OpenSSL Tool for Windows
The openssl program is a command line tool for using the various cryptography functions of OpenSSL's crypto library from the shell.
LibreSSL is a version of the TLS/crypto stack forked from OpenSSL in 2014, with goals of modernizing the codebase, improving security, and applying best practice development processes.
Usage
Zip archive contains 64-bit binaries of the openssl tool from LibreSSL, Cygwin and required DLLs plus man pages which are also available here: openssl openssl.cnf
One liner for creation of a self-signed SSL certificate:
openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout selfsigned.key -out selfsigned.crt 
OpenSSL tool 1.6.1Release date: 21/01/2023
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OpenSSL tool 1.6.0Release date: 20/11/2022
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OpenSSL tool 1.5.0Release date: 12/12/2021
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OpenSSL tool 1.4.0Release date: 18/09/2021
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OpenSSL tool 1.3.0Release date: 09/03/2021
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OpenSSL tool 1.2.0Release date: 29/12/2020
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OpenSSL tool 1.1.0Release date: 16/10/2020
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Release news
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2023-03-21
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2023-03-20
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2023-03-20
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2023-03-10
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2023-03-09
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2023-03-04
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2023-03-02
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2023-02-28
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2023-03-07