Remco Bloemen
/
EntropySource
Use your mbed and it\'s noisy analog inputs as a hardware random number generator!
EntropyPool.h
- Committer:
- Remco
- Date:
- 2011-06-20
- Revision:
- 0:dda0a8c4ac0c
File content as of revision 0:dda0a8c4ac0c:
#pragma once #include <SHA256.h> #include "mbed.h" class EntropyPool: protected SHA256 { public: EntropyPool(); int entropy() { return e; } void gather(); void gatherAnalogNoise(AnalogIn& input, int entropy = 8); char* produce(int bytes); FunctionPointer gatherer; protected: Timer timer; int e; };