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Everyware API RSA Encrypt JSON

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Demonstrates how to RSA encrypt JSON using everyware.com's RSA public key.

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Local $bSuccess = False

; This example assumes the Chilkat API to have been previously unlocked.
; See Global Unlock Sample for sample code.

; First build the JSON to be encrypted.
$oJson = ObjCreate("Chilkat.JsonObject")
$oJson.UpdateString("provider_key","USER GUID HERE")
$oJson.UpdateString("menu_item","payment")
$oDt = ObjCreate("Chilkat.CkDateTime")
$oDt.SetFromCurrentSystemTime()
$oJson.UpdateString("date_time",$oDt.GetAsUnixTimeStr(False))

; This build JSON like the following:

; {
;     "provider_key": "USER GUID HERE",
;     "menu_item": "payment",
;     "date_time": "1588163411"
; }

; When we sign, we'll want to sign the most compact JSON possible
$oJson.EmitCompact = True

; Everyware's RSA public key is at:  https://docs.everyware.com/docs/everyware-public-rsa-key
$oSb = ObjCreate("Chilkat.StringBuilder")
Local $bCrlf = True
$oSb.AppendLine("-----BEGIN PUBLIC KEY-----",$bCrlf)
$oSb.AppendLine("MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxNbflxUSWQ3XJ1N9dAoh",$bCrlf)
$oSb.AppendLine("k+uaiFsg3wkPi9LGS/mH8DtHBgZxKyz+oQBDtnDd9FDEo0ql7MMgCMsTAv27W5vk",$bCrlf)
$oSb.AppendLine("Pu0rm6zhcTeYquWEuVCS7VtVsyTATr0Z9WhqNeZlIRurovJAXl2jRDX6QeY5dayC",$bCrlf)
$oSb.AppendLine("ubwyG4lBWE4fCakGY6zlh+oaElK0rvblqjYoEg3dn4KPRCYGof8OFxLptHThD4cE",$bCrlf)
$oSb.AppendLine("T30j+utVafhO0HRyJ4iR3Pigb4GXdWBtJEEEWddZJizMkjFQkyUAoYLOT8EJ2TW3",$bCrlf)
$oSb.AppendLine("Tz8SvAuHBUEFcPWTSTMAG/bSp5wrYBTXaeEhx+wrYa60OruHuzgmhzKyQVuYlCNJ",$bCrlf)
$oSb.AppendLine("HdbnassuIRjjSNo25o4AdSlWwpGfBZjAiyEInR+KGpHdhKTxSekJxiwiXUS0UfSG",$bCrlf)
$oSb.AppendLine("prOpd5PzWaAR7DvjLsdmR9XffxvJCVxC735gLK7hDJKjCajDPHVDr8FSL8xMlrq0",$bCrlf)
$oSb.AppendLine("nKxtsHeRl1yzoGrRr12+9MiQnHtpqROTNXcXdwe3v+Vh8V5k8v8oIrcgh1+/N7Bd",$bCrlf)
$oSb.AppendLine("NiRsy1gFHBdu/he/KcDRT/9/acQFMPLQueGfZxUvU5As6pEONjtKX2MUg2fMF6Rc",$bCrlf)
$oSb.AppendLine("sQVVrLzg0g7EcuHGfuPeKfD/716MvS8NU7rX+2soijCSQv/e18PJPMVDlcMXjnup",$bCrlf)
$oSb.AppendLine("PPx1tStemesavFlj1okhS6UCAwEAAQ==",$bCrlf)
$oSb.AppendLine("-----END PUBLIC KEY-----",$bCrlf)

$oPubkey = ObjCreate("Chilkat.PublicKey")
$bSuccess = $oPubkey.LoadFromString($oSb.GetAsString())
If ($bSuccess = False) Then
    ConsoleWrite($oPubkey.LastErrorText & @CRLF)
    Exit
EndIf

$oRsa = ObjCreate("Chilkat.Rsa")
$bSuccess = $oRsa.UsePublicKey($oPubkey)
If ($bSuccess = False) Then
    ConsoleWrite($oRsa.LastErrorText & @CRLF)
    Exit
EndIf

; We probably need a base64Url encoded encrypted key.
; Using straight-up base64 would potenially include chars that are not URL safe (i.e. have special meanings in URLs)
$oRsa.EncodingMode = "base64url"

Local $sEncryptedJson = $oRsa.EncryptStringENC($oJson.Emit(),False)

; Build the URL
; Such as:  https://portal.everyware.com/Account/LoginMenu?data={Base64Url_encrypted_JSON}
$oSbUrl = ObjCreate("Chilkat.StringBuilder")
$oSbUrl.Append("https://portal.everyware.com/Account/LoginMenu?data=")
$oSbUrl.Append($sEncryptedJson)

ConsoleWrite($oSbUrl.GetAsString() & @CRLF)