Added encryption scheme display.

src/core/ncch/ncch_container.cpp

@@ -309,6 +309,53 @@ bool NCCHContainer::HasExHeader() {
     return has_exheader;
 }
 
+ResultStatus NCCHContainer::ReadEncryptionType(EncryptionType& encryption) {
+    ResultStatus result = Load();
+    if (result != ResultStatus::Success)
+        return result;
+
+    if (!has_header)
+        return ResultStatus::ErrorNotUsed;
+
+    if (!is_encrypted) {
+        encryption = EncryptionType::None;
+    } else if (ncch_header.fixed_key) {
+        encryption = EncryptionType::FixedKey;
+    } else {
+        switch (ncch_header.secondary_key_slot) {
+        case 0:
+            encryption = EncryptionType::NCCHSecure1;
+            break;
+        case 1:
+            encryption = EncryptionType::NCCHSecure2;
+            break;
+        case 10:
+            encryption = EncryptionType::NCCHSecure3;
+            break;
+        case 11:
+            encryption = EncryptionType::NCCHSecure4;
+            break;
+        default:
+            LOG_ERROR(Service_FS, "Unknown encryption type {:X}!", ncch_header.secondary_key_slot);
+            return ResultStatus::ErrorNotUsed;
+        }
+    }
+
+    return ResultStatus::Success;
+}
+
+ResultStatus NCCHContainer::ReadSeedCrypto(bool& used) {
+    ResultStatus result = Load();
+    if (result != ResultStatus::Success)
+        return result;
+
+    if (!has_header)
+        return ResultStatus::ErrorNotUsed;
+
+    used = ncch_header.seed_crypto;
+    return ResultStatus::Success;
+}
+
 #pragma pack(push, 1)
 struct RomFSIVFCHeader {
     u32_le magic;

src/core/ncch/ncch_container.h

@@ -13,6 +13,7 @@
 #include "common/file_util.h"
 #include "common/swap.h"
 #include "core/decryptor.h"
+#include "core/importer.h"
 #include "core/result_status.h"
 
 namespace Core {
@@ -252,6 +253,18 @@ public:
      */
     bool HasExHeader();
 
+    /**
+     * Gets encryption type (which key is used).
+     * @return ResultStatus result of function.
+     */
+    ResultStatus ReadEncryptionType(EncryptionType& encryption);
+
+    /**
+     * Gets whether seed crypto is used.
+     * @return ResultStatus result of function.
+     */
+    ResultStatus ReadSeedCrypto(bool& used);
+
     NCCH_Header ncch_header;
     ExHeader_Header exheader_header;
     ExeFs_Header exefs_header;