base58: add paranoid return value checks

This commit is contained in:
Jeff Garzik 2014-06-11 23:20:37 -04:00
parent 4800ccb823
commit 88df548dde

View file

@ -114,9 +114,8 @@ std::string EncodeBase58Check(const std::vector<unsigned char>& vchIn) {
}
bool DecodeBase58Check(const char* psz, std::vector<unsigned char>& vchRet) {
if (!DecodeBase58(psz, vchRet))
return false;
if (vchRet.size() < 4)
if (!DecodeBase58(psz, vchRet) ||
(vchRet.size() < 4))
{
vchRet.clear();
return false;
@ -154,8 +153,8 @@ void CBase58Data::SetData(const std::vector<unsigned char> &vchVersionIn, const
bool CBase58Data::SetString(const char* psz, unsigned int nVersionBytes) {
std::vector<unsigned char> vchTemp;
DecodeBase58Check(psz, vchTemp);
if (vchTemp.size() < nVersionBytes) {
bool rc58 = DecodeBase58Check(psz, vchTemp);
if ((!rc58) || (vchTemp.size() < nVersionBytes)) {
vchData.clear();
vchVersion.clear();
return false;