refactor: Make generator a parameter of ecmult_gen_create_prec_table

BlockstreamResearch · Dec 3, 2021 · e1a7653 · e1a7653
1 parent 9ad09f6
commit e1a7653
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Showing 3 changed files with 4 additions and 4 deletions.
diff --git a/src/ecmult_gen_prec.h b/src/ecmult_gen_prec.h
@@ -11,6 +11,6 @@
 
 static const size_t ECMULT_GEN_PREC_TABLE_SIZE = ECMULT_GEN_PREC_N * ECMULT_GEN_PREC_G * sizeof(secp256k1_ge_storage);
 
-static void secp256k1_ecmult_gen_create_prec_table(secp256k1_ge_storage* table);
+static void secp256k1_ecmult_gen_create_prec_table(secp256k1_ge_storage* table, const secp256k1_ge* gen);
 
 #endif /* SECP256K1_ECMULT_GEN_PREC_H */
diff --git a/src/ecmult_gen_prec_impl.h b/src/ecmult_gen_prec_impl.h
@@ -12,14 +12,14 @@
 #include "field_impl.h"
 #include "ecmult_gen.h"
 
-static void secp256k1_ecmult_gen_create_prec_table(secp256k1_ge_storage* table) {
+static void secp256k1_ecmult_gen_create_prec_table(secp256k1_ge_storage* table, const secp256k1_ge* gen) {
     secp256k1_ge prec[ECMULT_GEN_PREC_N * ECMULT_GEN_PREC_G];
     secp256k1_gej gj;
     secp256k1_gej nums_gej;
     int i, j;
 
     /* get the generator */
-    secp256k1_gej_set_ge(&gj, &secp256k1_ge_const_g);
+    secp256k1_gej_set_ge(&gj, gen);
 
     /* Construct a group element with no known corresponding scalar (nothing up my sleeve). */
     {

diff --git a/src/gen_ecmult_gen_static_prec_table.c b/src/gen_ecmult_gen_static_prec_table.c
@@ -60,7 +60,7 @@ int main(int argc, char **argv) {
     fprintf(fp, "static const secp256k1_ge_storage secp256k1_ecmult_gen_prec_table[ECMULT_GEN_PREC_N][ECMULT_GEN_PREC_G] = {\n");
 
     table = checked_malloc(&default_error_callback, ECMULT_GEN_PREC_TABLE_SIZE);
-    secp256k1_ecmult_gen_create_prec_table(table);
+    secp256k1_ecmult_gen_create_prec_table(table, &secp256k1_ge_const_g);
     for(outer = 0; outer != ECMULT_GEN_PREC_N; outer++) {
         fprintf(fp,"{\n");
         for(inner = 0; inner != ECMULT_GEN_PREC_G; inner++) {