B4X
B4X
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.
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Dim success As Boolean = False
Dim jwe As ChilkatJwe
jwe.Initialize
' 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 ChilkatJsonObject
header.Initialize
header.UpdateString("alg", "A256KW")
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
Log(jwe.LastErrorText)
Return
End If
Log("Protected header set.")