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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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 ...
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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 ...
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429 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 ...
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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 ...
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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: ...
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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?
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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 ...
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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 ...
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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 ...
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'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 ...
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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 ...
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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
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1answer
4k 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 ...
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2answers
459 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 ...
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3answers
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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 ...
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1answer
368 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 ...
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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. ...
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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 ...
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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 ...
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168 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: ...
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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: $ ...
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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 ...
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2answers
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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 ...
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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 ...
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697 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 ...
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569 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 ...
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499 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 ...
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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 ...
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2answers
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 ...
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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 ...
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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.
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1answer
182 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?
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1answer
327 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 ...
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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** ...
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1answer
382 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
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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
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1answer
611 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: ...
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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 ...
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“openssl dgst -sha1” producing an extraneous “(stdin)= ” prefix and trailing newline

If you run this command on your Unix echo -n "foo" | openssl dgst -sha1 You will get this output: (stdin)= 0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33 (followed by a newline). How can I force ...
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1answer
494 views

How to display server's TLS certicicate details in terminal?

Having TLS certificate in local file, I can display its details using syntax like: openssl x509 -text -noout -in cert_filename Is there any way to display remote SMTP/POP3/HTTP server's TLS ...
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2answers
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FTP over SSL in AIX (UNIX)

Folks over at SO couldn't answer this, so I am posting over here. I need to do an FTP over SSL to a FileZilla Server running on a Windows server from an AIX Unix clien. I have the Host name of the ...
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TLS over unix pipe

Can I use TLS/SSL over Unix pipe with Unix command line? I want the equivalent of $ mkfifo /tmp/spipe $ echo a|openssl s_server -acceptFifo /tmp/spipe & [1] 25563 $ openssl s_client ...
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Safe way to pass password for >1 programs in bash

I'm writing a bash script, and need to ask user for his password and pass it to openssl. Whilst openssl can read the password itself, I need for two runs of the program and don't want to ask the user ...
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How do I convert a ssh-keygen public key into a format that openssl PEM_read_bio_RSA_PUBKEY() function will consume?

I'm having an issue generating a public key that the openssl PEM_read_bio_RSA_PUBKEY() function can consume. I keep getting errors. Obviously I cannot simply use the ASCII string in the ssh-keygen ...
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1answer
459 views

How to disable SSLv2 in OpenSSH?

Due to the recent deprecation of SSLv2, is it possible to disable SSLv2 in OpenSSH? Is OpenSSH even using SSLv2? From digging around, I see the sshd is not compiled against openssl , but it is ...
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Implementation of eSTREAM ciphers available?

Is there a usable implementation of the eSTREAM stream cyphers available for Linux? I was thinking to use that for encrypting data stored on tape drives, using it with tar. Now, there are some basic ...
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904 views

libssl and libcrypto backward compatible?

I have an old server application that requires libssl.so.0.9.6 and libcrypto.so.0.9.6. My issue is I currently have libssl.so.1.0.0a and libcrypto.so.1.0.0a on my system. I tried symlinking to the ...
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3answers
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Trust a self signed PEM certificate

I have set up a proxy server with SSL using a PEM certificate. Now, there is a couple of machines of mine that I would like to trust this certificate automatically (without the web browser ...
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757 views

How do I extract all subjects of a cacertfile with the openssl command line?

Is there an openssl command to extract all certifacte subjects of a cacertfile (a file containing several certificates like /etc/ssl/certs/ca-certificates.crt)? I tried openssl x509 -in ...
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Validating an OpenSSL Cipher List

Are there any tools that can validate an OpenSSL cipher list both syntactically and semantically? For example, ALL:!LOW:!SSLv2:!EXP:!aNULL is both syntactically and semantically valid cipher list. On ...