Install OpenSSL on Windows and use OpenSSL to generate public and private keys

1. OpenSSL official website

Official download address: https://www.openssl.org/source/

2. Windows installation method

The OpenSSL official website does not provide a Windows version installation package, but you can choose tools provided by other open source platforms. For example http://slproweb.com/products/Win32OpenSSL.html

Taking this tool as an example, the installation steps and usage methods are as follows:

2.1 Select the appropriate 32-bit or 64-bit version to download, for example, Win64OpenSSL_Light-1_0_2h.exe:

Install OpenSSL on Windows

2.2 Set environment variables. For example, if the tool is installed in C:\OpenSSL-Win64, copy C:\OpenSSL-Win64\bin to Path.

widnows system sets OpenSSL environment variables

2.3 Open the command line program cmd (run as administrator) and run the following command:

The path here is the save address

Generate public and private keys using openssl

Generate a private key: openssl genrsa -out rsa_private_key.pem 1024
Generate a public key: openssl rsa -in rsa_private_key.pem -pubout -out rsa_public_key.pem

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