xmr: bp - mem clean

trezor · Aug 24, 2018 · 31c9ca2 · 31c9ca2
1 parent 18b0348
commit 31c9ca2
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/apps/monero/xmr/bulletproof.py b/src/apps/monero/xmr/bulletproof.py
@@ -1226,6 +1226,8 @@ def _prove_batch_main(self, V, gamma, aL, aR, hash_cache, logM, logN, M, N):
         hadamard(r0, yMN, dst=r0)
         vector_add(r0, zero_twos, dst=r0)
         del (zero_twos)
+        self.gc(16)
+
         r1 = hadamard(yMN, sR)
         del (yMN, sR)
         self.gc(16)
@@ -1273,9 +1275,12 @@ def _prove_batch_main(self, V, gamma, aL, aR, hash_cache, logM, logN, M, N):
 
         # PAPER LINES 54-57
         l = vector_add(l0, vector_scalar(l1, x), l0)
+        del (l1, sL)
+        self.gc(19)
+
         r = vector_add(r0, vector_scalar(r1, x), r0)
         t = inner_product(l, r)
-        del (l1, r1, sL)
+        del (r1)
         self.gc(19)
 
         # PAPER LINES 32-33