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(PowerBuilder) 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

integer li_rc
oleobject loo_SbJwk
integer li_Success
oleobject loo_Pubkey
oleobject loo_SbJwk2
oleobject loo_Json
oleobject loo_JsonJwk
oleobject loo_Pubkey2

//  Imagine we have this JWK:

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

loo_SbJwk = create oleobject
li_rc = loo_SbJwk.ConnectToNewObject("Chilkat_9_5_0.StringBuilder")
if li_rc < 0 then
    destroy loo_SbJwk
    MessageBox("Error","Connecting to COM object failed")
    return
end if
li_Success = loo_SbJwk.LoadFile("qa_data/jwk/simple_jwk_rsa.json","utf-8")
if li_Success <> 1 then
    Write-Debug "Failed to load simple JWK file."
    destroy loo_SbJwk
    return
end if

//  Loading it into a Chilkat public key object is easy:
loo_Pubkey = create oleobject
li_rc = loo_Pubkey.ConnectToNewObject("Chilkat_9_5_0.PublicKey")

li_Success = loo_Pubkey.LoadFromString(loo_SbJwk.GetAsString())
if li_Success <> 1 then
    Write-Debug loo_Pubkey.LastErrorText
    destroy loo_SbJwk
    destroy loo_Pubkey
    return
end if

Write-Debug "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"
//            }
//  }

loo_SbJwk2 = create oleobject
li_rc = loo_SbJwk2.ConnectToNewObject("Chilkat_9_5_0.StringBuilder")

li_Success = loo_SbJwk2.LoadFile("qa_data/jwk/contained_jwk_rsa.json","utf-8")
if li_Success <> 1 then
    Write-Debug "Failed to load JWK file."
    destroy loo_SbJwk
    destroy loo_Pubkey
    destroy loo_SbJwk2
    return
end if

//  Get the "jwk" part of the JSON..
loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat_9_5_0.JsonObject")

loo_Json.Load(loo_SbJwk2.GetAsString())

loo_JsonJwk = loo_Json.ObjectOf("jwk")
if loo_Json.LastMethodSuccess <> 1 then
    Write-Debug "No jwk member exists."
    destroy loo_SbJwk
    destroy loo_Pubkey
    destroy loo_SbJwk2
    destroy loo_Json
    return
end if

loo_Pubkey2 = create oleobject
li_rc = loo_Pubkey2.ConnectToNewObject("Chilkat_9_5_0.PublicKey")

li_Success = loo_Pubkey2.LoadFromString(loo_JsonJwk.Emit())
if li_Success <> 1 then
    Write-Debug loo_Pubkey2.LastErrorText
    destroy loo_SbJwk
    destroy loo_Pubkey
    destroy loo_SbJwk2
    destroy loo_Json
    destroy loo_Pubkey2
    return
end if

Write-Debug "Contained JWK loaded into public key object."

destroy loo_JsonJwk


destroy loo_SbJwk
destroy loo_Pubkey
destroy loo_SbJwk2
destroy loo_Json
destroy loo_Pubkey2

 

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