enabled using encrypted action replay codes, just put them in the gameini file, and they are decrypted when read. Note: the first line of a "real" AR code is a verification code, which dolphin's simulator currently missreads. I'm unsure whether to bypass the code by skipping it in ARDecrypt.cpp line 489, or think of some actual solution :p

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@985 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/Common/Src/Common.h

@@ -111,6 +111,13 @@ extern "C" {
 // Various Windows compatibility
 
 #if !defined(_WIN32)
+inline u32 _rotl(u32 x, int shift) {
+    return (x << shift) | (x >> (32 - shift));
+}
+
+inline u32 _rotr(u32 x, int shift) {
+    return (x >> shift) | (x << (32 - shift));
+}
 
 #ifdef __LINUX__
 typedef union _LARGE_INTEGER

Source/Core/Core/Core.vcproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="Windows-1252"?>
 <VisualStudioProject
 	ProjectType="Visual C++"
-	Version="9,00"
+	Version="9.00"
 	Name="Core"
 	ProjectGUID="{F0B874CB-4476-4199-9315-8343D05AE684}"
 	RootNamespace="Core"
@@ -1196,6 +1196,14 @@
 			RelativePath=".\Src\ActionReplay.h"
 			>
 		</File>
+		<File
+			RelativePath=".\Src\ARDecrypt.cpp"
+			>
+		</File>
+		<File
+			RelativePath=".\Src\ARDecrypt.h"
+			>
+		</File>
 		<File
 			RelativePath=".\Src\Console.cpp"
 			>

Source/Core/Core/Src/ARDecrypt.cpp

@@ -0,0 +1,497 @@
+// Copyright (C) 2003-2008 Dolphin Project.
+
+// Most of the code in this file is from:
+//	GCNcrypt - Gamecube AR Crypto Program
+//	Copyright (C) 2003-2004 Parasyte
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 2.0.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official SVN repository and contact information can be found at
+// http://code.google.com/p/dolphin-emu/
+
+#include "ARDecrypt.h"
+#include <algorithm>
+
+int total;
+
+// Alphanumeric filter for text<->bin conversion
+const char *filter = "0123456789ABCDEFGHJKMNPQRTUVWXYZILOS";
+
+u32 genseeds[0x20];
+//u8 globalvar=0;
+//u8 globalvar2=0;
+
+
+const u8 bitstringlen[0x08] = {
+	0x06, 0x0A, 0x0C, 0x11, 0x11, 0x08, 0x07, 0x20,
+};
+
+const u8 gentable0[0x38] = {
+	0x39, 0x31, 0x29, 0x21, 0x19, 0x11, 0x09, 0x01,
+	0x3A, 0x32, 0x2A, 0x22, 0x1A, 0x12, 0x0A, 0x02,
+	0x3B, 0x33, 0x2B, 0x23, 0x1B, 0x13, 0x0B, 0x03,
+	0x3C, 0x34, 0x2C, 0x24, 0x3F, 0x37, 0x2F, 0x27,
+	0x1F, 0x17, 0x0F, 0x07, 0x3E, 0x36, 0x2E, 0x26,
+	0x1E, 0x16, 0x0E, 0x06, 0x3D, 0x35, 0x2D, 0x25,
+	0x1D, 0x15, 0x0D, 0x05, 0x1C, 0x14, 0x0C, 0x04,
+};
+const u8 gentable1[0x08] = {
+	0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01,
+};
+const u8 gentable2[0x10] = {
+	0x01, 0x02, 0x04, 0x06, 0x08, 0x0A, 0x0C, 0x0E,
+	0x0F, 0x11, 0x13, 0x15, 0x17, 0x19, 0x1B, 0x1C,
+};
+const u8 gentable3[0x30] = {
+	0x0E, 0x11, 0x0B, 0x18, 0x01, 0x05, 0x03, 0x1C,
+	0x0F, 0x06, 0x15, 0x0A, 0x17, 0x13, 0x0C, 0x04,
+	0x1A, 0x08, 0x10, 0x07, 0x1B, 0x14, 0x0D, 0x02,
+	0x29, 0x34, 0x1F, 0x25, 0x2F, 0x37, 0x1E, 0x28,
+	0x33, 0x2D, 0x21, 0x30, 0x2C, 0x31, 0x27, 0x38,
+	0x22, 0x35, 0x2E, 0x2A, 0x32, 0x24, 0x1D, 0x20,
+};
+
+const u16 crctable0[0x10] = {
+	0x0000, 0x1081, 0x2102, 0x3183, 0x4204, 0x5285, 0x6306, 0x7387,
+	0x8408, 0x9489, 0xA50A, 0xB58B, 0xC60C, 0xD68D, 0xE70E, 0xF78F,
+};
+const u16 crctable1[0x10] = {
+	0x0000, 0x1189, 0x2312, 0x329B, 0x4624, 0x57AD, 0x6536, 0x74BF,
+	0x8C48, 0x9DC1, 0xAF5A, 0xBED3, 0xCA6C, 0xDBE5, 0xE97E, 0xF8F7,
+};
+
+const u8 gensubtable[0x08] = {
+	0x34, 0x1C, 0x84, 0x9E, 0xFD, 0xA4, 0xB6, 0x7B,
+};
+
+
+const u32 table0[0x40] = {
+	0x01010400, 0x00000000, 0x00010000, 0x01010404, 0x01010004, 0x00010404, 0x00000004, 0x00010000,
+	0x00000400, 0x01010400, 0x01010404, 0x00000400, 0x01000404, 0x01010004, 0x01000000, 0x00000004,
+	0x00000404, 0x01000400, 0x01000400, 0x00010400, 0x00010400, 0x01010000, 0x01010000, 0x01000404,
+	0x00010004, 0x01000004, 0x01000004, 0x00010004, 0x00000000, 0x00000404, 0x00010404, 0x01000000,
+	0x00010000, 0x01010404, 0x00000004, 0x01010000, 0x01010400, 0x01000000, 0x01000000, 0x00000400,
+	0x01010004, 0x00010000, 0x00010400, 0x01000004, 0x00000400, 0x00000004, 0x01000404, 0x00010404,
+	0x01010404, 0x00010004, 0x01010000, 0x01000404, 0x01000004, 0x00000404, 0x00010404, 0x01010400,
+	0x00000404, 0x01000400, 0x01000400, 0x00000000, 0x00010004, 0x00010400, 0x00000000, 0x01010004,
+};
+const u32 table1[0x40] = {
+	0x80108020, 0x80008000, 0x00008000, 0x00108020, 0x00100000, 0x00000020, 0x80100020, 0x80008020,
+	0x80000020, 0x80108020, 0x80108000, 0x80000000, 0x80008000, 0x00100000, 0x00000020, 0x80100020,
+	0x00108000, 0x00100020, 0x80008020, 0x00000000, 0x80000000, 0x00008000, 0x00108020, 0x80100000,
+	0x00100020, 0x80000020, 0x00000000, 0x00108000, 0x00008020, 0x80108000, 0x80100000, 0x00008020,
+	0x00000000, 0x00108020, 0x80100020, 0x00100000, 0x80008020, 0x80100000, 0x80108000, 0x00008000,
+	0x80100000, 0x80008000, 0x00000020, 0x80108020, 0x00108020, 0x00000020, 0x00008000, 0x80000000,
+	0x00008020, 0x80108000, 0x00100000, 0x80000020, 0x00100020, 0x80008020, 0x80000020, 0x00100020,
+	0x00108000, 0x00000000, 0x80008000, 0x00008020, 0x80000000, 0x80100020, 0x80108020, 0x00108000,
+};
+const u32 table2[0x40] = {
+	0x00000208, 0x08020200, 0x00000000, 0x08020008, 0x08000200, 0x00000000, 0x00020208, 0x08000200,
+	0x00020008, 0x08000008, 0x08000008, 0x00020000, 0x08020208, 0x00020008, 0x08020000, 0x00000208,
+	0x08000000, 0x00000008, 0x08020200, 0x00000200, 0x00020200, 0x08020000, 0x08020008, 0x00020208,
+	0x08000208, 0x00020200, 0x00020000, 0x08000208, 0x00000008, 0x08020208, 0x00000200, 0x08000000,
+	0x08020200, 0x08000000, 0x00020008, 0x00000208, 0x00020000, 0x08020200, 0x08000200, 0x00000000,
+	0x00000200, 0x00020008, 0x08020208, 0x08000200, 0x08000008, 0x00000200, 0x00000000, 0x08020008,
+	0x08000208, 0x00020000, 0x08000000, 0x08020208, 0x00000008, 0x00020208, 0x00020200, 0x08000008,
+	0x08020000, 0x08000208, 0x00000208, 0x08020000, 0x00020208, 0x00000008, 0x08020008, 0x00020200,
+};
+const u32 table3[0x40] = {
+	0x00802001, 0x00002081, 0x00002081, 0x00000080, 0x00802080, 0x00800081, 0x00800001, 0x00002001,
+	0x00000000, 0x00802000, 0x00802000, 0x00802081, 0x00000081, 0x00000000, 0x00800080, 0x00800001,
+	0x00000001, 0x00002000, 0x00800000, 0x00802001, 0x00000080, 0x00800000, 0x00002001, 0x00002080,
+	0x00800081, 0x00000001, 0x00002080, 0x00800080, 0x00002000, 0x00802080, 0x00802081, 0x00000081,
+	0x00800080, 0x00800001, 0x00802000, 0x00802081, 0x00000081, 0x00000000, 0x00000000, 0x00802000,
+	0x00002080, 0x00800080, 0x00800081, 0x00000001, 0x00802001, 0x00002081, 0x00002081, 0x00000080,
+	0x00802081, 0x00000081, 0x00000001, 0x00002000, 0x00800001, 0x00002001, 0x00802080, 0x00800081,
+	0x00002001, 0x00002080, 0x00800000, 0x00802001, 0x00000080, 0x00800000, 0x00002000, 0x00802080,
+};
+const u32 table4[0x40] = {
+	0x00000100, 0x02080100, 0x02080000, 0x42000100, 0x00080000, 0x00000100, 0x40000000, 0x02080000,
+	0x40080100, 0x00080000, 0x02000100, 0x40080100, 0x42000100, 0x42080000, 0x00080100, 0x40000000,
+	0x02000000, 0x40080000, 0x40080000, 0x00000000, 0x40000100, 0x42080100, 0x42080100, 0x02000100,
+	0x42080000, 0x40000100, 0x00000000, 0x42000000, 0x02080100, 0x02000000, 0x42000000, 0x00080100,
+	0x00080000, 0x42000100, 0x00000100, 0x02000000, 0x40000000, 0x02080000, 0x42000100, 0x40080100,
+	0x02000100, 0x40000000, 0x42080000, 0x02080100, 0x40080100, 0x00000100, 0x02000000, 0x42080000,
+	0x42080100, 0x00080100, 0x42000000, 0x42080100, 0x02080000, 0x00000000, 0x40080000, 0x42000000,
+	0x00080100, 0x02000100, 0x40000100, 0x00080000, 0x00000000, 0x40080000, 0x02080100, 0x40000100,
+};
+const u32 table5[0x40] = {
+	0x20000010, 0x20400000, 0x00004000, 0x20404010, 0x20400000, 0x00000010, 0x20404010, 0x00400000,
+	0x20004000, 0x00404010, 0x00400000, 0x20000010, 0x00400010, 0x20004000, 0x20000000, 0x00004010,
+	0x00000000, 0x00400010, 0x20004010, 0x00004000, 0x00404000, 0x20004010, 0x00000010, 0x20400010,
+	0x20400010, 0x00000000, 0x00404010, 0x20404000, 0x00004010, 0x00404000, 0x20404000, 0x20000000,
+	0x20004000, 0x00000010, 0x20400010, 0x00404000, 0x20404010, 0x00400000, 0x00004010, 0x20000010,
+	0x00400000, 0x20004000, 0x20000000, 0x00004010, 0x20000010, 0x20404010, 0x00404000, 0x20400000,
+	0x00404010, 0x20404000, 0x00000000, 0x20400010, 0x00000010, 0x00004000, 0x20400000, 0x00404010,
+	0x00004000, 0x00400010, 0x20004010, 0x00000000, 0x20404000, 0x20000000, 0x00400010, 0x20004010,
+};
+const u32 table6[0x40] = {
+	0x00200000, 0x04200002, 0x04000802, 0x00000000, 0x00000800, 0x04000802, 0x00200802, 0x04200800,
+	0x04200802, 0x00200000, 0x00000000, 0x04000002, 0x00000002, 0x04000000, 0x04200002, 0x00000802,
+	0x04000800, 0x00200802, 0x00200002, 0x04000800, 0x04000002, 0x04200000, 0x04200800, 0x00200002,
+	0x04200000, 0x00000800, 0x00000802, 0x04200802, 0x00200800, 0x00000002, 0x04000000, 0x00200800,
+	0x04000000, 0x00200800, 0x00200000, 0x04000802, 0x04000802, 0x04200002, 0x04200002, 0x00000002,
+	0x00200002, 0x04000000, 0x04000800, 0x00200000, 0x04200800, 0x00000802, 0x00200802, 0x04200800,
+	0x00000802, 0x04000002, 0x04200802, 0x04200000, 0x00200800, 0x00000000, 0x00000002, 0x04200802,
+	0x00000000, 0x00200802, 0x04200000, 0x00000800, 0x04000002, 0x04000800, 0x00000800, 0x00200002,
+};
+const u32 table7[0x40] = {
+	0x10001040, 0x00001000, 0x00040000, 0x10041040, 0x10000000, 0x10001040, 0x00000040, 0x10000000,
+	0x00040040, 0x10040000, 0x10041040, 0x00041000, 0x10041000, 0x00041040, 0x00001000, 0x00000040,
+	0x10040000, 0x10000040, 0x10001000, 0x00001040, 0x00041000, 0x00040040, 0x10040040, 0x10041000,
+	0x00001040, 0x00000000, 0x00000000, 0x10040040, 0x10000040, 0x10001000, 0x00041040, 0x00040000,
+	0x00041040, 0x00040000, 0x10041000, 0x00001000, 0x00000040, 0x10040040, 0x00001000, 0x00041040,
+	0x10001000, 0x00000040, 0x10000040, 0x10040000, 0x10040040, 0x10000000, 0x00040000, 0x10001040,
+	0x00000000, 0x10041040, 0x00040040, 0x10000040, 0x10040000, 0x10001000, 0x10001040, 0x00000000,
+	0x10041040, 0x00041000, 0x00041000, 0x00001040, 0x00001040, 0x00040040, 0x10000000, 0x10041000,
+};
+
+
+void generateseeds(u32 *seeds, const u8 *seedtable, u8 doreverse)
+{
+	int i,j;
+	u32 tmp3;
+	u8 array0[0x38],array1[0x38],array2[0x08];
+	u8 tmp,tmp2;
+
+	i = 0;
+	while (i < 0x38)
+	{
+		tmp = (gentable0[i] - 1);
+		array0[i++] = ((u32)(0-(seedtable[tmp>>3] & gentable1[tmp&7])) >> 31);
+	}
+
+	i = 0;
+	while (i < 0x10)
+	{
+		memset(array2,0,8);
+		tmp2 = gentable2[i];
+
+		for (j = 0; j < 0x38; j++)
+		{
+			tmp = (tmp2+j);
+
+			if (j > 0x1B)
+			{
+				if (tmp > 0x37) tmp-=0x1C;
+			}
+			else if (tmp > 0x1B) tmp-=0x1C;
+
+			array1[j] = array0[tmp];
+		}
+		for (j = 0; j < 0x30; j++)
+		{
+			if (!array1[gentable3[j]-1]) continue;
+			tmp = (((j*0x2AAB)>>16) - (j>>0x1F));
+			array2[tmp] |= (gentable1[j-(tmp*6)]>>2);
+		}
+		seeds[i<<1] = ((array2[0]<<24)|(array2[2]<<16)|(array2[4]<<8)|array2[6]);
+		seeds[(i<<1)+1] = ((array2[1]<<24)|(array2[3]<<16)|(array2[5]<<8)|array2[7]);
+		i++;
+	}
+
+	if (!doreverse)
+	{
+		j = 0x1F;
+		for (i = 0; i < 16; i+=2)
+		{
+			tmp3 = seeds[i];
+			seeds[i] = seeds[j-1];
+			seeds[j-1] = tmp3;
+
+			tmp3 = seeds[i+1];
+			seeds[i+1] = seeds[j];
+			seeds[j] = tmp3;
+			j-=2;
+		}
+	}
+}
+
+void buildseeds()
+{
+	generateseeds(genseeds,gensubtable,0);
+}
+
+void getcode(u32 *src, u32 *addr, u32 *val)
+{
+	*addr = Common::swap32(src[0]);
+	*val = Common::swap32(src[1]);
+}
+
+void setcode(u32 *dst, u32 addr, u32 val)
+{
+	dst[0] = Common::swap32(addr);
+	dst[1] = Common::swap32(val);
+}
+
+u16 gencrc16(u32 *codes, u16 size)
+{
+	u16 ret=0;
+	u8 tmp=0,tmp2;
+	int i;
+
+	if (size > 0)
+	{
+		while (tmp < size)
+		{
+			for (i = 0; i < 4; i++)
+			{
+				tmp2 = ((codes[tmp] >> (i<<3))^ret);
+				ret = ((crctable0[(tmp2>>4)&0x0F]^crctable1[tmp2&0x0F])^(ret>>8));
+			}
+			tmp++;
+		}
+	}
+	return ret;
+}
+
+u8 verifycode(u32 *codes, u16 size)
+{
+	u16 tmp;
+
+	tmp = gencrc16(codes,size);
+	return (((tmp>>12)^(tmp>>8)^(tmp>>4)^tmp)&0x0F);
+}
+
+void unscramble1(u32 *addr, u32 *val)
+{
+	u32 tmp;
+
+	*val = _rotl(*val,4);
+
+	tmp = ((*addr^*val)&0xF0F0F0F0);
+	*addr ^= tmp;
+	*val = _rotr((*val^tmp),0x14);
+
+	tmp = ((*addr^*val)&0xFFFF0000);
+	*addr ^= tmp;
+	*val = _rotr((*val^tmp),0x12);
+
+	tmp = ((*addr^*val)&0x33333333);
+	*addr ^= tmp;
+	*val = _rotr((*val^tmp),6);
+
+	tmp = ((*addr^*val)&0x00FF00FF);
+	*addr ^= tmp;
+	*val = _rotl((*val^tmp),9);
+
+	tmp = ((*addr^*val)&0xAAAAAAAA);
+	*addr = _rotl((*addr^tmp),1);
+	*val ^= tmp;
+}
+
+void unscramble2(u32 *addr, u32 *val)
+{
+	u32 tmp;
+
+	*val = _rotr(*val,1);
+
+	tmp = ((*addr^*val)&0xAAAAAAAA);
+	*val ^= tmp;
+	*addr = _rotr((*addr^tmp),9);
+
+	tmp = ((*addr^*val)&0x00FF00FF);
+	*val ^= tmp;
+	*addr = _rotl((*addr^tmp),6);
+
+	tmp = ((*addr^*val)&0x33333333);
+	*val ^= tmp;
+	*addr = _rotl((*addr^tmp),0x12);
+
+	tmp = ((*addr^*val)&0xFFFF0000);
+	*val ^= tmp;
+	*addr = _rotl((*addr^tmp),0x14);
+
+	tmp = ((*addr^*val)&0xF0F0F0F0);
+	*val ^= tmp;
+	*addr = _rotr((*addr^tmp),4);
+}
+
+void decryptcode(u32 *seeds, u32 *code)
+{
+	u32 addr,val;
+	u32 tmp,tmp2;
+	int i=0;
+
+	getcode(code,&addr,&val);
+	unscramble1(&addr,&val);
+	while (i < 32)
+	{
+		tmp = (_rotr(val,4)^seeds[i++]);
+		tmp2 = (val^seeds[i++]);
+		addr ^= (table6[tmp&0x3F]^table4[(tmp>>8)&0x3F]^table2[(tmp>>16)&0x3F]^table0[(tmp>>24)&0x3F]^table7[tmp2&0x3F]^table5[(tmp2>>8)&0x3F]^table3[(tmp2>>16)&0x3F]^table1[(tmp2>>24)&0x3F]);
+
+		tmp = (_rotr(addr,4)^seeds[i++]);
+		tmp2 = (addr^seeds[i++]);
+		val ^= (table6[tmp&0x3F]^table4[(tmp>>8)&0x3F]^table2[(tmp>>16)&0x3F]^table0[(tmp>>24)&0x3F]^table7[tmp2&0x3F]^table5[(tmp2>>8)&0x3F]^table3[(tmp2>>16)&0x3F]^table1[(tmp2>>24)&0x3F]);
+	}
+	unscramble2(&addr,&val);
+	setcode(code,val,addr);
+}
+
+u8 getbitstring(u32 *ctrl, u32 *out, u8 len)
+{
+	u32 *ptr=(u32*)(ctrl[0]+(ctrl[1]<<2));
+
+	*out = 0;
+	while (len--)
+	{
+		if (ctrl[2] > 0x1F)
+		{
+			ctrl[2] = 0;
+			ctrl[1]++;
+			ptr = (u32*)(ctrl[0]+(ctrl[1]<<2));
+		}
+		if (ctrl[1] >= ctrl[3]) return 0;
+		*out = ((*out<<1) | ((*ptr >> (0x1F-ctrl[2])) & 1));
+		ctrl[2]++;
+	}
+	return 1;
+}
+
+u8 batchdecrypt(u32 *codes, u16 size)
+{
+	u32 tmp,*ptr=codes;
+	u32 tmparray[4] = { 0 },tmparray2[8] = { 0 };
+
+	// Not required
+	//if (size & 1) return 0;
+	//if (!size) return 0;
+
+	tmp = (size >> 1);
+	while (tmp--)
+	{
+		decryptcode(genseeds,ptr);
+		ptr+=2;
+	}
+
+	tmparray[0] = (u32)codes;
+	tmparray[1] = 0;
+	tmparray[2] = 4; // Skip crc
+	tmparray[3] = size;
+	getbitstring(tmparray,tmparray2+1,11);	// Game id
+	getbitstring(tmparray,tmparray2+2,17);	// Code id
+	getbitstring(tmparray,tmparray2+3,1);	// Master code
+	getbitstring(tmparray,tmparray2+4,1);	// Unknown
+	getbitstring(tmparray,tmparray2+5,2);	// Region
+
+	// Grab gameid and region from the last decrypted code
+	// Maybe check this against dolphin's GameID? - "code is for wrong game" type msg
+	//gameid = tmparray2[1];
+	//region = tmparray2[5];
+
+	tmp = codes[0];
+	codes[0] &= 0x0FFFFFFF;
+	if ((tmp>>28) != verifycode(codes,size)) return 0;
+
+	return 1;
+
+	// Unfinished (so says Parasyte :p )
+}
+
+int GetVal(const char *flt, char chr)
+{
+	int ret;
+
+	ret = (strchr(flt,chr) - flt);
+	switch (ret)
+	{
+	case 32: // 'I'
+	case 33: // 'L'
+		ret = 1;
+		break;
+	case 34: // 'O'
+		ret = 0;
+		break;
+	case 35: // 'S'
+		ret = 5;
+		break;
+	}
+
+	return ret;
+}
+
+int alphatobin(u32 *dst, std::vector<std::string> alpha, int size)
+{
+	int i,j=0,k;
+	int ret=0,org=(size+1);
+	u32 bin[2];
+	u8 parity;
+
+	while (size)
+	{
+		bin[0]=0;
+		for (i = 0; i < 6; i++)
+		{
+			bin[0] |= (GetVal(filter,alpha[j>>1][i]) << (((5-i)*5)+2));
+		}
+		bin[0] |= (GetVal(filter,alpha[j>>1][6]) >> 3);
+		dst[j++] = bin[0];
+
+		bin[1]=0;
+		for (i = 0; i < 6; i++)
+		{
+			bin[1] |= (GetVal(filter,alpha[j>>1][i+6]) << (((5-i)*5)+4));
+		}
+		bin[1] |= (GetVal(filter,alpha[j>>1][12]) >> 1);
+		dst[j++] = bin[1];
+
+		//verify parity bit
+		k=0;
+		parity=0;
+		for (i = 0; i < 64; i++)
+		{
+			if (i == 32) k++;
+			parity ^= (bin[k] >> (i-(k<<5)));
+		}
+		if ((parity&1) != (GetVal(filter,alpha[(j-2)>>1][12])&1)) ret=(org-size);
+
+		size--;
+	}
+
+	return ret;
+}
+
+void DecryptARCode(std::vector<std::string> vCodes, std::vector<AREntry> &ops)
+{
+	// The almighty buildseeds() function!! without this, the crypto routines are useless
+	buildseeds();
+
+	u32 uCodes[1200];
+	int i,ret;
+
+	for(int i = 0; i < vCodes.size(); ++i)
+	{
+		transform(vCodes[i].begin(), vCodes[i].end(), vCodes[i].begin(), toupper);
+		//PanicAlert("Encrypted AR Code\n%s", vCodes[i].c_str());
+	}
+
+	if ((ret=alphatobin(uCodes, vCodes, vCodes.size())))
+	{
+		PanicAlert("Action Replay Code Decryption Error:\nParity Check Failed\n\nCulprit Code:\n%s", vCodes[ret].c_str());
+		batchdecrypt(uCodes, vCodes.size()<<1);
+	}
+	else if (!batchdecrypt(uCodes, vCodes.size()<<1))
+	{
+		PanicAlert("Action Replay Code Decryption Error:\nCRC Check Failed\n\nFirst Code in Block(verification code):\n%s", vCodes[0].c_str());
+	}
+
+	for (i = 0; i < (vCodes.size()<<1); i+=2)
+	{
+		AREntry op;
+		op.cmd_addr = uCodes[i];
+		op.value = uCodes[i+1];
+		ops.push_back(op);
+		//PanicAlert("Decrypted AR Code:\n%08X %08X", uCodes[i], uCodes[i+1]);
+	}
+}

Source/Core/Core/Src/ARDecrypt.h

@@ -0,0 +1,33 @@
+// Copyright (C) 2003-2008 Dolphin Project.
+
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 2.0.
+
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License 2.0 for more details.
+
+// A copy of the GPL 2.0 should have been included with the program.
+// If not, see http://www.gnu.org/licenses/
+
+// Official SVN repository and contact information can be found at
+// http://code.google.com/p/dolphin-emu/
+#ifndef _ARDECRYPT_H_
+#define _ARDECRYPT_H_
+
+#include <windows.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <vector>
+#include "Common.h"
+#include "ActionReplay.h"
+
+extern int total;
+extern const char *filter;
+
+void DecryptARCode(std::vector<std::string> vCodes, std::vector<AREntry> &ops);
+
+#endif //_ARDECRYPT_H_

Source/Core/Core/Src/ActionReplay.cpp

@@ -29,10 +29,10 @@
 #include <vector>
 
 #include "StringUtil.h"
-#include "IniFile.h"
 #include "HW/Memmap.h"
 #include "ActionReplay.h"
 #include "Core.h"
+#include "ARDecrypt.h"
 
 namespace {
 
@@ -70,6 +70,8 @@ void LoadActionReplayCodes(IniFile &ini)
 		return; // If cheats are off, do not load them
 
 	std::vector<std::string> lines;
+	std::vector<std::string> encryptedLines;
+	std::string oldName;
 	ARCode currentCode;
 	arCodes.clear();
 
@@ -82,10 +84,19 @@ void LoadActionReplayCodes(IniFile &ini)
 		std::vector<std::string> pieces; 
 
 		// Check if the line is a name of the code
-		if (line[0] == '+' || line[0] == '$') {
+		if (line[0] == '+' || line[0] == '$')
-			if (currentCode.ops.size() > 0) {
+		{
-					arCodes.push_back(currentCode);
+			if (currentCode.ops.size())
-					currentCode.ops.clear();
+			{
+				arCodes.push_back(currentCode);
+				currentCode.ops.clear();
+			}
+			if (encryptedLines.size())
+			{
+				DecryptARCode(encryptedLines, currentCode.ops);
+				arCodes.push_back(currentCode);
+				currentCode.ops.clear();
+				encryptedLines.clear();
 			}
 			currentCode.name = line;
 			if (line[0] == '+') currentCode.active = true;
@@ -112,17 +123,26 @@ void LoadActionReplayCodes(IniFile &ini)
 		else
 		{
 			SplitString(line, "-", pieces);
-			if (pieces.size() == 3 && pieces[0].size() == 4 && pieces[1].size() == 4 && pieces[2].size() == 4) 
+			if (pieces.size() == 3 && pieces[0].size() == 4 && pieces[1].size() == 4 && pieces[2].size() == 5) 
 			{
 				// Encrypted AR code
-				PanicAlert("Dolphin does not yet support encrypted AR codes.");
+				// Decryption is done in "blocks", so we must push blocks into a vector,
+				//	then send to decrypt when a new block is encountered, or if it's the last block.
+				encryptedLines.push_back(pieces[0]+pieces[1]+pieces[2]);
 			}
 		}
 	}
 
 	// Handle the last code correctly.
 	if (currentCode.ops.size())
+	{
 		arCodes.push_back(currentCode);
+	}
+	if (encryptedLines.size())
+	{
+		DecryptARCode(encryptedLines, currentCode.ops);
+		arCodes.push_back(currentCode);
+	}
 }
 
 void ActionReplayRunAllActive()
@@ -509,4 +529,4 @@ bool DoARZeroCode_MemoryCopy()
 		return false;
 	}
 	return true;
-}
+}

Source/Core/Core/Src/ActionReplay.h

@@ -14,6 +14,10 @@
 
 // Official SVN repository and contact information can be found at
 // http://code.google.com/p/dolphin-emu/
+#ifndef _ACTIONREPLAY_H_
+#define _ACTIONREPLAY_H_
+
+#include "IniFile.h"
 
 struct AREntry {
 	u32 cmd_addr;
@@ -30,3 +34,4 @@ void ActionReplayRunAllActive();
 bool RunActionReplayCode(const ARCode &arcode);
 void LoadActionReplayCodes(IniFile &ini);
 
+#endif //_ACTIONREPLAY_H_

Source/Core/Core/Src/PatchEngine.h

@@ -46,4 +46,4 @@ void PatchEngine_LoadPatches(const char *gameID);
 void PatchEngine_ApplyLoadPatches();
 void PatchEngine_ApplyFramePatches();
 void PatchEngine_ApplyARPatches();
-#endif
+#endif //_PATCHENGINE_H

Source/Core/Core/Src/PowerPC/Interpreter/Interpreter_Integer.cpp

@@ -20,14 +20,6 @@
 
 namespace Interpreter
 {
-#ifndef _WIN32
-
-inline u32 _rotl(u32 x, int shift) {
-    return (x << shift) | (x >> (32 - shift));
-}
-
-#endif
-
 
 void Helper_UpdateCR0(u32 _uValue)
 {

Source/Core/Core/Src/SConscript

@@ -10,6 +10,7 @@ files = ["Console.cpp",
          "LogManager.cpp",
          "MemTools.cpp",
          "ActionReplay.cpp",
+         "ARDecrypt.cpp",
          "PatchEngine.cpp",
          "State.cpp",
          "Tracer.cpp",