa -out id_rsa_new -v2 des3 (http://martin.kleppmann.com/2013/05/24/improving-security-of-ssh-private-keys.html) But now, ssh-agent ...
5
votes
1answer
638 views

Backporting OpenSSL-1.0.1e to Debian Lenny (armv4l)

I have an old embedded board that supports only Debian Lenny. I need to install OpenSSL-1.0.1e on it. If I download the source code then try to compile the source code, I get this error ...
2
votes
1answer
999 views

Using key file as password with OpenSSL

I got an assignment to decrypt a binary file which is encrypted using aes. I have a 32 byte binary file which is a key for decryption. I know how to decrypt if the key is a passphrase by using ...
-2
votes
1answer
760 views

Red hat enterprise linux how do i install apache with SSL HTTPS? i have CERTIFICATE, KEY, INTERMEDIATE (ROOT CA) from heart internet [closed]

How can i install SSL HTTPS in my apache webserver in Red hat enterprise linux? Only following is installed. And i have tried this website follow up but its not working it fails. $ uname -a ...
0
votes
1answer
589 views

Certificate extensions in generating and signing certificartes using openssl

References: SSL Configurations for Intermediate certificate How to add my own created certificate authority to system trusted repositories Why I can't find a page which tell me what's the kind of ...
2
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0answers
167 views

SSL Configurations for Intermediate certificate

I had implement a mutual certificate authentication and it worked successfully for following steps : create root ca (self-signed) create server certificate and sign it with ca private key create ...
2
votes
3answers
1k views

`openssl`: Subject Alternative Name

I wrote this bit of code to get the Common Name of the subject field in the SSL certificate for a given domain: $ echo -e "GET / HTTP/1.1\nEOT" | openssl s_client -connect google.com:443 2>&1 ...
0
votes
0answers
23 views

Best way of updating Openssl on Linux machine [duplicate]

I have a confusion to choose the best way for upgrading the OpenSSL on my Linux machine. 1*Through the yum Update.* # yum update I know this will update the entire packages. But If I want to ...
0
votes
1answer
137 views

upgrade OpenSSL from 0.9.8w to 1.0.0i or 1.0.1a on Linux server [duplicate]

I want to upgrade OpenSSL from 0.9.8w to 1.0.0I or 1.0.1a. I am using os.name Linux os.version 2.6.18-164.9.1.el5 Any pointers or links would be very helpful. Thanks in Advance.
2
votes
1answer
203 views

How to add multiple email adresses to an SSL certificate via the command line?

I know that by adding/modifying the SubjectAltName entry in openssl.cnf this can be achieved, but is there a way to do so without having to modify that file every time?
2
votes
1answer
385 views

Trailing space when generating md5

I apologize if this has already been answered, or if the answer is simpler than I realize, but I can't seem to figure out the following: When I try to generate an md5 from a string, either with echo ...
3
votes
2answers
2k views

Trying to install spotify with libssl1.0.0

I would like to install spotify client but it's complaining that it can't find the old libssl0.9.8 So I created a symlink to libssl1.0.0: sudo ln -s /usr/lib/x86_64-linux-gnu/libssl.so**.1.0.0** ...
4
votes
1answer
408 views

Encrypt word X to /etc/shadow encryption

I've changed my password to X and the shadow file has changed to: ahmad:$1$oYINSKjP$eCkCtJV/2dXerAD57WQPj/:15425:0:99999:7::: I see the encrypted X as $1$oYINSKjP$eCkCtJV/2dXerAD57WQPj/. How can I ...
4
votes
1answer
1k views

Cli verification of digitally signed email

I am Alice and I've received signed email from Bob. I use Web e-Mail client (e.g. GMail) and I see that one of attachements is smime.p7s. I've found option "show original message" and saved contents ...
0
votes
1answer
716 views

openssl s_client hangs

I am trying to look at some ssl certs with openssl's s_client. For some reason it hangs with the connection open after spitting out the cert info. Here is the command I am using and the output: ...
4
votes
3answers
4k views

Cannot Compile Apache: “Error, SSL/TLS libraries were missing or unusable”

Arch Linux 2011.08.19 (Linux 3.4.2 i686) Apache 2.2.22 → 2.2.22 (recompile & reinstall) OpenSSL 1.0.1.c-1 These details are likely irrelevant, but: I’m using yaourt with customizepkg to build ...