void CBitcoinSecret::SetSecret(const CPrivKey& vchSecret, bool fCompressed)
{
assert(vchSecret.size() == 32);
SetData(Params().Base58Prefix(CChainParams::SECRET_KEY), &vchSecret[0], vchSecret.size());
if (fCompressed)
vchData.push_back(1);
}
bool CKey::SetPrivKey(const CPrivKey& vchPrivKey)
{
const unsigned char* pbegin = &vchPrivKey[0];
if (!d2i_ECPrivateKey(&pkey, &pbegin, vchPrivKey.size()))
return false;
fSet = true;
return true;
}
bool CECKey::SetPrivKey(const CPrivKey &privkey, bool fSkipCheck) {
const unsigned char* pbegin = &privkey[0];
if (d2i_ECPrivateKey(&pkey, &pbegin, privkey.size())) {
if(fSkipCheck)
return true;
// d2i_ECPrivateKey returns true if parsing succeeds.
// This doesn't necessarily mean the key is valid.
if (EC_KEY_check_key(pkey))
return true;
}
return false;
}
bool CWalletDB::WriteKey(const CPubKey& vchPubKey, const CPrivKey& vchPrivKey, const CKeyMetadata& keyMeta)
{
if (!WriteIC(std::make_pair(std::string("keymeta"), vchPubKey), keyMeta, false)) {
return false;
}
// hash pubkey/privkey to accelerate wallet load
std::vector<unsigned char> vchKey;
vchKey.reserve(vchPubKey.size() + vchPrivKey.size());
vchKey.insert(vchKey.end(), vchPubKey.begin(), vchPubKey.end());
vchKey.insert(vchKey.end(), vchPrivKey.begin(), vchPrivKey.end());
return WriteIC(std::make_pair(std::string("key"), vchPubKey), std::make_pair(vchPrivKey, Hash(vchKey.begin(), vchKey.end())), false);
}
bool CKey::SetPrivKey(const CPrivKey& vchPrivKey)
{
const unsigned char* pbegin = &vchPrivKey[0];
if (d2i_ECPrivateKey(&pkey, &pbegin, vchPrivKey.size()))
{
// In testing, d2i_ECPrivateKey can return true
// but fill in pkey with a key that fails
// EC_KEY_check_key, so:
if (EC_KEY_check_key(pkey))
{
fSet = true;
return true;
}
}
// If vchPrivKey data is bad d2i_ECPrivateKey() can
// leave pkey in a state where calling EC_KEY_free()
// crashes. To avoid that, set pkey to NULL and
// leak the memory (a leak is better than a crash)
pkey = NULL;
Reset();
return false;
}
