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Xojo Plugin

Set the JWE Protected Header

See more JSON Web Encryption (JWE) Examples

Demonstrates Jwe.SetProtectedHeader, which sets the integrity-protected JWE header from a JsonObject. The header specifies the key-management algorithm (alg) and content-encryption algorithm (enc).

Background. The protected header is integrity-protected and applies to all recipients. It is configured before encrypting.

Chilkat Xojo Plugin Downloads

Xojo Plugin
Dim success As Boolean
success = False

Dim jwe As New Chilkat.Jwe

//  Build the JWE protected header.  The "alg" member names the key-management algorithm and the "enc"
//  member names the content-encryption algorithm.
Dim header As New Chilkat.JsonObject
success = header.UpdateString("alg","A256KW")
success = header.UpdateString("enc","A256GCM")

//  Set the protected header on the JWE.  The protected header is integrity-protected and applies to
//  all recipients.
success = jwe.SetProtectedHeader(header)
If (success = False) Then
    System.DebugLog(jwe.LastErrorText)
    Return
End If

System.DebugLog("Protected header set.")