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Patrick Fallberg 911ae9c9d9 ATSHA204 emulated signing backend

ATSHA204 emulated signing backend. The emulated ATSHA204
implementation offers pseudo random number generation and
HMAC-SHA256 authentication compatible with a "physical"
ATSHA204.

NOTE: Key is stored in clear text in the Arduino firmware.
Therefore, the use of this back-end could compromise the key
used in the signed message infrastructure if device is lost
and its memory dumped.

The seed for the random number generated is sampled from an
analog pin. The pin is set in MyConfig.h using RANDOMSEED_PIN.
The pin should be unconnected.

The key to use for HMAC calculations must match the key used by
other nodes this node will exchange signed messages with. The key
for ATSHA204 emulator is set in MyConfig.h using hmacKey.

2015-02-17 23:25:33 +01:00

Bootloader

Reduce Bootloader Size

2014-09-28 23:43:28 +02:00

libraries

ATSHA204 emulated signing backend

2015-02-17 23:25:33 +01:00

MYSBootloader

MYSBootloader 1.0

2015-02-06 14:07:40 +01:00

NodeJsController

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