From 999ae6be3243c7b4a815247199447b53c39a3d65 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:26:58 +0200 Subject: Adding upstream version 1:7.9p1. Signed-off-by: Daniel Baumann --- fe25519.h | 70 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 fe25519.h (limited to 'fe25519.h') diff --git a/fe25519.h b/fe25519.h new file mode 100644 index 0000000..41b3cbb --- /dev/null +++ b/fe25519.h @@ -0,0 +1,70 @@ +/* $OpenBSD: fe25519.h,v 1.3 2013/12/09 11:03:45 markus Exp $ */ + +/* + * Public Domain, Authors: Daniel J. Bernstein, Niels Duif, Tanja Lange, + * Peter Schwabe, Bo-Yin Yang. + * Copied from supercop-20130419/crypto_sign/ed25519/ref/fe25519.h + */ + +#ifndef FE25519_H +#define FE25519_H + +#include "crypto_api.h" + +#define fe25519 crypto_sign_ed25519_ref_fe25519 +#define fe25519_freeze crypto_sign_ed25519_ref_fe25519_freeze +#define fe25519_unpack crypto_sign_ed25519_ref_fe25519_unpack +#define fe25519_pack crypto_sign_ed25519_ref_fe25519_pack +#define fe25519_iszero crypto_sign_ed25519_ref_fe25519_iszero +#define fe25519_iseq_vartime crypto_sign_ed25519_ref_fe25519_iseq_vartime +#define fe25519_cmov crypto_sign_ed25519_ref_fe25519_cmov +#define fe25519_setone crypto_sign_ed25519_ref_fe25519_setone +#define fe25519_setzero crypto_sign_ed25519_ref_fe25519_setzero +#define fe25519_neg crypto_sign_ed25519_ref_fe25519_neg +#define fe25519_getparity crypto_sign_ed25519_ref_fe25519_getparity +#define fe25519_add crypto_sign_ed25519_ref_fe25519_add +#define fe25519_sub crypto_sign_ed25519_ref_fe25519_sub +#define fe25519_mul crypto_sign_ed25519_ref_fe25519_mul +#define fe25519_square crypto_sign_ed25519_ref_fe25519_square +#define fe25519_invert crypto_sign_ed25519_ref_fe25519_invert +#define fe25519_pow2523 crypto_sign_ed25519_ref_fe25519_pow2523 + +typedef struct +{ + crypto_uint32 v[32]; +} +fe25519; + +void fe25519_freeze(fe25519 *r); + +void fe25519_unpack(fe25519 *r, const unsigned char x[32]); + +void fe25519_pack(unsigned char r[32], const fe25519 *x); + +int fe25519_iszero(const fe25519 *x); + +int fe25519_iseq_vartime(const fe25519 *x, const fe25519 *y); + +void fe25519_cmov(fe25519 *r, const fe25519 *x, unsigned char b); + +void fe25519_setone(fe25519 *r); + +void fe25519_setzero(fe25519 *r); + +void fe25519_neg(fe25519 *r, const fe25519 *x); + +unsigned char fe25519_getparity(const fe25519 *x); + +void fe25519_add(fe25519 *r, const fe25519 *x, const fe25519 *y); + +void fe25519_sub(fe25519 *r, const fe25519 *x, const fe25519 *y); + +void fe25519_mul(fe25519 *r, const fe25519 *x, const fe25519 *y); + +void fe25519_square(fe25519 *r, const fe25519 *x); + +void fe25519_invert(fe25519 *r, const fe25519 *x); + +void fe25519_pow2523(fe25519 *r, const fe25519 *x); + +#endif -- cgit v1.2.3