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Make secp256k1_fe_sqrt constant time

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Pieter Wuille
2016-07-09 14:23:44 +02:00
parent e2a8e92125
commit 926836ad36
6 changed files with 24 additions and 14 deletions
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src/group.h
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@@ -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. */