Work with the SSL and TLS cryptographic protocols

on 31 votes
License: Freeware
Total downloads:12,634 (2 last week)
Operating system:Windows XP/XP Professional/Vista/7/8/10/11
Latest version:3.0.9
Report incorrect info


Screenshot Screenshot


Implement the Secure Sockets Layer and Transport Layer Security cryptographic protocols. Access an extensive library and work with a wide range of encryption algorithms, including Blowfish, MD5, SHA-1, DES, AES, RSA, DSA, and the Diffie–Hellman key exchange method.

Our software library provides a free download of OpenSSL 3.0.9. The program is categorized as Development Tools. The current setup file available for download requires 4.2 MB of hard disk space. This free program is a product of OpenSSL Team.

The following versions: 1.1, 1.0 and 0.9 are the most frequently downloaded ones by the program users. Commonly, this program's installer has the following filenames: cmd.exe, iexplore.exe, openssl.exe and unins000.exe etc. OpenSSL works fine with 32-bit and 64-bit versions of Windows XP/XP Professional/Vista/7/8/10/11. Our antivirus check shows that this download is malware free.

From the developer:

The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Security (TLS v1) protocols as well as a full-strength general purpose cryptography library.

You may want to check out more software, such as ClicksAndWhistles, stunnel or wolfSSL, which might be similar to OpenSSL.


Thank you for rating the program!
Please add a comment explaining the reasoning behind your vote.
Your vote:
Latest update:
Latest updates

File Managers

Maritime Trainer
Maritime Trainer


Make downloads easier Make downloads easier Discover FDM Add-on support You can get add-ons that download files/video from arbitrary websites.