diff options
Diffstat (limited to 'src/secp256k1/src/group.h')
| -rw-r--r-- | src/secp256k1/src/group.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/secp256k1/src/group.h b/src/secp256k1/src/group.h index ebfe1ca70c..d515716744 100644 --- a/src/secp256k1/src/group.h +++ b/src/secp256k1/src/group.h @@ -47,7 +47,7 @@ static void secp256k1_ge_set_xy(secp256k1_ge *r, const secp256k1_fe *x, const se * and a Y coordinate that is a quadratic residue modulo p. The return value * is true iff a coordinate with the given X coordinate exists. */ -static int secp256k1_ge_set_xquad_var(secp256k1_ge *r, const secp256k1_fe *x); +static int secp256k1_ge_set_xquad(secp256k1_ge *r, const secp256k1_fe *x); /** Set a group element (affine) equal to the point with the given X coordinate, and given oddness * for Y. Return value indicates whether the result is valid. */ @@ -94,6 +94,9 @@ static void secp256k1_gej_neg(secp256k1_gej *r, const secp256k1_gej *a); /** Check whether a group element is the point at infinity. */ static int secp256k1_gej_is_infinity(const secp256k1_gej *a); +/** Check whether a group element's y coordinate is a quadratic residue. */ +static int secp256k1_gej_has_quad_y_var(const secp256k1_gej *a); + /** Set r equal to the double of a. If rzr is not-NULL, r->z = a->z * *rzr (where infinity means an implicit z = 0). * a may not be zero. Constant time. */ static void secp256k1_gej_double_nonzero(secp256k1_gej *r, const secp256k1_gej *a, secp256k1_fe *rzr); |