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-rw-r--r--src/key.cpp29
1 files changed, 24 insertions, 5 deletions
diff --git a/src/key.cpp b/src/key.cpp
index 76256b864c..a91ed1cc1d 100644
--- a/src/key.cpp
+++ b/src/key.cpp
@@ -86,6 +86,20 @@ bool CKey::Sign(const uint256 &hash, std::vector<unsigned char>& vchSig) const {
return true;
}
+bool CKey::VerifyPubKey(const CPubKey& pubkey) const {
+ if (pubkey.IsCompressed() != fCompressed) {
+ return false;
+ }
+ unsigned char rnd[8];
+ std::string str = "Bitcoin key verification\n";
+ GetRandBytes(rnd, sizeof(rnd));
+ uint256 hash;
+ CHash256().Write((unsigned char*)str.data(), str.size()).Write(rnd, sizeof(rnd)).Finalize((unsigned char*)&hash);
+ std::vector<unsigned char> vchSig;
+ Sign(hash, vchSig);
+ return pubkey.Verify(hash, vchSig);
+}
+
bool CKey::SignCompact(const uint256 &hash, std::vector<unsigned char>& vchSig) const {
if (!fValid)
return false;
@@ -111,10 +125,7 @@ bool CKey::Load(CPrivKey &privkey, CPubKey &vchPubKey, bool fSkipCheck=false) {
if (fSkipCheck)
return true;
- if (GetPubKey() != vchPubKey)
- return false;
-
- return true;
+ return VerifyPubKey(vchPubKey);
}
bool CKey::Derive(CKey& keyChild, unsigned char ccChild[32], unsigned int nChild, const unsigned char cc[32]) const {
@@ -190,5 +201,13 @@ void CExtKey::Decode(const unsigned char code[74]) {
}
bool ECC_InitSanityCheck() {
- return CECKey::SanityCheck();
+#if !defined(USE_SECP256K1)
+ if (!CECKey::SanityCheck()) {
+ return false;
+ }
+#endif
+ CKey key;
+ key.MakeNewKey(true);
+ CPubKey pubkey = key.GetPubKey();
+ return key.VerifyPubKey(pubkey);
}