Work with the SSL and TLS cryptographic protocols
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on 31 votes
License: Freeware
Total downloads:12,644 (3 last week)
Operating system:Windows XP/XP Professional/Vista/7/8/10/11
Latest version:3.0.9
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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 website provides a free download of OpenSSL 3.0.9. The program is categorized as Development Tools. This free program is a product of OpenSSL Team. The following versions: 1.1, 1.0 and 0.9 were 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, wolfSSL or OpenVPN, which might be similar to OpenSSL.


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