Replace memset by OPENSSL_cleanse

in some areas where clearing memory is critical.
ghostlander · Sep 23, 2021 · 8b02775 · 8b02775
1 parent ba36703
commit 8b02775
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/base58.h b/src/base58.h
@@ -179,7 +179,7 @@ class CBase58Data {
     ~CBase58Data() {
         // zero the memory, as it may contain sensitive data
         if(!vchData.empty())
-            memset(&vchData[0], 0, vchData.size());
+            OPENSSL_cleanse(&vchData[0], vchData.size());
     }
 
     void SetData(int nVersionIn, const void* pdata, size_t nSize) {

diff --git a/src/util.cpp b/src/util.cpp
@@ -117,7 +117,7 @@ instance_of_cinit;
 void RandAddSeed() {
     int64 nCounter = GetTimeMicros();
     RAND_add(&nCounter, sizeof(nCounter), 1.5);
-    memset(&nCounter, 0, sizeof(nCounter));
+    OPENSSL_cleanse(&nCounter, sizeof(nCounter));
 }
 
 void RandAddSeedPerfmon()