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UI: Add mutex to reading public key file

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derrod 2023-02-27 22:07:48 +01:00 • committed by Rodney
commit 5dd1d00a03
1 changed files with 4 additions and 1 deletions
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5
UI/update/shared-update.cpp
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@ -176,12 +176,15 @@ static void LoadPublicKey(std::string &pubkey)
static bool CheckDataSignature(const char *name, const std::string &data,
const std::string &hexSig)
try {
static std::mutex pubkey_mutex;
static std::string obsPubKey;
if (hexSig.empty() || hexSig.length() > 0xFFFF ||
(hexSig.length() & 1) != 0)
throw strprintf("Missing or invalid signature for %s: %s", name,
hexSig.c_str());
static std::string obsPubKey;
std::scoped_lock lock(pubkey_mutex);
if (obsPubKey.empty())
LoadPublicKey(obsPubKey);