crypto/openssh/fe25519.h

   1 /* $OpenBSD: fe25519.h,v 1.3 2013/12/09 11:03:45 markus Exp $ */
   2
   3 /*
   4  * Public Domain, Authors: Daniel J. Bernstein, Niels Duif, Tanja Lange,
   5  * Peter Schwabe, Bo-Yin Yang.
   6  * Copied from supercop-20130419/crypto_sign/ed25519/ref/fe25519.h
   7  */
   8
   9 #ifndef FE25519_H
  10 #define FE25519_H
  11
  12 #include "crypto_api.h"
  13
  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
  31
  32 typedef struct
  33 {
  34   crypto_uint32 v[32];
  35 }
  36 fe25519;
  37
  38 void fe25519_freeze(fe25519 *r);
  39
  40 void fe25519_unpack(fe25519 *r, const unsigned char x[32]);
  41
  42 void fe25519_pack(unsigned char r[32], const fe25519 *x);
  43
  44 int fe25519_iszero(const fe25519 *x);
  45
  46 int fe25519_iseq_vartime(const fe25519 *x, const fe25519 *y);
  47
  48 void fe25519_cmov(fe25519 *r, const fe25519 *x, unsigned char b);
  49
  50 void fe25519_setone(fe25519 *r);
  51
  52 void fe25519_setzero(fe25519 *r);
  53
  54 void fe25519_neg(fe25519 *r, const fe25519 *x);
  55
  56 unsigned char fe25519_getparity(const fe25519 *x);
  57
  58 void fe25519_add(fe25519 *r, const fe25519 *x, const fe25519 *y);
  59
  60 void fe25519_sub(fe25519 *r, const fe25519 *x, const fe25519 *y);
  61
  62 void fe25519_mul(fe25519 *r, const fe25519 *x, const fe25519 *y);
  63
  64 void fe25519_square(fe25519 *r, const fe25519 *x);
  65
  66 void fe25519_invert(fe25519 *r, const fe25519 *x);
  67
  68 void fe25519_pow2523(fe25519 *r, const fe25519 *x);
  69
  70 #endif