CyaSSL 1.6.5 is now available

Release 1.6.5 for CyaSSL adds bug fixes and x509 v3 self signed certificate generation.  For general build instructions see doc/Building_CyaSSL.pdf.  For details on how to use certificate generation, refer to section 11 in the wolfSSL manual. To enable certificate generation support, add this option to ./configure ./configure –enable-certgen An example is included in ctaocrypt/test/test.c and documentation […]

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Timothy Stapko – Top Ten Considerations for embedded Wi-Fi device security

Here’s a nice article for embedded designers faced with securing an 802.11 device:  https://www.embedded.com/design/prototyping-and-development/4206409/10-things-to-consider-when-securing-an-embedded-802-11-Wi-Fi-device. Stapko’s item 8 on the list caught our attention.  He correctly states that “Wi-Fi security protocols are big and slow.”  However, the article is an overview, and is not intended to discuss which ones are bigger and slower, and which ones are […]

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More good commentary on exposed devices

John Sawyer of Dark Reading has put out another great blog post on using SHODAN to find exposed network devices like “printers, routers, fiber channel switches and industrial control systems” on a corporate network, and provides some useful advice for discovering those devices.  See:  https://www.darkreading.com/risk/finding-exposed-devices-on-your-network/d/d-id/1134269? for the full post.

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DTLS and wolfSSL embedded ssl

Did you know that the wolfSSL embedded ssl solution includes DTLS support?  wolfSSL has supported DTLS functionality for over a year now.  Frankly, we have not had much user feedback on the feature, which means that either people are not using it or that those using it are perfectly satisfied.  If you care to comment, […]

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wolfSSL 1.6.0 is now available

Release 1.6.0 for the wolfSSL embedded ssl library adds bug fixes, support for RIPEMD-160 and SHA-512 algorithms and RSA key generation.  For general build instructions see doc/Building_wolfSSL.pdf.  For build options to enable RIPEMD-160 and SHA-512, please see the README included in the download. Please contact support@yassl.com with any questions.

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wolfSSL Embedded SSL for iPhone

Did you know that wolfSSL is available for iPhone/iOS?  We’ve been building and testing wolfSSL on iOS now for the last couple of years.  As wolfSSL users know, the code is extremely portable.  When iPhone originally launched, we decided to build for the device as yet another test for portability.  Everything moved over smoothly and […]

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The Benefit of Stream Ciphers

Ever wondered what the difference between a block cipher and a stream cipher was?  A block cipher has to be encrypted in chunks that are the block size for the cipher.  For example, AES has block size of 16 bytes.  So if you`re encrypting a bunch of small, 2 or 3 byte, chucks back and […]

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