diff --git a/ArcFormats/Cmvs/ArcCPZ.cs b/ArcFormats/Cmvs/ArcCPZ.cs
index d30e0c5d..2d7aeb3f 100644
--- a/ArcFormats/Cmvs/ArcCPZ.cs
+++ b/ArcFormats/Cmvs/ArcCPZ.cs
@@ -290,13 +290,7 @@ namespace GameRes.Formats.Purple
             for (int i = 0; i < secret_length; ++i)
                 secret_key[i] = secret[i] - key;
 
-            uint shift = key;
-            shift = (shift >> 8) ^ key;
-            shift = (shift >> 8) ^ key;
-            shift = (shift >> 8) ^ key;
-            shift = (shift >> 8) ^ key;
-            shift = ((shift ^ 0xB) & 0xF) + 7;
-
+            int shift = (int)(((key >> 24) ^ (key >> 16) ^ (key >> 8) ^ key ^ 0xB) & 0xF) + 7;
             unsafe
             {
                 fixed (byte* raw = data)
@@ -305,7 +299,7 @@ namespace GameRes.Formats.Purple
                     int i = 5;
                     for (int n = data.Length / 4; n > 0; --n)
                     {
-                        *data32 = Binary.RotR ((secret_key[i] ^ *data32) + scheme.IndexAddend, (int)shift) + 0x01010101;
+                        *data32 = Binary.RotR ((secret_key[i] ^ *data32) + scheme.IndexAddend, shift) + 0x01010101;
                         ++data32;
                         i = (i + 1) % 24;
                     }
diff --git a/ArcFormats/Cmvs/CmvsMD5.cs b/ArcFormats/Cmvs/CmvsMD5.cs
index e9958952..dc07dbf7 100644
--- a/ArcFormats/Cmvs/CmvsMD5.cs
+++ b/ArcFormats/Cmvs/CmvsMD5.cs
@@ -27,7 +27,7 @@ using GameRes.Utility;
 
 namespace GameRes.Formats.Cmvs
 {
-    public enum Md5Variant { A, B, Chrono }
+    public enum Md5Variant { A, B, Chrono, Memoria }
 
     public abstract class MD5 : Cryptography.MD5Base
     {
@@ -43,6 +43,7 @@ namespace GameRes.Formats.Cmvs
             case Md5Variant.A: return new Md5VariantA();
             case Md5Variant.B: return new Md5VariantB();
             case Md5Variant.Chrono: return new Md5Chrono();
+            case Md5Variant.Memoria: return new Md5Memoria();
             default: throw new System.ArgumentException ("Unknown MD5 variant", "variant");
             }
         }
@@ -111,4 +112,23 @@ namespace GameRes.Formats.Cmvs
             data[3] = m_state[0] + 0x1D0638AD;
         }
     }
+
+    public class Md5Memoria : MD5
+    {
+        protected override void InitState ()
+        {
+            m_state[0] = 0xA79463F9;
+            m_state[1] = 0xB6E755C5;
+            m_state[2] = 0xC696AF21;
+            m_state[3] = 0x6983E978;
+        }
+
+        protected override void SetResult (uint[] data)
+        {
+            data[0] = m_state[1];
+            data[1] = m_state[2];
+            data[2] = m_state[3];
+            data[3] = m_state[0];
+        }
+    }
 }
diff --git a/supported.html b/supported.html
index 3767a560..e4b07182 100644
--- a/supported.html
+++ b/supported.html
@@ -768,6 +768,7 @@ Favorite Sweet!<br/>
 Nanapuri<br/>
 Sabae no Ou Scenario II<br/>
 Soushinjutsu 3<br/>
+Temaribana<br/>
 Wakan Kazoku<br/>
 </td></tr>
 <tr class="odd last"><td>*.spd</td><td><tt>SPDC</tt><br/><tt>SPD8</tt></td><td>No</td></tr>
@@ -864,6 +865,7 @@ Gakuen Saimin Reido<br/>
 Chrono Clock<br/>
 Hapymaher<br/>
 Haruiro Ouse<br/>
+Memoria<br/>
 </td></tr>
 <tr class="last"><td>*.pb3</td><td><tt>PB3B</tt></td><td>No</td></tr>
 <tr class="odd"><td>*.g2<br/>*.stx</td><td>-</td><td>No</td><td rowspan="2">GLib2</td><td rowspan="2">