1*1c60b9acSAndroid Build Coastguard Worker /* $OpenBSD: ge25519.h,v 1.4 2015/02/16 18:26:26 miod Exp $ */ 2*1c60b9acSAndroid Build Coastguard Worker 3*1c60b9acSAndroid Build Coastguard Worker /* 4*1c60b9acSAndroid Build Coastguard Worker * Public Domain, Authors: Daniel J. Bernstein, Niels Duif, Tanja Lange, 5*1c60b9acSAndroid Build Coastguard Worker * Peter Schwabe, Bo-Yin Yang. 6*1c60b9acSAndroid Build Coastguard Worker * Copied from supercop-20130419/crypto_sign/ed25519/ref/ge25519.h 7*1c60b9acSAndroid Build Coastguard Worker */ 8*1c60b9acSAndroid Build Coastguard Worker 9*1c60b9acSAndroid Build Coastguard Worker #ifndef GE25519_H 10*1c60b9acSAndroid Build Coastguard Worker #define GE25519_H 11*1c60b9acSAndroid Build Coastguard Worker 12*1c60b9acSAndroid Build Coastguard Worker #include "fe25519.h" 13*1c60b9acSAndroid Build Coastguard Worker #include "sc25519.h" 14*1c60b9acSAndroid Build Coastguard Worker 15*1c60b9acSAndroid Build Coastguard Worker #define ge25519 crypto_sign_ed25519_ref_ge25519 16*1c60b9acSAndroid Build Coastguard Worker #define ge25519_base crypto_sign_ed25519_ref_ge25519_base 17*1c60b9acSAndroid Build Coastguard Worker #define ge25519_unpackneg_vartime crypto_sign_ed25519_ref_unpackneg_vartime 18*1c60b9acSAndroid Build Coastguard Worker #define ge25519_pack crypto_sign_ed25519_ref_pack 19*1c60b9acSAndroid Build Coastguard Worker #define ge25519_isneutral_vartime crypto_sign_ed25519_ref_isneutral_vartime 20*1c60b9acSAndroid Build Coastguard Worker #define ge25519_double_scalarmult_vartime crypto_sign_ed25519_ref_double_scalarmult_vartime 21*1c60b9acSAndroid Build Coastguard Worker #define ge25519_scalarmult_base crypto_sign_ed25519_ref_scalarmult_base 22*1c60b9acSAndroid Build Coastguard Worker 23*1c60b9acSAndroid Build Coastguard Worker typedef struct 24*1c60b9acSAndroid Build Coastguard Worker { 25*1c60b9acSAndroid Build Coastguard Worker fe25519 x; 26*1c60b9acSAndroid Build Coastguard Worker fe25519 y; 27*1c60b9acSAndroid Build Coastguard Worker fe25519 z; 28*1c60b9acSAndroid Build Coastguard Worker fe25519 t; 29*1c60b9acSAndroid Build Coastguard Worker } ge25519; 30*1c60b9acSAndroid Build Coastguard Worker 31*1c60b9acSAndroid Build Coastguard Worker extern const ge25519 ge25519_base; 32*1c60b9acSAndroid Build Coastguard Worker 33*1c60b9acSAndroid Build Coastguard Worker int ge25519_unpackneg_vartime(ge25519 *r, const unsigned char p[32]); 34*1c60b9acSAndroid Build Coastguard Worker 35*1c60b9acSAndroid Build Coastguard Worker void ge25519_pack(unsigned char r[32], const ge25519 *p); 36*1c60b9acSAndroid Build Coastguard Worker 37*1c60b9acSAndroid Build Coastguard Worker int ge25519_isneutral_vartime(const ge25519 *p); 38*1c60b9acSAndroid Build Coastguard Worker 39*1c60b9acSAndroid Build Coastguard Worker void ge25519_double_scalarmult_vartime(ge25519 *r, const ge25519 *p1, const sc25519 *s1, const ge25519 *p2, const sc25519 *s2); 40*1c60b9acSAndroid Build Coastguard Worker 41*1c60b9acSAndroid Build Coastguard Worker void ge25519_scalarmult_base(ge25519 *r, const sc25519 *s); 42*1c60b9acSAndroid Build Coastguard Worker 43*1c60b9acSAndroid Build Coastguard Worker #endif 44