Latest Posts

  • uncategorized

    wolfSSL Renesas Support

    • wolfssladmin
    TLS 1.3 has some significant changes from TLS 1.2 in the ordering of handshake messages and this impacts performance. This is the fifth part of six blogs discussing the performance differences observed between TLS 1.2 and TLS 1.3 in wolfSSL and how to make the most of them in your...
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  • uncategorized

    wolfSSL Apache Mynewt port

    • wolfssladmin
    The wolfSSL embedded SSL/TLS library features many different ports, including one for Apache Mynewt. Apache Mynewt is a Real-Time Operating System (RTOS) that is used to build, deploy, and securely manage billions of devices. It is designed for IoT devices that have limited memory and storage and need to run...
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  • uncategorized

    wolfSSL Apache Port Coming Soon!

    • wolfssladmin
    wolfSSL provides the wolfSSL embedded SSL/TLS library, which is a fast, secure, and highly portable implementation of the SSL/TLS protocols. As part of being highly portable, the wolfSSL library is frequently being ported to various other software modules and devices for users to easily implement wolfSSL’s features. One of these...
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  • uncategorized

    wolfSSL and the Zombie POODLE and GOLDENDOODLE Attacks

    • wolfssladmin
    The wolfSSL library is NOT vulnerable to these attacks, thanks to previous fixes we’ve made and our extensive testing. These attacks were presented by Craig Young at BlackHat Asia 3/29/2019 (slides). Both attacks target the MAC and Padding used for TLS v1.2 with AES CBC cipher suites. TLS padding occurs...
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  • uncategorized

    TLS 1.3 Performance Analysis – Server Pre-Generation

    • wolfssladmin
    TLS 1.3 has some significant changes from TLS 1.2 that are targeted at performance. This is the fourth part of six blogs discussing the performance differences observed between TLS 1.2 and TLS 1.3 in wolfSSL and how to make the most of them in your applications. This blog discusses the...
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  • uncategorized

    TLS 1.3 Performance Analysis – Pre-Shared Key (PSK)

    • wolfssladmin
    TLS 1.3 has a different handshake flow when using pre-shared keys and this impacts performance. This is the third part of six blogs discussing the performance differences observed between TLS 1.2 and TLS 1.3 in wolfSSL and how to make the most of them in your applications. This blog discusses...
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  • uncategorized

    Differences between TLS 1.2 and TLS 1.3 (#TLS13)

    • wolfssladmin
    wolfSSL’s embedded SSL/TLS library has included support for TLS 1.3 since early releases of the TLS 1.3 draft. Since then, wolfSSL has remained up-to-date with the TLS 1.3 specification. In this post, the major upgrades of TLS 1.3 from TLS 1.2 are outlined below: TLS 1.3 This protocol is defined...
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  • uncategorized

    OpenSSL Compatibility Layer Expansion

    • wolfssladmin
    Recently, wolfSSL released version 4.0.0 of the wolfSSL embedded SSL/TLS library. This new version includes many new port/feature additions, maintenance updates, and a couple bug fixes. Among those new feature additions includes multiple new API added to wolfSSL’s OpenSSL compatibility layer! The compatibility layer is a series of commonly used...
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