pbkdf2.h

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#pragma once
#include "AES128ESP32.h"
// #include <Arduino.h>
// #include <psa/crypto.h>
// #include "delays.h"
 
// masterkey type is based on PSA_ALG_HKDF(PSA_ALG_SHA_256)
// which requires 32 bytes

// put whatever you want to in here, but do not make it empty/blank.
#define MSTRKEYSALT "Something Random"

 
// known issues:
// todo:  add salt generation
 
class pass2Key {
  psa_key_id_t masterkeyid = 0;
  psa_key_id_t newkeyid = 0;
#ifdef DEBUGLEVEL
  String derivedkeytext;
#endif
  friend class cryptoAES128;
public:
  pass2Key();
  ~pass2Key();
 
  bool getMasterKey(MasterKeyData &mkd);
  bool setMasterKey(MasterKeyData &mkd);
  bool makeMasterKey();
  bool deriveNewKeyfromText(String text);
private:
  psa_key_attributes_t getattributes(bool formaster = false);
};