From bb54bf8c1db42be2c5002f6c5a5e46e074533229 Mon Sep 17 00:00:00 2001
From: JoelKatz <DavidJoelSchwartz@GMail.com>
Date: Fri, 8 Jun 2012 22:21:16 -0700
Subject: [PATCH] Change some BN_free to BN_clear_free

---
 src/DeterministicKeys.cpp | 12 ++++++------
 src/key.h                 |  4 ++--
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/DeterministicKeys.cpp b/src/DeterministicKeys.cpp
index 75e36bdc21..2373fe52c1 100644
--- a/src/DeterministicKeys.cpp
+++ b/src/DeterministicKeys.cpp
@@ -78,7 +78,7 @@ EC_KEY* CKey::GenerateRootDeterministicKey(const uint128& seed)
 	{ // set the random point as the private key
 		assert(false);
 		EC_KEY_free(pkey);
-		BN_free(privKey);
+		BN_clear_free(privKey);
 		BN_CTX_free(ctx);
 		return NULL;
 	}
@@ -87,13 +87,13 @@ EC_KEY* CKey::GenerateRootDeterministicKey(const uint128& seed)
 	if(!EC_POINT_mul(EC_KEY_get0_group(pkey), pubKey, privKey, NULL, NULL, ctx))
 	{ // compute the corresponding public key point
 		assert(false);
-		BN_free(privKey);
+		BN_clear_free(privKey);
 		EC_POINT_free(pubKey);
 		EC_KEY_free(pkey);
 		BN_CTX_free(ctx);
 		return NULL;
 	}
-	BN_free(privKey);
+	BN_clear_free(privKey);
 	if(!EC_KEY_set_public_key(pkey, pubKey))
 	{
 		assert(false);
@@ -272,19 +272,19 @@ EC_KEY* CKey::GeneratePrivateDeterministicKey(const NewcoinAddress& pubGen, cons
 	EC_POINT* pubKey=EC_POINT_new(EC_KEY_get0_group(pkey));
 	if(!pubKey)
 	{
-		BN_free(privKey);
+		BN_clear_free(privKey);
 		BN_CTX_free(ctx);
 		EC_KEY_free(pkey);
 		return NULL;
 	}
 	if(EC_POINT_mul(EC_KEY_get0_group(pkey), pubKey, privKey, NULL, NULL, ctx)==0)
 	{
-		BN_free(privKey);
+		BN_clear_free(privKey);
 		BN_CTX_free(ctx);
 		EC_KEY_free(pkey);
 		return NULL;
 	}
-	BN_free(privKey);
+	BN_clear_free(privKey);
 	EC_KEY_set_public_key(pkey, pubKey);
 
 	EC_POINT_free(pubKey);
diff --git a/src/key.h b/src/key.h
index c287c51490..38a47e8c26 100644
--- a/src/key.h
+++ b/src/key.h
@@ -239,11 +239,11 @@ public:
 		BIGNUM* bn = BN_bin2bn(key.begin(), key.size(), NULL);
 		if (!EC_KEY_set_private_key(pkey, bn))
 		{
-			BN_free(bn);
+			BN_clear_free(bn);
 			throw key_error("CKey::SetPrivateKeyU: EC_KEY_set_private_key failed");
 		}
 		fSet = true;
-		BN_free(bn);
+		BN_clear_free(bn);
 	}
 
 	void SetPubSeq(const NewcoinAddress& masterKey, int keyNum)