338     bytevec protParms = protectedParams.add(ALGORITHM, ES256).canonicalize().encode();  in constructECDSACoseSign1()  local
339     auto signature = createECDSACoseSign1Signature(key, protParms, payload, aad);  in constructECDSACoseSign1()
343         .add(std::move(protParms))  in constructECDSACoseSign1()
351     bytevec protParms = protectedParams.add(ALGORITHM, EDDSA).canonicalize().encode();  in constructCoseSign1()  local
352     auto signature = createCoseSign1Signature(key, protParms, payload, aad);  in constructCoseSign1()
356         .add(std::move(protParms))  in constructCoseSign1()
514     auto& protParms = recipient->asArray()->get(0);  in getSenderPubKeyFromCoseEncrypt()  local
515     if (!protParms || !protParms->asBstr()) return "Invalid protected params";  in getSenderPubKeyFromCoseEncrypt()
516     auto [parsedProtParms, _, errMsg] = cppbor::parse(protParms->asBstr());  in getSenderPubKeyFromCoseEncrypt()
582     auto& protParms = coseEncrypt->asArray()->get(kCoseEncryptProtectedParams);  in decryptCoseEncrypt()  local
587     if (!protParms || !protParms->asBstr() || !unprotParms || !ciphertext || !recipients) {  in decryptCoseEncrypt()
591     auto [parsedProtParams, _, errMsg] = cppbor::parse(protParms->asBstr()->value());  in decryptCoseEncrypt()
617                    .add(protParms->asBstr()->value())  // Protected  in decryptCoseEncrypt()