| 2.0.2 | Jan. 8, 2021 | Open | 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
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| 2.0.0 | Nov. 5, 2020 | Open | 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)
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| 1.9.8 | Jul. 16, 2020 | Open | 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
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| 1.9.6 | Nov. 28, 2019 | Open | 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)
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| 1.9.4 | July 19, 2019 | Open | 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
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| 1.9.2 | April 2, 2019 | Open | 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)
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| 1.9.0 | Nov. 30, 2018 | Open | 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)
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| 1.8.6 | Sept. 10, 2018 | Open | 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)
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| 1.8.2 | March 30, 2018 | Open | 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)
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| 1.8.0 | Dec. 12, 2017 | Open | 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
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| 1.7.8 | May 31, 2017 | Open | - 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
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| 1.7.6 | Jan. 30, 2017 | Open | - 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
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| 1.7.4 | Sept. 12, 2016 | Open | - 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)
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| 1.7.2 | April 25, 2016 | Open | - 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)
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| 1.7.0 | Jan. 12, 2016 | Open | - 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)
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| 1.6.4 | August 3, 2015 | Open | - 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)
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| 1.6.0 | Jan. 26, 2015 | Open | - 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
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| 1.5.0 | Sept. 16, 2014 | Open | - 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
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| 1.4.4 | June 4, 2014 | Open | - 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
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| 1.4.2 | March 19, 2014 | Open | - 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)
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| 1.4.1 | Jan. 16, 2014 | Open | - 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
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| 1.4.0 | Nov. 27, 2013 | Open | - 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
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| 1.3.8 | Oct. 7, 2013 | Open | - 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
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| 1.3.5 | Sept. 2, 2013 | Open | - Support for Davicom DM9000 Ethernet controller
- Added Web server demo project for SAM7SE-EK evaluation board
- getHostByName function prototype has been extended
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| 1.3.4 | Aug. 12, 2013 | Open | - Added driver for Atmel SAM3X microcontrollers
- Added Keil MDK-ARM and Atmel Studio 6 demo projects from SAM3X-EK evaluation board
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| 1.3.3 | Aug. 5, 2013 | Open | - 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
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| 1.3.2 | July 12, 2013 | Open | - 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
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| 1.3.1 | June 17, 2013 | Open | - 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
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| 1.2.4 | Feb. 24, 2013 | Open | - CycloneTCP is made available as open source software
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