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-rw-r--r--src/external_signer.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/external_signer.cpp b/src/external_signer.cpp
index 75070899c6..d125fe479b 100644
--- a/src/external_signer.cpp
+++ b/src/external_signer.cpp
@@ -74,11 +74,12 @@ bool ExternalSigner::SignTransaction(PartiallySignedTransaction& psbtx, std::str
// Serialize the PSBT
CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
ssTx << psbtx;
-
+ // parse ExternalSigner master fingerprint
+ std::vector<unsigned char> parsed_m_fingerprint = ParseHex(m_fingerprint);
// Check if signer fingerprint matches any input master key fingerprint
auto matches_signer_fingerprint = [&](const PSBTInput& input) {
for (const auto& entry : input.hd_keypaths) {
- if (m_fingerprint == strprintf("%08x", ReadBE32(entry.second.fingerprint))) return true;
+ if (parsed_m_fingerprint == MakeUCharSpan(entry.second.fingerprint)) return true;
}
return false;
};