actually make DSi-mode direct boot work to some extent

1 files changed, 0 insertions, 59 deletions

diff --git a/src/DSi_AES.cpp b/src/DSi_AES.cpp
index c2312fa..02e4f1c 100644
--- a/src/DSi_AES.cpp
+++ b/src/DSi_AES.cpp
@@ -576,63 +576,4 @@ void WriteKeyY(u32 slot, u32 offset, u32 val, u32 mask)
     }
 }
 
-
-// utility
-
-void GetModcryptKey(u8* romheader, u8* key)
-{
-    if ((romheader[0x01C] & 0x04) || (romheader[0x1BF] & 0x80))
-    {
-        // dev key
-        memcpy(key, &romheader[0x000], 16);
-        return;
-    }
-
-    /*u8 oldkeys[16*3];
-    memcpy(&oldkeys[16*0], KeyX[0], 16);
-    memcpy(&oldkeys[16*1], KeyY[0], 16);
-    memcpy(&oldkeys[16*2], KeyNormal[0], 16);
-
-    KeyX[0][8] = romheader[0x00C];
-    KeyX[0][9] = romheader[0x00D];
-    KeyX[0][10] = romheader[0x00E];
-    KeyX[0][11] = romheader[0x00F];
-    KeyX[0][12] = romheader[0x00F];
-    KeyX[0][13] = romheader[0x00E];
-    KeyX[0][14] = romheader[0x00D];
-    KeyX[0][15] = romheader[0x00C];
-
-    memcpy(KeyY[0], &romheader[0x350], 16);
-
-    DeriveNormalKey(0);
-    memcpy(key, KeyNormal[0], 16);
-
-    memcpy(KeyX[0], &oldkeys[16*0], 16);
-    memcpy(KeyY[0], &oldkeys[16*1], 16);
-    memcpy(KeyNormal[0], &oldkeys[16*2], 16);*/
-}
-
-void ApplyModcrypt(u8* data, u32 len, u8* key, u8* iv)
-{
-    u8 key_rev[16], iv_rev[16];
-    u8 data_rev[16];
-    u8 oldkeys[16*2];
-    memcpy(&oldkeys[16*0], Ctx.RoundKey, 16);
-    memcpy(&oldkeys[16*1], Ctx.Iv, 16);
-
-    Swap16(key_rev, key);
-    Swap16(iv_rev, iv);
-    AES_init_ctx_iv(&Ctx, key_rev, iv_rev);
-
-    for (u32 i = 0; i < len; i += 16)
-    {
-        Swap16(data_rev, &data[i]);
-        AES_CTR_xcrypt_buffer(&Ctx, data_rev, 16);
-        Swap16(&data[i], data_rev);
-    }
-
-    memcpy(Ctx.RoundKey, &oldkeys[16*0], 16);
-    memcpy(Ctx.Iv, &oldkeys[16*1], 16);
-}
-
 }