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Differential D1601 Diff 4469 src/script/sigencoding.cpp

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src/script/sigencoding.cpp

Show All 36 Linesstatic bool IsValidSignatureEncoding(const slicedvaltype &sig) {
// * S: arbitrary-length big-endian encoded S value. The same rules apply. // * S: arbitrary-length big-endian encoded S value. The same rules apply.
// Minimum and maximum size constraints. // Minimum and maximum size constraints.
if (sig.size() < 8 || sig.size() > 72) { if (sig.size() < 8 || sig.size() > 72) {
return false; return false;
} }
// //
// Check that the signature is a coumpound structure of proper size. // Check that the signature is a compound structure of proper size.
// //
// A signature is of type 0x30 (compound). // A signature is of type 0x30 (compound).
if (sig[0] != 0x30) { if (sig[0] != 0x30) {
return false; return false;
} }
// Make sure the length covers the entire signature. // Make sure the length covers the entire signature.
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