Latest Posts

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    wolfSSL JNI 1.3.0 Released

    Version 1.3.0 of wolfSSL JNI is now available for download. wolfSSL JNI provides Java applications with a convenient Java API to the widely-used wolfSSL embedded SSL/TLS library, including support for TLS 1.2 and DTLS 1.2.Release 1.3.0 has bug fixes and new features including: - Updated support to wolfSSL 3.7.0 -...
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    User Crypto Modules

    wolfSSL has a new feature to allow for users to plug in their own crypto for RSA if they so choose. This is a great feature for students looking to test their own RSA operations in a SSL/TLS connection or for those wanting to see if they can speed up...
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    wolfMQTT v0.3 and MQTT Secure Firmware Update Example

    The wolfMQTT v0.3 release adds a new example for secure firmware update. This example uses the wolfSSL embedded SSL/TLS library to hash/sign the binary image and send it over MQTT. The example has two applications. One is called fwpush, which hashes, signs and publishes the firmware image over TLS to...
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    What’s up with TLS 1.3?

    We are receiving questions on TLS 1.3 with greater frequency during the last 6 months. This note is intended to answer those questions and make clear our positions on TLS 1.3, so here are our thoughts:1. We intend to have an implementation of TLS 1.3 available when the specification goes...
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    New wolfMQTT Client Library

    wolfSSL has released version 0.2 of the wolfMQTT client library. This addition to the wolfSSL product portfolio provides a Pub/Sub client for use in M2M and IoT. The wolfMQTT client library is written in C and was built from the ground up to be multi-platform, space conscience and extensible.Features- Built from scratch...
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    Digital Signature Algorithm (DSA) Support in wolfSSL

    Did you know that the wolfSSL embedded SSL/TLS library has support for the Digital Signature Algorithm (DSA)? Many of us in security are familiar with Ron Rivest, Adi Shamir, and Leonard Adleman (RSA). DSA is a public key operation like RSA. When using keys of the same length RSA and...
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    ChaCha20 and Poly1305 in wolfSSL

    Have you heard about the recent ChaCha20-Poly1305 AEAD supported by wolfSSL embedded SSL/TLS and are wondering how secure it is? Its comprised of two ciphers: ChaCha20 and Poly1305, designed to be constant time, making it naturally resistant to timing attacks. The AEAD is being used by many notable companies that...
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    wolfSSL Release 3.7.0

    wolfSSL has a new release out, version 3.7.0. In this release we have added features and bug fixes to the wolfSSL embedded SSL/TLS library and further increased its ease of use on platforms in the realm of IoT, with the addition of a Rowley Crossworks example. Along with additions for...
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    MQTT with wolfSSL

    MQTT (Message Queuing Telemetry Transport) is a light weight open messaging protocol that was developed for constrained environments such as M2M (Machine to Machine) and IoT (Internet of Things), where a small code footprint is required. MQTT is based on the Pub/Sub messaging principle of publishing messages and subscribing to topics. The protocol efficiently...
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