Here you can find our source code by version

CycloneTCP, CycloneSSL, CycloneSSH, CycloneSTP, CycloneACME & CycloneCRYPTO are released as a single package. Both Open Source and Evaluation packages can be obtained from this page.

Open Source Version
(GPLv2 license)
Version 2.1.6 | ZIP ~208 MB
Evaluation Version
(90-day license)
Version 2.1.6 | ZIP ~208 MB
Commercial Version
(non-GPL license)
Customer Portal

CycloneBOOT is released in a separate package and can be obtained from CycloneBOOT product page.

Documentation & Source Code

If you want to browse the source tree instead of downloading, the complete source code and documentation are also available.

Release History

This section provides version history and main changes.

2.1.6May 31, 2022Open | Eval
  • Reworked LLMNR and mDNS responders to support multiple IPv4 addresses per interface
  • Added dhcpClientRelease() API to the DHCP client
  • Added drivers for DP83867 and DP83869 Gigabit Ethernet PHYs
  • Fixed silicon errata ETH#2 in Tiva TM4C129 Ethernet driver
  • Added parsing routines for OpenSSH private keys (CycloneSSH)
  • Support for certificate-based authentication using OpenSSH certificate format (CycloneSSH)
  • Added support for AEAD_AES_128_GCM and AEAD_AES_256_GCM encryption algorithms as per RFC 5647 (CycloneSSH)
  • Added support for SSH extension negotiation mechanism (RFC 8308)
  • Added support for Commercial National Security Algorithm (CNSA) suite cryptography (CycloneSSH)
  • Added support for i.MX RT1170 hardware cryptographic accelerator (CAAM peripheral)
  • Added support for STM32WB and STM32WL hardware cryptographic accelerators (TRNG, AES and PKA peripherals)
  • Added support for STM32L0 and STM32G4 hardware cryptographic accelerators (TRNG and AES peripherals)
  • Added support for Espressif ESP32-S3 and ESP32-C3 hardware cryptographic accelerators (TRNG, SHA, AES and RSA peripherals)
  • Added support for SAM E53 hardware cryptographic accelerator (TRNG, ICM, AES and PUKCC peripherals)
  • Reworked STM32F2/F4/F7/H7 hardware crypto drivers to improve performances of symmetric algorithms (DES, 3DES, AES, MD5, SHA-1, SHA-224 and SHA-256)
  • Migrated ESP32 examples to ESP-IDF 4.4
  • Added demo projects for ESP32-S3-DevKitC, ESP32-S3-DevKitM, ESP32-C3-DevKitC and ESP32-C3-DevKitM evaluation boards
2.1.4Feb. 2, 2022Open | Eval
  • Added LLDP implementation (IEEE 802.1AB). TX-only, RX-only and TX/RX modes are supported
  • LLDP-MED, IEEE 802.1 and IEEE 802.3 LLDP extensions
  • Support for LLDP-MIB database (remote configuration and monitoring of LLDP)
  • Added driver for Microchip LAN9353, LAN9354 and LAN9355 Ethernet switches (3-port 10/100 Ethernet switches)
  • Added MMD register read/write functions to DP83822, DP83825 and DP83826 PHY drivers
  • Added getaddrinfo, freeaddrinfo, getnameinfo and gethostname functions to BSD socket API
  • Added support for password change mechanism at server-side (CycloneSSH)
  • Added command history support to SSH shell server (using up/down arrows and page up/down keys)
  • Migrated ESP32 Wi-Fi and Ethernet drivers to ESP-IDF 4.3.x
  • Added demo projects for u-blox EVK-NINA-W102 and EVK-NINA-W106 Wi-Fi evaluation boards
  • Added SSH, SCP and SFTP demo projects for ESP32 and ESP32-S2 targets
  • Added support for Espressif ESP32 and ESP32-S2 hardware cryptographic accelerator (TRNG, SHA, AES and RSA peripherals)
  • Added support for Renesas RA2A1 hardware cryptographic accelerator (TRNG and AES peripherals)
2.1.2Nov. 15, 2021Open | Eval
  • Added RTOS abstraction layer for Azure RTOS ThreadX
  • Support for task creation with statically-allocated stack (FreeRTOS, CMSIS-RTOS2 and RTX ports)
  • Ethernet MAC driver for Microchip SAM9X60 (dual 10/100 Ethernet MAC)
  • Ethernet MAC driver for NXP i.MXRT1160 (ENET and ENET_1G instances)
  • Added support for session tickets at DTLS server side (CycloneSSL)
  • Added support for legacy MAC algorithms "hmac-sha1-96" and "hmac-md5-96" (CycloneSSH)
  • New callback mechanism to delegate signature generation/verification to a third-party hardware such as a secure element (CycloneSSH)
  • New callback mechanism to delegate ECDH key pair generation and shared secret calculation to a third-party hardware such as a secure element (CycloneSSH)
  • New callback mechanism to delegate X.509 signature generation/verification to a third-party hardware such as a secure element (CycloneCRYPTO)
  • Support for SAM D51 and SAM E54 hardware cryptographic accelerator (TRNG, ICM, AES and PUKCC peripherals)
  • Support for SAM E70 and SAM V71 hardware cryptographic accelerator (TRNG, ICM and AES peripherals)
  • Support for SAMA5D2, SAMA5D3 and SAM9X60 hardware cryptographic accelerator (TRNG, SHA, AES, TDES peripherals)
  • Support for PIC32MZ EF hardware cryptographic accelerator
  • Support for STM32L5 and STM32U5 hardware cryptographic accelerator (TRNG, HASH, CRYP and PKA peripherals)
  • Support for STM32MP1 hardware cryptographic accelerator (TRNG, HASH and CRYP peripherals)
  • Support for Renesas RA4M1 hardware cryptographic accelerator (SCE5 peripheral)
  • Support for Renesas RA4M3, RA6M4 and RA6M5 hardware cryptographic accelerator (SCE9 peripheral)
  • Support for Renesas Synergy S5D9 and S7G2 hardware cryptographic accelerator (SCE7 peripheral)
  • Support for Texas Instruments MSP432 E4 and Tiva TM4C129 hardware cryptographic accelerator (SHA/MD5, AES and DES peripherals)
  • Support for i.MX RT1020 TRNG peripheral
  • New demo projects for Renesas RA4M3-EK, RA6M1-EK, RA6M4-EK, RA6M5-EK and DK-S7G2 evaluation boards
  • New demo projects for STM32U5 target (Nucleo-U575ZI-Q, STM32U575I-EV and B-U585I-IOT02A evaluation boards)
2.1.0Jul. 23, 2021Open | Eval
  • Added IGMPv2 router and IGMP snooping implementations
  • Ethernet MAC drivers for Infineon TriCore TC2xx and TC3xx
  • Added driver for DP83826 Ethernet PHY
  • Added stop APIs for CoAP server, SNMP agent and TFT server
  • Added support for IP_TOS option (BSD socket API)
  • New callback mechanism for DHCP client that allows parsing/formatting of custom DHCP options
  • Removed SSL 3.0 support from CycloneSSL code base
  • Added support for Silabs EFM32GG11 hardware cryptographic accelerator (TRNG and CRYPTO peripherals)
  • Added support for NXP Kinetis K60, K64, K65, K66 and KV5x hardware cryptographic accelerator (TRNG and MMCAU peripherals)
  • Added support for NXP i.MX RT1050 and i.MX RT1060 hardware cryptographic accelerator (TRNG and DCP peripherals)
  • Added support for Renesas RA6M2 and RA6M3 hardware cryptographic accelerator (SCE7 peripheral)
  • Added support for Microchip/Atmel SAM L11 hardware cryptographic accelerator (TRNG and CRYA peripherals)
  • Added support for STM32F2/F4/F7/H7 hardware cryptographic accelerator (TRNG, HASH and CRYP peripherals)
  • Added support for STM32L4 hardware cryptographic accelerator (TRNG, HASH and AES peripherals)
  • Added TCP, TLS and SSH demo projects for MIMXRT1170-EVK evaluation board
2.0.4Apr. 2, 2021Open | Eval
  • Added support for TCP keep-alive mechanism
  • Ethernet MAC driver for i.MX RT1170 (ENET and ENET_1G instances)
  • Added support for i.MX RT1060 ENET2 instance
  • Modified Tiva TM4C129 and MSP432E4 driver to support external PHY or switch
  • Added driver for DP83825 Ethernet PHY
  • Added driver for KSZ8565, KSZ8567 and KSZ9896 Ethernet switches
  • Added support for PIC32MM, PIC32MK and PIC32MZ DA (PIC32MM USB Curiosity, PIC32MK MCM Curiosity, PIC32MZ DA Starter Kit and PIC32MZ DA Curiosity evaluation boards)
  • Added example projects for Renesas RA6 evaluation boards (EK-RA6M2, EK-RA6M3 and M13Design M13-RA6M3-EK)
  • Fixed client disconnection issue in WILC1000 driver (Soft-AP mode)
2.0.2Jan. 8, 2021Open | Eval
  • SCP client/server implementation (CycloneSSH)
  • Added support for EtM (Encrypt-then-MAC) encryption modes (CycloneSSH)
  • New SSH secure shell client and server examples
  • Added Ethernet MAC driver for Infineon XMC4400 and NXP LPC54018
  • Added support for Microchip KSZ9131 and Intel PEF7071 Gigabit Ethernet PHYs
  • Fixed ENC28J60 driver stability issue
2.0.0Nov. 5, 2020Open | Eval
  • New CycloneSSH product: SSHv2 client/server library
  • SFTP client/server implementation (part of CycloneSSH)
  • Added cSHAKE128 and cSHAKE256 XOF functions
  • Added KMAC128 and KMAC256 message authentication code
  • Added Trivium stream cipher
  • Support for Microchip LAN8770 Ethernet PHY (100Base-T1)
1.9.8Jul. 16, 2020Open | Eval
  • New CycloneACME product: ACME (Automatic Certificate Management Environment) client library
  • New CycloneSTP product: STP (Spanning Tree Protocol) and RSTP (Rapid Spanning Tree Protocol) implementations for bridges
  • Added support for BRIDGE-MIB (RFC 4188) and RSTP-MIB (RFC 4318) databases
  • CoAP server implementation (including support for DTLS-secured CoAP)
  • gethostbyname and inet_ntoa now conform to BSD API. Added gethostbyname_r and inet_ntoa_r (reentrant versions)
  • Added new socket APIs (socketSetDscp, socketSetVlanPcp and socketSetVlanDei) to assign DSCP, PCP and DEI per socket
  • Added Ethernet MAC driver for Renesas RA6M3
  • Added support for DP83630 Ethernet PHY
  • New Ethernet switches supported (Microchip KSZ8775, KSZ8795, KSZ9897 and Marvell 88E6060)
  • Added Wi-Fi driver for Silicon Labs WF200 chip
  • Added support for tickets at DTLS client side
  • Added TLS 1.3 integrity-only cipher suites (TLS_SHA256_SHA256 and TLS_SHA384_SH384)
  • Generation of X.509 certificates and CSRs with custom extensions
1.9.6Nov. 28, 2019Open | Eval
  • Added TLS support for FTP server (explicit and implicit TLS modes ares supported)
  • Support for IP_MULTICAST_TTL option (BSD sockets)
  • Added driver for NXP S32K148 Ethernet MAC
  • Added driver for Nuvoton M487 Ethernet MAC
  • Added driver for GigaDevice GD32F307 Ethernet MAC
  • Support for 100Base-T1 PHYs (TI DP83TC811 and NXP TJA1100/TJA1101)
  • Support for KSZ8864 Ethernet switch
  • Blowfish encryption algorithm
  • bcrypt and scrypt password hashing function
  • X.509 certification creation
  • X.509 CRL parsing and validation
  • CSR (Certificate Signing Request) parsing and creation
  • RSA key pair generation (supports SAMD51 and SAME54 PUKCC accelerator)
1.9.4July 19, 2019Open | Eval
  • Added HTTP/HTTPS client implementation
  • Support for Modbus/TCP security (TLS layer for Modbus/TCP client and server)
  • Added LLMNR client and responder implementation
  • Added support for IP_DONT_ROUTE flag
  • Added driver for STM32MP1 Gigabit Ethernet MAC
  • Added driver for Renesas S5D9 Ethernet MAC
  • Support for Realtek RTL8211F Ethernet PHY
  • Support for KSZ8563 Ethernet switch
  • Support for Gigabit Ethernet switches (KSZ9477, KSZ9563 and KSZ9893)
  • Added certificate verification callback (TLS stack)
  • Base64url encoding/decoding
  • PEM parsing of PKCS#8 public keys (DSA, ECDSA and EdDSA
  • Support for new evaluation boards: SAME70-Xplained-Ultra, SAMA5D3-EDS, LPCXpresso1769/CD and STM32MP157C-DK2
1.9.2April 2, 2019Open | Eval
  • The SMTP and SNTP clients have been redesigned to allow RTOS-less operation
  • Added enhanced features to SMTP client: Rich text (HTML) format, Multipart encoding and emails with attachements
  • Added loopback interface driver (supports IPv4 and IPv6 loopback addresses)
  • Support for multi-homed hosts and IP aliasing (multiple IPv4 addresses per interface)
  • Support for virtual interfaces (multiple MAC addresses per physical interface)
  • Added Ethernet driver for Silicon Labs EFM32 Giant Gecko 11
  • Added Ethernet driver for i.MX6UL (UltraLite) and i.MX6ULL
  • Support for i.MX RT1020, i.MX RT1060 and i.MX RT1064
  • Support for KSZ8463 Ethernet switch
  • Dropped support for TLS 1.3 draft versions
  • Added support for SAME54 public key accelerator (hardware acceleration of RSA, DSA, DH, ECDH and ECDSA)
1.9.0Nov. 30, 2018Open | Eval
  • Added support for TLS 1.3 (RFC 8446)
  • The FTP client has been redesigned to allow RTOS-less operation
  • Added support for LIST command (FTP client)
  • A public IP address can be configured when the FTP server is behind a NAT
  • Added support for gzip-encoded ressources (HTTP server)
  • Support for KSZ8863 Ethernet switch
  • Ethernet port multiplication using VLAN tagging (SMSC switches) or tail tagging (Micrel switches)
1.8.6Sept. 10, 2018Open | Eval
  • Added MQTT-SN client implementation
  • Added Modbus/TCP client implementation
  • Added Modbus/TCP server implementation
  • Support for VLAN (IEEE 802.1Q)
  • USB/RNDIS driver is made available in the the Open/Eval packages (for STM32 MCUs only)
  • Ethernet MAC driver for NXP MPC57xx series (PowerPC e200 core)
  • Ethernet MAC+PHY driver for TI MSP432 E4 series
  • Updated SAME70 Ethernet MAC driver to support revision B chips
  • Support for KSZ8794 Ethernet switch
  • Support for RSA-PSS signature scheme
  • Support for EdDSA signature scheme
  • Ed25519 and Ed448 elliptic curves (constant time implementation)
  • Support for FFDHE (Finite Field Diffie-Hellman Ephemeral)
  • Added support for TLS "Supported Versions" extension
  • Added support for TLS "Record Size Limit" extension (RFC 8449)
1.8.2March 30, 2018Open | Eval
  • CoAP client implementation (including support for DTLS-secured CoAP, Observe and Block-Wise transfers)
  • Support for TLS/DTLS Raw Public Keys (RPK)
  • Support for Curve25519 and Curve448 elliptic curves (constant time implementation)
  • Added RC2 block cipher
  • Added HKDF (HMAC-based Key Derivation Function)
  • Added support for SNMP-MPD-MIB database (RFC 3412)
  • Support for ESP8266 and ESP32-PICO-D4 Wi-Fi chips
  • Support for Octavo Systems OSD335x SiP (Sitara AM335x-based System-In-Package)
  • Ethernet driver for NXP LPC54608
  • Ethernet driver for Nuvoton NUC472
  • Ethernet driver for Renesas RX62N
  • Updated SAMV71 Ethernet MAC driver to support revision B chips
  • Support for new Ethernet PHYs (Atheros AR8035, IC+ IP101 and TI DP83640)
  • New Espressif evaluation boards supported (ESP32-DevKitC, ESP32-Pico-Kit and ESP32-Wrover-Kit)
  • New Nuvoton evaluation boards supported (NuTiny-SDK-NUC472 and NuMaker-PFM-NUC472)
  • New evaluation boards supported: NXP LPCXpresso54608 and Octavo OSD3358-SM-RED
  • Added PIC32 + WINC1500 Wi-Fi demo projects (PIC32MX470-Curiosity, PIC32MZ-EF-Curiosity and IoT-Ethernet-Kit)
  • Added STM32L4 + WILC1000 Wi-Fi demo projects running STM32L496G-Discovery + MikroElektronika WiFi 7 Click daughter board)
  • Added STM32F7 + WILC1000 Wi-Fi demo projects running STM32F723E-Discovery + MikroElektronika WiFi 7 Click daughter board)
  • Added PPP demo project for P-L496G-CELL01 board (2G/3G Cellular to Cloud Discovery Pack based on STM32L4 + Quectel UG96 modem)
1.8.0Dec. 12, 2017Open | Eval
  • Remote management of SNMP users and access rights: SNMP-USM-MIB (RFC 3414) and SNMP-VACM-MIB (RFC 3415)
  • Added support for SNMP-FRAMEWORK-MIB (RFC 3411) and SNMP-COMMUNITY-MIB (RFC 3584)
  • Ethernet driver for NXP i.MX RT1052 (600MHz Cortex-M7 core)
  • Ethernet driver for Atmel SAM E54
  • Support for Espressif ESP32 chipset (both Wi-Fi and Ethernet MAC interfaces)
  • Added support for DTLS 1.0 and 1.2 (Datagram Transport Layer Security)
  • Added support for TLS Extended Master Secret extension
  • Added support for TLS Max Fragment Length extension
  • Added PRESENT block cipher
  • Added BLAKE2b hash function (BLAKE2b-160, 256, 384 and 512)
  • Added BLAKE2s hash function (BLAKE2s-128, 160, 224 and 256)
  • Added XTS cipher mode
  • Added CMAC authentication code
  • Added GMAC authentication code
1.7.8May 31, 2017Open
  • Added support for CMSIS-RTOS2 FreeRTOS
  • TFTP client implementation
  • Added support for IP-neutral MIBs: IP-MIB (RFC 4293), TCP-MIB (RFC 4022) and UDP-MIB (RFC 4113)
  • Added support for IF-MIB (RFC 2863) and SNMPv2-MIB (RFC 3418)
  • SNMP Agent and companion MIBs fully comply with TAHI Phase-II conformance test suite
  • Added Ethernet driver for STM32H7xx
  • Support for DP83822 Ethernet PHY
  • Support for WINC1500 Wi-Fi controller
  • CycloneSSL supports ECC508A crypto element (ECC hardware accelerator + private key storage)
  • Added SHAKE128 and SHAKE256 XOF functions
  • Added Wi-Fi demo projects for SAMG55-Xplained-Pro board
  • Added demo projects for PIC32MX470 Curiosity and PIC32MZ EF Curiosity boards
1.7.6Jan. 30, 2017Open
  • Added support for CMSIS-RTOS2 (RTX v5)
  • WebSocket server implementation (with SSL/TLS support)
  • CycloneSSL API can be used in non-blocking mode
  • Support for PSK (Pre-Shared Key) TLS cipher suites
  • Added Ethernet driver for NXP LPC1780 (Cortex-M3 core)
  • Added Ethernet driver for Xilinx Zynq-7000 (Cortex-A9 core)
  • Added driver for Realtek RTL8211 Ethernet PHY
  • Support for Ethernet switches (KSZ8873, KSZ8895 and LAN9303)
  • Support for Microchip IoT Ethernet Kit (PIC32MZ device)
  • Support for ST Nucleo-144 boards (Nucleo-F207ZG, Nucleo-F429ZI and Nucleo-F746ZG)
  • Support for STM32469I-EVAL and STM32F769I-EVAL evaluation boards
1.7.4Sept. 12, 2016Open
  • MQTT client (supports TCP, SSL/TLS, WebSocket and secure WebSocket transport)
  • WebSocket client implementation (with SSL/TLS support)
  • TFTP server
  • Support for IPv6 over PPP (IPV6CP)
  • Added Ethernet driver for Freescale Kinetis KV65/KV66
  • Support for Rapid Commit option (DHCP and DHCPv6 clients)
  • Support for ChaCha20Poly1305 TLS cipher suites
  • ChaCha encryption algorithm
  • Poly1305 message-authentication code
  • Keccak sponge function
  • SHA-3 hash (SHA3-224, SHA3-256, SHA3-384 and SHA3-512)
  • New evaluation boards supported (TWR-K64F220M and FRDM-K66F)
1.7.2April 25, 2016Open
  • Secure FTPS client (with implicit and explicit security modes)
  • SNMP agent supports SNMPv3 (MD5/SHA-1 authentication and DES/AES privacy protocols available)
  • Full MIB-II implementation (system, interface, IP, ICMP, UDP, TCP and SNMP statistics)
  • NewReno is now used as default TCP congestion algorithm (as replacement of legacy Reno algorithm)
  • Added Wi-Fi driver for Atmel WILC1000/WINC1500 chips
  • Added Wi-Fi driver for Broadcom BCM43362 chip
  • Added Wi-Fi driver for Microchip MRF24WG0MA/B modules
  • Added Ethernet driver for Atmel SAMA5D2 (Cortex-A5)
  • Added Ethernet driver for Freescale Kinetis KV5x (Cortex-M7)
  • Added Ethernet driver for Infineon XMC4700 and XMC4800
  • Added Ethernet driver for Renesas Synergy S7
  • New Wi-Fi demo projects for WILC1000 (the WINC1500-Xplained-Pro extension boards can be used on either SAM4S-Xplained-Pro, SAME70-Xplained or SAMV71-Xplained-Ultra boards)
  • New Wi-Fi demo projects for MRF24WG (MRF24WG0MA PICTail Plus daughter board or WI-Fi G Eval board)
  • New Wi-Fi demo project for BCM43362 (Broadcom BCM493362WCD4-EVB evaluation board)
  • Fixed DHCP server (wrong management of DHCP options)
  • Fixed FTP server (invalid file size issue with STOR command)
1.7.0Jan. 12, 2016Open
  • Added DHCP server
  • CycloneTCP complies with TAHI Phase-II conformance test suite (IPv6 hosts and routers)
  • mDNS/DNS-SD complies with BCT (Bonjour Conformance Test)
  • Changed thread model (the core of the TCP/IP stack now uses a single task)
  • Added Ethernet driver for TI Sitara AM335x (Gigabit Ethernet MAC)
  • Added Ethernet driver for OMAP-L138
  • Support for Atheros AR8031 Gigabit Ethernet PHY
  • Added PCAP driver to run the TCP/IP stack directly on Windows/Linux
  • Added demo projects for STM32756G-EVAL board
  • Added demo projects for BeagleBone Black and AM335x Starter Kit
  • Fixed invalid management of receive queue while closing UDP sockets
  • Fixed wrong management of identifier fields (CHAP)
1.6.4August 3, 2015Open
  • New callback functions for DHCP client (link change, DHCP state change, configuration timeout)
  • Added support for SNMP traps (SNMP agent)
  • PPP authentication (PAP and CHAP)
  • Support for Segger embOS
  • Support for SYS/BIOS (TI-RTOS)
  • The core of the TCP/IP stack allows RTOS-less operation
  • Added driver for Atmel SAM V71 microcontrollers (Cortex-M7 core)
  • Added driver for STM32F7 microcontrollers (Cortex-M7 core)
  • Added driver for Freescale Kinetis K70 microcontrollers
  • Added driver for Freescale Coldfire V2 microcontrollers (MCF5225x)
  • Added driver for LPC2378 microcontrollers
  • Added driver for Spansion FM4 microcontrollers
  • Added driver for STR9 microcontrollers
  • Added driver for TI Concerto DSPs (FM28M35x)
  • Support for new Ethernet PHYs (LAN8710, LAN8742, KSZ8061, KSZ8091)
  • Support for ENC28J60 Ethernet controller
  • New evaluation boards (STM32F746G-Discovery, SAMV71-Xplained-Ultra, TWR-K70F120M, SK-FM4-176L-S6E2CC-ETH, STR-E912, TMDXCNCDH52C1)
1.6.0Jan. 26, 2015Open
  • Auto-IP (dynamic configuration of IPv4 link-local addresses)
  • DNS-SD (DNS-based service discovery)
  • PPP (Point-to-Point Protocol)
  • HTTP server now uses static resources
  • Support for KSZ8851 Ethernet controller (revision 3)
  • Support for Atmel SAMA4S-Xplained-Pro + Ethernet1-Xplained-Pro kit
1.5.0Sept. 16, 2014Open
  • NetBIOS responder and NetBIOS host name resolution
  • SNMP agent (v1 and v2c versions are supported)
  • Added driver for Atmel SAMA5D3 (Cortex-A5 w/ Gigabit Ethernet MAC)
  • Added driver for Atmel AVR32 UC3A microcontrollers
  • Support for Micrel KSZ9031 Gigabit Ethernet PHY
  • New RTOS abstraction layer supporting FreeRTOS, ChibiOS, CMSIS-RTOS, Keil RTX and Micrium µC/OS-III
  • Added MP3 Internet radio demo for RSK+RZ/A1 board
  • Support for Atmel SAMA5D3-Xplained kit
  • Support for Atmel EVK1105 evaluation kit
  • Fast software AES implementation
1.4.4June 4, 2014Open
  • HTTP basic and digest authentication schemes
  • HTTP over SSL/TLS is now supported (HTTPs server)
  • Raw sockets can send/receive packets at Ethernet level
  • Added driver for Renesas RZ/A1 (Cortex-A9 MPU)
  • Added driver for Microchip PIC32MZ microcontrollers
  • Added driver for Freescale Kinetis K64 microcontrollers
  • Added driver for STM32F429 and STM32F439 microcontrollers
  • Added driver for ENC424J600 and ENC624J600 Ethernet controllers
  • Added driver for Micrel KSZ8851 Ethernet controllers
  • Support for Micrel KSZ8081 Ethernet PHY
  • Support for Renesas uPC60611 Ethernet PHY
  • Support for SMSC LAN8740 Ethernet PHY
  • New CooCox IDE examples for STM32F4-Discovery evaluation board
  • Support for Freescale FRDM-K64F evaluation board
  • New SSL and SMTP project examples for PIC32MX
  • Support for Microchip PIC32MZ EC starter kit
  • Support for STM32F4x9I-EVAL evaluation board
  • Support for Renesas RSK+RZ/A1 and ArchiTech Hachiko evaluation boards
1.4.2March 19, 2014Open
  • File system support (HTTP server)
  • User configurable home directory (FTP server)
  • Added driver for Microsemi (formerly Actel) SmartFusion
  • Added driver for Microsemi SmartFusion2
  • Support for Microsemi A2F-EVAL-KIT-2 evaluation board
  • Support for Microsemi SF2-STARTER-KIT-ES-2 evaluation board
  • Added SSL client and SSL server demo projects
  • Added support for Elliptic Curve Cryptography (ECC)
1.4.1Jan. 16, 2014Open
  • Added SNTP client
  • Added mDNS client and responder
  • Improved DNS client (DNS cache, support for multiple DNS servers)
  • Added driver for Renesas RX63N
  • Added driver for TI Tiva C series (TM4C129X)
  • Support for Renesas YRDKRX63N evaluation board
  • Support for TI DK-TM4C129X evaluation board
  • Added IAR EWARM demo projects for STM32-based evaluation boards
  • Fixed interoperability issue between FTP server and Windows Explorer
1.4.0Nov. 27, 2013Open
  • Added FTP server
  • Added driver for ST802RT1A Ethernet PHY transceiver
  • Support for Keil MCBSTM32F400 evaluation board
  • Added FTP server demo projects for STM32F4-DISCOVERY and MCBSTM32F400 evaluation boards
  • New RTOS abstraction layer
  • Socket buffer size can be configured dynamically
  • Customizable GPIO configuration for Ethernet MAC drivers
1.3.8Oct. 7, 2013Open
  • Added driver for Atmel SAM4E microcontrollers
  • Added driver for Freescale Kinetis K60 microcontrollers
  • Added driver for Infineon XMC4500 microcontrollers
  • Added driver for Microchip PIC32MX microcontrollers
  • Added driver for NXP LPC1800 and LPC4300 series microcontrollers
  • Support for Micrel KSZ8031 and KSZ8041 Ethernet PHYs
  • Added demo projects for newly supported devices
  • Improved support for out-of-order TCP packets
1.3.5Sept. 2, 2013Open
  • Support for Davicom DM9000 Ethernet controller
  • Added Web server demo project for SAM7SE-EK evaluation board
  • getHostByName function prototype has been extended
1.3.4Aug. 12, 2013Open
  • Added driver for Atmel SAM3X microcontrollers
  • Added Keil MDK-ARM and Atmel Studio 6 demo projects from SAM3X-EK evaluation board
1.3.3Aug. 5, 2013Open
  • Added driver for Stellaris LM3S6965 microcontrollers
  • Support for SMSC LAN8720 Ethernet PHY
  • Added FTP client demo project for EK-LM3S6965 evaluation board
  • Added HTTP client demo project for STM32F4-DISCOVERY board
1.3.2July 12, 2013Open
  • Added driver for Atmel SAM7X and SAM9263 microcontrollers
  • Added driver for NXP LPC1700 series Cortex-M3 microcontrollers
  • Added Keil MDK-ARM demo projects for each supported device
1.3.1June 17, 2013Open
  • CycloneSSL and CycloneCRYPTO are released as open source software
  • Added STM32F107 and STM32F407 drivers
  • Support for Davicom DM9161 Ethernet PHY
  • Support for Micrel KSZ8051 and KSZ8721 Ethernet PHYs
  • Fixed issue when reading TCP sockets in CLOSE-WAIT state
  • Added FTP client implementation
1.2.4Feb. 24, 2013Open
  • CycloneTCP is made available as open source software
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