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https://github.com/Atmosphere-NX/Atmosphere.git
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spl: Finish implementing EsService.
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parent
0a194cb6a6
commit
99106076e6
5 changed files with 89 additions and 10 deletions
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@ -24,13 +24,11 @@ Result EsService::ImportEsKey(InPointer<u8> src, AccessKey access_key, KeySource
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}
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Result EsService::UnwrapTitleKey(Out<AccessKey> out_access_key, InPointer<u8> base, InPointer<u8> mod, InPointer<u8> label_digest, u32 generation) {
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/* TODO */
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return ResultKernelConnectionClosed;
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return this->GetSecureMonitorWrapper()->UnwrapTitleKey(out_access_key.GetPointer(), base.pointer, base.num_elements, mod.pointer, mod.num_elements, label_digest.pointer, label_digest.num_elements, generation);
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}
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Result EsService::UnwrapCommonTitleKey(Out<AccessKey> out_access_key, KeySource key_source, u32 generation) {
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/* TODO */
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return ResultKernelConnectionClosed;
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return this->GetSecureMonitorWrapper()->UnwrapCommonTitleKey(out_access_key.GetPointer(), key_source, generation);
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}
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Result EsService::ImportDrmKey(InPointer<u8> src, AccessKey access_key, KeySource key_source) {
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@ -42,11 +40,9 @@ Result EsService::DrmExpMod(OutPointerWithClientSize<u8> out, InPointer<u8> base
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}
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Result EsService::UnwrapElicenseKey(Out<AccessKey> out_access_key, InPointer<u8> base, InPointer<u8> mod, InPointer<u8> label_digest, u32 generation) {
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/* TODO */
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return ResultKernelConnectionClosed;
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return this->GetSecureMonitorWrapper()->UnwrapElicenseKey(out_access_key.GetPointer(), base.pointer, base.num_elements, mod.pointer, mod.num_elements, label_digest.pointer, label_digest.num_elements, generation);
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}
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Result EsService::LoadElicenseKey(u32 keyslot, AccessKey access_key) {
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/* TODO */
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return ResultKernelConnectionClosed;
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return this->GetSecureMonitorWrapper()->LoadElicenseKey(keyslot, this, access_key);
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}
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@ -107,8 +107,8 @@ int main(int argc, char **argv)
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if (GetRuntimeFirmwareVersion() >= FirmwareVersion_400) {
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s_server_manager.AddWaitable(new ServiceServer<GeneralService, +MakeGeneralService>("spl:", 9));
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s_server_manager.AddWaitable(new ServiceServer<GeneralService, +MakeCryptoService>("spl:mig", 6));
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s_server_manager.AddWaitable(new ServiceServer<GeneralService, +MakeCryptoService>("spl:ssl", 2));
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s_server_manager.AddWaitable(new ServiceServer<GeneralService, +MakeCryptoService>("spl:es", 2));
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s_server_manager.AddWaitable(new ServiceServer<GeneralService, +MakeSslService>("spl:ssl", 2));
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s_server_manager.AddWaitable(new ServiceServer<GeneralService, +MakeEsService>("spl:es", 2));
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/* TODO: Other services. */
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} else {
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/* TODO, DeprecatedGeneralService */
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@ -31,6 +31,7 @@ constexpr size_t CryptAesSizeMax = static_cast<size_t>(CryptAesOutMapBase - Cryp
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constexpr size_t RsaPrivateKeySize = 0x100;
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constexpr size_t RsaPrivateKeyMetaSize = 0x30;
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constexpr size_t LabelDigestSizeMax = 0x20;
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/* Types. */
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struct SeLinkedListEntry {
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@ -654,6 +655,60 @@ Result SecureMonitorWrapper::ImportEsKey(const void *src, size_t src_size, const
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}
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}
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Result SecureMonitorWrapper::UnwrapEsRsaOaepWrappedKey(AccessKey *out_access_key, const void *base, size_t base_size, const void *mod, size_t mod_size, const void *label_digest, size_t label_digest_size, u32 generation, EsKeyType type) {
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struct UnwrapEsKeyLayout {
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u8 base[0x100];
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u8 mod[0x100];
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};
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UnwrapEsKeyLayout *layout = reinterpret_cast<UnwrapEsKeyLayout *>(g_work_buffer);
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/* Validate sizes. */
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if (base_size > sizeof(layout->base)) {
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return ResultSplInvalidSize;
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}
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if (mod_size > sizeof(layout->mod)) {
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return ResultSplInvalidSize;
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}
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if (label_digest_size > LabelDigestSizeMax) {
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return ResultSplInvalidSize;
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}
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/* Copy data into work buffer. */
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const size_t base_ofs = sizeof(layout->base) - base_size;
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const size_t mod_ofs = sizeof(layout->mod) - mod_size;
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std::memset(layout, 0, sizeof(*layout));
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std::memcpy(layout->base + base_ofs, base, base_size);
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std::memcpy(layout->mod + mod_ofs, mod, mod_size);
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/* Do exp mod operation. */
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armDCacheFlush(layout, sizeof(*layout));
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{
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std::scoped_lock<HosMutex> lk(g_async_op_lock);
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AsyncOperationKey op_key;
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SmcResult res = SmcWrapper::UnwrapTitleKey(&op_key, layout->base, layout->mod, label_digest, label_digest_size, SmcWrapper::GetUnwrapEsKeyOption(type, generation));
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if (res != SmcResult_Success) {
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return ConvertToSplResult(res);
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}
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if ((res = WaitGetResult(g_work_buffer, sizeof(*out_access_key), op_key)) != SmcResult_Success) {
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return ConvertToSplResult(res);
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}
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}
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armDCacheFlush(g_work_buffer, sizeof(*out_access_key));
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std::memcpy(out_access_key, g_work_buffer, sizeof(*out_access_key));
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return ResultSuccess;
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}
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Result SecureMonitorWrapper::UnwrapTitleKey(AccessKey *out_access_key, const void *base, size_t base_size, const void *mod, size_t mod_size, const void *label_digest, size_t label_digest_size, u32 generation) {
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return UnwrapEsRsaOaepWrappedKey(out_access_key, base, base_size, mod, mod_size, label_digest, label_digest_size, generation, EsKeyType_TitleKey);
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}
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Result SecureMonitorWrapper::UnwrapCommonTitleKey(AccessKey *out_access_key, const KeySource &key_source, u32 generation) {
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return ConvertToSplResult(SmcWrapper::UnwrapCommonTitleKey(out_access_key, key_source, generation));
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}
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Result SecureMonitorWrapper::ImportDrmKey(const void *src, size_t src_size, const AccessKey &access_key, const KeySource &key_source) {
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return ImportSecureExpModKey(src, src_size, access_key, key_source, SmcDecryptOrImportMode_ImportDrmKey);
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}
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@ -662,6 +717,23 @@ Result SecureMonitorWrapper::DrmExpMod(void *out, size_t out_size, const void *b
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return SecureExpMod(out, out_size, base, base_size, mod, mod_size, SmcSecureExpModMode_Drm);
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}
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Result SecureMonitorWrapper::UnwrapElicenseKey(AccessKey *out_access_key, const void *base, size_t base_size, const void *mod, size_t mod_size, const void *label_digest, size_t label_digest_size, u32 generation) {
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return UnwrapEsRsaOaepWrappedKey(out_access_key, base, base_size, mod, mod_size, label_digest, label_digest_size, generation, EsKeyType_ElicenseKey);
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}
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Result SecureMonitorWrapper::LoadElicenseKey(u32 keyslot, const void *owner, const AccessKey &access_key) {
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/* Right now, this is just literally the same function as LoadTitleKey in N's impl. */
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return LoadTitleKey(keyslot, owner, access_key);
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}
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Result SecureMonitorWrapper::LoadTitleKey(u32 keyslot, const void *owner, const AccessKey &access_key) {
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Result rc = ValidateAesKeyslot(keyslot, owner);
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if (R_FAILED(rc)) {
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return rc;
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}
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return ConvertToSplResult(SmcWrapper::LoadTitleKey(keyslot, access_key));
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}
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Result SecureMonitorWrapper::FreeAesKeyslots(const void *owner) {
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for (size_t i = 0; i < GetMaxKeyslots(); i++) {
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if (this->keyslot_owners[i] == owner) {
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@ -55,6 +55,7 @@ class SecureMonitorWrapper {
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SmcResult DecryptAesBlock(u32 keyslot, void *dst, const void *src);
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Result ImportSecureExpModKey(const void *src, size_t src_size, const AccessKey &access_key, const KeySource &key_source, u32 option);
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Result SecureExpMod(void *out, size_t out_size, const void *base, size_t base_size, const void *mod, size_t mod_size, u32 option);
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Result UnwrapEsRsaOaepWrappedKey(AccessKey *out_access_key, const void *base, size_t base_size, const void *mod, size_t mod_size, const void *label_digest, size_t label_digest_size, u32 generation, EsKeyType type);
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public:
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/* General. */
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Result GetConfig(u64 *out, SplConfigItem which);
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@ -84,8 +85,15 @@ class SecureMonitorWrapper {
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/* ES */
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Result ImportEsKey(const void *src, size_t src_size, const AccessKey &access_key, const KeySource &key_source, u32 option);
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Result UnwrapTitleKey(AccessKey *out_access_key, const void *base, size_t base_size, const void *mod, size_t mod_size, const void *label_digest, size_t label_digest_size, u32 generation);
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Result UnwrapCommonTitleKey(AccessKey *out_access_key, const KeySource &key_source, u32 generation);
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Result ImportDrmKey(const void *src, size_t src_size, const AccessKey &access_key, const KeySource &key_source);
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Result DrmExpMod(void *out, size_t out_size, const void *base, size_t base_size, const void *mod, size_t mod_size);
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Result UnwrapElicenseKey(AccessKey *out_access_key, const void *base, size_t base_size, const void *mod, size_t mod_size, const void *label_digest, size_t label_digest_size, u32 generation);
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Result LoadElicenseKey(u32 keyslot, const void *owner, const AccessKey &access_key);
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/* FS */
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Result LoadTitleKey(u32 keyslot, const void *owner, const AccessKey &access_key);
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/* Helper. */
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Result FreeAesKeyslots(const void *owner);
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@ -25,6 +25,9 @@ class SmcWrapper {
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static inline u32 GetCryptAesMode(SmcCipherMode mode, u32 keyslot) {
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return static_cast<u32>((mode << 4) | (keyslot & 7));
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}
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static inline u32 GetUnwrapEsKeyOption(EsKeyType type, u32 generation) {
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return static_cast<u32>((type << 6) | (generation & 0x3F));
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}
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public:
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static SmcResult SetConfig(SplConfigItem which, const u64 *value, size_t num_qwords);
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static SmcResult GetConfig(u64 *out, size_t num_qwords, SplConfigItem which);
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