ObfusString: Do at least a single LCG step before using its state

calamity-inc · Jan 17, 2025 · 343313c · 343313c
1 parent b644a4a
commit 343313c
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/soup/ObfusString.hpp b/soup/ObfusString.hpp
@@ -53,11 +53,11 @@ NAMESPACE_SOUP
 			for (size_t i = 0; i != Len; ++i)
 			{
 				const auto m = i % 8;
-				m_data[i] ^= rng.state >> (m * 8);
-				if (m == 7)
+				if (m == 0)
 				{
 					rng.skip();
 				}
+				m_data[i] ^= rng.state >> (m * 8);
 			}
 
 			// mirror
@@ -86,11 +86,11 @@ NAMESPACE_SOUP
 			for (size_t i = 0; i != Len; ++i)
 			{
 				const auto m = i % 8;
-				m_data[i] ^= rng.state >> (m * 8);
-				if (m == 7)
+				if (m == 0)
 				{
 					rng.skip();
 				}
+				m_data[i] ^= rng.state >> (m * 8);
 			}
 
 			// rot13