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Diffstat (limited to 'src/third_party/sike/isogeny.h')
-rw-r--r-- | src/third_party/sike/isogeny.h | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/src/third_party/sike/isogeny.h b/src/third_party/sike/isogeny.h deleted file mode 100644 index 18337dd2..00000000 --- a/src/third_party/sike/isogeny.h +++ /dev/null @@ -1,49 +0,0 @@ -#ifndef ISOGENY_H_ -#define ISOGENY_H_ - -// Computes [2^e](X:Z) on Montgomery curve with projective -// constant via e repeated doublings. -void sike_xDBLe( - const point_proj_t P, point_proj_t Q, const f2elm_t A24plus, - const f2elm_t C24, size_t e); -// Simultaneous doubling and differential addition. -void sike_xDBLADD( - point_proj_t P, point_proj_t Q, const f2elm_t xPQ, - const f2elm_t A24); -// Tripling of a Montgomery point in projective coordinates (X:Z). -void sike_xTPL( - const point_proj_t P, point_proj_t Q, const f2elm_t A24minus, - const f2elm_t A24plus); -// Computes [3^e](X:Z) on Montgomery curve with projective constant -// via e repeated triplings. -void sike_xTPLe( - const point_proj_t P, point_proj_t Q, const f2elm_t A24minus, - const f2elm_t A24plus, size_t e); -// Given the x-coordinates of P, Q, and R, returns the value A -// corresponding to the Montgomery curve E_A: y^2=x^3+A*x^2+x such that R=Q-P on E_A. -void sike_get_A( - const f2elm_t xP, const f2elm_t xQ, const f2elm_t xR, f2elm_t A); -// Computes the j-invariant of a Montgomery curve with projective constant. -void sike_j_inv( - const f2elm_t A, const f2elm_t C, f2elm_t jinv); -// Computes the corresponding 4-isogeny of a projective Montgomery -// point (X4:Z4) of order 4. -void sike_get_4_isog( - const point_proj_t P, f2elm_t A24plus, f2elm_t C24, f2elm_t* coeff); -// Computes the corresponding 3-isogeny of a projective Montgomery -// point (X3:Z3) of order 3. -void sike_get_3_isog( - const point_proj_t P, f2elm_t A24minus, f2elm_t A24plus, - f2elm_t* coeff); -// Computes the 3-isogeny R=phi(X:Z), given projective point (X3:Z3) -// of order 3 on a Montgomery curve and a point P with coefficients given in coeff. -void sike_eval_3_isog( - point_proj_t Q, f2elm_t* coeff); -// Evaluates the isogeny at the point (X:Z) in the domain of the isogeny. -void sike_eval_4_isog( - point_proj_t P, f2elm_t* coeff); -// 3-way simultaneous inversion -void sike_inv_3_way( - f2elm_t z1, f2elm_t z2, f2elm_t z3); - -#endif // ISOGENY_H_ |