feat: encryption of SDGB 1.40/1.50

sdgb-api/src/title/mod.rs

@@ -1,2 +1,29 @@
+use crate::title::error::ApiError;
+
 pub mod encryption;
 mod error;
+
+pub trait MaiVersion {
+    const AES_KEY: &[u8; 32];
+    const AES_IV: &[u8; 16];
+    const OBFUSECATE_PARAM: &str;
+}
+
+pub trait MaiVersionExt: MaiVersion {
+    fn encode(data: impl AsRef<[u8]>) -> Result<Vec<u8>, ApiError>;
+    fn decode(data: impl AsMut<[u8]>) -> Result<Vec<u8>, ApiError>;
+}
+
+pub struct Sdgb1_40;
+pub struct Sdgb1_50;
+
+impl MaiVersion for Sdgb1_40 {
+    const AES_KEY: &[u8; 32] = b"n7bx6:@Fg_:2;5E89Phy7AyIcpxEQ:R@";
+    const AES_IV: &[u8; 16] = b";;KjR1C3hgB1ovXa";
+    const OBFUSECATE_PARAM: &str = "BEs2D5vW";
+}
+impl MaiVersion for Sdgb1_50 {
+    const AES_KEY: &[u8; 32] = b"a>32bVP7v<63BVLkY[xM>daZ1s9MBP<R";
+    const AES_IV: &[u8; 16] = b"d6xHIKq]1J]Dt^ue";
+    const OBFUSECATE_PARAM: &str = "B44df8yT";
+}