NDN Arduino library for ESP8266 and more

esp8266ndn library enables Named Data Networking application development in Arduino environment. It supports ESP8266, ESP32, ESP32-S2, ESP32-C3, and Adafruit nRF52 microcontrollers.

• Doxygen documentation
• #esp8266ndn on Twitter for announcements
• GitHub Issues for bug reports and best-effort support

Features

Packet encoding and decoding

• Interest and Data
  • v0.3 format only
  • TLV evolvability: yes
  • forwarding hint: yes, limited to one name
• NDNLPv2
  • fragmentation and reassembly: yes, requires in-order delivery
  • Nack: partial
  • PIT token: yes
  • congestion mark: no
  • link layer reliability: no
• Signed Interest: v0.3 format
• Naming Convention: rev3 format

Transports

• Ethernet: unicast and multicast on ESP8266 and ESP32
• UDP/IPv4: unicast and multicast on ESP8266 and ESP32
• UDP/IPv6: unicast on ESP8266
• Bluetooth Low Energy: server/peripheral only on ESP32 and nRF52

KeyChain

• Crypto
  • SHA256: yes (using BearSSL on ESP8266, Mbed TLS on ESP32, Cryptosuite on nRF52)
  • ECDSA: P-256 curve only (using Mbed TLS on ESP32, micro-ecc on ESP8266 and nRF52)
  • HMAC-SHA256: yes (using BearSSL on ESP8266, Mbed TLS on ESP32, Cryptosuite on nRF52)
  • RSA: no
  • Ed25519: no
  • Null: yes
• NDN certificates: basic support
• Persistent key and certificate storage: binary files
  • ESP8266: using LittleFS
  • ESP32: using FFat (in Arduino Tools menu select "Partition Scheme: with FAT")
  • nRF52: using InternalFileSystem
• Trust schema: no

Application layer services

• ndnping server and client
• segmented object producer and consumer
• Realtime Data Retrieval (RDR) metadata producer and consumer
• NDNCERT server and client
  • ESP32 only
  • supported challenges: "nop" and "possession"
• NDN-FCH client for connecting to the global NDN testbed and other connected networks
  • ESP8266 and ESP32 only
• UnixTime client for time synchronization

Installation

1. Clone NDNph and this repository under $HOME/Arduino/libraries directory.
2. Add #include <esp8266ndn.h> to your sketch.
3. Check out the examples for how to use.