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