12 #include "libssh/priv.h"    14 #define fe25519              crypto_sign_ed25519_ref_fe25519    15 #define fe25519_freeze       crypto_sign_ed25519_ref_fe25519_freeze    16 #define fe25519_unpack       crypto_sign_ed25519_ref_fe25519_unpack    17 #define fe25519_pack         crypto_sign_ed25519_ref_fe25519_pack    18 #define fe25519_iszero       crypto_sign_ed25519_ref_fe25519_iszero    19 #define fe25519_iseq_vartime crypto_sign_ed25519_ref_fe25519_iseq_vartime    20 #define fe25519_cmov         crypto_sign_ed25519_ref_fe25519_cmov    21 #define fe25519_setone       crypto_sign_ed25519_ref_fe25519_setone    22 #define fe25519_setzero      crypto_sign_ed25519_ref_fe25519_setzero    23 #define fe25519_neg          crypto_sign_ed25519_ref_fe25519_neg    24 #define fe25519_getparity    crypto_sign_ed25519_ref_fe25519_getparity    25 #define fe25519_add          crypto_sign_ed25519_ref_fe25519_add    26 #define fe25519_sub          crypto_sign_ed25519_ref_fe25519_sub    27 #define fe25519_mul          crypto_sign_ed25519_ref_fe25519_mul    28 #define fe25519_square       crypto_sign_ed25519_ref_fe25519_square    29 #define fe25519_invert       crypto_sign_ed25519_ref_fe25519_invert    30 #define fe25519_pow2523      crypto_sign_ed25519_ref_fe25519_pow2523    36 void fe25519_freeze(fe25519 *r);
    38 void fe25519_unpack(fe25519 *r, 
const unsigned char x[32]);
    40 void fe25519_pack(
unsigned char r[32], 
const fe25519 *x);
    42 int fe25519_iszero(
const fe25519 *x);
    44 int fe25519_iseq_vartime(
const fe25519 *x, 
const fe25519 *y);
    46 void fe25519_cmov(fe25519 *r, 
const fe25519 *x, 
unsigned char b);
    48 void fe25519_setone(fe25519 *r);
    50 void fe25519_setzero(fe25519 *r);
    52 void fe25519_neg(fe25519 *r, 
const fe25519 *x);
    54 unsigned char fe25519_getparity(
const fe25519 *x);
    56 void fe25519_add(fe25519 *r, 
const fe25519 *x, 
const fe25519 *y);
    58 void fe25519_sub(fe25519 *r, 
const fe25519 *x, 
const fe25519 *y);
    60 void fe25519_mul(fe25519 *r, 
const fe25519 *x, 
const fe25519 *y);
    62 void fe25519_square(fe25519 *r, 
const fe25519 *x);
    64 void fe25519_invert(fe25519 *r, 
const fe25519 *x);
    66 void fe25519_pow2523(fe25519 *r, 
const fe25519 *x);