Solutionunvalidated
JWT implementations hash the header.payload bytes with SHA-256 to produce a fixed-length digest, then sign that digest; this keeps signatures smaller and makes signing/verifying efficient while preserving integrity.
4bd11885-e271-44e5-9dac-d2a9161759c9
JWT implementations hash the header.payload bytes with SHA-256 to produce a fixed-length digest, then sign that digest; this keeps signatures smaller and makes signing/verifying efficient while preserving integrity.