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crypto: Add ed25519 implementation from OpenSSH.

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Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Aris Adamantiadis
2014-08-07 09:01:27 +02:00
committed by Andreas Schneider
parent e9b2d164e0
commit 93e82fa0c0
12 changed files with 2507 additions and 1 deletions
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68
include/libssh/fe25519.h Normal file
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/* $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 "libssh/priv.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 {
uint32_t 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