nettle_hkdf_extract

var nettle_hkdf_extract: procedure(

  mac_ctx: pointer;

  update: pnettle_hash_update_func;

  digest: pnettle_hash_digest_func;

  digest_size: Tsize_t;

  secret_size: Tsize_t;

  secret: Puint8_t;

  dst: Puint8_t

);