more exports for banderwagon scalar mul

Author: Richa-iitr

bindings/c_curve_decls.nim

@@ -519,15 +519,31 @@ template genBindings_EC_TwEdw_Projective*(EC, EcAff, ScalarBig, ScalarField: unt
   func `ctt _ EC _ batch_affine`(dst: ptr UncheckedArray[EcAff], src: ptr UncheckedArray[EC], n: csize_t) =
     dst.batchAffine(src, cast[int](n))
 
-  func `ctt _ EC _ scalar_mul_big_coef`(
-    P: var EC, scalar: ScalarBig) =
+  func `ctt _ EC _ scalar_mul_big_coef`(P: var EC, scalar: ScalarBig) =
+    P.scalarMul(scalar)
 
+  func `ctt _ EC _ scalar_mul_fr_coef`(P: var EC, scalar: ScalarField) =
     P.scalarMul(scalar)
 
-  func `ctt _ EC _ scalar_mul_fr_coef`(
-        P: var EC, scalar: ScalarField) =
+  func `ctt _ EC _ scalar_mul_big_coef_vartime`(P: var EC, scalar: ScalarBig) =
+    P.scalarMul_vartime(scalar)
 
-    P.scalarMul(scalar)
+  func `ctt _ EC _ scalar_mul_fr_coef_vartime`(P: var EC, scalar: ScalarField) =
+    P.scalarMul_vartime(scalar)
+
+  func `ctt _ EC _ multi_scalar_mul_big_coefs_vartime`(
+          r: var EC,
+          coefs: ptr UncheckedArray[ScalarBig],
+          points: ptr UncheckedArray[EcAff],
+          len: csize_t) =
+    r.multiScalarMul_vartime(coefs, points, cast[int](len))
+
+  func `ctt _ EC _ multi_scalar_mul_fr_coefs_vartime`(
+          r: var EC,
+          coefs: ptr UncheckedArray[ScalarField],
+          points: ptr UncheckedArray[EcAff],
+          len: csize_t)=
+    r.multiScalarMul_vartime(coefs, points, cast[int](len))
 
   {.pop.}
 

constantine/lowlevel_elliptic_curves.nim

@@ -114,6 +114,7 @@ export ec_twistededwards.`-=`
 export ec_twistededwards.affine
 export ec_twistededwards.projective
 export ec_twistededwards.fromAffine
+export ec_twistededwards.batchAffine
 export ec_twistededwards.sum_vartime
 export ec_twistededwards.mixedSum_vartime
 export ec_twistededwards.diff_vartime

include/constantine/curves/banderwagon.h

@@ -118,6 +118,13 @@ void ctt_banderwagon_ec_prj_diff_in_place(banderwagon_ec_prj* P, const banderwag
 void ctt_banderwagon_ec_prj_mixed_diff_in_place(banderwagon_ec_prj* P, const banderwagon_ec_aff* Q);
 void ctt_banderwagon_ec_prj_affine(banderwagon_ec_aff* dst, const banderwagon_ec_prj* src);
 void ctt_banderwagon_ec_prj_from_affine(banderwagon_ec_prj* dst, const banderwagon_ec_aff* src);
+void ctt_banderwagon_ec_prj_batch_affine(const banderwagon_ec_aff dst[], const banderwagon_ec_prj src[], size_t n);
+void ctt_banderwagon_ec_prj_scalar_mul_big_coef(banderwagon_ec_prj* P, const big253* scalar);
+void ctt_banderwagon_ec_prj_scalar_mul_fr_coef(banderwagon_ec_prj* P, const banderwagon_fr* scalar);
+void ctt_banderwagon_ec_prj_scalar_mul_big_coef_vartime(banderwagon_ec_prj* P, const big253* scalar);
+void ctt_banderwagon_ec_prj_scalar_mul_fr_coef_vartime(banderwagon_ec_prj* P, const banderwagon_fr* scalar);
+void ctt_banderwagon_ec_prj_multi_scalar_mul_big_coefs_vartime(banderwagon_ec_prj* r, const big253 coefs[], const banderwagon_ec_aff points[], size_t len);
+void ctt_banderwagon_ec_prj_multi_scalar_mul_fr_coefs_vartime(banderwagon_ec_prj* r, const banderwagon_fr coefs[], const banderwagon_ec_aff points[], size_t len);
 
 #ifdef __cplusplus
 }