libssh  0.7.2
include/libssh/ge25519.h
00001 /* $OpenBSD: ge25519.h,v 1.3 2013/12/09 11:03:45 markus Exp $ */
00002 
00003 /*
00004  * Public Domain, Authors: Daniel J. Bernstein, Niels Duif, Tanja Lange,
00005  * Peter Schwabe, Bo-Yin Yang.
00006  * Copied from supercop-20130419/crypto_sign/ed25519/ref/ge25519.h
00007  */
00008 
00009 #ifndef GE25519_H
00010 #define GE25519_H
00011 
00012 #include "fe25519.h"
00013 #include "sc25519.h"
00014 
00015 #define ge25519                           crypto_sign_ed25519_ref_ge25519
00016 #define ge25519_base                      crypto_sign_ed25519_ref_ge25519_base
00017 #define ge25519_unpackneg_vartime         crypto_sign_ed25519_ref_unpackneg_vartime
00018 #define ge25519_pack                      crypto_sign_ed25519_ref_pack
00019 #define ge25519_isneutral_vartime         crypto_sign_ed25519_ref_isneutral_vartime
00020 #define ge25519_double_scalarmult_vartime crypto_sign_ed25519_ref_double_scalarmult_vartime
00021 #define ge25519_scalarmult_base           crypto_sign_ed25519_ref_scalarmult_base
00022 
00023 typedef struct
00024 {
00025   fe25519 x;
00026   fe25519 y;
00027   fe25519 z;
00028   fe25519 t;
00029 } ge25519;
00030 
00031 const ge25519 ge25519_base;
00032 
00033 int ge25519_unpackneg_vartime(ge25519 *r, const unsigned char p[32]);
00034 
00035 void ge25519_pack(unsigned char r[32], const ge25519 *p);
00036 
00037 int ge25519_isneutral_vartime(const ge25519 *p);
00038 
00039 void ge25519_double_scalarmult_vartime(ge25519 *r, const ge25519 *p1, const sc25519 *s1, const ge25519 *p2, const sc25519 *s2);
00040 
00041 void ge25519_scalarmult_base(ge25519 *r, const sc25519 *s);
00042 
00043 #endif