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SubmitScreen.cpp: Zero an unused OTP area before hashing. 

This should normally be zero anyway, but zero it again just in case.
This commit is contained in:
David Korth 2023-04-08 15:10:36 -04:00 committed by GaryOderNichts
parent a6efca8a74
commit 6d5b19a8a6
1 changed files with 2 additions and 1 deletions
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source/screens/SubmitScreen.cpp
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@ -174,7 +174,7 @@ size_t SubmitScreen::CurlWriteCallback(void* contents, size_t size, size_t nmemb
void SubmitScreen::SubmitSystemData()
{
const auto& otp = OTP::Get();
auto otp = OTP::Get();
const auto& seeprom = SEEPROM::Get();
WUT_ALIGNAS(0x40) MCPSysProdSettings sysProd{};
int32_t mcpHandle = MCP_Open();
@ -259,6 +259,7 @@ void SubmitScreen::SubmitSystemData()
// is fully contained within the MLC CID.
}
memset(&otp.miscBank, 0, 0x40);
if (Utils::SHA256(&otp, sizeof(otp), pd->otp_sha256, sizeof(pd->otp_sha256)) != 0) {
error = "Failed to hash otp data";
return;