phantom/bitcoin
1
0
Fork 0
mirror of https://github.com/bitcoin/bitcoin.git synced 2025-04-29 23:09:44 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

psbt: Require ECDSA signatures to be validly encoded

Browse source 
Needed for later validation of sighash types.
This commit is contained in:
Ava Chow 2025-03-05 11:35:04 -08:00
parent 51d76634fb
commit bd6c81f084
1 changed files with 5 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
src/psbt.h
View file

@ -520,6 +520,11 @@ struct PSBTInput
std::vector<unsigned char> sig; std::vector<unsigned char> sig;
s >> sig; s >> sig;
// Check that the signature is validly encoded
if (sig.empty() || !CheckSignatureEncoding(sig, SCRIPT_VERIFY_DERSIG | SCRIPT_VERIFY_STRICTENC, nullptr)) {
throw std::ios_base::failure("Signature is not a valid encoding");
}
// Add to list // Add to list
partial_sigs.emplace(pubkey.GetID(), SigPair(pubkey, std::move(sig))); partial_sigs.emplace(pubkey.GetID(), SigPair(pubkey, std::move(sig)));
break; break;