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How Do I Install OpenSSL?

Last updated: 2020-09-01 09:58:07

    How do I install OpenSSL?

    OpenSSL is a well-known open source cryptography toolkit for secure communications, featuring cryptographic algorithms, common passwords, and certificate packaging.

    OpenSSL official website

    For the official download address: click here.

    Installing OpenSSL on Windows

    No installation package for Windows is provided on the OpenSSL official website. Instead, you can use tools provided by other open source platforms, such as, Win32/Win64 OpenSSL.
    The following describes how installation and usage information Windows users.

    1. Download a 32-bit or 64-bit version, for example, Win64OpenSSL_Light-1_0_2h.exe, as shown in the following figure.
    2. Set the environment variables. If the tool is installed in C:\OpenSSL-Win64, copy C:\OpenSSL-Win64\bin; to Path, as shown in the following figure.
    3. Open the Command Prompt (you must be logged in as the admin), go to the directory in which the files 2_www.tencent.com.key and 1_www.tencent.com_cert.crt are saved, and run the following command:
      openssl pkcs12 -export -out www.tencent.com.pfx -inkey 2_www.tencent.com.key -in 1_www.tencent.com_cert.crt
      If the .key and .crt files are stored in D:\, the running status will be as follows:


    If Export Password is not required, press Enter directly.
    4. After the file www.tencent.com.pfx is generated in D:\, continue to complete the certificate installation in IIS Manager.

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