k256: normalize before calling is_odd() in sng0() (#533)

RustCrypto · Mar 15, 2022 · 71ca52d · 71ca52d
1 parent d661ea9
commit 71ca52d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/k256/src/arithmetic/hash2curve.rs b/k256/src/arithmetic/hash2curve.rs
@@ -46,7 +46,7 @@ impl FromOkm for FieldElement {
 
 impl Sgn0 for FieldElement {
     fn sgn0(&self) -> Choice {
-        self.is_odd()
+        self.normalize().is_odd()
     }
 }