tge25519.h - sick - sign and check files using ed25519
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       tge25519.h (1321B)
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            1 /*
            2  * Public Domain, Authors: Daniel J. Bernstein, Niels Duif, Tanja Lange,
            3  * Peter Schwabe, Bo-Yin Yang.
            4  * Adapted from supercop-20230530/crypto_sign/ed25519/ref/ge25519.h
            5  */
            6 
            7 #ifndef GE25519_H
            8 #define GE25519_H
            9 
           10 #include "fe25519.h"
           11 #include "sc25519.h"
           12 
           13 #define ge25519                           crypto_sign_ed25519_ref_ge25519
           14 #define ge25519_base                      crypto_sign_ed25519_ref_ge25519_base
           15 #define ge25519_unpackneg_vartime         crypto_sign_ed25519_ref_unpackneg_vartime
           16 #define ge25519_pack                      crypto_sign_ed25519_ref_pack
           17 #define ge25519_isneutral_vartime         crypto_sign_ed25519_ref_isneutral_vartime
           18 #define ge25519_double_scalarmult_vartime crypto_sign_ed25519_ref_double_scalarmult_vartime
           19 #define ge25519_scalarmult_base           crypto_sign_ed25519_ref_scalarmult_base
           20 
           21 typedef struct
           22 {
           23   fe25519 x;
           24   fe25519 y;
           25   fe25519 z;
           26   fe25519 t;
           27 } ge25519;
           28 
           29 extern const ge25519 ge25519_base;
           30 
           31 int ge25519_unpackneg_vartime(ge25519 *r, const unsigned char p[32]);
           32 
           33 void ge25519_pack(unsigned char r[32], const ge25519 *p);
           34 
           35 int ge25519_isneutral_vartime(const ge25519 *p);
           36 
           37 void ge25519_double_scalarmult_vartime(ge25519 *r, const ge25519 *p1, const sc25519 *s1, const ge25519 *p2, const sc25519 *s2);
           38 
           39 void ge25519_scalarmult_base(ge25519 *r, const sc25519 *s);
           40 
           41 #endif