fe25519.h revision 262566
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 32typedef struct 33{ 34 crypto_uint32 v[32]; 35} 36fe25519; 37 38void fe25519_freeze(fe25519 *r); 39 40void fe25519_unpack(fe25519 *r, const unsigned char x[32]); 41 42void fe25519_pack(unsigned char r[32], const fe25519 *x); 43 44int fe25519_iszero(const fe25519 *x); 45 46int fe25519_iseq_vartime(const fe25519 *x, const fe25519 *y); 47 48void fe25519_cmov(fe25519 *r, const fe25519 *x, unsigned char b); 49 50void fe25519_setone(fe25519 *r); 51 52void fe25519_setzero(fe25519 *r); 53 54void fe25519_neg(fe25519 *r, const fe25519 *x); 55 56unsigned char fe25519_getparity(const fe25519 *x); 57 58void fe25519_add(fe25519 *r, const fe25519 *x, const fe25519 *y); 59 60void fe25519_sub(fe25519 *r, const fe25519 *x, const fe25519 *y); 61 62void fe25519_mul(fe25519 *r, const fe25519 *x, const fe25519 *y); 63 64void fe25519_square(fe25519 *r, const fe25519 *x); 65 66void fe25519_invert(fe25519 *r, const fe25519 *x); 67 68void fe25519_pow2523(fe25519 *r, const fe25519 *x); 69 70#endif 71