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wolfSSL

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wolfSSL
Developer(s)Todd Ouska
Initial releaseFebruary 19, 2006 (2006-02-19)[1]
Stable release5.6.4 (October 30, 2023; 9 months ago (2023-10-30)[2]) [±]
Repository
Written inC language
Operating systemMulti-platform
TypeSecurity library
LicenseGNU General Public License or Commercial Distribution License
Websitewww.wolfssl.com

wolfSSL (formerly CyaSSL or yet another SSL) is a small, portable, embedded SSL programming library targeted for use by embedded systems developers. It is an open source implementation of SSL (SSL 3, TLS 1.0, 1.1, 1.2, and DTLS 1.0 and 1.2) built in the C language. It includes SSL client libraries and an SSL server implementation as well as support for multiple API's, including those defined by SSL and TLS. CyaSSL also includes an OpenSSL compatibility interface with the most commonly used OpenSSL functions.[3]

Platforms

wolfSSL is currently available for Win32/64, Linux, Mac OS X, Solaris, FreeBSD, NetBSD, OpenBSD, embedded linux, Haiku, OpenWrt, iPhone, Android, Nintendo Wii and Gamecube through DevKitPro support, QNX, VxWorks, MontaVista, ThreadX, Tron variants, NonStop, OpenCL, Micrium's MicroC/OS-II, FreeRTOS, Freescale MQX, Nucleus, TinyOS, and TI-RTOS.

History

Today wolfSSL is used in both open source[4] and commercial[citation needed] projects. CyaSSL is included in many[citation needed] types of network devices such as smart devices on automobiles, IP phones, mobile phones, routers, printers, and credit card scanners.

Protocols

Main article: Transport Layer Security

The wolfSSL lightweight SSL library implements the following protocols:[5]

  • SSL 3.0, TLS 1.0, TLS 1.1, TLS 1.2
  • DTLS 1.0, DTLS 1.2

CyaSSL does not support SSL 2.0 as it is insecure.

Algorithms

CyaSSL uses the following cryptography libraries:

wolfCrypt

By default, wolfSSL uses the cryptographic services provided by wolfCrypt.[6] wolfCrypt Provides RSA, ECC, DSS, Diffie–Hellman, EDH, NTRU, DES, Triple DES, AES (CBC, CTR, CCM, GCM), Camellia, ARC4, HC-128, ChaCha20, MD2, MD4, MD5, SHA-1, SHA-2, BLAKE2, RIPEMD-160, Poly1305, Random Number Generation, Large Integer support, and base 16/64 encoding/decoding. An experimental cipher called Rabbit, a public domain stream cipher from the EU's eSTREAM project, is also included. Rabbit is potentially useful to those encrypting streaming media in high performance, high demand environments.

wolfCrypt acts as a back-end crypto implementation for several popular software packages and libraries, including MIT Kerberos[7] (where it can be enabled using a build option).

NTRU

CyaSSL+ includes NTRU[8] public key encryption. The addition of NTRU in CyaSSL+ was a result of the partnership between yaSSL and Security Innovation.[8] NTRU works well in mobile and embedded environments due to the reduced bit size needed to provide the same security as other public key systems. In addition, it's not known to be vulnerable to quantum attacks. Several cipher suites utilizing NTRU are available with CyaSSL+ including AES-256, RC4, and HC-128.

Product history

Milestones in CyaSSL development include:

  • wolfSSL version 3.4.0 was released on February 23, 2015
  • CyaSSL version 3.3.0 was released on December 5, 2014
  • CyaSSL version 3.2.0 was released on September 10, 2014
  • CyaSSL version 3.1.0 was released on July 14, 2014
  • CyaSSL version 3.0.0 was released on April 30, 2014
  • CyaSSL version 2.9.4 was released on April 09, 2014
  • ...
  • CyaSSL version 2.3.0 was released on August 10, 2012
  • CyaSSL version 2.2.0 was released on May 18, 2012
  • CyaSSL version 2.0.8 was released on February 24, 2012
  • CyaSSL version 2.0.0rc3 was released on September 28, 2011
  • CyaSSL version 1.9.0 was released on March 2, 2011
  • CyaSSL version 1.6.0 was released on August 27, 2010.
  • CyaSSL version 1.5.0 was released on May 11, 2010.
  • CyaSSL version 1.2.0 was released on November 2, 2009.
  • CyaSSL version 1.1.0 was released on September 2, 2009.
  • CyaSSL version 1.0.2 was released on April 2, 2009.
  • CyaSSL version rc3-1.0.0 was released on February 25, 2009.
  • CyaSSL version rc1-1.0.0 was released on December 17, 2008.

Licensing

wolfSSL is Open Source, licensed under the GNU General Public License GPLv2.[9]

Awards

2011 Tomorrow's Technology Today - Mobile Encryption[10]

See also

References

  1. ^ "CyaSSL ChangeLog".
  2. ^ "wolfSSL ChangeLog". 2023-10-31. Retrieved 2023-10-31.
  3. ^ wolfSSL: Products, OpenSSL Compatibility Layer
  4. ^ OSS Projects Ported to wolfSSL Products
  5. ^ wolfSSL: Algorithm and Protocol Reference
  6. ^ wolfCrypt
  7. ^ Kerberos: The Network Authentication Protocol
  8. ^ a b NTRU CryptoLabs
  9. ^ GNU License
  10. ^ 2011 Tomorrow's Technology Today - Mobile Encryption
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