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014c0a4978
tinydtls uses some stack space for HMAC calculations etc. This may cause trouble on platforms where the stack is very small. For example, the platform mbxxx (using an STM32 CPU) has reserved 1280 bytes for this. During tests, I found that this is too limited for a complete handshake. check_stack() shows that around 2 KiB should work.
CONTENTS This library contains functions and structures that can help constructing a single-threaded UDP server with DTLS support in C99. The following components are available: * dtls Basic support for DTLS with pre-shared key mode. * tests The subdirectory tests contains test programs that show how each component is used. BUILDING When using the code from the git repository at sourceforge, invoke 'autoreconf' to re-create the configure script. To build for Contiki, place tinydtls into Contiki's apps directory and call ./configure --with-contiki. After configuration, invoke make to build the library and associated test programs. To add tinydtls as Contiki application, drop it into the apps directory and add the following line to your Makefile: APPS += tinydtls/aes tinydtls/sha2 tinydtls/ecc tinydtls