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Cleanups.# modified: Peer.cpp

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This commit is contained in:
JoelKatz
2011-12-17 21:24:04 -08:00
parent 80b2ac8ee2
commit d9e2f1ebfa
1 changed files with 12 additions and 3 deletions
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15
DeterministicKeys.cpp
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@@ -44,14 +44,20 @@ EC_KEY* CKey::GenerateDeterministicKey(const uint256& base, uint32 n, bool priva
int seq=0;
do
{ // private key must be non-zero and less than the curve's order
if(privKey!=NULL) BN_free(privKey);
Serializer s;
s.add32(n);
s.add256(base);
s.add32(seq++);
uint256 root=s.getSHA512Half();
privKey=BN_bin2bn((const unsigned char *) &root, sizeof(root), NULL);
memset(&root, 0, sizeof(root));
s.secureErase();
privKey=BN_bin2bn((const unsigned char *) &root, sizeof(root), privKey);
if(privKey==NULL)
{
EC_KEY_free(pkey);
BN_free(order);
BN_CTX_free(ctx);
}
root.zero();
} while(BN_is_zero(privKey) || (BN_cmp(privKey, order)>=0));
BN_free(order);
@@ -59,6 +65,7 @@ EC_KEY* CKey::GenerateDeterministicKey(const uint256& base, uint32 n, bool priva
if(private_key && !EC_KEY_set_private_key(pkey, privKey))
{ // set the random point as the private key
assert(false);
EC_KEY_free(pkey);
BN_free(privKey);
BN_CTX_free(ctx);
return NULL;
@@ -70,6 +77,7 @@ EC_KEY* CKey::GenerateDeterministicKey(const uint256& base, uint32 n, bool priva
assert(false);
BN_free(privKey);
EC_POINT_free(pubKey);
EC_KEY_free(pkey);
BN_CTX_free(ctx);
return NULL;
}
@@ -78,6 +86,7 @@ EC_KEY* CKey::GenerateDeterministicKey(const uint256& base, uint32 n, bool priva
{
assert(false);
EC_POINT_free(pubKey);
EC_KEY_free(pkey);
BN_CTX_free(ctx);
return NULL;
}