Returns a new message with a signature's two members appended to its Signature-Input and Signature fields, as text, so bytes already signed do not change (RFC 9635 section 7.3.1.1). A label already present is refused.
the HTTP message
what sign() returned
sign()
{ ok: true, message }, or a refusal
{ ok: true, message }
Returns a new message with a signature's two members appended to its Signature-Input and Signature fields, as text, so bytes already signed do not change (RFC 9635 section 7.3.1.1). A label already present is refused.