239     auto macStructure = cppbor::Array()  in generateCoseMac0Mac()
241                             .add(cppbor::Map().add(ALGORITHM, HMAC_256).canonicalize().encode())  in generateCoseMac0Mac()
254 ErrMsgOr<cppbor::Array> constructCoseMac0(HmacSha256Function macFunction,  in constructCoseMac0()
259     return cppbor::Array()  in constructCoseMac0()
260         .add(cppbor::Map().add(ALGORITHM, HMAC_256).canonicalize().encode())  in constructCoseMac0()
261         .add(cppbor::Map() /* unprotected */)  in constructCoseMac0()
266 ErrMsgOr<bytevec /* payload */> verifyAndParseCoseMac0(const cppbor::Item* macItem,  in verifyAndParseCoseMac0()
281     auto [protectedMap, _, errMsg] = cppbor::parse(protectedParms);  in verifyAndParseCoseMac0()
306     bytevec signatureInput = cppbor::Array()  in createECDSACoseSign1Signature()
320     bytevec signatureInput = cppbor::Array()  in createCoseSign1Signature()
336 ErrMsgOr<cppbor::Array> constructECDSACoseSign1(const bytevec& key, cppbor::Map protectedParams,  in constructECDSACoseSign1()
342     return cppbor::Array()  in constructECDSACoseSign1()
344         .add(cppbor::Map() /* unprotected parameters */)  in constructECDSACoseSign1()
349 ErrMsgOr<cppbor::Array> constructCoseSign1(const bytevec& key, cppbor::Map protectedParams,  in constructCoseSign1()
355     return cppbor::Array()  in constructCoseSign1()
357         .add(cppbor::Map() /* unprotected parameters */)  in constructCoseSign1()
362 ErrMsgOr<cppbor::Array> constructCoseSign1(const bytevec& key, const bytevec& payload,  in constructCoseSign1()
367 ErrMsgOr<bytevec> verifyAndParseCoseSign1(const cppbor::Array* coseSign1,  in verifyAndParseCoseSign1()
373     const cppbor::Bstr* protectedParams = coseSign1->get(kCoseSign1ProtectedParams)->asBstr();  in verifyAndParseCoseSign1()
374     const cppbor::Map* unprotectedParams = coseSign1->get(kCoseSign1UnprotectedParams)->asMap();  in verifyAndParseCoseSign1()
375     const cppbor::Bstr* payload = coseSign1->get(kCoseSign1Payload)->asBstr();  in verifyAndParseCoseSign1()
381     auto [parsedProtParams, _, errMsg] = cppbor::parse(protectedParams);  in verifyAndParseCoseSign1()
396     const cppbor::Bstr* signature = coseSign1->get(kCoseSign1Signature)->asBstr();  in verifyAndParseCoseSign1()
403         cppbor::Array().add("Signature1").add(*protectedParams).add(aad).add(*payload).encode();  in verifyAndParseCoseSign1()
461                                     cppbor::Array()            // Enc strucure as AAD  in createCoseEncryptCiphertext()
472 ErrMsgOr<cppbor::Array> constructCoseEncrypt(const bytevec& key, const bytevec& nonce,  in constructCoseEncrypt()
474                                              cppbor::Array recipients) {  in constructCoseEncrypt()
475     auto encryptProtectedHeader = cppbor::Map()  //  in constructCoseEncrypt()
484     return cppbor::Array()  in constructCoseEncrypt()
486         .add(cppbor::Map().add(IV, nonce).canonicalize())  // Unprotected  in constructCoseEncrypt()
492 getSenderPubKeyFromCoseEncrypt(const cppbor::Item* coseEncrypt) {  in getSenderPubKeyFromCoseEncrypt()
511                cppbor::prettyPrint(ciphertext.get());  in getSenderPubKeyFromCoseEncrypt()
516     auto [parsedProtParms, _, errMsg] = cppbor::parse(protParms->asBstr());  in getSenderPubKeyFromCoseEncrypt()
575 ErrMsgOr<bytevec> decryptCoseEncrypt(const bytevec& key, const cppbor::Item* coseEncrypt,  in decryptCoseEncrypt()
591     auto [parsedProtParams, _, errMsg] = cppbor::parse(protParms->asBstr()->value());  in decryptCoseEncrypt()
615     auto aad = cppbor::Array()                         // Enc strucure as AAD  in decryptCoseEncrypt()
630     bytevec kdfContext = cppbor::Array()  in consructKdfContext()
632                              .add(cppbor::Array()  // Sender Info  in consructKdfContext()
633                                       .add(cppbor::Bstr("client"))  in consructKdfContext()
636                              .add(cppbor::Array()  // Recipient Info  in consructKdfContext()
637                                       .add(cppbor::Bstr("server"))  in consructKdfContext()
640                              .add(cppbor::Array()               // SuppPubInfo  in consructKdfContext()