tls: remove unused tls_symmetric.h (was used by old "big" AES code)

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/tls.h b/networking/tls.h
index eb0fdd4..0173b87 100644
--- a/networking/tls.h
+++ b/networking/tls.h
@@ -101,7 +101,6 @@
 
 
 #include "tls_pstm.h"
-#include "tls_symmetric.h"
 #include "tls_aes.h"
 #include "tls_aesgcm.h"
 #include "tls_rsa.h"
diff --git a/networking/tls_symmetric.h b/networking/tls_symmetric.h
deleted file mode 100644
index 5e0e4b6..0000000
--- a/networking/tls_symmetric.h
+++ /dev/null
@@ -1,511 +0,0 @@
-/*
- * Copyright (C) 2017 Denys Vlasenko
- *
- * Licensed under GPLv2, see file LICENSE in this source tree.
- */
-
-
-/* The part below is a section of matrixssl-3-7-2b-open/crypto/cryptolib.h
- * Changes are flagged with //bbox
- */
-
-/******************************************************************************/
-/* 32-bit Rotates */
-/******************************************************************************/
-#if defined(_MSC_VER)
-/******************************************************************************/
-
-/* instrinsic rotate */
-#include <stdlib.h>
-#pragma intrinsic(_lrotr,_lrotl)
-#define ROR(x,n) _lrotr(x,n)
-#define ROL(x,n) _lrotl(x,n)
-
-/******************************************************************************/
-#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) && \
-		!defined(INTEL_CC) && !defined(PS_NO_ASM)
-
-static ALWAYS_INLINE unsigned ROL(unsigned word, int i)
-{
- if (__builtin_constant_p(i)) { //box
-   // Rotates by constant use fewer registers,
-   // and on many Intel CPUs rotates by %cl take 2 cycles, not 1.
-   asm ("roll %2,%0"
-	  :"=r" (word)
-	  :"0" (word),"i" (i));
-   return word;
- } //box
- asm ("roll %%cl,%0"
-	  :"=r" (word)
-	  :"0" (word),"c" (i));
- return word;
-}
-
-static ALWAYS_INLINE unsigned ROR(unsigned word, int i)
-{
- if (__builtin_constant_p(i)) { //box
-   asm ("rorl %2,%0"
-	  :"=r" (word)
-	  :"0" (word),"i" (i));
-   return word;
- } //box
- asm ("rorl %%cl,%0"
-	  :"=r" (word)
-	  :"0" (word),"c" (i));
- return word;
-}
-
-/******************************************************************************/
-#else
-
-/* rotates the hard way */
-#define ROL(x, y) \
-	( (((unsigned long)(x)<<(unsigned long)((y)&31)) | \
-	(((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)(32-((y)&31)))) & \
-	0xFFFFFFFFUL)
-#define ROR(x, y) \
-	( ((((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)((y)&31)) | \
-	((unsigned long)(x)<<(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)
-
-#endif /* 32-bit Rotates */
-/******************************************************************************/
-
-#ifdef HAVE_NATIVE_INT64
-#ifdef _MSC_VER
-	#define CONST64(n) n ## ui64
-#else
-	#define CONST64(n) n ## ULL
-#endif
-#endif
-
-/******************************************************************************/
-/*
-	Endian helper macros
- */
-#if defined (ENDIAN_NEUTRAL)
-#define STORE32L(x, y) { \
-(y)[3] = (unsigned char)(((x)>>24)&255); \
-(y)[2] = (unsigned char)(((x)>>16)&255);  \
-(y)[1] = (unsigned char)(((x)>>8)&255); \
-(y)[0] = (unsigned char)((x)&255); \
-}
-
-#define LOAD32L(x, y) { \
-x = ((unsigned long)((y)[3] & 255)<<24) | \
-((unsigned long)((y)[2] & 255)<<16) | \
-((unsigned long)((y)[1] & 255)<<8)  | \
-((unsigned long)((y)[0] & 255)); \
-}
-
-#define STORE64L(x, y) { \
-(y)[7] = (unsigned char)(((x)>>56)&255); \
-(y)[6] = (unsigned char)(((x)>>48)&255); \
-(y)[5] = (unsigned char)(((x)>>40)&255); \
-(y)[4] = (unsigned char)(((x)>>32)&255); \
-(y)[3] = (unsigned char)(((x)>>24)&255); \
-(y)[2] = (unsigned char)(((x)>>16)&255); \
-(y)[1] = (unsigned char)(((x)>>8)&255); \
-(y)[0] = (unsigned char)((x)&255); \
-}
-
-#define LOAD64L(x, y) { \
-x = (((uint64)((y)[7] & 255))<<56)|(((uint64)((y)[6] & 255))<<48)| \
-(((uint64)((y)[5] & 255))<<40)|(((uint64)((y)[4] & 255))<<32)| \
-(((uint64)((y)[3] & 255))<<24)|(((uint64)((y)[2] & 255))<<16)| \
-(((uint64)((y)[1] & 255))<<8)|(((uint64)((y)[0] & 255))); \
-}
-
-#define STORE32H(x, y) { \
-(y)[0] = (unsigned char)(((x)>>24)&255); \
-(y)[1] = (unsigned char)(((x)>>16)&255); \
-(y)[2] = (unsigned char)(((x)>>8)&255); \
-(y)[3] = (unsigned char)((x)&255); \
-}
-
-#define LOAD32H(x, y) { \
-x = ((unsigned long)((y)[0] & 255)<<24) | \
-((unsigned long)((y)[1] & 255)<<16) | \
-((unsigned long)((y)[2] & 255)<<8)  | \
-((unsigned long)((y)[3] & 255)); \
-}
-
-#define STORE64H(x, y) { \
-(y)[0] = (unsigned char)(((x)>>56)&255); \
-(y)[1] = (unsigned char)(((x)>>48)&255); \
-(y)[2] = (unsigned char)(((x)>>40)&255); \
-(y)[3] = (unsigned char)(((x)>>32)&255); \
-(y)[4] = (unsigned char)(((x)>>24)&255); \
-(y)[5] = (unsigned char)(((x)>>16)&255); \
-(y)[6] = (unsigned char)(((x)>>8)&255); \
-(y)[7] = (unsigned char)((x)&255); \
-}
-
-#define LOAD64H(x, y) { \
-x = (((uint64)((y)[0] & 255))<<56)|(((uint64)((y)[1] & 255))<<48) | \
-(((uint64)((y)[2] & 255))<<40)|(((uint64)((y)[3] & 255))<<32) | \
-(((uint64)((y)[4] & 255))<<24)|(((uint64)((y)[5] & 255))<<16) | \
-(((uint64)((y)[6] & 255))<<8)|(((uint64)((y)[7] & 255))); \
-}
-
-#endif /* ENDIAN_NEUTRAL */
-
-#ifdef ENDIAN_LITTLE
-#define STORE32H(x, y) { \
-(y)[0] = (unsigned char)(((x)>>24)&255); \
-(y)[1] = (unsigned char)(((x)>>16)&255); \
-(y)[2] = (unsigned char)(((x)>>8)&255); \
-(y)[3] = (unsigned char)((x)&255); \
-}
-
-#define LOAD32H(x, y) { \
-x = ((unsigned long)((y)[0] & 255)<<24) | \
-((unsigned long)((y)[1] & 255)<<16) | \
-((unsigned long)((y)[2] & 255)<<8)  | \
-((unsigned long)((y)[3] & 255)); \
-}
-
-#define STORE64H(x, y) { \
-(y)[0] = (unsigned char)(((x)>>56)&255); \
-(y)[1] = (unsigned char)(((x)>>48)&255); \
-(y)[2] = (unsigned char)(((x)>>40)&255); \
-(y)[3] = (unsigned char)(((x)>>32)&255); \
-(y)[4] = (unsigned char)(((x)>>24)&255); \
-(y)[5] = (unsigned char)(((x)>>16)&255); \
-(y)[6] = (unsigned char)(((x)>>8)&255); \
-(y)[7] = (unsigned char)((x)&255); \
-}
-
-#define LOAD64H(x, y) { \
-x = (((uint64)((y)[0] & 255))<<56)|(((uint64)((y)[1] & 255))<<48) | \
-(((uint64)((y)[2] & 255))<<40)|(((uint64)((y)[3] & 255))<<32) | \
-(((uint64)((y)[4] & 255))<<24)|(((uint64)((y)[5] & 255))<<16) | \
-(((uint64)((y)[6] & 255))<<8)|(((uint64)((y)[7] & 255))); }
-
-#ifdef ENDIAN_32BITWORD
-#define STORE32L(x, y) { \
-unsigned long __t = (x); memcpy(y, &__t, 4); \
-}
-
-#define LOAD32L(x, y)  memcpy(&(x), y, 4);
-
-#define STORE64L(x, y) { \
-(y)[7] = (unsigned char)(((x)>>56)&255); \
-(y)[6] = (unsigned char)(((x)>>48)&255); \
-(y)[5] = (unsigned char)(((x)>>40)&255); \
-(y)[4] = (unsigned char)(((x)>>32)&255); \
-(y)[3] = (unsigned char)(((x)>>24)&255); \
-(y)[2] = (unsigned char)(((x)>>16)&255); \
-(y)[1] = (unsigned char)(((x)>>8)&255); \
-(y)[0] = (unsigned char)((x)&255); \
-}
-
-#define LOAD64L(x, y) { \
-x = (((uint64)((y)[7] & 255))<<56)|(((uint64)((y)[6] & 255))<<48)| \
-(((uint64)((y)[5] & 255))<<40)|(((uint64)((y)[4] & 255))<<32)| \
-(((uint64)((y)[3] & 255))<<24)|(((uint64)((y)[2] & 255))<<16)| \
-(((uint64)((y)[1] & 255))<<8)|(((uint64)((y)[0] & 255))); \
-}
-
-#else /* 64-bit words then  */
-#define STORE32L(x, y) \
-{ unsigned long __t = (x); memcpy(y, &__t, 4); }
-
-#define LOAD32L(x, y) \
-{ memcpy(&(x), y, 4); x &= 0xFFFFFFFF; }
-
-#define STORE64L(x, y) \
-{ uint64 __t = (x); memcpy(y, &__t, 8); }
-
-#define LOAD64L(x, y) \
-{ memcpy(&(x), y, 8); }
-
-#endif /* ENDIAN_64BITWORD */
-#endif /* ENDIAN_LITTLE */
-
-#ifdef ENDIAN_BIG
-#define STORE32L(x, y) { \
-(y)[3] = (unsigned char)(((x)>>24)&255); \
-(y)[2] = (unsigned char)(((x)>>16)&255); \
-(y)[1] = (unsigned char)(((x)>>8)&255); \
-(y)[0] = (unsigned char)((x)&255); \
-}
-
-#define LOAD32L(x, y) { \
-x = ((unsigned long)((y)[3] & 255)<<24) | \
-((unsigned long)((y)[2] & 255)<<16) | \
-((unsigned long)((y)[1] & 255)<<8)  | \
-((unsigned long)((y)[0] & 255)); \
-}
-
-#define STORE64L(x, y) { \
-(y)[7] = (unsigned char)(((x)>>56)&255); \
-(y)[6] = (unsigned char)(((x)>>48)&255); \
-(y)[5] = (unsigned char)(((x)>>40)&255); \
-(y)[4] = (unsigned char)(((x)>>32)&255); \
-(y)[3] = (unsigned char)(((x)>>24)&255); \
-(y)[2] = (unsigned char)(((x)>>16)&255); \
-(y)[1] = (unsigned char)(((x)>>8)&255); \
-(y)[0] = (unsigned char)((x)&255); \
-}
-
-#define LOAD64L(x, y) { \
-x = (((uint64)((y)[7] & 255))<<56)|(((uint64)((y)[6] & 255))<<48) | \
-(((uint64)((y)[5] & 255))<<40)|(((uint64)((y)[4] & 255))<<32) | \
-(((uint64)((y)[3] & 255))<<24)|(((uint64)((y)[2] & 255))<<16) | \
-(((uint64)((y)[1] & 255))<<8)|(((uint64)((y)[0] & 255))); \
-}
-
-#ifdef ENDIAN_32BITWORD
-#define STORE32H(x, y) \
-{ unsigned int __t = (x); memcpy(y, &__t, 4); }
-
-#define LOAD32H(x, y) memcpy(&(x), y, 4);
-
-#define STORE64H(x, y) { \
-(y)[0] = (unsigned char)(((x)>>56)&255); \
-(y)[1] = (unsigned char)(((x)>>48)&255); \
-(y)[2] = (unsigned char)(((x)>>40)&255); \
-(y)[3] = (unsigned char)(((x)>>32)&255); \
-(y)[4] = (unsigned char)(((x)>>24)&255); \
-(y)[5] = (unsigned char)(((x)>>16)&255); \
-(y)[6] = (unsigned char)(((x)>>8)&255); \
-(y)[7] = (unsigned char)((x)&255); \
-}
-
-#define LOAD64H(x, y) { \
-x = (((uint64)((y)[0] & 255))<<56)|(((uint64)((y)[1] & 255))<<48)| \
-(((uint64)((y)[2] & 255))<<40)|(((uint64)((y)[3] & 255))<<32)| \
-(((uint64)((y)[4] & 255))<<24)|(((uint64)((y)[5] & 255))<<16)| \
-(((uint64)((y)[6] & 255))<<8)| (((uint64)((y)[7] & 255))); \
-}
-
-#else /* 64-bit words then  */
-
-#define STORE32H(x, y) \
-{ unsigned long __t = (x); memcpy(y, &__t, 4); }
-
-#define LOAD32H(x, y) \
-{ memcpy(&(x), y, 4); x &= 0xFFFFFFFF; }
-
-#define STORE64H(x, y) \
-{ uint64 __t = (x); memcpy(y, &__t, 8); }
-
-#define LOAD64H(x, y) \
-{ memcpy(&(x), y, 8); }
-
-#endif /* ENDIAN_64BITWORD */
-#endif /* ENDIAN_BIG */
-
-#ifdef HAVE_NATIVE_INT64
-#define ROL64c(x, y) \
-( (((x)<<((uint64)(y)&63)) | \
-(((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((uint64)64-((y)&63)))) & CONST64(0xFFFFFFFFFFFFFFFF))
-
-#define ROR64c(x, y) \
-( ((((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((uint64)(y)&CONST64(63))) | \
-((x)<<((uint64)(64-((y)&CONST64(63)))))) & CONST64(0xFFFFFFFFFFFFFFFF))
-#endif /* HAVE_NATIVE_INT64 */
-/******************************************************************************/
-
-
-
-/* The part below is taken almost verbatim from matrixssl-3-7-2b-open/crypto/symmetric/.
- * Changes are flagged with //bbox
- */
-
-/**
- *	@file    symmetric.h
- *	@version 33ef80f (HEAD, tag: MATRIXSSL-3-7-2-OPEN, tag: MATRIXSSL-3-7-2-COMM, origin/master, origin/HEAD, master)
- *
- *	Header for internal symmetric key cryptography support.
- */
-/*
- *	Copyright (c) 2013-2015 INSIDE Secure Corporation
- *	Copyright (c) PeerSec Networks, 2002-2011
- *	All Rights Reserved
- *
- *	The latest version of this code is available at http://www.matrixssl.org
- *
- *	This software is open source; you can redistribute it and/or modify
- *	it under the terms of the GNU General Public License as published by
- *	the Free Software Foundation; either version 2 of the License, or
- *	(at your option) any later version.
- *
- *	This General Public License does NOT permit incorporating this software
- *	into proprietary programs.  If you are unable to comply with the GPL, a
- *	commercial license for this software may be purchased from INSIDE at
- *	http://www.insidesecure.com/eng/Company/Locations
- *
- *	This program is distributed in WITHOUT ANY WARRANTY; without even the
- *	implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *	See the GNU General Public License for more details.
- *
- *	You should have received a copy of the GNU General Public License
- *	along with this program; if not, write to the Free Software
- *	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *	http://www.gnu.org/copyleft/gpl.html
- */
-/******************************************************************************/
-
-#ifndef _h_PS_SYMMETRIC
-#define _h_PS_SYMMETRIC
-
-/******************************************************************************/
-#ifdef USE_AES
-/******************************************************************************/
-
-
-#ifndef USE_AES_CBC_EXTERNAL
-typedef struct {
-	uint32 eK[64], dK[64];
-	int32 Nr;
-} psAesKey_t;
-
-typedef struct {
-	int32			blocklen;
-	unsigned char	IV[16];
-	psAesKey_t		key;
-#if defined(USE_AES_GCM) || defined(USE_AES_CCM)
-	unsigned char	EncCtr[16];
-	unsigned char	CtrBlock[16];
-#endif
-#ifdef USE_AES_GCM
-	unsigned char	gInit[16];
-	uint32			TagTemp[4];
-	unsigned char	Hash_SubKey[16];
-	uint32			ProcessedBitCount[4];
-	uint32			InputBufferCount;
-	uint32			OutputBufferCount;
-	union
-	{
-		unsigned char Buffer[128];
-		uint32 BufferAlignment;
-	} Input;
-#endif /* USE_AES_GCM */
-#ifdef USE_AES_CCM
-	uint32_t ccmTagTemp[16 / sizeof(uint32_t)]; /* 32 */
-	union
-	{
-		/* Used for formatting IV. */
-		uint8_t Temporary[16];
-		/* Used for processing Mac. */
-		uint8_t Y0[16];
-	} u; /* 48 */
-#endif /* USE_AES_CCM */
-} psAesCipher_t;
-#endif /* USE_AES_CBC_EXTERNAL */
-
-#endif /* USE_AES */
-
-#ifdef USE_IDEA
-#define SSL_IDEA_KEY_LEN	16
-#define SSL_IDEA_IV_LEN		8
-#define SSL_IDEA_BLOCK_LEN	8
-
-typedef struct {
-	uint16	key_schedule[52];
-} psIdeaKey_t;
-
-typedef struct {
-	psIdeaKey_t		key;
-	uint32			IV[2];
-	short			for_encryption;
-	short			inverted;
-} idea_CBC;
-#endif
-/******************************************************************************/
-
-/******************************************************************************/
-#ifdef USE_SEED
-/******************************************************************************/
-#define SSL_SEED_KEY_LEN	16
-#define SSL_SEED_IV_LEN		16
-
-
-typedef struct {
-	uint32 K[32], dK[32];
-} psSeedKey_t;
-
-typedef struct {
-	int32			blocklen;
-	unsigned char	IV[16];
-	psSeedKey_t		key;
-} seed_CBC;
-
-#endif /* USE_SEED */
-/******************************************************************************/
-
-/******************************************************************************/
-#if defined(USE_3DES) || defined(USE_DES)
-/******************************************************************************/
-#define DES3_KEY_LEN	24
-#define DES3_IV_LEN		8
-#define DES_KEY_LEN		8
-
-typedef struct {
-	uint32 ek[3][32], dk[3][32];
-} psDes3Key_t;
-
-/*
-	A block cipher CBC structure
- */
-typedef struct {
-	int32				blocklen;
-	unsigned char		IV[8];
-	psDes3Key_t			key;
-} des3_CBC;
-
-#endif /* USE_3DES || USE_DES */
-/******************************************************************************/
-
-/******************************************************************************/
-#ifdef USE_ARC4
-typedef struct {
-	unsigned char	state[256];
-	uint32	byteCount;
-	unsigned char	x;
-	unsigned char	y;
-} psRc4Key_t;
-#endif /* USE_ARC4 */
-/******************************************************************************/
-#ifdef USE_RC2
-typedef struct {
-	unsigned xkey[64];
-} psRc2Key_t;
-
-typedef struct {
-	int32				blocklen;
-	unsigned char		IV[8];
-	psRc2Key_t			key;
-} rc2_CBC;
-#endif /* USE_RC2 */
-/******************************************************************************/
-/*	Universal types and defines */
-/******************************************************************************/
-#define MAXBLOCKSIZE	24
-
-typedef union {
-#ifdef USE_RC2
-	rc2_CBC		rc2;
-#endif
-#ifdef USE_ARC4
-	psRc4Key_t	arc4;
-#endif
-#ifdef USE_3DES
-	des3_CBC	des3;
-#endif
-#ifdef USE_AES
-	psAesCipher_t	aes;
-#endif
-#ifdef USE_SEED
-	seed_CBC	seed;
-#endif
-#ifdef USE_IDEA
-	idea_CBC	idea;
-#endif
-} psCipherContext_t;
-
-#define byte(x, n) (((x) >> (8 * (n))) & 255)
-
-#endif /* _h_PS_SYMMETRIC */
-/******************************************************************************/