More sensitive constant timing test

32 bytes buffers weren't big enough to make a difference if crypto_memcmp
and crypto_zerocmp don't run in constant time.  Increased to 64Kib instead.

diff --git a/tests/self.c b/tests/self.c
index 4ac22927c8ac92dec45709adc516bbe0a6b659fb..6e27fa36a50f2adf1384c62a1f111fb8ed895ff9 100644 (file)
--- a/tests/self.c
+++ b/tests/self.c
@@ -296,8 +296,8 @@ static u64 rand64()
 // Tests that constant-time comparison is actually constant-time.
 static int test_cmp()
 {
-    u8 va[32] = {0};
-    u8 vb[32] = {0};
+    u8 va[1024 * 64] = {0};
+    u8 vb[1024 * 64] = {0};
     clock_t t1, t2, d;
     int status = 0;