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Merge pull request #8084 from leoetlino/wiisave-sign

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WiiSave: Fix save signing
This commit is contained in:
JosJuice 2019-05-07 14:43:50 +02:00 committed by GitHub
commit 91f5d577cc
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 7 deletions
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19
Source/Core/Core/HW/WiiSave.cpp
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@ -15,6 +15,7 @@
#include <cstdio>
#include <cstring>
#include <mbedtls/md5.h>
#include <mbedtls/sha1.h>
#include <memory>
#include <optional>
#include <string>
@ -403,17 +404,21 @@ private:
return false;
// Read data to sign.
const u32 data_size = bk_header->size_of_files + sizeof(BkHeader);
auto data = std::make_unique<u8[]>(data_size);
m_file.Seek(sizeof(Header), SEEK_SET);
if (!m_file.ReadBytes(data.get(), data_size))
return false;
std::array<u8, 20> data_sha1;
{
const u32 data_size = bk_header->size_of_files + sizeof(BkHeader);
auto data = std::make_unique<u8[]>(data_size);
m_file.Seek(sizeof(Header), SEEK_SET);
if (!m_file.ReadBytes(data.get(), data_size))
return false;
mbedtls_sha1(data.get(), data_size, data_sha1.data());
}
// Sign the data.
IOS::CertECC ap_cert;
Common::ec::Signature ap_sig;
m_iosc.Sign(ap_sig.data(), reinterpret_cast<u8*>(&ap_cert), Titles::SYSTEM_MENU, data.get(),
data_size);
m_iosc.Sign(ap_sig.data(), reinterpret_cast<u8*>(&ap_cert), Titles::SYSTEM_MENU,
data_sha1.data(), static_cast<u32>(data_sha1.size()));
// Write signatures.
if (!m_file.Seek(0, SEEK_END))