diff options
| author | Johnson Lau <jl2012@xbt.hk> | 2016-10-02 01:19:33 +0800 |
|---|---|---|
| committer | Johnson Lau <jl2012@xbt.hk> | 2016-10-16 23:53:35 +0800 |
| commit | 4c0c25a604cec39675187507df423cff5d707ab5 (patch) | |
| tree | efdefd6a50693257a234ebf9a8988c306a54a12b /src/script/sign.cpp | |
| parent | 3ade2f64cfe43ab53e4869ffc35d5fd23201e1c1 (diff) | |
Require compressed keys in segwit as policy and disable signing with uncompressed keys for segwit scripts
Diffstat (limited to 'src/script/sign.cpp')
| -rw-r--r-- | src/script/sign.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/script/sign.cpp b/src/script/sign.cpp index 87f38d9c72..f552ad5bba 100644 --- a/src/script/sign.cpp +++ b/src/script/sign.cpp @@ -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; |