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#ifndef SC25519_H
#define SC25519_H
#define sc25519 crypto_sign_ed25519_amd64_64_sc25519
#define shortsc25519 crypto_sign_ed25519_amd64_64_shortsc25519
#define sc25519_from32bytes crypto_sign_ed25519_amd64_64_sc25519_from32bytes
#define shortsc25519_from16bytes crypto_sign_ed25519_amd64_64_shortsc25519_from16bytes
#define sc25519_from64bytes crypto_sign_ed25519_amd64_64_sc25519_from64bytes
#define sc25519_from_shortsc crypto_sign_ed25519_amd64_64_sc25519_from_shortsc
#define sc25519_to32bytes crypto_sign_ed25519_amd64_64_sc25519_to32bytes
#define sc25519_iszero_vartime crypto_sign_ed25519_amd64_64_sc25519_iszero_vartime
#define sc25519_isshort_vartime crypto_sign_ed25519_amd64_64_sc25519_isshort_vartime
#define sc25519_lt crypto_sign_ed25519_amd64_64_sc25519_lt
#define sc25519_add crypto_sign_ed25519_amd64_64_sc25519_add
#define sc25519_sub_nored crypto_sign_ed25519_amd64_64_sc25519_sub_nored
#define sc25519_mul crypto_sign_ed25519_amd64_64_sc25519_mul
#define sc25519_mul_shortsc crypto_sign_ed25519_amd64_64_sc25519_mul_shortsc
#define sc25519_window4 crypto_sign_ed25519_amd64_64_sc25519_window4
#define sc25519_slide crypto_sign_ed25519_amd64_64_sc25519_slide
#define sc25519_2interleave2 crypto_sign_ed25519_amd64_64_sc25519_2interleave2
#define sc25519_barrett crypto_sign_ed25519_amd64_64_sc25519_barrett
typedef struct
{
unsigned long long v[4];
}
sc25519;
typedef struct
{
unsigned long long v[2];
}
shortsc25519;
void sc25519_from32bytes(sc25519 *r, const unsigned char x[32]);
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_lt(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}^{63}r[i]2^(4*i)
* with r[i] in {-8,...,7}
*/
void sc25519_window4(signed char r[85], const sc25519 *s);
void sc25519_slide(signed char r[256], const sc25519 *s, int swindowsize);
void sc25519_2interleave2(unsigned char r[127], const sc25519 *s1, const sc25519 *s2);
void sc25519_barrett(sc25519 *r, unsigned long long x[8]);
#endif
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