HTTPS is not only an encryption format - it is a transport security protocol with built-in built-in negotiation. Just as you are not trying to create an HTTP client component in VBScript, in the same way you will not try to create an HTTPS / SSL client.
VBScript HTTP HTTPS-, Windows COM-, ( Windows Script Host ASP-, VBScript), VBScript, Explorer , HTTPS-.
(WSH/ASP) MSXML2.ServerXmlHTTP, , . : http://www.developerfusion.com/article/3272/posting-form-data-to-a-web-page/2/
Internet Explorer, , XMLHttpRequest -. : http://www.jibbering.com/2002/4/httprequest.html
HTTP- HTTPS.