- Open SSL
- Cryptography and SSL/TLS Toolkit
- Downloads
- Legalities
- Downloads
- Open SSL
- Cryptography and SSL/TLS Toolkit
- Welcome to OpenSSL!
- Latest News
- Legalities
- How To Install OpenSSL on Windows
- Step 1 – Download OpenSSL Binary
- Step 2 – Run OpenSSL Installer
- Step 3 – Setup Environment Variables
- Step 4 – Run OpenSSL Binary
- The openssl toolkit windows
Open SSL
Cryptography and SSL/TLS Toolkit
Downloads
The master sources are maintained in our git repository, which is accessible over the network and cloned on GitHub, at https://github.com/openssl/openssl. Bugs and pull patches (issues and pull requests) should be filed on the GitHub repo. Please familiarize yourself with the license.
The table below lists the latest releases for every branch. (For an explanation of the numbering, see our release strategy.) All releases can be found at /source/old. A list of mirror sites can be found here.
Note: The latest stable version is the 1.1.1 series. This is also our Long Term Support (LTS) version, supported until 11th September 2023. All older versions (including 1.1.0, 1.0.2, 1.0.0 and 0.9.8) are now out of support and should not be used. Users of these older versions are encourage to upgrade to 1.1.1 as soon as possible. Extended support for 1.0.2 to gain access to security fixes for that version is available.
The OpenSSL FIPS Object Module 2.0 (FOM) is also available for download. It is no longer receiving updates. It must be used in conjunction with a FIPS capable version of OpenSSL (1.0.2 series). A new FIPS module is currently in development.
OpenSSL 3.0 is the next major version of OpenSSL that is currently in development and includes the new FIPS Object Module. A pre-release version of this is available below. This is for testing only. It should not be used in production. Information and notes about OpenSSL 3.0 are available on the OpenSSL Wiki
KBytes | Date | File |
14055 | 2021-Apr-08 12:22:31 | openssl-3.0.0-alpha14.tar.gz (SHA256) (PGP sign) (SHA1) |
9593 | 2021-Mar-25 13:41:15 | openssl-1.1.1k.tar.gz (SHA256) (PGP sign) (SHA1) |
1457 | 2017-May-24 18:01:01 | openssl-fips-2.0.16.tar.gz (SHA256) (PGP sign) (SHA1) |
1437 | 2017-May-24 18:01:01 | openssl-fips-ecp-2.0.16.tar.gz (SHA256) (PGP sign) (SHA1) |
When building a release for the first time, please make sure to look at the INSTALL file in the distribution along with any NOTES file applicable to your platform. If you have problems, look at the FAQ, which can be found online. If you still need more help, then join the openssl-users email list and post a question there.
PGP keys for the signatures are available from the OMC page. Current members that sign releases include Richard Levitte and Matt Caswell.
Each day we make a snapshot of each development branch. They can be found at https://www.openssl.org/source/snapshot/. These daily snapshots of the source tree are provided for convenience only and not even guaranteed to compile. Note that keeping a git local repository and updating it every 24 hours is equivalent and will often be faster and more efficient.
Legalities
Please remember that export/import and/or use of strong cryptography software, providing cryptography hooks, or even just communicating technical details about cryptography software is illegal in some parts of the world. So when you import this package to your country, re-distribute it from there or even just email technical suggestions or even source patches to the authors or other people you are strongly advised to pay close attention to any laws or regulations which apply to you. The authors of OpenSSL are not liable for any violations you make here. So be careful, it is your responsibility.
Downloads
Please report problems with this website to webmaster at openssl.org.
Copyright © 1999-2018, OpenSSL Software Foundation.
Open SSL
Cryptography and SSL/TLS Toolkit
Welcome to OpenSSL!
OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. It is also a general-purpose cryptography library. For more information about the team and community around the project, or to start making your own contributions, start with the community page. To get the latest news, download the source, and so on, please see the sidebar or the buttons at the top of every page.
OpenSSL is licensed under an Apache-style license, which basically means that you are free to get and use it for commercial and non-commercial purposes subject to some simple license conditions.
For a list of vulnerabilities, and the releases in which they were found and fixes, see our Vulnerabilities page.
Latest News
Date | Item |
08-Apr-2021 | Alpha 14 of OpenSSL 3.0 is now available: please download and test it |
25-Mar-2021 | OpenSSL 1.1.1k is now available, including bug and security fixes |
11-Mar-2021 | Alpha 13 of OpenSSL 3.0 is now available: please download and test it |
18-Feb-2021 | Alpha 12 of OpenSSL 3.0 is now available: please download and test it |
16-Feb-2021 | OpenSSL 1.1.1j is now available, including bug and security fixes |
More. |
Legalities
Please remember that export/import and/or use of strong cryptography software, providing cryptography hooks, or even just communicating technical details about cryptography software is illegal in some parts of the world. So when you import this package to your country, re-distribute it from there or even just email technical suggestions or even source patches to the authors or other people you are strongly advised to pay close attention to any laws or regulations which apply to you. The authors of OpenSSL are not liable for any violations you make here. So be careful, it is your responsibility.
Please report problems with this website to webmaster at openssl.org.
Copyright © 1999-2018, OpenSSL Software Foundation.
How To Install OpenSSL on Windows
OpenSSL is a full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. It is licensed under an Apache-style license. This tutorial will help you to install OpenSSL on Windows operating systems.
Step 1 – Download OpenSSL Binary
Download the latest OpenSSL windows installer file from the following download page. Click the below link to visit OpenSSL download page:
Step 2 – Run OpenSSL Installer
Now run the OpenSSL installer on your system. The OpenSSL required Microsoft Visual C++ to be installed on your system. If your system doesn’t have Microsoft Visual C++ installed, the installer will show your message like:
Click Yes to download and install required Microsoft Visual C++ package on your system.
Then again run the OpenSSL installer and follow the wizard.
Step 3 – Setup Environment Variables
Now set the environment variables to function OpenSSL properly on your system. You are required to set OPENSSL_CONF and Path environment variables.
Set OPENSSL_CONF Variable:
Set Path Variable:
Step 4 – Run OpenSSL Binary
Open a command prompt and type openssl to get OpenSSL prompt. Then run version command on OpenSSL proper to view installed OpenSSL version.
The openssl toolkit windows
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