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Replace CBitcoinSecret with {Encode,Decode}Secret

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This commit is contained in:
Pieter Wuille 2017-09-19 16:49:52 -07:00
parent ffc6e48b29
commit 32e69fa0df
9 changed files with 62 additions and 118 deletions
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48
src/base58.cpp
View File

@ -323,39 +323,35 @@ CTxDestination DecodeDestination(const std::string& str, const CChainParams& par
}
} // namespace
void CBitcoinSecret::SetKey(const CKey& vchSecret)
CKey DecodeSecret(const std::string& str)
{
assert(vchSecret.IsValid());
SetData(Params().Base58Prefix(CChainParams::SECRET_KEY), vchSecret.begin(), vchSecret.size());
if (vchSecret.IsCompressed())
vchData.push_back(1);
CKey key;
std::vector<unsigned char> data;
if (DecodeBase58Check(str, data)) {
const std::vector<unsigned char>& privkey_prefix = Params().Base58Prefix(CChainParams::SECRET_KEY);
if ((data.size() == 32 + privkey_prefix.size() || (data.size() == 33 + privkey_prefix.size() && data.back() == 1)) &&
std::equal(privkey_prefix.begin(), privkey_prefix.end(), data.begin())) {
bool compressed = data.size() == 33 + privkey_prefix.size();
key.Set(data.begin() + privkey_prefix.size(), data.begin() + privkey_prefix.size() + 32, compressed);
}
}
memory_cleanse(data.data(), data.size());
return key;
}
CKey CBitcoinSecret::GetKey()
std::string EncodeSecret(const CKey& key)
{
CKey ret;
assert(vchData.size() >= 32);
ret.Set(vchData.begin(), vchData.begin() + 32, vchData.size() > 32 && vchData[32] == 1);
assert(key.IsValid());
std::vector<unsigned char> data = Params().Base58Prefix(CChainParams::SECRET_KEY);
data.insert(data.end(), key.begin(), key.end());
if (key.IsCompressed()) {
data.push_back(1);
}
std::string ret = EncodeBase58Check(data);
memory_cleanse(data.data(), data.size());
return ret;
}
bool CBitcoinSecret::IsValid() const
{
bool fExpectedFormat = vchData.size() == 32 || (vchData.size() == 33 && vchData[32] == 1);
bool fCorrectVersion = vchVersion == Params().Base58Prefix(CChainParams::SECRET_KEY);
return fExpectedFormat && fCorrectVersion;
}
bool CBitcoinSecret::SetString(const char* pszSecret)
{
return CBase58Data::SetString(pszSecret) && IsValid();
}
bool CBitcoinSecret::SetString(const std::string& strSecret)
{
return SetString(strSecret.c_str());
}
std::string EncodeDestination(const CTxDestination& dest)
{
return boost::apply_visitor(DestinationEncoder(Params()), dest);

17
src/base58.h
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@ -94,21 +94,8 @@ public:
bool operator> (const CBase58Data& b58) const { return CompareTo(b58) > 0; }
};
/**
* A base58-encoded secret key
*/
class CBitcoinSecret : public CBase58Data
{
public:
void SetKey(const CKey& vchSecret);
CKey GetKey();
bool IsValid() const;
bool SetString(const char* pszSecret);
bool SetString(const std::string& strSecret);
CBitcoinSecret(const CKey& vchSecret) { SetKey(vchSecret); }
CBitcoinSecret() {}
};
CKey DecodeSecret(const std::string& str);
std::string EncodeSecret(const CKey& key);
template<typename K, int Size, CChainParams::Base58Type Type> class CBitcoinExtKeyBase : public CBase58Data
{

8
src/bitcoin-tx.cpp
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@ -563,12 +563,10 @@ static void MutateTxSign(CMutableTransaction& tx, const std::string& flagStr)
for (unsigned int kidx = 0; kidx < keysObj.size(); kidx++) {
if (!keysObj[kidx].isStr())
throw std::runtime_error("privatekey not a std::string");
CBitcoinSecret vchSecret;
bool fGood = vchSecret.SetString(keysObj[kidx].getValStr());
if (!fGood)
CKey key = DecodeSecret(keysObj[kidx].getValStr());
if (!key.IsValid()) {
throw std::runtime_error("privatekey not valid");
CKey key = vchSecret.GetKey();
}
tempKeystore.AddKey(key);
}

9
src/rpc/misc.cpp
View File

@ -224,13 +224,10 @@ UniValue signmessagewithprivkey(const JSONRPCRequest& request)
std::string strPrivkey = request.params[0].get_str();
std::string strMessage = request.params[1].get_str();
CBitcoinSecret vchSecret;
bool fGood = vchSecret.SetString(strPrivkey);
if (!fGood)
CKey key = DecodeSecret(strPrivkey);
if (!key.IsValid()) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key");
CKey key = vchSecret.GetKey();
if (!key.IsValid())
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Private key outside allowed range");
}
CHashWriter ss(SER_GETHASH, 0);
ss << strMessageMagic;

8
src/rpc/rawtransaction.cpp
View File

@ -896,13 +896,9 @@ UniValue signrawtransactionwithkey(const JSONRPCRequest& request)
const UniValue& keys = request.params[1].get_array();
for (unsigned int idx = 0; idx < keys.size(); ++idx) {
UniValue k = keys[idx];
CBitcoinSecret vchSecret;
if (!vchSecret.SetString(k.get_str())) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key");
}
CKey key = vchSecret.GetKey();
CKey key = DecodeSecret(k.get_str());
if (!key.IsValid()) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Private key outside allowed range");
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key");
}
keystore.AddKey(key);
}

21
src/test/base58_tests.cpp
View File

@ -77,7 +77,7 @@ BOOST_AUTO_TEST_CASE(base58_DecodeBase58)
BOOST_AUTO_TEST_CASE(base58_keys_valid_parse)
{
UniValue tests = read_json(std::string(json_tests::base58_keys_valid, json_tests::base58_keys_valid + sizeof(json_tests::base58_keys_valid)));
CBitcoinSecret secret;
CKey privkey;
CTxDestination destination;
SelectParams(CBaseChainParams::MAIN);
@ -97,9 +97,8 @@ BOOST_AUTO_TEST_CASE(base58_keys_valid_parse)
if (isPrivkey) {
bool isCompressed = find_value(metadata, "isCompressed").get_bool();
// Must be valid private key
BOOST_CHECK_MESSAGE(secret.SetString(exp_base58string), "!SetString:"+ strTest);
BOOST_CHECK_MESSAGE(secret.IsValid(), "!IsValid:" + strTest);
CKey privkey = secret.GetKey();
privkey = DecodeSecret(exp_base58string);
BOOST_CHECK_MESSAGE(privkey.IsValid(), "!IsValid:" + strTest);
BOOST_CHECK_MESSAGE(privkey.IsCompressed() == isCompressed, "compressed mismatch:" + strTest);
BOOST_CHECK_MESSAGE(privkey.size() == exp_payload.size() && std::equal(privkey.begin(), privkey.end(), exp_payload.begin()), "key mismatch:" + strTest);
@ -129,8 +128,8 @@ BOOST_AUTO_TEST_CASE(base58_keys_valid_parse)
}
// Public key must be invalid private key
secret.SetString(exp_base58string);
BOOST_CHECK_MESSAGE(!secret.IsValid(), "IsValid pubkey as privkey:" + strTest);
privkey = DecodeSecret(exp_base58string);
BOOST_CHECK_MESSAGE(!privkey.IsValid(), "IsValid pubkey as privkey:" + strTest);
}
}
}
@ -158,9 +157,7 @@ BOOST_AUTO_TEST_CASE(base58_keys_valid_gen)
CKey key;
key.Set(exp_payload.begin(), exp_payload.end(), isCompressed);
assert(key.IsValid());
CBitcoinSecret secret;
secret.SetKey(key);
BOOST_CHECK_MESSAGE(secret.ToString() == exp_base58string, "result mismatch: " + strTest);
BOOST_CHECK_MESSAGE(EncodeSecret(key) == exp_base58string, "result mismatch: " + strTest);
} else {
CTxDestination dest;
CScript exp_script(exp_payload.begin(), exp_payload.end());
@ -179,7 +176,7 @@ BOOST_AUTO_TEST_CASE(base58_keys_valid_gen)
BOOST_AUTO_TEST_CASE(base58_keys_invalid)
{
UniValue tests = read_json(std::string(json_tests::base58_keys_invalid, json_tests::base58_keys_invalid + sizeof(json_tests::base58_keys_invalid))); // Negative testcases
CBitcoinSecret secret;
CKey privkey;
CTxDestination destination;
for (unsigned int idx = 0; idx < tests.size(); idx++) {
@ -197,8 +194,8 @@ BOOST_AUTO_TEST_CASE(base58_keys_invalid)
SelectParams(chain);
destination = DecodeDestination(exp_base58string);
BOOST_CHECK_MESSAGE(!IsValidDestination(destination), "IsValid pubkey in mainnet:" + strTest);
secret.SetString(exp_base58string);
BOOST_CHECK_MESSAGE(!secret.IsValid(), "IsValid privkey in mainnet:" + strTest);
privkey = DecodeSecret(exp_base58string);
BOOST_CHECK_MESSAGE(!privkey.IsValid(), "IsValid privkey in mainnet:" + strTest);
}
}
}

5
src/test/bloom_tests.cpp
View File

@ -85,10 +85,7 @@ BOOST_AUTO_TEST_CASE(bloom_create_insert_serialize_with_tweak)
BOOST_AUTO_TEST_CASE(bloom_create_insert_key)
{
std::string strSecret = std::string("5Kg1gnAjaLfKiwhhPpGS3QfRg2m6awQvaj98JCZBZQ5SuS2F15C");
CBitcoinSecret vchSecret;
BOOST_CHECK(vchSecret.SetString(strSecret));
CKey key = vchSecret.GetKey();
CKey key = DecodeSecret(strSecret);
CPubKey pubkey = key.GetPubKey();
std::vector<unsigned char> vchPubKey(pubkey.begin(), pubkey.end());

25
src/test/key_tests.cpp
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@ -32,21 +32,16 @@ BOOST_FIXTURE_TEST_SUITE(key_tests, BasicTestingSetup)
BOOST_AUTO_TEST_CASE(key_test1)
{
CBitcoinSecret bsecret1, bsecret2, bsecret1C, bsecret2C, baddress1;
BOOST_CHECK( bsecret1.SetString (strSecret1));
BOOST_CHECK( bsecret2.SetString (strSecret2));
BOOST_CHECK( bsecret1C.SetString(strSecret1C));
BOOST_CHECK( bsecret2C.SetString(strSecret2C));
BOOST_CHECK(!baddress1.SetString(strAddressBad));
CKey key1 = bsecret1.GetKey();
BOOST_CHECK(key1.IsCompressed() == false);
CKey key2 = bsecret2.GetKey();
BOOST_CHECK(key2.IsCompressed() == false);
CKey key1C = bsecret1C.GetKey();
BOOST_CHECK(key1C.IsCompressed() == true);
CKey key2C = bsecret2C.GetKey();
BOOST_CHECK(key2C.IsCompressed() == true);
CKey key1 = DecodeSecret(strSecret1);
BOOST_CHECK(key1.IsValid() && !key1.IsCompressed());
CKey key2 = DecodeSecret(strSecret2);
BOOST_CHECK(key2.IsValid() && !key2.IsCompressed());
CKey key1C = DecodeSecret(strSecret1C);
BOOST_CHECK(key1C.IsValid() && key1C.IsCompressed());
CKey key2C = DecodeSecret(strSecret2C);
BOOST_CHECK(key2C.IsValid() && key2C.IsCompressed());
CKey bad_key = DecodeSecret(strAddressBad);
BOOST_CHECK(!bad_key.IsValid());
CPubKey pubkey1 = key1. GetPubKey();
CPubKey pubkey2 = key2. GetPubKey();

39
src/wallet/rpcdump.cpp
View File

@ -147,13 +147,8 @@ UniValue importprivkey(const JSONRPCRequest& request)
throw JSONRPCError(RPC_WALLET_ERROR, "Wallet is currently rescanning. Abort existing rescan or wait.");
}
CBitcoinSecret vchSecret;
bool fGood = vchSecret.SetString(strSecret);
if (!fGood) throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key encoding");
CKey key = vchSecret.GetKey();
if (!key.IsValid()) throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Private key outside allowed range");
CKey key = DecodeSecret(strSecret);
if (!key.IsValid()) throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key encoding");
CPubKey pubkey = key.GetPubKey();
assert(key.VerifyPubKey(pubkey));
@ -554,9 +549,8 @@ UniValue importwallet(const JSONRPCRequest& request)
boost::split(vstr, line, boost::is_any_of(" "));
if (vstr.size() < 2)
continue;
CBitcoinSecret vchSecret;
if (vchSecret.SetString(vstr[0])) {
CKey key = vchSecret.GetKey();
CKey key = DecodeSecret(vstr[0]);
if (key.IsValid()) {
CPubKey pubkey = key.GetPubKey();
assert(key.VerifyPubKey(pubkey));
CKeyID keyid = pubkey.GetID();
@ -659,7 +653,7 @@ UniValue dumpprivkey(const JSONRPCRequest& request)
if (!pwallet->GetKey(keyid, vchSecret)) {
throw JSONRPCError(RPC_WALLET_ERROR, "Private key for address " + strAddress + " is not known");
}
return CBitcoinSecret(vchSecret).ToString();
return EncodeSecret(vchSecret);
}
@ -755,7 +749,7 @@ UniValue dumpwallet(const JSONRPCRequest& request)
std::string strLabel;
CKey key;
if (pwallet->GetKey(keyid, key)) {
file << strprintf("%s %s ", CBitcoinSecret(key).ToString(), strTime);
file << strprintf("%s %s ", EncodeSecret(key), strTime);
if (GetWalletAddressesForKey(pwallet, keyid, strAddr, strLabel)) {
file << strprintf("label=%s", strLabel);
} else if (keyid == masterKeyID) {
@ -911,17 +905,10 @@ UniValue ProcessImport(CWallet * const pwallet, const UniValue& data, const int6
for (size_t i = 0; i < keys.size(); i++) {
const std::string& privkey = keys[i].get_str();
CBitcoinSecret vchSecret;
bool fGood = vchSecret.SetString(privkey);
if (!fGood) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key encoding");
}
CKey key = vchSecret.GetKey();
CKey key = DecodeSecret(privkey);
if (!key.IsValid()) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Private key outside allowed range");
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key encoding");
}
CPubKey pubkey = key.GetPubKey();
@ -1018,16 +1005,10 @@ UniValue ProcessImport(CWallet * const pwallet, const UniValue& data, const int6
const std::string& strPrivkey = keys[0].get_str();
// Checks.
CBitcoinSecret vchSecret;
bool fGood = vchSecret.SetString(strPrivkey);
CKey key = DecodeSecret(strPrivkey);
if (!fGood) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key encoding");
}
CKey key = vchSecret.GetKey();
if (!key.IsValid()) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Private key outside allowed range");
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key encoding");
}
CPubKey pubKey = key.GetPubKey();