Embedded TLS Library for Applications, Devices, IoT, and the Cloud. Providing secure communication for IoT, smart grid, connected home, automobiles, routers, applications, games, IP, mobile phones and more.

wolffSSL Introduction

The wolfSSL library is a lightweight SSL/TLS library written in ANSI C and targeted for embedded, RTOS, and resource-constrained environments, primarily because of its small size, speed, and feature set. It is commonly used in standard operating environments as well because of its royalty-free pricing and excellent cross-platform support. wolfSSL supports industry standards up to the current TLS 1.3 and DTLS 1.2 levels, is up to 20 times smaller than OpenSSL, and offers progressive ciphers such as ChaCha20, Curve25519, NTRU, Blake2b, and SHA-3 (Keccak). User benchmarking and feedback reports dramatically better performance when using wolfSSL over OpenSSL.

wolfSSL is powered by the wolfCrypt library. wolfCrypt is FIPS 140-2 Level 1 validated, with certificates #2425 and #3389.

For additional information, visit our FIPS FAQ page or contact fips@wolfssl.com.

wolfSSL is built for maximum portability, and is generally very easy to compile on new platforms. If your desired platform is not currently supported, please contact wolfSSL.

wolfSSL supports the C programming language as a primary interface. It also supports several other host languages, including Java (wolfSSL JNI), C# (wolfSSL C#), Python (wolfSSL Python), and PHP and Perl (through a SWIG interface). If you have interest in using wolfSSL in another programming language that it does not currently support, please contact wolfSSL at info@wolfssl.com.

wolfSSL Features

SSL 3.0 and TLS 1.0, 1.1, 1.2 and TLS 1.3! (client and server)
DTLS 1.0 and 1.2 support (client and server)
Minimum size of 20-100kb
Runtime memory usage between 1-36kb
OpenSSL compatibility layer
OCSP, OCSP Stapling, and CRL support
Multiple Hashing Functions: MD2, MD4, MD5, SHA-1, SHA-2 (SHA-256, SHA-224, SHA-384, SHA-512), SHA-3 (Keccak), BLAKE2b, RIPEMD-160, Poly1305
Block and Stream Ciphers: AES (CBC, CTR, GCM, CCM, GMAC, CMAC), Camellia, DES, 3DES, IDEA, ARC4, RABBIT, HC-128, ChaCha20
Public Key Options: RSA, DSS, DH, EDH, ECDH-ECDSA, ECDHE-ECDSA, ECDH-RSA, ECDHE-RSA, NTRU
Password-based Key Derivation: HMAC, PBKDF2, PKCS#5
Curve25519 and Ed25519
ECC and RSA Key Generation
X.509v3 RSA and ECC Signed Certificate Generation
Mutual authentication support (client/server)
PSK (Pre-Shared Keys)
Simple API
Persistant session and certificate cache
PEM and DER certificate support
Certificate Manager
Hardware crypto support: Intel AES-NI, AVX1/2, RDRAND, RDSEED, SGX, Cavium NITROX, Intel QuickAssist, STM32F2/F4, NXP (CAU, mmCAU, SEC, LTC), Microchip PIC32MZ, ARMv8
SSL Sniffer (SSL Inspection) Support
MySQL integration
Much more…

wolfSSL Supported Chipmakers

wolfSSL has support for chipsets including ARM, Intel, Motorola, mbed, NXP/Freescale, Microchip/Atmel, STMicro, Analog Devices, Texas Instruments, and more. If you would like to use or test wolfSSL on another chipset or OS, let us know and we’ll be happy to
support you.

wolfSSL Supported Operating Environments

Win32/64, Linux, Mac OS X, Solaris, ThreadX, VxWorks, FreeBSD, NetBSD, OpenBSD, embedded Linux, WinCE, Haiku, PikeOS, OpenWRT, iPhone (iOS), Android, Nintendo Wii and Gamecube through DevKitPro, QNX, MontaVista, OpenCL, NonStop, TRON/ITRON/μITRON, Micrium's μC/OS, FreeRTOS, SafeRTOS, Freescale MQX, Nucleus, TinyOS, HP/UX, ARC MQX, TI-RTOS, uTasker, embOS, INtime, Mbed, uT-Kernel, RIOT, CMSIS-.

SSL/TLS in Qt: Introduction to wolfSSL

Links:

Partners: https://www.wolfssl.com/community/partner-network/

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