96 lines
3.4 KiB
C
96 lines
3.4 KiB
C
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#ifndef GE25519_H
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#define GE25519_H
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#include "fe25519.h"
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#include "sc25519.h"
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#define ge25519 crypto_sign_ed25519_amd64_64_ge25519
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#define ge25519_base crypto_sign_ed25519_amd64_64_ge25519_base
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#define ge25519_unpackneg_vartime crypto_sign_ed25519_amd64_64_unpackneg_vartime
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#define ge25519_pack crypto_sign_ed25519_amd64_64_pack
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#define ge25519_isneutral_vartime crypto_sign_ed25519_amd64_64_isneutral_vartime
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#define ge25519_add crypto_sign_ed25519_amd64_64_ge25519_add
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#define ge25519_double crypto_sign_ed25519_amd64_64_ge25519_double
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#define ge25519_double_scalarmult_vartime crypto_sign_ed25519_amd64_64_double_scalarmult_vartime
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#define ge25519_multi_scalarmult_vartime crypto_sign_ed25519_amd64_64_ge25519_multi_scalarmult_vartime
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#define ge25519_scalarmult_base crypto_sign_ed25519_amd64_64_scalarmult_base
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#define ge25519_p1p1_to_p2 crypto_sign_ed25519_amd64_64_ge25519_p1p1_to_p2
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#define ge25519_p1p1_to_p3 crypto_sign_ed25519_amd64_64_ge25519_p1p1_to_p3
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#define ge25519_add_p1p1 crypto_sign_ed25519_amd64_64_ge25519_add_p1p1
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#define ge25519_dbl_p1p1 crypto_sign_ed25519_amd64_64_ge25519_dbl_p1p1
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#define choose_t crypto_sign_ed25519_amd64_64_choose_t
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#define ge25519_nielsadd2 crypto_sign_ed25519_amd64_64_ge25519_nielsadd2
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#define ge25519_nielsadd_p1p1 crypto_sign_ed25519_amd64_64_ge25519_nielsadd_p1p1
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#define ge25519_pnielsadd_p1p1 crypto_sign_ed25519_amd64_64_ge25519_pnielsadd_p1p1
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#define ge25519_p3 ge25519
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typedef struct
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{
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fe25519 x;
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fe25519 y;
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fe25519 z;
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fe25519 t;
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} ge25519;
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typedef struct
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{
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fe25519 x;
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fe25519 z;
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fe25519 y;
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fe25519 t;
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} ge25519_p1p1;
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typedef struct
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{
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fe25519 x;
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fe25519 y;
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fe25519 z;
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} ge25519_p2;
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typedef struct
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{
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fe25519 ysubx;
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fe25519 xaddy;
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fe25519 t2d;
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} ge25519_niels;
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typedef struct
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{
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fe25519 ysubx;
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fe25519 xaddy;
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fe25519 z;
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fe25519 t2d;
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} ge25519_pniels;
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extern void ge25519_p1p1_to_p2(ge25519_p2 *r, const ge25519_p1p1 *p);
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extern void ge25519_p1p1_to_p3(ge25519_p3 *r, const ge25519_p1p1 *p);
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extern void ge25519_add_p1p1(ge25519_p1p1 *r, const ge25519_p3 *p, const ge25519_p3 *q);
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extern void ge25519_dbl_p1p1(ge25519_p1p1 *r, const ge25519_p2 *p);
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extern void choose_t(ge25519_niels *t, unsigned long long pos, signed long long b, const ge25519_niels *base_multiples);
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extern void ge25519_nielsadd2(ge25519_p3 *r, const ge25519_niels *q);
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extern void ge25519_nielsadd_p1p1(ge25519_p1p1 *r, const ge25519_p3 *p, const ge25519_niels *q);
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extern void ge25519_pnielsadd_p1p1(ge25519_p1p1 *r, const ge25519_p3 *p, const ge25519_pniels *q);
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extern const ge25519 ge25519_base;
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extern int ge25519_unpackneg_vartime(ge25519 *r, const unsigned char p[32]);
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extern void ge25519_pack(unsigned char r[32], const ge25519 *p);
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extern int ge25519_isneutral_vartime(const ge25519 *p);
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extern void ge25519_add(ge25519 *r, const ge25519 *p, const ge25519 *q);
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extern void ge25519_double(ge25519 *r, const ge25519 *p);
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/* computes [s1]p1 + [s2]ge25519_base */
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extern void ge25519_double_scalarmult_vartime(ge25519 *r, const ge25519 *p1, const sc25519 *s1, const sc25519 *s2);
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extern void ge25519_multi_scalarmult_vartime(ge25519 *r, ge25519 *p, sc25519 *s, const unsigned long long npoints);
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extern void ge25519_scalarmult_base(ge25519 *r, const sc25519 *s);
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#endif
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