Thư viện download
OpenSSL for Windows
OpenSSL: Openssl 0.9.8
To use openssl on Windows, unzip it to C:\Openssl
Open Command promt and move to Openssl\bin folder:
cd C:\Openssl\bin
Or open Openssl\bin folder by Explorer, then hold Shift button and left click to space then choose Open windows command here (only apply to Windows Server 2012 or Windows 7 and above).
In case some command alert that can’t find the config file openssl.cnf:
you need to add -config C:\Openssl\bin\openssl.cnf (path to openssl.cnf) in your command like:
openssl req -sha256 -new -key C:\SSL\private.key -out C:\SSL\certreq.csr -config C:\Openssl\bin\openssl.cnf
SHA256 hotfix for Windows XP and Windows Server 2003
Windows XP and Windows Server 2003 doesn’t support SHA256 by default. Microsoft then release an update for Windows XP and Windows Server 2003 to compatible with SHA256, you can download here:
Windows XP: https://hotfixv4.trafficmanager.net/Windows%20XP/sp4/Fix251294/2600/free/375554_ENU_i386_zip.exe
Windows Server 2003 (32 bits): https://hotfixv4.trafficmanager.net/Windows%20Server%202003/sp3/Fix262679/3790/free/375510_ENU_i386_zip.exe
Windows Server 2003 (64 bits): https://hotfixv4.trafficmanager.net/Windows%20Server%202003/sp3/Fix262679/3790/free/375531_ENU_x64_zip.exe