Latest Posts

  • uncategorized

    wolfSSL FAQ page

    The wolfSSL FAQ page can be useful for information or general questions that need need answers immediately. It covers some of the most common questions that the support team receives, along with the support team’s responses. It’s a great resource for questions about wolfSSL, embedded TLS, and for solutions to...
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  • uncategorized

    wolfSSL Embedded SSL for Bare Metal and No OS Environments

    Are you looking for an SSL/TLS library which will seamlessly integrate into your bare metal or No-OS environment? If so, continue reading to learn why the wolfSSL lightweight SSL library is a perfect fit for such environments. wolfSSL has been designed with portability and ease of use in mind, allowing...
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  • support uncategorized

    Certificate Signing Request (CSR) generation with wolfSSL

    Over the past year we have had multiple inquiries regarding Certificate Signing Request (CSR) generation from users looking to programatically generate a CSR using wolfSSL. To better assist our users with this feature we have setup a ready-made example in our GitHub examples repository and we are adding a section...
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  • uncategorized

    wolfSSL support for Microsoft Azure Sphere (Pluton Security)

    In early March 2018 we added support for the new Microsoft Azure Sphere microcontroller, which uses Pluton security for ECC P-256 key generation and sign/shared secret (ECDSA/ECDHE). This micro is targeting the embedded IoT space and supports Azure IoT cloud or any of your choosing. This chip uses wolfSSL and...
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  • uncategorized

    wolfSSL now has lwIP support

    The wolfSSL (formerly CyaSSL) embedded SSL library supports lwIP, the light weight internet protocol implementation, out of the box.  The user merely needs to define WOLFSSL_LWIP or uncomment the line /* #define WOLFSSL_LWIP */ in os_settings.h to use wolfSSL with lwIP.  The focus of lwIP is to reduce RAM usage...
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  • uncategorized

    wolfSSL support for STSAFE-A100 crypto coprocessor

    wolfSSL supports the STMicroelectronics STSAFE-A100 I2C cryptographic coprocessor. It’s capable of ECC sign/verify (ECDSA) and shared secret (ECDH) operations for 256-bit and 384-bit (NIST Prime and Brainpool) curves. It has 2 key slots and 6KB of non-volatile memory for certificate or data storage.  Prerequisites:
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  • uncategorized

    wolfSSL support for the ATECC508A/ATECC608A crypto coprocessor

    wolfSSL embedded SSL/TLS support the latest Microchip ATECC508A and ATECC608A I2C cryptographic coprocessors. The latest round of fixes to support the most recent CryptoAuthLib are in a pull request here (https://github.com/wolfSSL/wolfssl/pull/1815). We have not yet tested with the ATECC608A due to lack of hardware, but wolfSSL is compatible with the...
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  • uncategorized

    Differences between SSL and TLS Protocol Versions (#TLS13)

    Have you heard talk about SSL 3.0, TLS 1.0, TLS 1.1, TLS 1.2, and TLS 1.3 but never really knew the differences between the different versions? Secure Socket Layer (SSL) and Transport Security Layer (TLS) are both cryptographic protocols which provide secure communication over networks. These different versions are all...
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  • uncategorized

    wolfSSL Support for Apache Mynewt

    Apache Mynewt is a operating system which is Open Source, modular and realtime (RTOS). It is designed for IoT devices that have limited memory and storage and need to run for a long time with minimal power consumption. More details of Apache Mynewt can be found on the project’s website:...
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