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VBScript Examples

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(VBScript) 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.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
Set outFile = fso.CreateTextFile("output.txt", True)

'  Imagine we have this JWK:

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

set sbJwk = CreateObject("Chilkat_9_5_0.StringBuilder")
success = sbJwk.LoadFile("qa_data/jwk/simple_jwk_rsa.json","utf-8")
If (success <> 1) Then
    outFile.WriteLine("Failed to load simple JWK file.")
    WScript.Quit
End If

'  Loading it into a Chilkat public key object is easy:
set pubkey = CreateObject("Chilkat_9_5_0.PublicKey")
success = pubkey.LoadFromString(sbJwk.GetAsString())
If (success <> 1) Then
    outFile.WriteLine(pubkey.LastErrorText)
    WScript.Quit
End If

outFile.WriteLine("Simple JWK loaded into public key object.")

'  ----------------------------------------------------------------------------------------------------------
'  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"
'            }
'  }

set sbJwk2 = CreateObject("Chilkat_9_5_0.StringBuilder")
success = sbJwk2.LoadFile("qa_data/jwk/contained_jwk_rsa.json","utf-8")
If (success <> 1) Then
    outFile.WriteLine("Failed to load JWK file.")
    WScript.Quit
End If

'  Get the "jwk" part of the JSON..
set json = CreateObject("Chilkat_9_5_0.JsonObject")
success = json.Load(sbJwk2.GetAsString())

' jsonJwk is a Chilkat_9_5_0.JsonObject
Set jsonJwk = json.ObjectOf("jwk")
If (json.LastMethodSuccess <> 1) Then
    outFile.WriteLine("No jwk member exists.")
    WScript.Quit
End If

set pubkey2 = CreateObject("Chilkat_9_5_0.PublicKey")
success = pubkey2.LoadFromString(jsonJwk.Emit())
If (success <> 1) Then
    outFile.WriteLine(pubkey2.LastErrorText)
    WScript.Quit
End If

outFile.WriteLine("Contained JWK loaded into public key object.")


outFile.Close

 

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