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Require compressed keys in segwit as policy and disable signing with uncompressed keys for segwit scripts

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This commit is contained in:
Johnson Lau
2016-10-02 01:19:33 +08:00
parent 3ade2f64cf
commit 4c0c25a604
8 changed files with 49 additions and 36 deletions
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6
src/script/sign.cpp
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@@ -1,5 +1,5 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2015 The Bitcoin Core developers
// Copyright (c) 2009-2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
@@ -26,6 +26,10 @@ bool TransactionSignatureCreator::CreateSig(std::vector<unsigned char>& vchSig,
if (!keystore->GetKey(address, key))
return false;
// Signing with uncompressed keys is disabled in witness scripts
if (sigversion == SIGVERSION_WITNESS_V0 && !key.IsCompressed())
return false;
uint256 hash = SignatureHash(scriptCode, *txTo, nIn, nHashType, amount, sigversion);
if (!key.Sign(hash, vchSig))
return false;