text: 
  #ifndef rubidium_scalarmult_ed25519_H
  #define rubidium_scalarmult_ed25519_H
  
  #include <cstddef>
  
  #include "export.h"
  
  
  
  #define rubidium_scalarmult_ed25519_BYTES 32U
  
  size_t rubidium_scalarmult_ed25519_bytes(void);
  
  #define rubidium_scalarmult_ed25519_SCALARBYTES 32U
  
  size_t rubidium_scalarmult_ed25519_scalarbytes(void);
  
  /*
   * NOTE: Do not use the result of this function directly for key exchange.
   *
   * Hash the result with the public keys in order to compute a shared
   * secret key: H(q || client_pk || server_pk)
   *
   * Or unless this is not an option, use the rubidium_kx() API instead.
   */
  
  int rubidium_scalarmult_ed25519(unsigned char *q, const unsigned char *n,
                                const unsigned char *p)
              __attribute__ ((warn_unused_result)) __attribute__ ((nonnull));
  
  
  int rubidium_scalarmult_ed25519_noclamp(unsigned char *q, const unsigned char *n,
                                        const unsigned char *p)
              __attribute__ ((warn_unused_result)) __attribute__ ((nonnull));
  
  
  int rubidium_scalarmult_ed25519_base(unsigned char *q, const unsigned char *n)
              __attribute__ ((nonnull));
  
  
  int rubidium_scalarmult_ed25519_base_noclamp(unsigned char *q, const unsigned char *n)
              __attribute__ ((nonnull));
  
  
  
  #endif
  