diff options
Diffstat (limited to 'src/script.cpp')
| -rw-r--r-- | src/script.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/script.cpp b/src/script.cpp index 70adf1f9dc..5e5cd096cd 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"); @@ -340,7 +341,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co // if (!script.GetOp(pc, opcode, vchPushValue)) return false; - if (vchPushValue.size() > 520) + if (vchPushValue.size() > MAX_SCRIPT_ELEMENT_SIZE) return false; if (opcode > OP_16 && ++nOpCount > 201) return false; @@ -670,7 +671,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co valtype& vch2 = stacktop(-1); vch1.insert(vch1.end(), vch2.begin(), vch2.end()); popstack(stack); - if (stacktop(-1).size() > 520) + if (stacktop(-1).size() > MAX_SCRIPT_ELEMENT_SIZE) return false; } break; |