From d6a0d5d43263be84959ab74e8e6570c1b9a28693 Mon Sep 17 00:00:00 2001
From: Zach Hilman <zachhilman@gmail.com>
Date: Sun, 23 Sep 2018 20:56:02 -0400
Subject: key_manager: Add support for more keys TSEC, SBK, BIS, and other
 Sources for proper derivation

---
 src/core/crypto/key_manager.cpp | 68 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 67 insertions(+), 1 deletion(-)

(limited to 'src/core/crypto/key_manager.cpp')

diff --git a/src/core/crypto/key_manager.cpp b/src/core/crypto/key_manager.cpp
index 0f1a86d1e..2a0b0b574 100644
--- a/src/core/crypto/key_manager.cpp
+++ b/src/core/crypto/key_manager.cpp
@@ -152,6 +152,12 @@ KeyManager::KeyManager() {
     AttemptLoadKeyFile(yuzu_keys_dir, yuzu_keys_dir, "console.keys_autogenerated", false);
 }
 
+static bool ValidCryptoRevisionString(const std::string& base, size_t begin, size_t length) {
+    if (base.size() < begin + length)
+        return false;
+    return std::all_of(base.begin() + begin, base.begin() + begin + length, ::isdigit);
+}
+
 void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) {
     std::ifstream file(filename);
     if (!file.is_open())
@@ -190,6 +196,59 @@ void KeyManager::LoadFromFile(const std::string& filename, bool is_title_keys) {
                 const auto index = s256_file_id.at(out[0]);
                 Key256 key = Common::HexStringToArray<32>(out[1]);
                 s256_keys[{index.type, index.field1, index.field2}] = key;
+            } else if (out[0].compare(0, 8, "keyblob_") == 0 &&
+                       out[0].compare(0, 9, "keyblob_k") != 0) {
+                if (!ValidCryptoRevisionString(out[0], 8, 2))
+                    continue;
+
+                const auto index = std::stoul(out[0].substr(8, 2), nullptr, 16);
+                keyblobs[index] = Common::HexStringToArray<0x90>(out[1]);
+            } else if (out[0].compare(0, 18, "encrypted_keyblob_") == 0) {
+                if (!ValidCryptoRevisionString(out[0], 18, 2))
+                    continue;
+
+                const auto index = std::stoul(out[0].substr(18, 2), nullptr, 16);
+                encrypted_keyblobs[index] = Common::HexStringToArray<0xB0>(out[1]);
+            } else {
+                for (const auto& kv : std::map<std::pair<S128KeyType, u64>, std::string>{
+                         {{S128KeyType::Master, 0}, "master_key_"},
+                         {{S128KeyType::Package1, 0}, "package1_key_"},
+                         {{S128KeyType::Package2, 0}, "package2_key_"},
+                         {{S128KeyType::Titlekek, 0}, "titlekek_"},
+                         {{S128KeyType::Source, static_cast<u64>(SourceKeyType::Keyblob)},
+                          "keyblob_key_source_"},
+                         {{S128KeyType::Keyblob, 0}, "keyblob_key_"},
+                         {{S128KeyType::KeyblobMAC, 0}, "keyblob_mac_key_"},
+                     }) {
+                    if (!ValidCryptoRevisionString(out[0], kv.second.size(), 2))
+                        continue;
+                    if (out[0].compare(0, kv.second.size(), kv.second) == 0) {
+                        const auto index =
+                            std::stoul(out[0].substr(kv.second.size(), 2), nullptr, 16);
+                        const auto sub = kv.first.second;
+                        if (sub == 0) {
+                            s128_keys[{kv.first.first, index, 0}] =
+                                Common::HexStringToArray<16>(out[1]);
+                        } else {
+                            s128_keys[{kv.first.first, kv.first.second, index}] =
+                                Common::HexStringToArray<16>(out[1]);
+                        }
+
+                        break;
+                    }
+                }
+
+                const static std::array<const char*, 3> kak_names = {
+                    "key_area_key_application_", "key_area_key_ocean_", "key_area_key_system_"};
+                for (size_t j = 0; j < 3; ++j) {
+                    const auto& match = kak_names[j];
+                    if (out[0].compare(0, std::strlen(match), match) == 0) {
+                        const auto index =
+                            std::stoul(out[0].substr(std::strlen(match), 2), nullptr, 16);
+                        s128_keys[{S128KeyType::KeyArea, index, j}] =
+                            Common::HexStringToArray<16>(out[1]);
+                    }
+                }
             }
         }
     }
@@ -255,8 +314,15 @@ void KeyManager::SetKey(S128KeyType id, Key128 key, u64 field1, u64 field2) {
         Key128 rights_id;
         std::memcpy(rights_id.data(), &field2, sizeof(u64));
         std::memcpy(rights_id.data() + sizeof(u64), &field1, sizeof(u64));
-        WriteKeyToFile(true, Common::HexArrayToString(rights_id), key);
+        WriteKeyToFile(KeyCategory::Title, Common::HexArrayToString(rights_id), key);
     }
+
+    auto category = KeyCategory::Standard;
+    if (id == S128KeyType::Keyblob || id == S128KeyType::KeyblobMAC || id == S128KeyType::TSEC ||
+        id == S128KeyType::SecureBoot || id == S128KeyType::SDSeed || id == S128KeyType::BIS) {
+        category = KeyCategory::Console;
+    }
+
     const auto iter2 = std::find_if(
         s128_file_id.begin(), s128_file_id.end(),
         [&id, &field1, &field2](const std::pair<std::string, KeyIndex<S128KeyType>> elem) {
-- 
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