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IOSC: Add structures for certificates and signatures

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This commit is contained in:
Léo Lam 2017-06-10 00:09:39 +02:00
parent 2b86cf02a8
commit acf150df3f
3 changed files with 84 additions and 10 deletions
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4
Source/Core/Core/IOS/ES/Formats.cpp
View File

@ -307,8 +307,8 @@ std::vector<u8> TicketReader::GetRawTicketView(u32 ticket_num) const
std::string TicketReader::GetIssuer() const
{
const char* bytes =
reinterpret_cast<const char*>(m_bytes.data() + offsetof(Ticket, signature_issuer));
return std::string(bytes, strnlen(bytes, sizeof(Ticket::signature_issuer)));
reinterpret_cast<const char*>(m_bytes.data() + offsetof(Ticket, signature.issuer));
return std::string(bytes, strnlen(bytes, sizeof(Ticket::signature.issuer)));
}
u32 TicketReader::GetDeviceId() const

11
Source/Core/Core/IOS/ES/Formats.h
View File

@ -16,6 +16,7 @@
#include "Common/CommonTypes.h"
#include "Common/NandPaths.h"
#include "Core/IOS/IOSC.h"
#include "DiscIO/Enums.h"
class PointerWrap;
@ -56,10 +57,7 @@ enum TitleFlags : u32
#pragma pack(push, 4)
struct TMDHeader
{
u32 signature_type;
u8 rsa_2048_signature[256];
u8 fill[60];
u8 issuer[64];
SignatureRSA2048 signature;
u8 tmd_version;
u8 ca_crl_version;
u8 signer_crl_version;
@ -120,10 +118,7 @@ static_assert(sizeof(TicketView) == 0xd8, "TicketView has the wrong size");
// the only ticket type that is supported by the Wii's IOS.
struct Ticket
{
u32 signature_type;
u8 signature[256];
u8 unused[60];
u8 signature_issuer[0x40];
SignatureRSA2048 signature;
u8 server_public_key[0x3c];
u8 version;
u8 ca_crl_version;

79
Source/Core/Core/IOS/IOSC.h
View File

@ -17,6 +17,85 @@ class PointerWrap;
namespace IOS
{
enum class SignatureType : u32
{
RSA4096 = 0x00010000,
RSA2048 = 0x00010001,
// XXX: Add support for ECC (0x00010002).
};
enum class PublicKeyType : u32
{
RSA4096 = 0,
RSA2048 = 1,
};
#pragma pack(push, 4)
struct SignatureRSA4096
{
SignatureType type;
u8 sig[0x200];
u8 fill[0x3c];
char issuer[0x40];
};
static_assert(sizeof(SignatureRSA4096) == 0x280, "Wrong size for SignatureRSA4096");
struct SignatureRSA2048
{
SignatureType type;
u8 sig[0x100];
u8 fill[0x3c];
char issuer[0x40];
};
static_assert(sizeof(SignatureRSA2048) == 0x180, "Wrong size for SignatureRSA2048");
struct SignatureECC
{
SignatureType type;
u8 sig[0x3c];
u8 fill[0x40];
char issuer[0x40];
};
static_assert(sizeof(SignatureECC) == 0xc0, "Wrong size for SignatureECC");
// Source: https://wiibrew.org/wiki/Certificate_chain
struct CertHeader
{
PublicKeyType public_key_type;
char name[0x40];
u32 id;
};
struct CertRSA4096
{
SignatureRSA4096 signature;
CertHeader header;
// The signature is RSA4096, but the key is a RSA2048 public key,
// so its size is 0x100, not 0x200, as one would expect from the name.
u8 public_key[0x100];
u8 exponent[0x4];
u8 pad[0x34];
};
static_assert(sizeof(CertRSA4096) == 0x400, "Wrong size for CertRSA4096");
struct CertRSA2048
{
SignatureRSA2048 signature;
CertHeader header;
u8 public_key[0x100];
u8 exponent[0x4];
u8 pad[0x34];
};
static_assert(sizeof(CertRSA2048) == 0x300, "Wrong size for CertRSA2048");
union Cert
{
SignatureType type;
CertRSA4096 rsa4096;
CertRSA2048 rsa2048;
};
#pragma pack(pop)
namespace HLE
{
enum ReturnCode : s32;