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Merge pull request #5598 from leoetlino/iosc-fixes
IOSC additions and fixes
This commit is contained in:
Leo Lam
GitHub
commit
9b8feb8e60
4 changed files with 367 additions and 33 deletions
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@ -307,8 +307,8 @@ std::vector<u8> TicketReader::GetRawTicketView(u32 ticket_num) const
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std::string TicketReader::GetIssuer() const
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{
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const char* bytes =
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reinterpret_cast<const char*>(m_bytes.data() + offsetof(Ticket, signature_issuer));
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return std::string(bytes, strnlen(bytes, sizeof(Ticket::signature_issuer)));
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reinterpret_cast<const char*>(m_bytes.data() + offsetof(Ticket, signature.issuer));
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return std::string(bytes, strnlen(bytes, sizeof(Ticket::signature.issuer)));
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}
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u32 TicketReader::GetDeviceId() const
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@ -375,7 +375,7 @@ s32 TicketReader::Unpersonalise()
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return ret;
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const auto public_key_iter = ticket_begin + offsetof(Ticket, server_public_key);
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ret = iosc.ImportPublicKey(public_handle, &*public_key_iter, PID_ES);
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ret = iosc.ImportPublicKey(public_handle, &*public_key_iter, nullptr, PID_ES);
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if (ret != IPC_SUCCESS)
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return ret;
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@ -16,6 +16,7 @@
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#include "Common/CommonTypes.h"
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#include "Common/NandPaths.h"
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#include "Core/IOS/IOSC.h"
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#include "DiscIO/Enums.h"
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class PointerWrap;
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@ -56,10 +57,7 @@ enum TitleFlags : u32
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#pragma pack(push, 4)
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struct TMDHeader
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{
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u32 signature_type;
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u8 rsa_2048_signature[256];
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u8 fill[60];
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u8 issuer[64];
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SignatureRSA2048 signature;
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u8 tmd_version;
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u8 ca_crl_version;
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u8 signer_crl_version;
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@ -120,10 +118,7 @@ static_assert(sizeof(TicketView) == 0xd8, "TicketView has the wrong size");
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// the only ticket type that is supported by the Wii's IOS.
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struct Ticket
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{
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u32 signature_type;
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u8 signature[256];
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u8 unused[60];
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u8 signature_issuer[0x40];
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SignatureRSA2048 signature;
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u8 server_public_key[0x3c];
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u8 version;
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u8 ca_crl_version;
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@ -6,14 +6,20 @@
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#include <array>
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#include <cstddef>
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#include <cstring>
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#include <map>
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#include <utility>
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#include <vector>
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#include <mbedtls/md.h>
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#include <mbedtls/rsa.h>
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#include <mbedtls/sha1.h>
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#include "Common/Assert.h"
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#include "Common/ChunkFile.h"
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#include "Common/Crypto/AES.h"
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#include "Common/Crypto/ec.h"
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#include "Common/ScopeGuard.h"
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#include "Common/Swap.h"
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#include "Core/IOS/Device.h"
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#include "Core/IOS/IOSC.h"
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#include "Core/ec_wii.h"
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@ -22,6 +28,23 @@ namespace IOS
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{
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namespace HLE
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{
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const std::map<std::pair<IOSC::ObjectType, IOSC::ObjectSubType>, size_t> s_type_to_size_map = {{
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{{IOSC::TYPE_SECRET_KEY, IOSC::SUBTYPE_AES128}, 16},
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{{IOSC::TYPE_SECRET_KEY, IOSC::SUBTYPE_MAC}, 20},
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{{IOSC::TYPE_SECRET_KEY, IOSC::SUBTYPE_ECC233}, 30},
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{{IOSC::TYPE_PUBLIC_KEY, IOSC::SUBTYPE_RSA2048}, 256},
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{{IOSC::TYPE_PUBLIC_KEY, IOSC::SUBTYPE_RSA4096}, 512},
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{{IOSC::TYPE_PUBLIC_KEY, IOSC::SUBTYPE_ECC233}, 60},
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{{IOSC::TYPE_DATA, IOSC::SUBTYPE_DATA}, 0},
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{{IOSC::TYPE_DATA, IOSC::SUBTYPE_VERSION}, 0},
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}};
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static size_t GetSizeForType(IOSC::ObjectType type, IOSC::ObjectSubType subtype)
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{
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const auto iterator = s_type_to_size_map.find({type, subtype});
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return iterator != s_type_to_size_map.end() ? iterator->second : 0;
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}
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IOSC::IOSC(ConsoleType console_type)
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{
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LoadDefaultEntries(console_type);
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@ -49,8 +72,11 @@ ReturnCode IOSC::DeleteObject(Handle handle, u32 pid)
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if (IsDefaultHandle(handle) || !HasOwnership(handle, pid))
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return IOSC_EACCES;
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m_key_entries[handle].in_use = false;
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m_key_entries[handle].data.clear();
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KeyEntry* entry = FindEntry(handle);
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if (!entry)
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return IOSC_EINVAL;
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entry->in_use = false;
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entry->data.clear();
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return IPC_SUCCESS;
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}
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@ -64,7 +90,10 @@ ReturnCode IOSC::ImportSecretKey(Handle dest_handle, Handle decrypt_handle, u8*
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return IOSC_EACCES;
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}
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auto* dest_entry = &m_key_entries[dest_handle];
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KeyEntry* dest_entry = FindEntry(dest_handle);
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if (!dest_entry)
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return IOSC_EINVAL;
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// TODO: allow other secret key subtypes
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if (dest_entry->type != TYPE_SECRET_KEY || dest_entry->subtype != SUBTYPE_AES128)
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return IOSC_INVALID_OBJTYPE;
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@ -73,18 +102,30 @@ ReturnCode IOSC::ImportSecretKey(Handle dest_handle, Handle decrypt_handle, u8*
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return Decrypt(decrypt_handle, iv, encrypted_key, AES128_KEY_SIZE, dest_entry->data.data(), pid);
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}
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constexpr size_t ECC233_PUBLIC_KEY_SIZE = 0x3c;
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ReturnCode IOSC::ImportPublicKey(Handle dest_handle, const u8* public_key, u32 pid)
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ReturnCode IOSC::ImportPublicKey(Handle dest_handle, const u8* public_key,
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const u8* public_key_exponent, u32 pid)
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{
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if (!HasOwnership(dest_handle, pid) || IsDefaultHandle(dest_handle))
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return IOSC_EACCES;
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auto* dest_entry = &m_key_entries[dest_handle];
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// TODO: allow other public key subtypes
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if (dest_entry->type != TYPE_PUBLIC_KEY || dest_entry->subtype != SUBTYPE_ECC233)
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KeyEntry* dest_entry = FindEntry(dest_handle);
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if (!dest_entry)
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return IOSC_EINVAL;
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if (dest_entry->type != TYPE_PUBLIC_KEY)
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return IOSC_INVALID_OBJTYPE;
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dest_entry->data.assign(public_key, public_key + ECC233_PUBLIC_KEY_SIZE);
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const size_t size = GetSizeForType(dest_entry->type, dest_entry->subtype);
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if (size == 0)
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return IOSC_INVALID_OBJTYPE;
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dest_entry->data.assign(public_key, public_key + size);
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if (dest_entry->subtype == SUBTYPE_RSA2048 || dest_entry->subtype == SUBTYPE_RSA4096)
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{
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_assert_(public_key_exponent);
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std::copy_n(public_key_exponent, 4, dest_entry->misc_data.begin());
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}
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return IPC_SUCCESS;
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}
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@ -97,9 +138,11 @@ ReturnCode IOSC::ComputeSharedKey(Handle dest_handle, Handle private_handle, Han
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return IOSC_EACCES;
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}
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auto* dest_entry = &m_key_entries[dest_handle];
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const auto* private_entry = &m_key_entries[private_handle];
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const auto* public_entry = &m_key_entries[public_handle];
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KeyEntry* dest_entry = FindEntry(dest_handle);
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const KeyEntry* private_entry = FindEntry(private_handle);
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const KeyEntry* public_entry = FindEntry(public_handle);
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if (!dest_entry || !private_entry || !public_entry)
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return IOSC_EINVAL;
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if (dest_entry->type != TYPE_SECRET_KEY || dest_entry->subtype != SUBTYPE_AES128 ||
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private_entry->type != TYPE_SECRET_KEY || private_entry->subtype != SUBTYPE_ECC233 ||
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public_entry->type != TYPE_PUBLIC_KEY || public_entry->subtype != SUBTYPE_ECC233)
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@ -125,7 +168,9 @@ ReturnCode IOSC::DecryptEncrypt(Common::AES::Mode mode, Handle key_handle, u8* i
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if (!HasOwnership(key_handle, pid))
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return IOSC_EACCES;
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const auto* entry = &m_key_entries[key_handle];
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const KeyEntry* entry = FindEntry(key_handle);
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if (!entry)
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return IOSC_EINVAL;
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if (entry->type != TYPE_SECRET_KEY || entry->subtype != SUBTYPE_AES128)
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return IOSC_INVALID_OBJTYPE;
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@ -151,11 +196,137 @@ ReturnCode IOSC::Decrypt(Handle key_handle, u8* iv, const u8* input, size_t size
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return DecryptEncrypt(Common::AES::Mode::Decrypt, key_handle, iv, input, size, output, pid);
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}
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ReturnCode IOSC::VerifyPublicKeySign(const std::array<u8, 20>& sha1, Handle signer_handle,
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const u8* signature, u32 pid) const
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{
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if (!HasOwnership(signer_handle, pid))
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return IOSC_EACCES;
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const KeyEntry* entry = FindEntry(signer_handle, SearchMode::IncludeRootKey);
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if (!entry)
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return IOSC_EINVAL;
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// TODO: add support for keypair entries.
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if (entry->type != TYPE_PUBLIC_KEY)
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return IOSC_INVALID_OBJTYPE;
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switch (entry->subtype)
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{
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case SUBTYPE_RSA2048:
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case SUBTYPE_RSA4096:
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{
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const size_t expected_key_size = entry->subtype == SUBTYPE_RSA2048 ? 0x100 : 0x200;
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_assert_(entry->data.size() == expected_key_size);
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mbedtls_rsa_context rsa;
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mbedtls_rsa_init(&rsa, MBEDTLS_RSA_PKCS_V15, 0);
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Common::ScopeGuard context_guard{[&rsa] { mbedtls_rsa_free(&rsa); }};
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mbedtls_mpi_read_binary(&rsa.N, entry->data.data(), entry->data.size());
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mbedtls_mpi_read_binary(&rsa.E, entry->misc_data.data(), entry->misc_data.size());
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rsa.len = entry->data.size();
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const int ret = mbedtls_rsa_pkcs1_verify(&rsa, nullptr, nullptr, MBEDTLS_RSA_PUBLIC,
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MBEDTLS_MD_SHA1, 0, sha1.data(), signature);
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if (ret != 0)
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{
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WARN_LOG(IOS, "VerifyPublicKeySign: RSA verification failed (error %d)", ret);
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return IOSC_FAIL_CHECKVALUE;
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}
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return IPC_SUCCESS;
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}
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case SUBTYPE_ECC233:
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ERROR_LOG(IOS, "VerifyPublicKeySign: SUBTYPE_ECC233 is unimplemented");
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// [[fallthrough]]
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default:
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return IOSC_INVALID_OBJTYPE;
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}
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}
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struct ImportCertParameters
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{
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size_t offset;
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size_t size;
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size_t signature_offset;
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size_t public_key_offset;
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size_t public_key_exponent_offset;
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};
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static ReturnCode GetImportCertParameters(const u8* cert, ImportCertParameters* parameters)
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{
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// TODO: Add support for ECC signature type.
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const u32 signature_type = Common::swap32(cert + offsetof(Cert, type));
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switch (static_cast<SignatureType>(signature_type))
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{
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case SignatureType::RSA2048:
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{
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const u32 key_type = Common::swap32(cert + offsetof(Cert, rsa2048.header.public_key_type));
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// TODO: Add support for ECC public key type.
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if (static_cast<PublicKeyType>(key_type) != PublicKeyType::RSA2048)
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return IOSC_INVALID_FORMAT;
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parameters->offset = offsetof(Cert, rsa2048.signature.issuer);
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parameters->size = sizeof(Cert::rsa2048) - parameters->offset;
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parameters->signature_offset = offsetof(Cert, rsa2048.signature.sig);
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parameters->public_key_offset = offsetof(Cert, rsa2048.public_key);
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parameters->public_key_exponent_offset = offsetof(Cert, rsa2048.exponent);
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return IPC_SUCCESS;
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}
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case SignatureType::RSA4096:
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{
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parameters->offset = offsetof(Cert, rsa4096.signature.issuer);
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parameters->size = sizeof(Cert::rsa4096) - parameters->offset;
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parameters->signature_offset = offsetof(Cert, rsa4096.signature.sig);
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parameters->public_key_offset = offsetof(Cert, rsa4096.public_key);
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parameters->public_key_exponent_offset = offsetof(Cert, rsa4096.exponent);
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return IPC_SUCCESS;
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}
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default:
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WARN_LOG(IOS, "Unknown signature type: %08x", signature_type);
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return IOSC_INVALID_FORMAT;
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}
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}
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ReturnCode IOSC::ImportCertificate(const u8* cert, Handle signer_handle, Handle dest_handle,
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u32 pid)
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{
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if (!HasOwnership(signer_handle, pid) || !HasOwnership(dest_handle, pid))
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return IOSC_EACCES;
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const KeyEntry* signer_entry = FindEntry(signer_handle, SearchMode::IncludeRootKey);
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const KeyEntry* dest_entry = FindEntry(dest_handle, SearchMode::IncludeRootKey);
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if (!signer_entry || !dest_entry)
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return IOSC_EINVAL;
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if (signer_entry->type != TYPE_PUBLIC_KEY || dest_entry->type != TYPE_PUBLIC_KEY)
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return IOSC_INVALID_OBJTYPE;
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ImportCertParameters parameters;
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const ReturnCode ret = GetImportCertParameters(cert, ¶meters);
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if (ret != IPC_SUCCESS)
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return ret;
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std::array<u8, 20> sha1;
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mbedtls_sha1(cert + parameters.offset, parameters.size, sha1.data());
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if (VerifyPublicKeySign(sha1, signer_handle, cert + parameters.signature_offset, pid) !=
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IPC_SUCCESS)
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{
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return IOSC_FAIL_CHECKVALUE;
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}
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return ImportPublicKey(dest_handle, cert + parameters.public_key_offset,
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cert + parameters.public_key_exponent_offset, pid);
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}
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ReturnCode IOSC::GetOwnership(Handle handle, u32* owner) const
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{
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if (handle < m_key_entries.size() && m_key_entries[handle].in_use)
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const KeyEntry* entry = FindEntry(handle);
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if (entry && entry->in_use)
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{
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*owner = m_key_entries[handle].owner_mask;
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*owner = entry->owner_mask;
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return IPC_SUCCESS;
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}
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return IOSC_EINVAL;
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@ -166,14 +337,55 @@ ReturnCode IOSC::SetOwnership(Handle handle, u32 new_owner, u32 pid)
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if (!HasOwnership(handle, pid))
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return IOSC_EACCES;
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KeyEntry* entry = FindEntry(handle);
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if (!entry)
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return IOSC_EINVAL;
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const u32 mask_with_current_pid = 1 << pid;
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const u32 mask = m_key_entries[handle].owner_mask | mask_with_current_pid;
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const u32 mask = entry->owner_mask | mask_with_current_pid;
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if (mask != mask_with_current_pid)
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return IOSC_EACCES;
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m_key_entries[handle].owner_mask = (new_owner & ~7) | mask;
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entry->owner_mask = (new_owner & ~7) | mask;
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return IPC_SUCCESS;
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}
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constexpr std::array<u8, 512> ROOT_PUBLIC_KEY = {
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{0xF8, 0x24, 0x6C, 0x58, 0xBA, 0xE7, 0x50, 0x03, 0x01, 0xFB, 0xB7, 0xC2, 0xEB, 0xE0, 0x01,
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0x05, 0x71, 0xDA, 0x92, 0x23, 0x78, 0xF0, 0x51, 0x4E, 0xC0, 0x03, 0x1D, 0xD0, 0xD2, 0x1E,
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0xD3, 0xD0, 0x7E, 0xFC, 0x85, 0x20, 0x69, 0xB5, 0xDE, 0x9B, 0xB9, 0x51, 0xA8, 0xBC, 0x90,
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0xA2, 0x44, 0x92, 0x6D, 0x37, 0x92, 0x95, 0xAE, 0x94, 0x36, 0xAA, 0xA6, 0xA3, 0x02, 0x51,
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0x0C, 0x7B, 0x1D, 0xED, 0xD5, 0xFB, 0x20, 0x86, 0x9D, 0x7F, 0x30, 0x16, 0xF6, 0xBE, 0x65,
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0xD3, 0x83, 0xA1, 0x6D, 0xB3, 0x32, 0x1B, 0x95, 0x35, 0x18, 0x90, 0xB1, 0x70, 0x02, 0x93,
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0x7E, 0xE1, 0x93, 0xF5, 0x7E, 0x99, 0xA2, 0x47, 0x4E, 0x9D, 0x38, 0x24, 0xC7, 0xAE, 0xE3,
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0x85, 0x41, 0xF5, 0x67, 0xE7, 0x51, 0x8C, 0x7A, 0x0E, 0x38, 0xE7, 0xEB, 0xAF, 0x41, 0x19,
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0x1B, 0xCF, 0xF1, 0x7B, 0x42, 0xA6, 0xB4, 0xED, 0xE6, 0xCE, 0x8D, 0xE7, 0x31, 0x8F, 0x7F,
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0x52, 0x04, 0xB3, 0x99, 0x0E, 0x22, 0x67, 0x45, 0xAF, 0xD4, 0x85, 0xB2, 0x44, 0x93, 0x00,
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0x8B, 0x08, 0xC7, 0xF6, 0xB7, 0xE5, 0x6B, 0x02, 0xB3, 0xE8, 0xFE, 0x0C, 0x9D, 0x85, 0x9C,
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0xB8, 0xB6, 0x82, 0x23, 0xB8, 0xAB, 0x27, 0xEE, 0x5F, 0x65, 0x38, 0x07, 0x8B, 0x2D, 0xB9,
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0x1E, 0x2A, 0x15, 0x3E, 0x85, 0x81, 0x80, 0x72, 0xA2, 0x3B, 0x6D, 0xD9, 0x32, 0x81, 0x05,
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0x4F, 0x6F, 0xB0, 0xF6, 0xF5, 0xAD, 0x28, 0x3E, 0xCA, 0x0B, 0x7A, 0xF3, 0x54, 0x55, 0xE0,
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0x3D, 0xA7, 0xB6, 0x83, 0x26, 0xF3, 0xEC, 0x83, 0x4A, 0xF3, 0x14, 0x04, 0x8A, 0xC6, 0xDF,
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0x20, 0xD2, 0x85, 0x08, 0x67, 0x3C, 0xAB, 0x62, 0xA2, 0xC7, 0xBC, 0x13, 0x1A, 0x53, 0x3E,
|
||||
0x0B, 0x66, 0x80, 0x6B, 0x1C, 0x30, 0x66, 0x4B, 0x37, 0x23, 0x31, 0xBD, 0xC4, 0xB0, 0xCA,
|
||||
0xD8, 0xD1, 0x1E, 0xE7, 0xBB, 0xD9, 0x28, 0x55, 0x48, 0xAA, 0xEC, 0x1F, 0x66, 0xE8, 0x21,
|
||||
0xB3, 0xC8, 0xA0, 0x47, 0x69, 0x00, 0xC5, 0xE6, 0x88, 0xE8, 0x0C, 0xCE, 0x3C, 0x61, 0xD6,
|
||||
0x9C, 0xBB, 0xA1, 0x37, 0xC6, 0x60, 0x4F, 0x7A, 0x72, 0xDD, 0x8C, 0x7B, 0x3E, 0x3D, 0x51,
|
||||
0x29, 0x0D, 0xAA, 0x6A, 0x59, 0x7B, 0x08, 0x1F, 0x9D, 0x36, 0x33, 0xA3, 0x46, 0x7A, 0x35,
|
||||
0x61, 0x09, 0xAC, 0xA7, 0xDD, 0x7D, 0x2E, 0x2F, 0xB2, 0xC1, 0xAE, 0xB8, 0xE2, 0x0F, 0x48,
|
||||
0x92, 0xD8, 0xB9, 0xF8, 0xB4, 0x6F, 0x4E, 0x3C, 0x11, 0xF4, 0xF4, 0x7D, 0x8B, 0x75, 0x7D,
|
||||
0xFE, 0xFE, 0xA3, 0x89, 0x9C, 0x33, 0x59, 0x5C, 0x5E, 0xFD, 0xEB, 0xCB, 0xAB, 0xE8, 0x41,
|
||||
0x3E, 0x3A, 0x9A, 0x80, 0x3C, 0x69, 0x35, 0x6E, 0xB2, 0xB2, 0xAD, 0x5C, 0xC4, 0xC8, 0x58,
|
||||
0x45, 0x5E, 0xF5, 0xF7, 0xB3, 0x06, 0x44, 0xB4, 0x7C, 0x64, 0x06, 0x8C, 0xDF, 0x80, 0x9F,
|
||||
0x76, 0x02, 0x5A, 0x2D, 0xB4, 0x46, 0xE0, 0x3D, 0x7C, 0xF6, 0x2F, 0x34, 0xE7, 0x02, 0x45,
|
||||
0x7B, 0x02, 0xA4, 0xCF, 0x5D, 0x9D, 0xD5, 0x3C, 0xA5, 0x3A, 0x7C, 0xA6, 0x29, 0x78, 0x8C,
|
||||
0x67, 0xCA, 0x08, 0xBF, 0xEC, 0xCA, 0x43, 0xA9, 0x57, 0xAD, 0x16, 0xC9, 0x4E, 0x1C, 0xD8,
|
||||
0x75, 0xCA, 0x10, 0x7D, 0xCE, 0x7E, 0x01, 0x18, 0xF0, 0xDF, 0x6B, 0xFE, 0xE5, 0x1D, 0xDB,
|
||||
0xD9, 0x91, 0xC2, 0x6E, 0x60, 0xCD, 0x48, 0x58, 0xAA, 0x59, 0x2C, 0x82, 0x00, 0x75, 0xF2,
|
||||
0x9F, 0x52, 0x6C, 0x91, 0x7C, 0x6F, 0xE5, 0x40, 0x3E, 0xA7, 0xD4, 0xA5, 0x0C, 0xEC, 0x3B,
|
||||
0x73, 0x84, 0xDE, 0x88, 0x6E, 0x82, 0xD2, 0xEB, 0x4D, 0x4E, 0x42, 0xB5, 0xF2, 0xB1, 0x49,
|
||||
0xA8, 0x1E, 0xA7, 0xCE, 0x71, 0x44, 0xDC, 0x29, 0x94, 0xCF, 0xC4, 0x4E, 0x1F, 0x91, 0xCB,
|
||||
0xD4, 0x95}};
|
||||
|
||||
void IOSC::LoadDefaultEntries(ConsoleType console_type)
|
||||
{
|
||||
// TODO: add support for loading and writing to a BootMii / SEEPROM and OTP dump.
|
||||
|
|
@ -229,13 +441,25 @@ void IOSC::LoadDefaultEntries(ConsoleType console_type)
|
|||
{{0x63, 0xb8, 0x2b, 0xb4, 0xf4, 0x61, 0x4e, 0x2e, 0x13,
|
||||
0xf2, 0xfe, 0xfb, 0xba, 0x4c, 0x9b, 0x7e}},
|
||||
3};
|
||||
|
||||
std::array<u8, 4> root_exponent = {{0x0, 0x1, 0x0, 0x1}};
|
||||
m_root_key_entry = {TYPE_PUBLIC_KEY, SUBTYPE_RSA4096,
|
||||
std::vector<u8>(ROOT_PUBLIC_KEY.begin(), ROOT_PUBLIC_KEY.end()),
|
||||
std::move(root_exponent), 0};
|
||||
}
|
||||
|
||||
IOSC::KeyEntry::KeyEntry() = default;
|
||||
|
||||
IOSC::KeyEntry::KeyEntry(ObjectType type_, ObjectSubType subtype_, std::vector<u8>&& data_,
|
||||
std::array<u8, 4>&& misc_data_, u32 owner_mask_)
|
||||
: in_use(true), type(type_), subtype(subtype_), data(std::move(data_)),
|
||||
misc_data(std::move(misc_data_)), owner_mask(owner_mask_)
|
||||
{
|
||||
}
|
||||
|
||||
IOSC::KeyEntry::KeyEntry(ObjectType type_, ObjectSubType subtype_, std::vector<u8>&& data_,
|
||||
u32 owner_mask_)
|
||||
: in_use(true), type(type_), subtype(subtype_), data(std::move(data_)), owner_mask(owner_mask_)
|
||||
: KeyEntry(type_, subtype_, std::move(data_), {}, owner_mask_)
|
||||
{
|
||||
}
|
||||
|
||||
|
|
@ -245,6 +469,17 @@ IOSC::KeyEntries::iterator IOSC::FindFreeEntry()
|
|||
[](const auto& entry) { return !entry.in_use; });
|
||||
}
|
||||
|
||||
IOSC::KeyEntry* IOSC::FindEntry(Handle handle)
|
||||
{
|
||||
return handle < m_key_entries.size() ? &m_key_entries[handle] : nullptr;
|
||||
}
|
||||
const IOSC::KeyEntry* IOSC::FindEntry(Handle handle, SearchMode mode) const
|
||||
{
|
||||
if (mode == SearchMode::IncludeRootKey && handle == HANDLE_ROOT_KEY)
|
||||
return &m_root_key_entry;
|
||||
return handle < m_key_entries.size() ? &m_key_entries[handle] : nullptr;
|
||||
}
|
||||
|
||||
IOSC::Handle IOSC::GetHandleFromIterator(IOSC::KeyEntries::iterator iterator) const
|
||||
{
|
||||
_assert_(iterator != m_key_entries.end());
|
||||
|
|
@ -254,13 +489,14 @@ IOSC::Handle IOSC::GetHandleFromIterator(IOSC::KeyEntries::iterator iterator) co
|
|||
bool IOSC::HasOwnership(Handle handle, u32 pid) const
|
||||
{
|
||||
u32 owner_mask;
|
||||
return GetOwnership(handle, &owner_mask) == IPC_SUCCESS && ((1 << pid) & owner_mask) != 0;
|
||||
return handle == HANDLE_ROOT_KEY ||
|
||||
(GetOwnership(handle, &owner_mask) == IPC_SUCCESS && ((1 << pid) & owner_mask) != 0);
|
||||
}
|
||||
|
||||
bool IOSC::IsDefaultHandle(Handle handle) const
|
||||
{
|
||||
constexpr Handle last_default_handle = HANDLE_NEW_COMMON_KEY;
|
||||
return handle <= last_default_handle;
|
||||
return handle <= last_default_handle || handle == HANDLE_ROOT_KEY;
|
||||
}
|
||||
|
||||
void IOSC::DoState(PointerWrap& p)
|
||||
|
|
|
|||
|
|
@ -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;
|
||||
|
|
@ -61,6 +140,8 @@ public:
|
|||
HANDLE_FS_VERSION = 10,
|
||||
// New common key (aka Korean common key)
|
||||
HANDLE_NEW_COMMON_KEY = 11,
|
||||
|
||||
HANDLE_ROOT_KEY = 0xfffffff,
|
||||
};
|
||||
|
||||
enum ObjectType : u8
|
||||
|
|
@ -74,6 +155,8 @@ public:
|
|||
{
|
||||
SUBTYPE_AES128 = 0,
|
||||
SUBTYPE_MAC = 1,
|
||||
SUBTYPE_RSA2048 = 2,
|
||||
SUBTYPE_RSA4096 = 3,
|
||||
SUBTYPE_ECC233 = 4,
|
||||
SUBTYPE_DATA = 5,
|
||||
SUBTYPE_VERSION = 6
|
||||
|
|
@ -89,8 +172,9 @@ public:
|
|||
// Import a secret, encrypted key into dest_handle, which will be decrypted using decrypt_handle.
|
||||
ReturnCode ImportSecretKey(Handle dest_handle, Handle decrypt_handle, u8* iv,
|
||||
const u8* encrypted_key, u32 pid);
|
||||
// Import a public key.
|
||||
ReturnCode ImportPublicKey(Handle dest_handle, const u8* public_key, u32 pid);
|
||||
// Import a public key. public_key_exponent must be passed for RSA keys.
|
||||
ReturnCode ImportPublicKey(Handle dest_handle, const u8* public_key,
|
||||
const u8* public_key_exponent, u32 pid);
|
||||
// Compute an AES key from an ECDH shared secret.
|
||||
ReturnCode ComputeSharedKey(Handle dest_handle, Handle private_handle, Handle public_handle,
|
||||
u32 pid);
|
||||
|
|
@ -101,6 +185,11 @@ public:
|
|||
ReturnCode Decrypt(Handle key_handle, u8* iv, const u8* input, size_t size, u8* output,
|
||||
u32 pid) const;
|
||||
|
||||
ReturnCode VerifyPublicKeySign(const std::array<u8, 20>& sha1, Handle signer_handle,
|
||||
const u8* signature, u32 pid) const;
|
||||
// Import a certificate (signed by the certificate in signer_handle) into dest_handle.
|
||||
ReturnCode ImportCertificate(const u8* cert, Handle signer_handle, Handle dest_handle, u32 pid);
|
||||
|
||||
// Ownership
|
||||
ReturnCode GetOwnership(Handle handle, u32* owner) const;
|
||||
ReturnCode SetOwnership(Handle handle, u32 owner, u32 pid);
|
||||
|
|
@ -112,19 +201,32 @@ private:
|
|||
{
|
||||
KeyEntry();
|
||||
KeyEntry(ObjectType type_, ObjectSubType subtype_, std::vector<u8>&& data_, u32 owner_mask_);
|
||||
KeyEntry(ObjectType type_, ObjectSubType subtype_, std::vector<u8>&& data_,
|
||||
std::array<u8, 4>&& misc_data_, u32 owner_mask_);
|
||||
void DoState(PointerWrap& p);
|
||||
|
||||
bool in_use = false;
|
||||
ObjectType type;
|
||||
ObjectSubType subtype;
|
||||
std::vector<u8> data;
|
||||
std::array<u8, 4> misc_data{};
|
||||
u32 owner_mask = 0;
|
||||
};
|
||||
// The Wii's IOSC is limited to 32 entries, including 12 built-in entries.
|
||||
using KeyEntries = std::array<KeyEntry, 32>;
|
||||
|
||||
enum class SearchMode
|
||||
{
|
||||
IncludeRootKey,
|
||||
ExcludeRootKey,
|
||||
};
|
||||
|
||||
void LoadDefaultEntries(ConsoleType console_type);
|
||||
|
||||
KeyEntries::iterator FindFreeEntry();
|
||||
KeyEntry* FindEntry(Handle handle);
|
||||
const KeyEntry* FindEntry(Handle handle, SearchMode mode = SearchMode::ExcludeRootKey) const;
|
||||
|
||||
Handle GetHandleFromIterator(KeyEntries::iterator iterator) const;
|
||||
bool HasOwnership(Handle handle, u32 pid) const;
|
||||
bool IsDefaultHandle(Handle handle) const;
|
||||
|
|
@ -132,6 +234,7 @@ private:
|
|||
size_t size, u8* output, u32 pid) const;
|
||||
|
||||
KeyEntries m_key_entries;
|
||||
KeyEntry m_root_key_entry;
|
||||
};
|
||||
} // namespace HLE
|
||||
} // namespace IOS
|
||||
|
|
|
|||
Loading…
Reference in a new issue