OpenSSL

3.3.1 Cryptography library for Windows

Sven Sorensen

Set of software tools for implementing secure communication using SSL/TLS protocols and cryptographic algorithms.

Free and open source secure socket laying software download, reviewed by Sven Sørensen
Embed SSL and TLS support into projects to enhance security - Screenshot of OpenSSL
Secure your Internet data transfers - Screenshot of OpenSSL
Supports various encryption algorithms - Screenshot of OpenSSL
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Collection of command line utilities for creating private keys, along with a library of code for implementing encryption into development projects.

OpenSSL is the gold standard for online encryption and with this package, developers can implement SSL and TLS encryption within their applications.

As the Internet has turned towards more security and encryption, it's absolutely important to take encryption into consideration when performing any types of tasks or data transfer online. With OpenSSL, you've got a reliable and community-supported approach to data encryption.

The main library issued by this includes a Windows command line application with access to all of the ciphers and algorithms that Open SSL supports.

The application can also generate personal and public keys using SHA256, SHA-1, MD5, base64, Camellia, Blowfish, AES and a long list of others. Public key support includes Diffie-Hellman, RSA and DSA key exchanges.

As an open source project, OpenSSL will continue to grow when more participants join the project.

The OpenSSL library uses the included full-strength general-purpose cryptography library, which can be used by itself.

Compatibility and License

As OpenSSL is released under the Apache License v2.0 for Windows from programming software, you are not required to pay a penny for this software. In fact, you're free to make copies, distribute it and for those that are technically inclined, view and edit the source code. Feel free to share it with friends.

What version of Windows can OpenSSL run on?

OpenSSL can be used on a computer running Windows 11 or Windows 10. Previous versions of the OS shouldn't be a problem with Windows 8 and Windows 7 having been tested. It comes in both 32-bit and 64-bit downloads.


Filed under:
  1. OpenSSL Download
  2. Free Programming Software
  3. Open source and GPL software
  4. Secure Socket Laying Software
OpenSSL has been picked by our editors as very good.
OpenSSL has been tested for viruses and malware.
We have tested OpenSSL 3.3.1 against malware with several different programs. We certify that this program is clean of viruses, malware and trojans.