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Merge pull request #868 from sipa/fix_650

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Fix #650: CKey::SetSecret BIGNUM leak
This commit is contained in:
Pieter Wuille 2012-02-19 18:04:46 -08:00
commit 49355d9993
1 changed files with 4 additions and 1 deletions
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5
src/key.h
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@ -141,10 +141,13 @@ public:
if (vchSecret.size() != 32) if (vchSecret.size() != 32)
throw key_error("CKey::SetSecret() : secret must be 32 bytes"); throw key_error("CKey::SetSecret() : secret must be 32 bytes");
BIGNUM *bn = BN_bin2bn(&vchSecret[0],32,BN_new()); BIGNUM *bn = BN_bin2bn(&vchSecret[0],32,BN_new());
if (bn == NULL) if (bn == NULL)
throw key_error("CKey::SetSecret() : BN_bin2bn failed"); throw key_error("CKey::SetSecret() : BN_bin2bn failed");
if (!EC_KEY_regenerate_key(pkey,bn)) if (!EC_KEY_regenerate_key(pkey,bn))
{
BN_clear_free(bn);
throw key_error("CKey::SetSecret() : EC_KEY_regenerate_key failed"); throw key_error("CKey::SetSecret() : EC_KEY_regenerate_key failed");
}
BN_clear_free(bn); BN_clear_free(bn);
fSet = true; fSet = true;
if (fCompressed || fCompressedPubKey) if (fCompressed || fCompressedPubKey)