pskc.hpp

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/*
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#ifndef OTBR_UTILS_PSKC_HPP_
#define OTBR_UTILS_PSKC_HPP_
 
#include "openthread-br/config.h"
 
#define OT_EXTENDED_PAN_ID_LENGTH 8
#define OT_ITERATION_COUNTS 16384
#define OT_PASSPHRASE_MAX_LENGTH 255
#define OT_PBKDF2_SALT_MAX_LENGTH 30
#define OT_PSKC_LENGTH 16
 
#include <stdint.h>
#include <string.h>
 
#include <mbedtls/cmac.h>
 
namespace otbr {
namespace Psk {
 
enum
{
    kPskcStatus_Ok              = 0,
    kPskcStatus_InvalidArgument = 1
};
 
class Pskc
{
public:
    const uint8_t *ComputePskc(const uint8_t *aExtPanId, const char *aNetworkName, const char *aPassphrase);
 
private:
    void SetSalt(const uint8_t *aExtPanId, const char *aNetworkName);
 
    char     mSalt[OT_PBKDF2_SALT_MAX_LENGTH];
    uint16_t mSaltLen;
    uint8_t  mPskc[OT_PSKC_LENGTH];
};
 
} // namespace Psk
} // namespace otbr
 
#endif // OTBR_UTILS_PSKC_HPP_