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- Make it possible to transfer Strings containing null values via ESP-NOW and FloodingMesh.

- Add uint8ArrayToMultiString and bufferedUint8ArrayToMultiString TypeConversionFunctions to facilitate transfer of Strings containing null values.

- Add HKDF to CryptoInterface.

- Add ChaCha20 + Poly1305 AEAD to CryptoInterface.

- Add customizable nonce generator to CryptoInterface.

- Add ability to automatically encrypt/decrypt ESP-NOW messages via AEAD (ChaCha20 + Poly1305), independent from encrypted ESP-NOW connections.

- Greatly improve performance of incrementSessionKey, espnowGetMessageID, espnowSetMessageID and all non-template TypeConversionFunctions. The average performance increase is roughly a factor 5. Fun fact: Printing a MAC to a HEX String is now over twice as fast when using TypeConversionFunctions compared to using standard functionality like sprintf.

- Add uint64ToUint8Array and uint8ArrayToUint64 TypeConversionFunctions.

- Make it possible to use String values as ESP-NOW and FloodingMesh key seeds, instead of just requiring plain key arrays.

- Add customizable responseTransmittedHook to sendEspnowResponses.

- Add _responsesToSendMutex to make the new responseTransmittedHook safe to use.

- Remove verboseModePrinting from sendPeerRequestConfirmations method to reduce performance variations.

- Fix faulty messageID generation in FloodingMesh.

- Make assert checks more complete and easier to understand in the setMetadataDelimiter method of FloodingMesh.

- Rename EspnowEncryptionKey to EspnowEncryptedConnectionKey since there are now multiple encryption keys.

- Rename acceptsUnencryptedRequests to acceptsUnverifiedRequests, unencryptedMessageID to unsynchronizedMessageID, receivedEncryptedMessage to receivedEncryptedTransmission, since there are now multiple modes of encryption.

- Rename resultArrayLength to outputLength in CryptoInterface and remove its value restrictions in order to match the BearSSL functionality.

- Improve performance of FloodingMesh::encryptedBroadcast.

- Rename FloodingMesh methods maxUnencryptedMessageSize/maxEncryptedMessageSize to maxUnencryptedMessageLength/maxEncryptedMessageLength, so that String length naming is consistent within the library.

- Update examples to illustrate the new features.

- Improve comments.
This commit is contained in:
Anders
2019-12-04 02:30:16 +01:00
parent 2fef67dcb0
commit 962a23d253
20 changed files with 1202 additions and 318 deletions

View File

@ -39,7 +39,7 @@ namespace JsonTranslator
const String jsonNonce = "\"nonce\":";
const String jsonHmac = "\"hmac\":";
const String jsonDesync = "\"desync\":";
const String jsonUnencryptedMessageID = "\"unencMsgID\":";
const String jsonUnsynchronizedMessageID = "\"unsyncMsgID\":";
const String jsonMeshMessageCount = "\"meshMsgCount\":";
String createJsonPair(const String &valueIdentifier, const String &value);
@ -102,7 +102,7 @@ namespace JsonTranslator
bool getNonce(const String &jsonString, String &result);
bool getHmac(const String &jsonString, String &result);
bool getDesync(const String &jsonString, bool &result);
bool getUnencryptedMessageID(const String &jsonString, uint32_t &result);
bool getUnsynchronizedMessageID(const String &jsonString, uint32_t &result);
bool getMeshMessageCount(const String &jsonString, uint16_t &result);
}