mirror of
https://github.com/oxen-io/session-android.git
synced 2024-11-30 21:45:20 +00:00
57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
|
#ifndef FE_H
|
||
|
|
#define FE_H
|
||
|
|
|
||
|
|
#include "crypto_int32.h"
|
||
|
|
|
||
|
|
typedef crypto_int32 fe[10];
|
||
|
|
|
||
|
|
/*
|
||
|
|
fe means field element.
|
||
|
|
Here the field is \Z/(2^255-19).
|
||
|
|
An element t, entries t[0]...t[9], represents the integer
|
||
|
|
t[0]+2^26 t[1]+2^51 t[2]+2^77 t[3]+2^102 t[4]+...+2^230 t[9].
|
||
|
|
Bounds on each t[i] vary depending on context.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define fe_frombytes crypto_sign_ed25519_ref10_fe_frombytes
|
||
|
|
#define fe_tobytes crypto_sign_ed25519_ref10_fe_tobytes
|
||
|
|
#define fe_copy crypto_sign_ed25519_ref10_fe_copy
|
||
|
|
#define fe_isnonzero crypto_sign_ed25519_ref10_fe_isnonzero
|
||
|
|
#define fe_isnegative crypto_sign_ed25519_ref10_fe_isnegative
|
||
|
|
#define fe_0 crypto_sign_ed25519_ref10_fe_0
|
||
|
|
#define fe_1 crypto_sign_ed25519_ref10_fe_1
|
||
|
|
#define fe_cswap crypto_sign_ed25519_ref10_fe_cswap
|
||
|
|
#define fe_cmov crypto_sign_ed25519_ref10_fe_cmov
|
||
|
|
#define fe_add crypto_sign_ed25519_ref10_fe_add
|
||
|
|
#define fe_sub crypto_sign_ed25519_ref10_fe_sub
|
||
|
|
#define fe_neg crypto_sign_ed25519_ref10_fe_neg
|
||
|
|
#define fe_mul crypto_sign_ed25519_ref10_fe_mul
|
||
|
|
#define fe_sq crypto_sign_ed25519_ref10_fe_sq
|
||
|
|
#define fe_sq2 crypto_sign_ed25519_ref10_fe_sq2
|
||
|
|
#define fe_mul121666 crypto_sign_ed25519_ref10_fe_mul121666
|
||
|
|
#define fe_invert crypto_sign_ed25519_ref10_fe_invert
|
||
|
|
#define fe_pow22523 crypto_sign_ed25519_ref10_fe_pow22523
|
||
|
|
|
||
|
|
extern void fe_frombytes(fe,const unsigned char *);
|
||
|
|
extern void fe_tobytes(unsigned char *,const fe);
|
||
|
|
|
||
|
|
extern void fe_copy(fe,const fe);
|
||
|
|
extern int fe_isnonzero(const fe);
|
||
|
|
extern int fe_isnegative(const fe);
|
||
|
|
extern void fe_0(fe);
|
||
|
|
extern void fe_1(fe);
|
||
|
|
extern void fe_cswap(fe,fe,unsigned int);
|
||
|
|
extern void fe_cmov(fe,const fe,unsigned int);
|
||
|
|
|
||
|
|
extern void fe_add(fe,const fe,const fe);
|
||
|
|
extern void fe_sub(fe,const fe,const fe);
|
||
|
|
extern void fe_neg(fe,const fe);
|
||
|
|
extern void fe_mul(fe,const fe,const fe);
|
||
|
|
extern void fe_sq(fe,const fe);
|
||
|
|
extern void fe_sq2(fe,const fe);
|
||
|
|
extern void fe_mul121666(fe,const fe);
|
||
|
|
extern void fe_invert(fe,const fe);
|
||
|
|
extern void fe_pow22523(fe,const fe);
|
||
|
|
|
||
|
|
#endif
|