diff options
| -rw-r--r-- | src/script.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/script.cpp b/src/script.cpp index f65508aacc..f63668ac59 100644 --- a/src/script.cpp +++ b/src/script.cpp @@ -278,7 +278,8 @@ bool IsCanonicalSignature(const valtype &vchSig) { return error("Non-canonical signature: too short"); if (vchSig.size() > 73) return error("Non-canonical signature: too long"); - if (vchSig[vchSig.size() - 1] & 0x7C) + unsigned char nHashType = vchSig[vchSig.size() - 1] & (~(SIGHASH_ANYONECANPAY)); + if (nHashType < SIGHASH_ALL || nHashType > SIGHASH_SINGLE) return error("Non-canonical signature: unknown hashtype byte"); if (vchSig[0] != 0x30) return error("Non-canonical signature: wrong type"); |