(Classic ASP) Load JWK into PublicKey Object

Demonstrates how to load a Java Web Key (JWK) into a Chilkat public key object.

Note: This example requires Chilkat v9.5.0.66 or greater.

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ActiveX for 32-bit and 64-bit Windows

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<%
' Imagine we have this JWK:

' {
' "kty":"RSA",
' "kid":"bilbo.baggins@hobbiton.example",
' "use":"sig",
' "n":"26381066103266289976070039679240841999340706859156341823971393693544846472963839705790075117105560154606562987481050889935247188300178764426769543782451174831475924241862817098997865881169498995546309260357488285676768114714548754913374731868063116787903918383610614912211576698081222844057810710088656983077876282582286966085572172471849443305250452393766960762340311496052418952315081937000716222751229644449475751932222180738210988190709824209639002026650048655399108647971010890335494074025258268035713167380057822555485524738518699437692145859633592396626258745090144803752145540471688039673495588314804430463791",
' "e":"65537"
' }
' 

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.StringBuilder")
set sbJwk = Server.CreateObject("Chilkat.StringBuilder")
success = sbJwk.LoadFile("qa_data/jwk/simple_jwk_rsa.json","utf-8")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Failed to load simple JWK file.") & "</pre>"
    Response.End
End If

' Loading it into a Chilkat public key object is easy:
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.PublicKey")
set pubkey = Server.CreateObject("Chilkat.PublicKey")
success = pubkey.LoadFromString(sbJwk.GetAsString())
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( pubkey.LastErrorText) & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( "Simple JWK loaded into public key object.") & "</pre>"

' ----------------------------------------------------------------------------------------------------------
' Demonstrate how to load a JWK that is contained within JSON into a public key object.

' {
'   "alg":"RS256",
'   "jwk":  {
'           "kty":"RSA",
'           "kid":"bilbo.baggins@hobbiton.example",
'           "use":"sig",
'           "n":"26381066103266289976070039679240841999340706859156341823971393693544846472963839705790075117105560154606562987481050889935247188300178764426769543782451174831475924241862817098997865881169498995546309260357488285676768114714548754913374731868063116787903918383610614912211576698081222844057810710088656983077876282582286966085572172471849443305250452393766960762340311496052418952315081937000716222751229644449475751932222180738210988190709824209639002026650048655399108647971010890335494074025258268035713167380057822555485524738518699437692145859633592396626258745090144803752145540471688039673495588314804430463791",
'           "e":"65537"
'           }
' }

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.StringBuilder")
set sbJwk2 = Server.CreateObject("Chilkat.StringBuilder")
success = sbJwk2.LoadFile("qa_data/jwk/contained_jwk_rsa.json","utf-8")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( "Failed to load JWK file.") & "</pre>"
    Response.End
End If

' Get the "jwk" part of the JSON..
' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.JsonObject")
set json = Server.CreateObject("Chilkat.JsonObject")
success = json.Load(sbJwk2.GetAsString())

' jsonJwk is a Chilkat.JsonObject
Set jsonJwk = json.ObjectOf("jwk")
If (json.LastMethodSuccess <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( "No jwk member exists.") & "</pre>"
    Response.End
End If

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.PublicKey")
set pubkey2 = Server.CreateObject("Chilkat.PublicKey")
success = pubkey2.LoadFromString(jsonJwk.Emit())
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( pubkey2.LastErrorText) & "</pre>"
    Response.End
End If

Response.Write "<pre>" & Server.HTMLEncode( "Contained JWK loaded into public key object.") & "</pre>"


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