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fusee_cpp: implement package2 rebuild/kip patching

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Michael Scire 2021-09-03 18:34:20 -07:00 • committed by SciresM
parent 968ced677e
commit e5106ffa2c
10 changed files with 330 additions and 19 deletions
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7
exosphere/program/source/boot/secmon_package2.cpp
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@ -154,8 +154,11 @@ namespace ams::secmon::boot {
bool VerifyPackage2Payloads(const pkg2::Package2Meta &meta, uintptr_t payload_address) {
/* Verify hashes match for all payloads. */
for (int i = 0; i < pkg2::PayloadCount; ++i) {
if (!VerifyHash(meta.payload_hashes[i], payload_address, meta.payload_sizes[i])) {
return false;
/* Allow all-zero bytes to match any payload. */
if (!(meta.payload_hashes[i][0] == 0 && std::memcmp(meta.payload_hashes[i] + 0, meta.payload_hashes[i] + 1, sizeof(meta.payload_hashes[i]) - 1) == 0)) {
if (!VerifyHash(meta.payload_hashes[i], payload_address, meta.payload_sizes[i])) {
return false;
}
}
payload_address += meta.payload_sizes[i];