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6 Commits
Author SHA1 Message Date
Henrik Ekblad caaadf44cf Update file headers. 2015-04-08 21:14:52 +02:00
Patrick Fallberg 611ba0cf44 Slimmed down memory footprint of signing backends 2015-03-16 20:24:42 +01:00
Patrick Fallberg f295ef2961 Whitelisting support in signing backend 
Whitelisting is enabled using MY_SECURE_NODE_WHITELISTING in MyConfig.h.
The whitelist is provided in backend constructors.
See the SecureActuator example for a typical usecase.
 2015-03-16 20:21:05 +01:00
Patrick Fallberg e35a01766b Implemented basic whitening of nonce 
A simple (for performanc reasons) whitening scheme has been
implemented for the ATSHA204 backeds that strengthens the
nonce "randomness".
 2015-03-16 20:15:06 +01:00
Patrick Fallberg 4c4c9a8b39 Added SHA command to ATSHA204 backend driver 
The SHA command is available in ATSHA204A variants of the chip
and can be used to calculate SHA256 digests of arbitrary data.

This enables us to strengthen the quality of the signatures by
salting signatures with node-specific data and improving the
quality of random data.
 2015-03-16 20:14:22 +01:00
Henrik Ekblad 6d0ae813c4 Rename MySigningDriver* to MySigning* 2015-03-10 00:07:57 +01:00