81 lines
2.8 KiB
C
81 lines
2.8 KiB
C
|
/* $OpenBSD: sc25519.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/sc25519.h
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef SC25519_H
|
||
|
|
#define SC25519_H
|
||
|
|
|
||
|
|
#include "crypto_api.h"
|
||
|
|
|
||
|
|
#define sc25519 crypto_sign_ed25519_ref_sc25519
|
||
|
|
#define shortsc25519 crypto_sign_ed25519_ref_shortsc25519
|
||
|
|
#define sc25519_from32bytes crypto_sign_ed25519_ref_sc25519_from32bytes
|
||
|
|
#define shortsc25519_from16bytes crypto_sign_ed25519_ref_shortsc25519_from16bytes
|
||
|
|
#define sc25519_from64bytes crypto_sign_ed25519_ref_sc25519_from64bytes
|
||
|
|
#define sc25519_from_shortsc crypto_sign_ed25519_ref_sc25519_from_shortsc
|
||
|
|
#define sc25519_to32bytes crypto_sign_ed25519_ref_sc25519_to32bytes
|
||
|
|
#define sc25519_iszero_vartime crypto_sign_ed25519_ref_sc25519_iszero_vartime
|
||
|
|
#define sc25519_isshort_vartime crypto_sign_ed25519_ref_sc25519_isshort_vartime
|
||
|
|
#define sc25519_lt_vartime crypto_sign_ed25519_ref_sc25519_lt_vartime
|
||
|
|
#define sc25519_add crypto_sign_ed25519_ref_sc25519_add
|
||
|
|
#define sc25519_sub_nored crypto_sign_ed25519_ref_sc25519_sub_nored
|
||
|
|
#define sc25519_mul crypto_sign_ed25519_ref_sc25519_mul
|
||
|
|
#define sc25519_mul_shortsc crypto_sign_ed25519_ref_sc25519_mul_shortsc
|
||
|
|
#define sc25519_window3 crypto_sign_ed25519_ref_sc25519_window3
|
||
|
|
#define sc25519_window5 crypto_sign_ed25519_ref_sc25519_window5
|
||
|
|
#define sc25519_2interleave2 crypto_sign_ed25519_ref_sc25519_2interleave2
|
||
|
|
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
crypto_uint32 v[32];
|
||
|
|
}
|
||
|
|
sc25519;
|
||
|
|
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
crypto_uint32 v[16];
|
||
|
|
}
|
||
|
|
shortsc25519;
|
||
|
|
|
||
|
|
void sc25519_from32bytes(sc25519 *r, const unsigned char x[32]);
|
||
|
|
|
||
|
|
void shortsc25519_from16bytes(shortsc25519 *r, const unsigned char x[16]);
|
||
|
|
|
||
|
|
void sc25519_from64bytes(sc25519 *r, const unsigned char x[64]);
|
||
|
|
|
||
|
|
void sc25519_from_shortsc(sc25519 *r, const shortsc25519 *x);
|
||
|
|
|
||
|
|
void sc25519_to32bytes(unsigned char r[32], const sc25519 *x);
|
||
|
|
|
||
|
|
int sc25519_iszero_vartime(const sc25519 *x);
|
||
|
|
|
||
|
|
int sc25519_isshort_vartime(const sc25519 *x);
|
||
|
|
|
||
|
|
int sc25519_lt_vartime(const sc25519 *x, const sc25519 *y);
|
||
|
|
|
||
|
|
void sc25519_add(sc25519 *r, const sc25519 *x, const sc25519 *y);
|
||
|
|
|
||
|
|
void sc25519_sub_nored(sc25519 *r, const sc25519 *x, const sc25519 *y);
|
||
|
|
|
||
|
|
void sc25519_mul(sc25519 *r, const sc25519 *x, const sc25519 *y);
|
||
|
|
|
||
|
|
void sc25519_mul_shortsc(sc25519 *r, const sc25519 *x, const shortsc25519 *y);
|
||
|
|
|
||
|
|
/* Convert s into a representation of the form \sum_{i=0}^{84}r[i]2^3
|
||
|
|
* with r[i] in {-4,...,3}
|
||
|
|
*/
|
||
|
|
void sc25519_window3(signed char r[85], const sc25519 *s);
|
||
|
|
|
||
|
|
/* Convert s into a representation of the form \sum_{i=0}^{50}r[i]2^5
|
||
|
|
* with r[i] in {-16,...,15}
|
||
|
|
*/
|
||
|
|
void sc25519_window5(signed char r[51], const sc25519 *s);
|
||
|
|
|
||
|
|
void sc25519_2interleave2(unsigned char r[127], const sc25519 *s1, const sc25519 *s2);
|
||
|
|
|
||
|
|
#endif
|