From 0471fe267719869fbb5908caf2877344d6f14e74 Mon Sep 17 00:00:00 2001
From: brain <brain@e03df62e-2008-0410-955e-edbf42e46eb7>
Date: Sun, 10 Dec 2006 15:51:31 +0000
Subject: Removal of AES, this is no longer required. (This also eliminates
 code that isnt ours, and was some public domain crap)

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@5915 e03df62e-2008-0410-955e-edbf42e46eb7
---
 include/aes.h | 209 ----------------------------------------------------------
 1 file changed, 209 deletions(-)
 delete mode 100644 include/aes.h

(limited to 'include')

diff --git a/include/aes.h b/include/aes.h
deleted file mode 100644
index 05f947084..000000000
--- a/include/aes.h
+++ /dev/null
@@ -1,209 +0,0 @@
-#ifndef __AES_H__
-#define __AES_H__
-
-#include <cstring>
-#include "inspircd_config.h"
-#include "base.h"
-
-using namespace std;
-
-/** The AES class is a utility class for use in modules and the core for encryption of data.
- */
-class AES : public classbase
-{
-public:
-	enum { ECB=0, CBC=1, CFB=2 };
-
-private:
-	enum { DEFAULT_BLOCK_SIZE=16 };
-	enum { MAX_BLOCK_SIZE=32, MAX_ROUNDS=14, MAX_KC=8, MAX_BC=8 };
-
-	static int Mul(int a, int b)
-	{
-		return (a != 0 && b != 0) ? sm_alog[(sm_log[a & 0xFF] + sm_log[b & 0xFF]) % 255] : 0;
-	}
-
-	/** Convenience method used in generating Transposition Boxes
-	 */
-	static int Mul4(int a, char b[])
-	{
-		if(a == 0)
-			return 0;
-		a = sm_log[a & 0xFF];
-		int a0 = (b[0] != 0) ? sm_alog[(a + sm_log[b[0] & 0xFF]) % 255] & 0xFF : 0;
-		int a1 = (b[1] != 0) ? sm_alog[(a + sm_log[b[1] & 0xFF]) % 255] & 0xFF : 0;
-		int a2 = (b[2] != 0) ? sm_alog[(a + sm_log[b[2] & 0xFF]) % 255] & 0xFF : 0;
-		int a3 = (b[3] != 0) ? sm_alog[(a + sm_log[b[3] & 0xFF]) % 255] & 0xFF : 0;
-		return a0 << 24 | a1 << 16 | a2 << 8 | a3;
-	}
-
-public:
-	AES();
-
-	virtual ~AES();
-
-	/** Expand a user-supplied key material into a session key.
-	 * 
-	 * @param key The 128/192/256-bit user-key to use.
-	 * @param chain Initial chain block for CBC and CFB modes.
-	 * @param keylength 16, 24 or 32 bytes
-	 * @param blockSize The block size in bytes of this Rijndael (16, 24 or 32 bytes).
-	 */
-	void MakeKey(char const* key, char const* chain, int keylength=DEFAULT_BLOCK_SIZE, int blockSize=DEFAULT_BLOCK_SIZE);
-
-private:
-	/** Auxiliary Function
-	 */
-	void Xor(char* buff, char const* chain)
-	{
-		if(false==m_bKeyInit)
-			return;
-		for(int i=0; i<m_blockSize; i++)
-			*(buff++) ^= *(chain++);	
-	}
-
-	/** Convenience method to encrypt exactly one block of plaintext, assuming Rijndael's default block size (128-bit).
-	 * @param in The plaintext
-	 * @param result The ciphertext generated from a plaintext using the key
-	 */
-	void DefEncryptBlock(char const* in, char* result);
-
-	/** Convenience method to decrypt exactly one block of plaintext, assuming Rijndael's default block size (128-bit).
-	 * @param in The ciphertext.
-	 * @param result The plaintext generated from a ciphertext using the session key.
-	 */
-	void DefDecryptBlock(char const* in, char* result);
-
-public:
-	/** Encrypt exactly one block of plaintext.
-	 * @param in The plaintext.
-	 * @param result The ciphertext generated from a plaintext using the key.
-	 */
-	void EncryptBlock(char const* in, char* result);
-	
-	/** Decrypt exactly one block of ciphertext.
-	 * @param in The ciphertext.
-	 * @param result The plaintext generated from a ciphertext using the session key.
-	 */
-	void DecryptBlock(char const* in, char* result);
-
-	/** Encrypt multiple blocks of plaintext.
-	 * @param n Number of bytes to encrypt, must be a multiple of the keysize
-	 * @param in The plaintext to encrypt
-	 * @param result The output ciphertext
-	 * @param iMode Mode to use
-	 */
-	void Encrypt(char const* in, char* result, size_t n, int iMode=ECB);
-	
-	/** Decrypt multiple blocks of ciphertext.
-	 * @param n Number of bytes to decrypt, must be a multiple of the keysize
-	 * @param in The ciphertext to decrypt
-	 * @param result The output plaintext
-	 * @param iMode Mode to use
-	 */
-	void Decrypt(char const* in, char* result, size_t n, int iMode=ECB);
-
-	/** Get Key Length
-	 */
-	int GetKeyLength()
-	{
-		if(false==m_bKeyInit)
-			return 0;
-		return m_keylength;
-	}
-
-	/** Get Block Size
-	 */
-	int GetBlockSize()
-	{
-		if(false==m_bKeyInit)
-			return 0;
-		return m_blockSize;
-	}
-	
-	/** Get Number of Rounds
-	 */
-	int GetRounds()
-	{
-		if(false==m_bKeyInit)
-			return 0;
-		return m_iROUNDS;
-	}
-
-	/** Reset the chain
-	 */
-	void ResetChain()
-	{
-		memcpy(m_chain, m_chain0, m_blockSize);
-	}
-
-public:
-	/** Null chain
-	 */
-	static char const* sm_chain0;
-
-private:
-	static const int sm_alog[256];
-	static const int sm_log[256];
-	static const char sm_S[256];
-	static const char sm_Si[256];
-	static const int sm_T1[256];
-	static const int sm_T2[256];
-	static const int sm_T3[256];
-	static const int sm_T4[256];
-	static const int sm_T5[256];
-	static const int sm_T6[256];
-	static const int sm_T7[256];
-	static const int sm_T8[256];
-	static const int sm_U1[256];
-	static const int sm_U2[256];
-	static const int sm_U3[256];
-	static const int sm_U4[256];
-	static const char sm_rcon[30];
-	static const int sm_shifts[3][4][2];
-	/** Key Initialization Flag
-	 */
-	bool m_bKeyInit;
-	/** Encryption (m_Ke) round key
-	 */
-	int m_Ke[MAX_ROUNDS+1][MAX_BC];
-	/** Decryption (m_Kd) round key
-	 */
-	int m_Kd[MAX_ROUNDS+1][MAX_BC];
-	/** Key Length
-	 */
-	int m_keylength;
-	/** Block Size
-	 */
-	int	m_blockSize;
-	/** Number of Rounds
-	 */
-	int m_iROUNDS;
-	/**Chain Block
-	 */
-	char m_chain0[MAX_BLOCK_SIZE];
-	char m_chain[MAX_BLOCK_SIZE];
-	/** Auxiliary private use buffers
-	 */
-	int tk[MAX_KC];
-	int a[MAX_BC];
-	int t[MAX_BC];
-};
-
-#endif
-
-/** Convert from binary to base64
- * @param out Output
- * @param in Input
- * @param inlen Number of bytes in input buffer
- */
-
-void to64frombits(unsigned char *out, const unsigned char *in, int inlen);
-/** Convert from base64 to binary
- * @out Output
- * @in Input
- * @maxlen Size of output buffer
- * @return Number of bytes actually converted
- */
-int from64tobits(char *out, const char *in, int maxlen);
-
-- 
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