Remove unneeded modular reduction in CIP-3 private key derivation (#170)

MetaMask · May 14, 2024 · eeae5aa · eeae5aa
1 parent c863f2b
commit eeae5aa
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/derivers/cip3.ts b/src/derivers/cip3.ts
@@ -184,7 +184,7 @@ export const derivePrivateKey = async ({
   // 8[ZL] + kPL
   const childKl = add(trunc28Mul8(zl), parentKl);
   // ZR + kPR
-  const childKr = add(zr, mod2Pow256(parentKr));
+  const childKr = add(zr, parentKr);
   return concatBytes([childKl, childKr]);
 };