(Classic ASP) RSA Sign using Base64 Private Key

Signs a string using a non-encrypted RSA private key in base64 encoding. Returns the RSA signature as a base64 string.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
' This requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.PrivateKey")
set privKey = Server.CreateObject("Chilkat.PrivateKey")

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.StringBuilder")
set sbPem = Server.CreateObject("Chilkat.StringBuilder")
success = sbPem.AppendLine("-----BEGIN RSA PRIVATE KEY-----",1)
success = sbPem.AppendLine("MIIC .... j5A==",1)
success = sbPem.AppendLine("-----END RSA PRIVATE KEY-----",1)

success = privKey.LoadPem(sbPem.GetAsString())
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( privKey.LastErrorText) & "</pre>"
    Response.End
End If

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Rsa")
set rsa = Server.CreateObject("Chilkat.Rsa")

success = rsa.ImportPrivateKeyObj(privKey)
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( rsa.LastErrorText) & "</pre>"
    Response.End
End If

rsa.EncodingMode = "base64"
strSigned = rsa.OpenSslSignStringENC("12345678")
Response.Write "<pre>" & Server.HTMLEncode( strSigned) & "</pre>"

strOriginal = rsa.OpenSslVerifyStringENC(strSigned)
Response.Write "<pre>" & Server.HTMLEncode( strOriginal) & "</pre>"

%>
</body>
</html>