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src/script/sigencoding.cpp
| Show First 20 Lines • Show All 162 Lines • ▼ Show 20 Lines | static bool CheckRawSignatureEncoding(const slicedvaltype &sig, uint32_t flags, | ||||
| if ((flags & SCRIPT_VERIFY_LOW_S) && !CPubKey::CheckLowS(sig)) { | if ((flags & SCRIPT_VERIFY_LOW_S) && !CPubKey::CheckLowS(sig)) { | ||||
| return set_error(serror, SCRIPT_ERR_SIG_HIGH_S); | return set_error(serror, SCRIPT_ERR_SIG_HIGH_S); | ||||
| } | } | ||||
| return true; | return true; | ||||
| } | } | ||||
| bool CheckDataSignatureEncoding(const valtype &vchSig, uint32_t flags, | bool CheckDataECDSASignatureEncoding(const valtype &vchSig, uint32_t flags, | ||||
| ScriptError *serror) { | ScriptError *serror) { | ||||
| // Empty signature. Not strictly DER encoded, but allowed to provide a | // Empty signature. Not strictly DER encoded, but allowed to provide a | ||||
| // compact way to provide an invalid signature for use with CHECK(MULTI)SIG | // compact way to provide an invalid signature for use with CHECK(MULTI)SIG | ||||
| if (vchSig.size() == 0) { | if (vchSig.size() == 0) { | ||||
| return true; | return true; | ||||
| } | } | ||||
| return CheckRawSignatureEncoding( | return CheckRawSignatureEncoding( | ||||
| vchSig | boost::adaptors::sliced(0, vchSig.size()), flags, serror); | vchSig | boost::adaptors::sliced(0, vchSig.size()), flags, serror); | ||||
| } | } | ||||
| bool CheckTransactionSignatureEncoding(const valtype &vchSig, uint32_t flags, | bool CheckTransactionECDSASignatureEncoding(const valtype &vchSig, | ||||
| uint32_t flags, | |||||
| ScriptError *serror) { | ScriptError *serror) { | ||||
| // Empty signature. Not strictly DER encoded, but allowed to provide a | // Empty signature. Not strictly DER encoded, but allowed to provide a | ||||
| // compact way to provide an invalid signature for use with CHECK(MULTI)SIG | // compact way to provide an invalid signature for use with CHECK(MULTI)SIG | ||||
| if (vchSig.size() == 0) { | if (vchSig.size() == 0) { | ||||
| return true; | return true; | ||||
| } | } | ||||
| if (!CheckRawSignatureEncoding( | if (!CheckRawSignatureEncoding( | ||||
| vchSig | boost::adaptors::sliced(0, vchSig.size() - 1), flags, | vchSig | boost::adaptors::sliced(0, vchSig.size() - 1), flags, | ||||
| ▲ Show 20 Lines • Show All 66 Lines • Show Last 20 Lines | |||||