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IOSC: Add Sign

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Equivalent of IOSC_GenerateCertificate + IOSC_GeneratePublicKeySign.

This is copied from ec_wii/MakeAPSigAndCert.
This commit is contained in:
Léo Lam 2018-02-19 17:06:48 +01:00
parent b3c7874a3a
commit 5e5c9e1772
2 changed files with 26 additions and 0 deletions
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24
Source/Core/Core/IOS/IOSC.cpp
View File

@ -6,6 +6,7 @@
#include <algorithm>
#include <array>
#include <cinttypes>
#include <cstddef>
#include <cstring>
#include <map>
@ -477,6 +478,29 @@ Certificate IOSC::GetDeviceCertificate() const
return cert;
}
void IOSC::Sign(u8* sig_out, u8* ap_cert_out, u64 title_id, const u8* data, u32 data_size) const
{
std::array<u8, 20> hash{};
std::array<u8, 30> ap_priv{};
ap_priv[0x1d] = 1;
// setup random ap_priv here if desired
// get_rand_bytes(ap_priv, 0x1e);
// ap_priv[0] &= 1;
const std::string signer = StringFromFormat("Root-CA00000001-MS00000002-NG%08x", GetDeviceId());
const std::string name = StringFromFormat("AP%016" PRIx64, title_id);
const auto cert = MakeBlankSigECCert(signer.c_str(), name.c_str(), ap_priv.data(), 0);
std::copy(cert.begin(), cert.end(), ap_cert_out);
mbedtls_sha1(ap_cert_out + 0x80, 0x100, hash.data());
generate_ecdsa(ap_cert_out + 4, ap_cert_out + 34, m_key_entries[HANDLE_CONSOLE_KEY].data.data(),
hash.data());
mbedtls_sha1(data, data_size, hash.data());
generate_ecdsa(sig_out, sig_out + 30, ap_priv.data(), hash.data());
}
constexpr std::array<u8, 512> ROOT_PUBLIC_KEY = {
{0xF8, 0x24, 0x6C, 0x58, 0xBA, 0xE7, 0x50, 0x03, 0x01, 0xFB, 0xB7, 0xC2, 0xEB, 0xE0, 0x01,
0x05, 0x71, 0xDA, 0x92, 0x23, 0x78, 0xF0, 0x51, 0x4E, 0xC0, 0x03, 0x1D, 0xD0, 0xD2, 0x1E,

2
Source/Core/Core/IOS/IOSC.h
View File

@ -8,6 +8,7 @@
#include <array>
#include <cstddef>
#include <utility>
#include <vector>
#include "Common/CommonTypes.h"
@ -201,6 +202,7 @@ public:
u32 GetDeviceId() const;
Certificate GetDeviceCertificate() const;
void Sign(u8* sig_out, u8* ap_cert_out, u64 title_id, const u8* data, u32 data_size) const;
void DoState(PointerWrap& p);