release/src/router/libsodium/src/libsodium/crypto_sign/ed25519/ref10/fe.h

   1 #ifndef FE_H
   2 #define FE_H
   3
   4 #include "crypto_int32.h"
   5
   6 typedef crypto_int32 fe[10];
   7
   8 /*
   9 fe means field element.
  10 Here the field is \Z/(2^255-19).
  11 An element t, entries t[0]...t[9], represents the integer
  12 t[0]+2^26 t[1]+2^51 t[2]+2^77 t[3]+2^102 t[4]+...+2^230 t[9].
  13 Bounds on each t[i] vary depending on context.
  14 */
  15
  16 #define fe_frombytes crypto_sign_ed25519_ref10_fe_frombytes
  17 #define fe_tobytes crypto_sign_ed25519_ref10_fe_tobytes
  18 #define fe_copy crypto_sign_ed25519_ref10_fe_copy
  19 #define fe_isnonzero crypto_sign_ed25519_ref10_fe_isnonzero
  20 #define fe_isnegative crypto_sign_ed25519_ref10_fe_isnegative
  21 #define fe_0 crypto_sign_ed25519_ref10_fe_0
  22 #define fe_1 crypto_sign_ed25519_ref10_fe_1
  23 #define fe_cswap crypto_sign_ed25519_ref10_fe_cswap
  24 #define fe_cmov crypto_sign_ed25519_ref10_fe_cmov
  25 #define fe_add crypto_sign_ed25519_ref10_fe_add
  26 #define fe_sub crypto_sign_ed25519_ref10_fe_sub
  27 #define fe_neg crypto_sign_ed25519_ref10_fe_neg
  28 #define fe_mul crypto_sign_ed25519_ref10_fe_mul
  29 #define fe_sq crypto_sign_ed25519_ref10_fe_sq
  30 #define fe_sq2 crypto_sign_ed25519_ref10_fe_sq2
  31 #define fe_mul121666 crypto_sign_ed25519_ref10_fe_mul121666
  32 #define fe_invert crypto_sign_ed25519_ref10_fe_invert
  33 #define fe_pow22523 crypto_sign_ed25519_ref10_fe_pow22523
  34
  35 extern void fe_frombytes(fe,const unsigned char *);
  36 extern void fe_tobytes(unsigned char *,const fe);
  37
  38 extern void fe_copy(fe,const fe);
  39 extern int fe_isnonzero(const fe);
  40 extern int fe_isnegative(const fe);
  41 extern void fe_0(fe);
  42 extern void fe_1(fe);
  43 extern void fe_cswap(fe,fe,unsigned int);
  44 extern void fe_cmov(fe,const fe,unsigned int);
  45
  46 extern void fe_add(fe,const fe,const fe);
  47 extern void fe_sub(fe,const fe,const fe);
  48 extern void fe_neg(fe,const fe);
  49 extern void fe_mul(fe,const fe,const fe);
  50 extern void fe_sq(fe,const fe);
  51 extern void fe_sq2(fe,const fe);
  52 extern void fe_mul121666(fe,const fe);
  53 extern void fe_invert(fe,const fe);
  54 extern void fe_pow22523(fe,const fe);
  55
  56 #endif