frost/secp256k1-zkp
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C89 nits and dead code removal.

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Gregory Maxwell
2015-01-23 04:17:12 +00:00
parent a9f350d309
commit 3627437d80
8 changed files with 32 additions and 39 deletions
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9
src/group_impl.h
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@@ -93,7 +93,7 @@ static void secp256k1_ge_set_gej_var(secp256k1_ge_t *r, secp256k1_gej_t *a) {
r->y = a->y;
}
static void secp256k1_ge_set_all_gej_var(size_t len, secp256k1_ge_t r[len], const secp256k1_gej_t a[len]) {
static void secp256k1_ge_set_all_gej_var(size_t len, secp256k1_ge_t *r, const secp256k1_gej_t *a) {
size_t count = 0;
secp256k1_fe_t *az = checked_malloc(sizeof(secp256k1_fe_t) * len);
for (size_t i=0; i<len; i++) {
@@ -220,9 +220,10 @@ static int secp256k1_ge_is_valid_var(const secp256k1_ge_t *a) {
}
static void secp256k1_gej_double_var(secp256k1_gej_t *r, const secp256k1_gej_t *a) {
// For secp256k1, 2Q is infinity if and only if Q is infinity. This is because if 2Q = infinity,
// Q must equal -Q, or that Q.y == -(Q.y), or Q.y is 0. For a point on y^2 = x^3 + 7 to have
// y=0, x^3 must be -7 mod p. However, -7 has no cube root mod p.
/** For secp256k1, 2Q is infinity if and only if Q is infinity. This is because if 2Q = infinity,
* Q must equal -Q, or that Q.y == -(Q.y), or Q.y is 0. For a point on y^2 = x^3 + 7 to have
* y=0, x^3 must be -7 mod p. However, -7 has no cube root mod p.
*/
r->infinity = a->infinity;
if (r->infinity) {
return;