src/core/crypto/pbkdf2_cmac.h

/*
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/**
 * @file
 * @brief
 *  This file defines the PBKDF2 using CMAC C APIs.
 */

#ifndef PBKDF2_CMAC_H_
#define PBKDF2_CMAC_H_

#include "utils/wrap_stdbool.h"
#include "utils/wrap_stdint.h"

#ifdef __cplusplus
extern "C" {
#endif

#define OT_PBKDF2_SALT_MAX_LEN 30  // salt prefix (6) + extended panid (8) + network name (16)

/**
 * This method perform PKCS#5 PBKDF2 using CMAC (AES-CMAC-PRF-128).
 *
 * @param[in]     aPassword          Password to use when generating key.
 * @param[in]     aPasswordLen       Length of password.
 * @param[in]     aSalt              Salt to use when generating key.
 * @param[in]     aSaltLen           Length of salt.
 * @param[in]     aIterationCounter  Iteration count.
 * @param[in]     aKeyLen            Length of generated key in bytes.
 * @param[out]    aKey               A pointer to the generated key.
 *
 */
void otPbkdf2Cmac(
    const uint8_t *aPassword, uint16_t aPasswordLen,
    const uint8_t *aSalt, uint16_t aSaltLen,
    uint32_t aIterationCounter, uint16_t aKeyLen,
    uint8_t *aKey);

#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // PBKDF2_CMAC_H_