B4X

Set the JWS Payload from a StringBuilder

See more JSON Web Signatures (JWS) Examples

Demonstrates Jws.SetPayloadSb, which sets the payload to be signed from a StringBuilder.

Background. JWS (JSON Web Signature) integrity-protects a payload with a signature or MAC. The header alg names the algorithm; this example uses HMAC-SHA256 (HS256) with a symmetric MAC key.

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Dim success As Boolean = False

Dim jws As ChilkatJws
jws.Initialize

'  Set the payload from a StringBuilder.
Dim sbPayload As ChilkatStringBuilder
sbPayload.Initialize
sbPayload.Append("This is the content to sign.")

Dim bIncludeBom As Boolean = False
success = jws.SetPayloadSb(sbPayload, "utf-8", bIncludeBom)
If success = False Then
    Log(jws.LastErrorText)
    Return
End If

Log("Payload set.")