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src/des3.c@1:e4ea39eba2fb, 2019-11-25 (annotated)

Committer:: sPymbed
Date:: Mon Nov 25 14:23:49 2019 +0000
Revision:: 1:e4ea39eba2fb
Parent:: 0:1387ff3eed4a

improved

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User	Revision	Line number	New contents of line
sPymbed	0:1387ff3eed4a	1	/* des3.c
sPymbed	0:1387ff3eed4a	2	*
sPymbed	0:1387ff3eed4a	3	* Copyright (C) 2006-2017 wolfSSL Inc.
sPymbed	0:1387ff3eed4a	4	*
sPymbed	0:1387ff3eed4a	5	* This file is part of wolfSSL.
sPymbed	0:1387ff3eed4a	6	*
sPymbed	0:1387ff3eed4a	7	* wolfSSL is free software; you can redistribute it and/or modify
sPymbed	0:1387ff3eed4a	8	* it under the terms of the GNU General Public License as published by
sPymbed	0:1387ff3eed4a	9	* the Free Software Foundation; either version 2 of the License, or
sPymbed	0:1387ff3eed4a	10	* (at your option) any later version.
sPymbed	0:1387ff3eed4a	11	*
sPymbed	0:1387ff3eed4a	12	* wolfSSL is distributed in the hope that it will be useful,
sPymbed	0:1387ff3eed4a	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
sPymbed	0:1387ff3eed4a	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
sPymbed	0:1387ff3eed4a	15	* GNU General Public License for more details.
sPymbed	0:1387ff3eed4a	16	*
sPymbed	0:1387ff3eed4a	17	* You should have received a copy of the GNU General Public License
sPymbed	0:1387ff3eed4a	18	* along with this program; if not, write to the Free Software
sPymbed	0:1387ff3eed4a	19	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
sPymbed	0:1387ff3eed4a	20	*/
sPymbed	0:1387ff3eed4a	21
sPymbed	0:1387ff3eed4a	22
sPymbed	0:1387ff3eed4a	23	#ifdef HAVE_CONFIG_H
sPymbed	0:1387ff3eed4a	24	#include <config.h>
sPymbed	0:1387ff3eed4a	25	#endif
sPymbed	0:1387ff3eed4a	26
sPymbed	0:1387ff3eed4a	27	#include <wolfcrypt/settings.h>
sPymbed	0:1387ff3eed4a	28	#include <wolfcrypt/error-crypt.h>
sPymbed	0:1387ff3eed4a	29	#include <wolfcrypt/logging.h>
sPymbed	0:1387ff3eed4a	30
sPymbed	0:1387ff3eed4a	31
sPymbed	0:1387ff3eed4a	32	#ifndef NO_DES3
sPymbed	0:1387ff3eed4a	33
sPymbed	0:1387ff3eed4a	34	#if defined(HAVE_FIPS) && \
sPymbed	0:1387ff3eed4a	35	defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
sPymbed	0:1387ff3eed4a	36
sPymbed	0:1387ff3eed4a	37	/* set NO_WRAPPERS before headers, use direct internal f()s not wrappers */
sPymbed	0:1387ff3eed4a	38	#define FIPS_NO_WRAPPERS
sPymbed	0:1387ff3eed4a	39
sPymbed	0:1387ff3eed4a	40	#ifdef USE_WINDOWS_API
sPymbed	0:1387ff3eed4a	41	#pragma code_seg(".fipsA$i")
sPymbed	0:1387ff3eed4a	42	#pragma const_seg(".fipsB$i")
sPymbed	0:1387ff3eed4a	43	#endif
sPymbed	0:1387ff3eed4a	44	#endif
sPymbed	0:1387ff3eed4a	45
sPymbed	0:1387ff3eed4a	46	#include <wolfcrypt/des3.h>
sPymbed	0:1387ff3eed4a	47
sPymbed	0:1387ff3eed4a	48	/* fips wrapper calls, user can call direct */
sPymbed	0:1387ff3eed4a	49	#if defined(HAVE_FIPS) && \
sPymbed	0:1387ff3eed4a	50	(!defined(HAVE_FIPS_VERSION) \|\| (HAVE_FIPS_VERSION < 2))
sPymbed	0:1387ff3eed4a	51
sPymbed	0:1387ff3eed4a	52	int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
sPymbed	0:1387ff3eed4a	53	{
sPymbed	0:1387ff3eed4a	54	return Des_SetKey(des, key, iv, dir);
sPymbed	0:1387ff3eed4a	55	}
sPymbed	0:1387ff3eed4a	56	int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
sPymbed	0:1387ff3eed4a	57	{
sPymbed	0:1387ff3eed4a	58	if (des == NULL \|\| key == NULL \|\| dir < 0) {
sPymbed	0:1387ff3eed4a	59	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	60	}
sPymbed	0:1387ff3eed4a	61
sPymbed	0:1387ff3eed4a	62	return Des3_SetKey_fips(des, key, iv, dir);
sPymbed	0:1387ff3eed4a	63	}
sPymbed	0:1387ff3eed4a	64	int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	65	{
sPymbed	0:1387ff3eed4a	66	return Des_CbcEncrypt(des, out, in, sz);
sPymbed	0:1387ff3eed4a	67	}
sPymbed	0:1387ff3eed4a	68	int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	69	{
sPymbed	0:1387ff3eed4a	70	return Des_CbcDecrypt(des, out, in, sz);
sPymbed	0:1387ff3eed4a	71	}
sPymbed	0:1387ff3eed4a	72	int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	73	{
sPymbed	0:1387ff3eed4a	74	if (des == NULL \|\| out == NULL \|\| in == NULL) {
sPymbed	0:1387ff3eed4a	75	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	76	}
sPymbed	0:1387ff3eed4a	77	return Des3_CbcEncrypt_fips(des, out, in, sz);
sPymbed	0:1387ff3eed4a	78	}
sPymbed	0:1387ff3eed4a	79	int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	80	{
sPymbed	0:1387ff3eed4a	81	if (des == NULL \|\| out == NULL \|\| in == NULL) {
sPymbed	0:1387ff3eed4a	82	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	83	}
sPymbed	0:1387ff3eed4a	84	return Des3_CbcDecrypt_fips(des, out, in, sz);
sPymbed	0:1387ff3eed4a	85	}
sPymbed	0:1387ff3eed4a	86
sPymbed	0:1387ff3eed4a	87	#ifdef WOLFSSL_DES_ECB
sPymbed	0:1387ff3eed4a	88	/* One block, compatibility only */
sPymbed	0:1387ff3eed4a	89	int wc_Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	90	{
sPymbed	0:1387ff3eed4a	91	return Des_EcbEncrypt(des, out, in, sz);
sPymbed	0:1387ff3eed4a	92	}
sPymbed	0:1387ff3eed4a	93	int wc_Des3_EcbEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	94	{
sPymbed	0:1387ff3eed4a	95	return Des3_EcbEncrypt(des, out, in, sz);
sPymbed	0:1387ff3eed4a	96	}
sPymbed	0:1387ff3eed4a	97	#endif /* WOLFSSL_DES_ECB */
sPymbed	0:1387ff3eed4a	98
sPymbed	0:1387ff3eed4a	99	void wc_Des_SetIV(Des* des, const byte* iv)
sPymbed	0:1387ff3eed4a	100	{
sPymbed	0:1387ff3eed4a	101	Des_SetIV(des, iv);
sPymbed	0:1387ff3eed4a	102	}
sPymbed	0:1387ff3eed4a	103	int wc_Des3_SetIV(Des3* des, const byte* iv)
sPymbed	0:1387ff3eed4a	104	{
sPymbed	0:1387ff3eed4a	105	return Des3_SetIV_fips(des, iv);
sPymbed	0:1387ff3eed4a	106	}
sPymbed	0:1387ff3eed4a	107
sPymbed	0:1387ff3eed4a	108	int wc_Des3Init(Des3* des3, void* heap, int devId)
sPymbed	0:1387ff3eed4a	109	{
sPymbed	0:1387ff3eed4a	110	(void)des3;
sPymbed	0:1387ff3eed4a	111	(void)heap;
sPymbed	0:1387ff3eed4a	112	(void)devId;
sPymbed	0:1387ff3eed4a	113	/* FIPS doesn't support:
sPymbed	0:1387ff3eed4a	114	return Des3Init(des3, heap, devId); */
sPymbed	0:1387ff3eed4a	115	return 0;
sPymbed	0:1387ff3eed4a	116	}
sPymbed	0:1387ff3eed4a	117	void wc_Des3Free(Des3* des3)
sPymbed	0:1387ff3eed4a	118	{
sPymbed	0:1387ff3eed4a	119	(void)des3;
sPymbed	0:1387ff3eed4a	120	/* FIPS doesn't support:
sPymbed	0:1387ff3eed4a	121	Des3Free(des3); */
sPymbed	0:1387ff3eed4a	122	}
sPymbed	0:1387ff3eed4a	123
sPymbed	0:1387ff3eed4a	124	#else /* else build without fips, or for FIPS v2 */
sPymbed	0:1387ff3eed4a	125
sPymbed	0:1387ff3eed4a	126
sPymbed	0:1387ff3eed4a	127	#if defined(WOLFSSL_TI_CRYPT)
sPymbed	0:1387ff3eed4a	128	#include <wolfcrypt/src/port/ti/ti-des3.c>
sPymbed	0:1387ff3eed4a	129	#else
sPymbed	0:1387ff3eed4a	130
sPymbed	0:1387ff3eed4a	131
sPymbed	0:1387ff3eed4a	132	#ifdef NO_INLINE
sPymbed	0:1387ff3eed4a	133	#include <wolfssl/wolfcrypt/misc.h>
sPymbed	0:1387ff3eed4a	134	#else
sPymbed	0:1387ff3eed4a	135	#define WOLFSSL_MISC_INCLUDED
sPymbed	0:1387ff3eed4a	136	#include <wolfcrypt/src/misc.c>
sPymbed	0:1387ff3eed4a	137	#endif
sPymbed	0:1387ff3eed4a	138
sPymbed	0:1387ff3eed4a	139
sPymbed	0:1387ff3eed4a	140	/* Hardware Acceleration */
sPymbed	0:1387ff3eed4a	141	#if defined(STM32_CRYPTO)
sPymbed	0:1387ff3eed4a	142
sPymbed	0:1387ff3eed4a	143	/*
sPymbed	0:1387ff3eed4a	144	* STM32F2/F4 hardware DES/3DES support through the standard
sPymbed	0:1387ff3eed4a	145	* peripheral library. (See note in README).
sPymbed	0:1387ff3eed4a	146	*/
sPymbed	0:1387ff3eed4a	147
sPymbed	0:1387ff3eed4a	148	int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
sPymbed	0:1387ff3eed4a	149	{
sPymbed	0:1387ff3eed4a	150	word32 *dkey = des->key;
sPymbed	0:1387ff3eed4a	151
sPymbed	0:1387ff3eed4a	152	(void)dir;
sPymbed	0:1387ff3eed4a	153
sPymbed	0:1387ff3eed4a	154	XMEMCPY(dkey, key, 8);
sPymbed	0:1387ff3eed4a	155	#ifndef WOLFSSL_STM32_CUBEMX
sPymbed	0:1387ff3eed4a	156	ByteReverseWords(dkey, dkey, 8);
sPymbed	0:1387ff3eed4a	157	#endif
sPymbed	0:1387ff3eed4a	158
sPymbed	0:1387ff3eed4a	159	wc_Des_SetIV(des, iv);
sPymbed	0:1387ff3eed4a	160
sPymbed	0:1387ff3eed4a	161	return 0;
sPymbed	0:1387ff3eed4a	162	}
sPymbed	0:1387ff3eed4a	163
sPymbed	0:1387ff3eed4a	164	int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
sPymbed	0:1387ff3eed4a	165	{
sPymbed	0:1387ff3eed4a	166	#ifndef WOLFSSL_STM32_CUBEMX
sPymbed	0:1387ff3eed4a	167	word32 *dkey1 = des->key[0];
sPymbed	0:1387ff3eed4a	168	word32 *dkey2 = des->key[1];
sPymbed	0:1387ff3eed4a	169	word32 *dkey3 = des->key[2];
sPymbed	0:1387ff3eed4a	170
sPymbed	0:1387ff3eed4a	171	(void)dir;
sPymbed	0:1387ff3eed4a	172
sPymbed	0:1387ff3eed4a	173	XMEMCPY(dkey1, key, 8); /* set key 1 */
sPymbed	0:1387ff3eed4a	174	XMEMCPY(dkey2, key + 8, 8); /* set key 2 */
sPymbed	0:1387ff3eed4a	175	XMEMCPY(dkey3, key + 16, 8); /* set key 3 */
sPymbed	0:1387ff3eed4a	176
sPymbed	0:1387ff3eed4a	177	ByteReverseWords(dkey1, dkey1, 8);
sPymbed	0:1387ff3eed4a	178	ByteReverseWords(dkey2, dkey2, 8);
sPymbed	0:1387ff3eed4a	179	ByteReverseWords(dkey3, dkey3, 8);
sPymbed	0:1387ff3eed4a	180	#else
sPymbed	0:1387ff3eed4a	181	(void)dir;
sPymbed	0:1387ff3eed4a	182	XMEMCPY(des->key[0], key, DES3_KEYLEN); /* CUBEMX wants keys in sequential memory */
sPymbed	0:1387ff3eed4a	183	#endif
sPymbed	0:1387ff3eed4a	184
sPymbed	0:1387ff3eed4a	185	return wc_Des3_SetIV(des, iv);
sPymbed	0:1387ff3eed4a	186	}
sPymbed	0:1387ff3eed4a	187
sPymbed	0:1387ff3eed4a	188	static void DesCrypt(Des* des, byte* out, const byte* in, word32 sz,
sPymbed	0:1387ff3eed4a	189	int dir, int mode)
sPymbed	0:1387ff3eed4a	190	{
sPymbed	0:1387ff3eed4a	191	#ifdef WOLFSSL_STM32_CUBEMX
sPymbed	0:1387ff3eed4a	192	CRYP_HandleTypeDef hcryp;
sPymbed	0:1387ff3eed4a	193
sPymbed	0:1387ff3eed4a	194	XMEMSET(&hcryp, 0, sizeof(CRYP_HandleTypeDef));
sPymbed	0:1387ff3eed4a	195	hcryp.Instance = CRYP;
sPymbed	0:1387ff3eed4a	196	hcryp.Init.KeySize = CRYP_KEYSIZE_128B;
sPymbed	0:1387ff3eed4a	197	hcryp.Init.DataType = CRYP_DATATYPE_8B;
sPymbed	0:1387ff3eed4a	198	hcryp.Init.pKey = (uint8_t*)des->key;
sPymbed	0:1387ff3eed4a	199	hcryp.Init.pInitVect = (uint8_t*)des->reg;
sPymbed	0:1387ff3eed4a	200
sPymbed	0:1387ff3eed4a	201	HAL_CRYP_Init(&hcryp);
sPymbed	0:1387ff3eed4a	202
sPymbed	0:1387ff3eed4a	203	while (sz > 0)
sPymbed	0:1387ff3eed4a	204	{
sPymbed	0:1387ff3eed4a	205	/* if input and output same will overwrite input iv */
sPymbed	0:1387ff3eed4a	206	XMEMCPY(des->tmp, in + sz - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	207
sPymbed	0:1387ff3eed4a	208	if (mode == DES_CBC) {
sPymbed	0:1387ff3eed4a	209	if (dir == DES_ENCRYPTION) {
sPymbed	0:1387ff3eed4a	210	HAL_CRYP_DESCBC_Encrypt(&hcryp, (uint8_t*)in,
sPymbed	0:1387ff3eed4a	211	DES_BLOCK_SIZE, out, STM32_HAL_TIMEOUT);
sPymbed	0:1387ff3eed4a	212	}
sPymbed	0:1387ff3eed4a	213	else {
sPymbed	0:1387ff3eed4a	214	HAL_CRYP_DESCBC_Decrypt(&hcryp, (uint8_t*)in,
sPymbed	0:1387ff3eed4a	215	DES_BLOCK_SIZE, out, STM32_HAL_TIMEOUT);
sPymbed	0:1387ff3eed4a	216	}
sPymbed	0:1387ff3eed4a	217	}
sPymbed	0:1387ff3eed4a	218	else {
sPymbed	0:1387ff3eed4a	219	if (dir == DES_ENCRYPTION) {
sPymbed	0:1387ff3eed4a	220	HAL_CRYP_DESECB_Encrypt(&hcryp, (uint8_t*)in,
sPymbed	0:1387ff3eed4a	221	DES_BLOCK_SIZE, out, STM32_HAL_TIMEOUT);
sPymbed	0:1387ff3eed4a	222	}
sPymbed	0:1387ff3eed4a	223	else {
sPymbed	0:1387ff3eed4a	224	HAL_CRYP_DESECB_Decrypt(&hcryp, (uint8_t*)in,
sPymbed	0:1387ff3eed4a	225	DES_BLOCK_SIZE, out, STM32_HAL_TIMEOUT);
sPymbed	0:1387ff3eed4a	226	}
sPymbed	0:1387ff3eed4a	227	}
sPymbed	0:1387ff3eed4a	228
sPymbed	0:1387ff3eed4a	229	/* store iv for next call */
sPymbed	0:1387ff3eed4a	230	XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	231
sPymbed	0:1387ff3eed4a	232	sz -= DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	233	in += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	234	out += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	235	}
sPymbed	0:1387ff3eed4a	236
sPymbed	0:1387ff3eed4a	237	HAL_CRYP_DeInit(&hcryp);
sPymbed	0:1387ff3eed4a	238	#else
sPymbed	0:1387ff3eed4a	239	word32 dkey, iv;
sPymbed	0:1387ff3eed4a	240	CRYP_InitTypeDef DES_CRYP_InitStructure;
sPymbed	0:1387ff3eed4a	241	CRYP_KeyInitTypeDef DES_CRYP_KeyInitStructure;
sPymbed	0:1387ff3eed4a	242	CRYP_IVInitTypeDef DES_CRYP_IVInitStructure;
sPymbed	0:1387ff3eed4a	243
sPymbed	0:1387ff3eed4a	244	dkey = des->key;
sPymbed	0:1387ff3eed4a	245	iv = des->reg;
sPymbed	0:1387ff3eed4a	246
sPymbed	0:1387ff3eed4a	247	/* crypto structure initialization */
sPymbed	0:1387ff3eed4a	248	CRYP_KeyStructInit(&DES_CRYP_KeyInitStructure);
sPymbed	0:1387ff3eed4a	249	CRYP_StructInit(&DES_CRYP_InitStructure);
sPymbed	0:1387ff3eed4a	250	CRYP_IVStructInit(&DES_CRYP_IVInitStructure);
sPymbed	0:1387ff3eed4a	251
sPymbed	0:1387ff3eed4a	252	/* reset registers to their default values */
sPymbed	0:1387ff3eed4a	253	CRYP_DeInit();
sPymbed	0:1387ff3eed4a	254
sPymbed	0:1387ff3eed4a	255	/* set direction, mode, and datatype */
sPymbed	0:1387ff3eed4a	256	if (dir == DES_ENCRYPTION) {
sPymbed	0:1387ff3eed4a	257	DES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Encrypt;
sPymbed	0:1387ff3eed4a	258	} else { /* DES_DECRYPTION */
sPymbed	0:1387ff3eed4a	259	DES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Decrypt;
sPymbed	0:1387ff3eed4a	260	}
sPymbed	0:1387ff3eed4a	261
sPymbed	0:1387ff3eed4a	262	if (mode == DES_CBC) {
sPymbed	0:1387ff3eed4a	263	DES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_DES_CBC;
sPymbed	0:1387ff3eed4a	264	} else { /* DES_ECB */
sPymbed	0:1387ff3eed4a	265	DES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_DES_ECB;
sPymbed	0:1387ff3eed4a	266	}
sPymbed	0:1387ff3eed4a	267
sPymbed	0:1387ff3eed4a	268	DES_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_8b;
sPymbed	0:1387ff3eed4a	269	CRYP_Init(&DES_CRYP_InitStructure);
sPymbed	0:1387ff3eed4a	270
sPymbed	0:1387ff3eed4a	271	/* load key into correct registers */
sPymbed	0:1387ff3eed4a	272	DES_CRYP_KeyInitStructure.CRYP_Key1Left = dkey[0];
sPymbed	0:1387ff3eed4a	273	DES_CRYP_KeyInitStructure.CRYP_Key1Right = dkey[1];
sPymbed	0:1387ff3eed4a	274	CRYP_KeyInit(&DES_CRYP_KeyInitStructure);
sPymbed	0:1387ff3eed4a	275
sPymbed	0:1387ff3eed4a	276	/* set iv */
sPymbed	0:1387ff3eed4a	277	ByteReverseWords(iv, iv, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	278	DES_CRYP_IVInitStructure.CRYP_IV0Left = iv[0];
sPymbed	0:1387ff3eed4a	279	DES_CRYP_IVInitStructure.CRYP_IV0Right = iv[1];
sPymbed	0:1387ff3eed4a	280	CRYP_IVInit(&DES_CRYP_IVInitStructure);
sPymbed	0:1387ff3eed4a	281
sPymbed	0:1387ff3eed4a	282	/* enable crypto processor */
sPymbed	0:1387ff3eed4a	283	CRYP_Cmd(ENABLE);
sPymbed	0:1387ff3eed4a	284
sPymbed	0:1387ff3eed4a	285	while (sz > 0)
sPymbed	0:1387ff3eed4a	286	{
sPymbed	0:1387ff3eed4a	287	/* flush IN/OUT FIFOs */
sPymbed	0:1387ff3eed4a	288	CRYP_FIFOFlush();
sPymbed	0:1387ff3eed4a	289
sPymbed	0:1387ff3eed4a	290	/* if input and output same will overwrite input iv */
sPymbed	0:1387ff3eed4a	291	XMEMCPY(des->tmp, in + sz - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	292
sPymbed	0:1387ff3eed4a	293	CRYP_DataIn((uint32_t)&in[0]);
sPymbed	0:1387ff3eed4a	294	CRYP_DataIn((uint32_t)&in[4]);
sPymbed	0:1387ff3eed4a	295
sPymbed	0:1387ff3eed4a	296	/* wait until the complete message has been processed */
sPymbed	0:1387ff3eed4a	297	while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
sPymbed	0:1387ff3eed4a	298
sPymbed	0:1387ff3eed4a	299	(uint32_t)&out[0] = CRYP_DataOut();
sPymbed	0:1387ff3eed4a	300	(uint32_t)&out[4] = CRYP_DataOut();
sPymbed	0:1387ff3eed4a	301
sPymbed	0:1387ff3eed4a	302	/* store iv for next call */
sPymbed	0:1387ff3eed4a	303	XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	304
sPymbed	0:1387ff3eed4a	305	sz -= DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	306	in += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	307	out += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	308	}
sPymbed	0:1387ff3eed4a	309
sPymbed	0:1387ff3eed4a	310	/* disable crypto processor */
sPymbed	0:1387ff3eed4a	311	CRYP_Cmd(DISABLE);
sPymbed	0:1387ff3eed4a	312	#endif /* WOLFSSL_STM32_CUBEMX */
sPymbed	0:1387ff3eed4a	313	}
sPymbed	0:1387ff3eed4a	314
sPymbed	0:1387ff3eed4a	315	int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	316	{
sPymbed	0:1387ff3eed4a	317	DesCrypt(des, out, in, sz, DES_ENCRYPTION, DES_CBC);
sPymbed	0:1387ff3eed4a	318	return 0;
sPymbed	0:1387ff3eed4a	319	}
sPymbed	0:1387ff3eed4a	320
sPymbed	0:1387ff3eed4a	321	int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	322	{
sPymbed	0:1387ff3eed4a	323	DesCrypt(des, out, in, sz, DES_DECRYPTION, DES_CBC);
sPymbed	0:1387ff3eed4a	324	return 0;
sPymbed	0:1387ff3eed4a	325	}
sPymbed	0:1387ff3eed4a	326
sPymbed	0:1387ff3eed4a	327	int wc_Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	328	{
sPymbed	0:1387ff3eed4a	329	DesCrypt(des, out, in, sz, DES_ENCRYPTION, DES_ECB);
sPymbed	0:1387ff3eed4a	330	return 0;
sPymbed	0:1387ff3eed4a	331	}
sPymbed	0:1387ff3eed4a	332
sPymbed	0:1387ff3eed4a	333	static void Des3Crypt(Des3* des, byte* out, const byte* in, word32 sz,
sPymbed	0:1387ff3eed4a	334	int dir)
sPymbed	0:1387ff3eed4a	335	{
sPymbed	0:1387ff3eed4a	336	#ifdef WOLFSSL_STM32_CUBEMX
sPymbed	0:1387ff3eed4a	337	CRYP_HandleTypeDef hcryp;
sPymbed	0:1387ff3eed4a	338
sPymbed	0:1387ff3eed4a	339	XMEMSET(&hcryp, 0, sizeof(CRYP_HandleTypeDef));
sPymbed	0:1387ff3eed4a	340	hcryp.Instance = CRYP;
sPymbed	0:1387ff3eed4a	341	hcryp.Init.KeySize = CRYP_KEYSIZE_128B;
sPymbed	0:1387ff3eed4a	342	hcryp.Init.DataType = CRYP_DATATYPE_8B;
sPymbed	0:1387ff3eed4a	343	hcryp.Init.pKey = (uint8_t*)des->key;
sPymbed	0:1387ff3eed4a	344	hcryp.Init.pInitVect = (uint8_t*)des->reg;
sPymbed	0:1387ff3eed4a	345
sPymbed	0:1387ff3eed4a	346	HAL_CRYP_Init(&hcryp);
sPymbed	0:1387ff3eed4a	347
sPymbed	0:1387ff3eed4a	348	while (sz > 0)
sPymbed	0:1387ff3eed4a	349	{
sPymbed	0:1387ff3eed4a	350	if (dir == DES_ENCRYPTION) {
sPymbed	0:1387ff3eed4a	351	HAL_CRYP_TDESCBC_Encrypt(&hcryp, (byte*)in,
sPymbed	0:1387ff3eed4a	352	DES_BLOCK_SIZE, out, STM32_HAL_TIMEOUT);
sPymbed	0:1387ff3eed4a	353	}
sPymbed	0:1387ff3eed4a	354	else {
sPymbed	0:1387ff3eed4a	355	HAL_CRYP_TDESCBC_Decrypt(&hcryp, (byte*)in,
sPymbed	0:1387ff3eed4a	356	DES_BLOCK_SIZE, out, STM32_HAL_TIMEOUT);
sPymbed	0:1387ff3eed4a	357	}
sPymbed	0:1387ff3eed4a	358
sPymbed	0:1387ff3eed4a	359	/* store iv for next call */
sPymbed	0:1387ff3eed4a	360	XMEMCPY(des->reg, out + sz - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	361
sPymbed	0:1387ff3eed4a	362	sz -= DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	363	in += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	364	out += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	365	}
sPymbed	0:1387ff3eed4a	366
sPymbed	0:1387ff3eed4a	367	HAL_CRYP_DeInit(&hcryp);
sPymbed	0:1387ff3eed4a	368	#else
sPymbed	0:1387ff3eed4a	369	word32 dkey1, dkey2, dkey3, iv;
sPymbed	0:1387ff3eed4a	370	CRYP_InitTypeDef DES3_CRYP_InitStructure;
sPymbed	0:1387ff3eed4a	371	CRYP_KeyInitTypeDef DES3_CRYP_KeyInitStructure;
sPymbed	0:1387ff3eed4a	372	CRYP_IVInitTypeDef DES3_CRYP_IVInitStructure;
sPymbed	0:1387ff3eed4a	373
sPymbed	0:1387ff3eed4a	374	dkey1 = des->key[0];
sPymbed	0:1387ff3eed4a	375	dkey2 = des->key[1];
sPymbed	0:1387ff3eed4a	376	dkey3 = des->key[2];
sPymbed	0:1387ff3eed4a	377	iv = des->reg;
sPymbed	0:1387ff3eed4a	378
sPymbed	0:1387ff3eed4a	379	/* crypto structure initialization */
sPymbed	0:1387ff3eed4a	380	CRYP_KeyStructInit(&DES3_CRYP_KeyInitStructure);
sPymbed	0:1387ff3eed4a	381	CRYP_StructInit(&DES3_CRYP_InitStructure);
sPymbed	0:1387ff3eed4a	382	CRYP_IVStructInit(&DES3_CRYP_IVInitStructure);
sPymbed	0:1387ff3eed4a	383
sPymbed	0:1387ff3eed4a	384	/* reset registers to their default values */
sPymbed	0:1387ff3eed4a	385	CRYP_DeInit();
sPymbed	0:1387ff3eed4a	386
sPymbed	0:1387ff3eed4a	387	/* set direction, mode, and datatype */
sPymbed	0:1387ff3eed4a	388	if (dir == DES_ENCRYPTION) {
sPymbed	0:1387ff3eed4a	389	DES3_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Encrypt;
sPymbed	0:1387ff3eed4a	390	} else {
sPymbed	0:1387ff3eed4a	391	DES3_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Decrypt;
sPymbed	0:1387ff3eed4a	392	}
sPymbed	0:1387ff3eed4a	393
sPymbed	0:1387ff3eed4a	394	DES3_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_TDES_CBC;
sPymbed	0:1387ff3eed4a	395	DES3_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_8b;
sPymbed	0:1387ff3eed4a	396	CRYP_Init(&DES3_CRYP_InitStructure);
sPymbed	0:1387ff3eed4a	397
sPymbed	0:1387ff3eed4a	398	/* load key into correct registers */
sPymbed	0:1387ff3eed4a	399	DES3_CRYP_KeyInitStructure.CRYP_Key1Left = dkey1[0];
sPymbed	0:1387ff3eed4a	400	DES3_CRYP_KeyInitStructure.CRYP_Key1Right = dkey1[1];
sPymbed	0:1387ff3eed4a	401	DES3_CRYP_KeyInitStructure.CRYP_Key2Left = dkey2[0];
sPymbed	0:1387ff3eed4a	402	DES3_CRYP_KeyInitStructure.CRYP_Key2Right = dkey2[1];
sPymbed	0:1387ff3eed4a	403	DES3_CRYP_KeyInitStructure.CRYP_Key3Left = dkey3[0];
sPymbed	0:1387ff3eed4a	404	DES3_CRYP_KeyInitStructure.CRYP_Key3Right = dkey3[1];
sPymbed	0:1387ff3eed4a	405	CRYP_KeyInit(&DES3_CRYP_KeyInitStructure);
sPymbed	0:1387ff3eed4a	406
sPymbed	0:1387ff3eed4a	407	/* set iv */
sPymbed	0:1387ff3eed4a	408	ByteReverseWords(iv, iv, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	409	DES3_CRYP_IVInitStructure.CRYP_IV0Left = iv[0];
sPymbed	0:1387ff3eed4a	410	DES3_CRYP_IVInitStructure.CRYP_IV0Right = iv[1];
sPymbed	0:1387ff3eed4a	411	CRYP_IVInit(&DES3_CRYP_IVInitStructure);
sPymbed	0:1387ff3eed4a	412
sPymbed	0:1387ff3eed4a	413	/* enable crypto processor */
sPymbed	0:1387ff3eed4a	414	CRYP_Cmd(ENABLE);
sPymbed	0:1387ff3eed4a	415
sPymbed	0:1387ff3eed4a	416	while (sz > 0)
sPymbed	0:1387ff3eed4a	417	{
sPymbed	0:1387ff3eed4a	418	/* flush IN/OUT FIFOs */
sPymbed	0:1387ff3eed4a	419	CRYP_FIFOFlush();
sPymbed	0:1387ff3eed4a	420
sPymbed	0:1387ff3eed4a	421	CRYP_DataIn((uint32_t)&in[0]);
sPymbed	0:1387ff3eed4a	422	CRYP_DataIn((uint32_t)&in[4]);
sPymbed	0:1387ff3eed4a	423
sPymbed	0:1387ff3eed4a	424	/* wait until the complete message has been processed */
sPymbed	0:1387ff3eed4a	425	while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
sPymbed	0:1387ff3eed4a	426
sPymbed	0:1387ff3eed4a	427	(uint32_t)&out[0] = CRYP_DataOut();
sPymbed	0:1387ff3eed4a	428	(uint32_t)&out[4] = CRYP_DataOut();
sPymbed	0:1387ff3eed4a	429
sPymbed	0:1387ff3eed4a	430	/* store iv for next call */
sPymbed	0:1387ff3eed4a	431	XMEMCPY(des->reg, out + sz - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	432
sPymbed	0:1387ff3eed4a	433	sz -= DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	434	in += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	435	out += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	436	}
sPymbed	0:1387ff3eed4a	437
sPymbed	0:1387ff3eed4a	438	/* disable crypto processor */
sPymbed	0:1387ff3eed4a	439	CRYP_Cmd(DISABLE);
sPymbed	0:1387ff3eed4a	440	#endif /* WOLFSSL_STM32_CUBEMX */
sPymbed	0:1387ff3eed4a	441	}
sPymbed	0:1387ff3eed4a	442
sPymbed	0:1387ff3eed4a	443	int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	444	{
sPymbed	0:1387ff3eed4a	445	Des3Crypt(des, out, in, sz, DES_ENCRYPTION);
sPymbed	0:1387ff3eed4a	446	return 0;
sPymbed	0:1387ff3eed4a	447	}
sPymbed	0:1387ff3eed4a	448
sPymbed	0:1387ff3eed4a	449	int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	450	{
sPymbed	0:1387ff3eed4a	451	Des3Crypt(des, out, in, sz, DES_DECRYPTION);
sPymbed	0:1387ff3eed4a	452	return 0;
sPymbed	0:1387ff3eed4a	453	}
sPymbed	0:1387ff3eed4a	454
sPymbed	0:1387ff3eed4a	455	#elif defined(HAVE_COLDFIRE_SEC)
sPymbed	0:1387ff3eed4a	456
sPymbed	0:1387ff3eed4a	457	#include <wolfssl/ctaocrypt/types.h>
sPymbed	0:1387ff3eed4a	458
sPymbed	0:1387ff3eed4a	459	#include "sec.h"
sPymbed	0:1387ff3eed4a	460	#include "mcf5475_sec.h"
sPymbed	0:1387ff3eed4a	461	#include "mcf5475_siu.h"
sPymbed	0:1387ff3eed4a	462
sPymbed	0:1387ff3eed4a	463	#if defined (HAVE_THREADX)
sPymbed	0:1387ff3eed4a	464	#include "memory_pools.h"
sPymbed	0:1387ff3eed4a	465	extern TX_BYTE_POOL mp_ncached; /* Non Cached memory pool */
sPymbed	0:1387ff3eed4a	466	#endif
sPymbed	0:1387ff3eed4a	467
sPymbed	0:1387ff3eed4a	468	#define DES_BUFFER_SIZE (DES_BLOCK_SIZE * 64)
sPymbed	0:1387ff3eed4a	469	static unsigned char *desBuffIn = NULL;
sPymbed	0:1387ff3eed4a	470	static unsigned char *desBuffOut = NULL;
sPymbed	0:1387ff3eed4a	471	static byte *secIV;
sPymbed	0:1387ff3eed4a	472	static byte *secKey;
sPymbed	0:1387ff3eed4a	473	static volatile SECdescriptorType *secDesc;
sPymbed	0:1387ff3eed4a	474
sPymbed	0:1387ff3eed4a	475	static wolfSSL_Mutex Mutex_DesSEC;
sPymbed	0:1387ff3eed4a	476
sPymbed	0:1387ff3eed4a	477	#define SEC_DESC_DES_CBC_ENCRYPT 0x20500010
sPymbed	0:1387ff3eed4a	478	#define SEC_DESC_DES_CBC_DECRYPT 0x20400010
sPymbed	0:1387ff3eed4a	479	#define SEC_DESC_DES3_CBC_ENCRYPT 0x20700010
sPymbed	0:1387ff3eed4a	480	#define SEC_DESC_DES3_CBC_DECRYPT 0x20600010
sPymbed	0:1387ff3eed4a	481
sPymbed	0:1387ff3eed4a	482	#define DES_IVLEN 8
sPymbed	0:1387ff3eed4a	483	#define DES_KEYLEN 8
sPymbed	0:1387ff3eed4a	484	#define DES3_IVLEN 8
sPymbed	0:1387ff3eed4a	485	#define DES3_KEYLEN 24
sPymbed	0:1387ff3eed4a	486
sPymbed	0:1387ff3eed4a	487	extern volatile unsigned char __MBAR[];
sPymbed	0:1387ff3eed4a	488
sPymbed	0:1387ff3eed4a	489	static void wc_Des_Cbc(byte* out, const byte* in, word32 sz,
sPymbed	0:1387ff3eed4a	490	byte key, byte iv, word32 desc)
sPymbed	0:1387ff3eed4a	491	{
sPymbed	0:1387ff3eed4a	492	#ifdef DEBUG_WOLFSSL
sPymbed	0:1387ff3eed4a	493	int ret; int stat1,stat2;
sPymbed	0:1387ff3eed4a	494	#endif
sPymbed	0:1387ff3eed4a	495	int size;
sPymbed	0:1387ff3eed4a	496	volatile int v;
sPymbed	0:1387ff3eed4a	497
sPymbed	0:1387ff3eed4a	498	wc_LockMutex(&Mutex_DesSEC) ;
sPymbed	0:1387ff3eed4a	499
sPymbed	0:1387ff3eed4a	500	secDesc->length1 = 0x0;
sPymbed	0:1387ff3eed4a	501	secDesc->pointer1 = NULL;
sPymbed	0:1387ff3eed4a	502	if((desc==SEC_DESC_DES_CBC_ENCRYPT)\|\|(desc==SEC_DESC_DES_CBC_DECRYPT)){
sPymbed	0:1387ff3eed4a	503	secDesc->length2 = DES_IVLEN;
sPymbed	0:1387ff3eed4a	504	secDesc->length3 = DES_KEYLEN;
sPymbed	0:1387ff3eed4a	505	} else {
sPymbed	0:1387ff3eed4a	506	secDesc->length2 = DES3_IVLEN;
sPymbed	0:1387ff3eed4a	507	secDesc->length3 = DES3_KEYLEN;
sPymbed	0:1387ff3eed4a	508	}
sPymbed	0:1387ff3eed4a	509	secDesc->pointer2 = secIV;
sPymbed	0:1387ff3eed4a	510	secDesc->pointer3 = secKey;
sPymbed	0:1387ff3eed4a	511	secDesc->pointer4 = desBuffIn;
sPymbed	0:1387ff3eed4a	512	secDesc->pointer5 = desBuffOut;
sPymbed	0:1387ff3eed4a	513	secDesc->length6 = 0;
sPymbed	0:1387ff3eed4a	514	secDesc->pointer6 = NULL;
sPymbed	0:1387ff3eed4a	515	secDesc->length7 = 0x0;
sPymbed	0:1387ff3eed4a	516	secDesc->pointer7 = NULL;
sPymbed	0:1387ff3eed4a	517	secDesc->nextDescriptorPtr = NULL;
sPymbed	0:1387ff3eed4a	518
sPymbed	0:1387ff3eed4a	519	while(sz) {
sPymbed	0:1387ff3eed4a	520	XMEMCPY(secIV, iv, secDesc->length2);
sPymbed	0:1387ff3eed4a	521	if((sz%DES_BUFFER_SIZE) == sz) {
sPymbed	0:1387ff3eed4a	522	size = sz;
sPymbed	0:1387ff3eed4a	523	sz = 0;
sPymbed	0:1387ff3eed4a	524	} else {
sPymbed	0:1387ff3eed4a	525	size = DES_BUFFER_SIZE;
sPymbed	0:1387ff3eed4a	526	sz -= DES_BUFFER_SIZE;
sPymbed	0:1387ff3eed4a	527	}
sPymbed	0:1387ff3eed4a	528
sPymbed	0:1387ff3eed4a	529	XMEMCPY(desBuffIn, in, size);
sPymbed	0:1387ff3eed4a	530	XMEMCPY(secKey, key, secDesc->length3);
sPymbed	0:1387ff3eed4a	531
sPymbed	0:1387ff3eed4a	532	secDesc->header = desc;
sPymbed	0:1387ff3eed4a	533	secDesc->length4 = size;
sPymbed	0:1387ff3eed4a	534	secDesc->length5 = size;
sPymbed	0:1387ff3eed4a	535	/* Point SEC to the location of the descriptor */
sPymbed	0:1387ff3eed4a	536	MCF_SEC_FR0 = (uint32)secDesc;
sPymbed	0:1387ff3eed4a	537	/* Initialize SEC and wait for encryption to complete */
sPymbed	0:1387ff3eed4a	538	MCF_SEC_CCCR0 = 0x0000001a;
sPymbed	0:1387ff3eed4a	539	/* poll SISR to determine when channel is complete */
sPymbed	0:1387ff3eed4a	540	v=0;
sPymbed	0:1387ff3eed4a	541	while((secDesc->header>> 24) != 0xff) {
sPymbed	0:1387ff3eed4a	542	if(v++ > 1000)break;
sPymbed	0:1387ff3eed4a	543	}
sPymbed	0:1387ff3eed4a	544
sPymbed	0:1387ff3eed4a	545	#ifdef DEBUG_WOLFSSL
sPymbed	0:1387ff3eed4a	546	ret = MCF_SEC_SISRH;
sPymbed	0:1387ff3eed4a	547	stat1 = MCF_SEC_DSR;
sPymbed	0:1387ff3eed4a	548	stat2 = MCF_SEC_DISR;
sPymbed	0:1387ff3eed4a	549	if(ret & 0xe0000000) {
sPymbed	0:1387ff3eed4a	550	/* db_printf("Des_Cbc(%x):ISRH=%08x, DSR=%08x, DISR=%08x\n", desc, ret, stat1, stat2); */
sPymbed	0:1387ff3eed4a	551	}
sPymbed	0:1387ff3eed4a	552	#endif
sPymbed	0:1387ff3eed4a	553
sPymbed	0:1387ff3eed4a	554	XMEMCPY(out, desBuffOut, size);
sPymbed	0:1387ff3eed4a	555
sPymbed	0:1387ff3eed4a	556	if ((desc==SEC_DESC_DES3_CBC_ENCRYPT)\|\|(desc==SEC_DESC_DES_CBC_ENCRYPT)) {
sPymbed	0:1387ff3eed4a	557	XMEMCPY((void)iv, (void)&(out[size-secDesc->length2]), secDesc->length2);
sPymbed	0:1387ff3eed4a	558	} else {
sPymbed	0:1387ff3eed4a	559	XMEMCPY((void)iv, (void)&(in[size-secDesc->length2]), secDesc->length2);
sPymbed	0:1387ff3eed4a	560	}
sPymbed	0:1387ff3eed4a	561
sPymbed	0:1387ff3eed4a	562	in += size;
sPymbed	0:1387ff3eed4a	563	out += size;
sPymbed	0:1387ff3eed4a	564
sPymbed	0:1387ff3eed4a	565	}
sPymbed	0:1387ff3eed4a	566	wc_UnLockMutex(&Mutex_DesSEC) ;
sPymbed	0:1387ff3eed4a	567
sPymbed	0:1387ff3eed4a	568	}
sPymbed	0:1387ff3eed4a	569
sPymbed	0:1387ff3eed4a	570
sPymbed	0:1387ff3eed4a	571	int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	572	{
sPymbed	0:1387ff3eed4a	573	wc_Des_Cbc(out, in, sz, (byte )des->key, (byte )des->reg, SEC_DESC_DES_CBC_ENCRYPT);
sPymbed	0:1387ff3eed4a	574	return 0;
sPymbed	0:1387ff3eed4a	575	}
sPymbed	0:1387ff3eed4a	576
sPymbed	0:1387ff3eed4a	577	int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	578	{
sPymbed	0:1387ff3eed4a	579	wc_Des_Cbc(out, in, sz, (byte )des->key, (byte )des->reg, SEC_DESC_DES_CBC_DECRYPT);
sPymbed	0:1387ff3eed4a	580	return 0;
sPymbed	0:1387ff3eed4a	581	}
sPymbed	0:1387ff3eed4a	582
sPymbed	0:1387ff3eed4a	583	int wc_Des3_CbcEncrypt(Des3* des3, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	584	{
sPymbed	0:1387ff3eed4a	585	wc_Des_Cbc(out, in, sz, (byte )des3->key, (byte )des3->reg, SEC_DESC_DES3_CBC_ENCRYPT);
sPymbed	0:1387ff3eed4a	586	return 0;
sPymbed	0:1387ff3eed4a	587	}
sPymbed	0:1387ff3eed4a	588
sPymbed	0:1387ff3eed4a	589
sPymbed	0:1387ff3eed4a	590	int wc_Des3_CbcDecrypt(Des3* des3, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	591	{
sPymbed	0:1387ff3eed4a	592	wc_Des_Cbc(out, in, sz, (byte )des3->key, (byte )des3->reg, SEC_DESC_DES3_CBC_DECRYPT);
sPymbed	0:1387ff3eed4a	593	return 0;
sPymbed	0:1387ff3eed4a	594	}
sPymbed	0:1387ff3eed4a	595
sPymbed	0:1387ff3eed4a	596	static void setParity(byte *buf, int len)
sPymbed	0:1387ff3eed4a	597	{
sPymbed	0:1387ff3eed4a	598	int i, j;
sPymbed	0:1387ff3eed4a	599	byte v;
sPymbed	0:1387ff3eed4a	600	int bits;
sPymbed	0:1387ff3eed4a	601
sPymbed	0:1387ff3eed4a	602	for (i=0; i<len; i++) {
sPymbed	0:1387ff3eed4a	603	v = buf[i] >> 1;
sPymbed	0:1387ff3eed4a	604	buf[i] = v << 1;
sPymbed	0:1387ff3eed4a	605	bits = 0;
sPymbed	0:1387ff3eed4a	606	for (j=0; j<7; j++) {
sPymbed	0:1387ff3eed4a	607	bits += (v&0x1);
sPymbed	0:1387ff3eed4a	608	v = v >> 1;
sPymbed	0:1387ff3eed4a	609	}
sPymbed	0:1387ff3eed4a	610	buf[i] \|= (1 - (bits&0x1));
sPymbed	0:1387ff3eed4a	611	}
sPymbed	0:1387ff3eed4a	612
sPymbed	0:1387ff3eed4a	613	}
sPymbed	0:1387ff3eed4a	614
sPymbed	0:1387ff3eed4a	615	int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
sPymbed	0:1387ff3eed4a	616	{
sPymbed	0:1387ff3eed4a	617	if(desBuffIn == NULL) {
sPymbed	0:1387ff3eed4a	618	#if defined (HAVE_THREADX)
sPymbed	0:1387ff3eed4a	619	int s1, s2, s3, s4, s5;
sPymbed	0:1387ff3eed4a	620	s5 = tx_byte_allocate(&mp_ncached,(void *)&secDesc,
sPymbed	0:1387ff3eed4a	621	sizeof(SECdescriptorType), TX_NO_WAIT);
sPymbed	0:1387ff3eed4a	622	s1 = tx_byte_allocate(&mp_ncached,(void *)&desBuffIn, DES_BUFFER_SIZE, TX_NO_WAIT);
sPymbed	0:1387ff3eed4a	623	s2 = tx_byte_allocate(&mp_ncached,(void *)&desBuffOut, DES_BUFFER_SIZE, TX_NO_WAIT);
sPymbed	0:1387ff3eed4a	624	/* Don't know des or des3 to be used. Allocate larger buffers */
sPymbed	0:1387ff3eed4a	625	s3 = tx_byte_allocate(&mp_ncached,(void *)&secKey, DES3_KEYLEN,TX_NO_WAIT);
sPymbed	0:1387ff3eed4a	626	s4 = tx_byte_allocate(&mp_ncached,(void *)&secIV, DES3_IVLEN, TX_NO_WAIT);
sPymbed	0:1387ff3eed4a	627	#else
sPymbed	0:1387ff3eed4a	628	#warning "Allocate non-Cache buffers"
sPymbed	0:1387ff3eed4a	629	#endif
sPymbed	0:1387ff3eed4a	630
sPymbed	0:1387ff3eed4a	631	InitMutex(&Mutex_DesSEC);
sPymbed	0:1387ff3eed4a	632	}
sPymbed	0:1387ff3eed4a	633
sPymbed	0:1387ff3eed4a	634	XMEMCPY(des->key, key, DES_KEYLEN);
sPymbed	0:1387ff3eed4a	635	setParity((byte *)des->key, DES_KEYLEN);
sPymbed	0:1387ff3eed4a	636
sPymbed	0:1387ff3eed4a	637	if (iv) {
sPymbed	0:1387ff3eed4a	638	XMEMCPY(des->reg, iv, DES_IVLEN);
sPymbed	0:1387ff3eed4a	639	} else {
sPymbed	0:1387ff3eed4a	640	XMEMSET(des->reg, 0x0, DES_IVLEN);
sPymbed	0:1387ff3eed4a	641	}
sPymbed	0:1387ff3eed4a	642	return 0;
sPymbed	0:1387ff3eed4a	643	}
sPymbed	0:1387ff3eed4a	644
sPymbed	0:1387ff3eed4a	645	int wc_Des3_SetKey(Des3* des3, const byte* key, const byte* iv, int dir)
sPymbed	0:1387ff3eed4a	646	{
sPymbed	0:1387ff3eed4a	647
sPymbed	0:1387ff3eed4a	648	if(desBuffIn == NULL) {
sPymbed	0:1387ff3eed4a	649	#if defined (HAVE_THREADX)
sPymbed	0:1387ff3eed4a	650	int s1, s2, s3, s4, s5;
sPymbed	0:1387ff3eed4a	651	s5 = tx_byte_allocate(&mp_ncached,(void *)&secDesc,
sPymbed	0:1387ff3eed4a	652	sizeof(SECdescriptorType), TX_NO_WAIT);
sPymbed	0:1387ff3eed4a	653	s1 = tx_byte_allocate(&mp_ncached,(void *)&desBuffIn, DES_BUFFER_SIZE, TX_NO_WAIT);
sPymbed	0:1387ff3eed4a	654	s2 = tx_byte_allocate(&mp_ncached,(void *)&desBuffOut, DES_BUFFER_SIZE, TX_NO_WAIT);
sPymbed	0:1387ff3eed4a	655	s3 = tx_byte_allocate(&mp_ncached,(void *)&secKey, DES3_KEYLEN,TX_NO_WAIT);
sPymbed	0:1387ff3eed4a	656	s4 = tx_byte_allocate(&mp_ncached,(void *)&secIV, DES3_IVLEN, TX_NO_WAIT);
sPymbed	0:1387ff3eed4a	657	#else
sPymbed	0:1387ff3eed4a	658	#warning "Allocate non-Cache buffers"
sPymbed	0:1387ff3eed4a	659	#endif
sPymbed	0:1387ff3eed4a	660
sPymbed	0:1387ff3eed4a	661	InitMutex(&Mutex_DesSEC);
sPymbed	0:1387ff3eed4a	662	}
sPymbed	0:1387ff3eed4a	663
sPymbed	0:1387ff3eed4a	664	XMEMCPY(des3->key[0], key, DES3_KEYLEN);
sPymbed	0:1387ff3eed4a	665	setParity((byte *)des3->key[0], DES3_KEYLEN);
sPymbed	0:1387ff3eed4a	666
sPymbed	0:1387ff3eed4a	667	if (iv) {
sPymbed	0:1387ff3eed4a	668	XMEMCPY(des3->reg, iv, DES3_IVLEN);
sPymbed	0:1387ff3eed4a	669	} else {
sPymbed	0:1387ff3eed4a	670	XMEMSET(des3->reg, 0x0, DES3_IVLEN);
sPymbed	0:1387ff3eed4a	671	}
sPymbed	0:1387ff3eed4a	672	return 0;
sPymbed	0:1387ff3eed4a	673
sPymbed	0:1387ff3eed4a	674	}
sPymbed	0:1387ff3eed4a	675	#elif defined(FREESCALE_LTC_DES)
sPymbed	0:1387ff3eed4a	676
sPymbed	0:1387ff3eed4a	677	#include "fsl_ltc.h"
sPymbed	0:1387ff3eed4a	678	int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
sPymbed	0:1387ff3eed4a	679	{
sPymbed	0:1387ff3eed4a	680	byte* dkey = (byte*)des->key;
sPymbed	0:1387ff3eed4a	681
sPymbed	0:1387ff3eed4a	682	XMEMCPY(dkey, key, 8);
sPymbed	0:1387ff3eed4a	683
sPymbed	0:1387ff3eed4a	684	wc_Des_SetIV(des, iv);
sPymbed	0:1387ff3eed4a	685
sPymbed	0:1387ff3eed4a	686	return 0;
sPymbed	0:1387ff3eed4a	687	}
sPymbed	0:1387ff3eed4a	688
sPymbed	0:1387ff3eed4a	689	int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
sPymbed	0:1387ff3eed4a	690	{
sPymbed	0:1387ff3eed4a	691	int ret = 0;
sPymbed	0:1387ff3eed4a	692	byte* dkey1 = (byte*)des->key[0];
sPymbed	0:1387ff3eed4a	693	byte* dkey2 = (byte*)des->key[1];
sPymbed	0:1387ff3eed4a	694	byte* dkey3 = (byte*)des->key[2];
sPymbed	0:1387ff3eed4a	695
sPymbed	0:1387ff3eed4a	696	XMEMCPY(dkey1, key, 8); /* set key 1 */
sPymbed	0:1387ff3eed4a	697	XMEMCPY(dkey2, key + 8, 8); /* set key 2 */
sPymbed	0:1387ff3eed4a	698	XMEMCPY(dkey3, key + 16, 8); /* set key 3 */
sPymbed	0:1387ff3eed4a	699
sPymbed	0:1387ff3eed4a	700	ret = wc_Des3_SetIV(des, iv);
sPymbed	0:1387ff3eed4a	701	if (ret != 0)
sPymbed	0:1387ff3eed4a	702	return ret;
sPymbed	0:1387ff3eed4a	703
sPymbed	0:1387ff3eed4a	704	return ret;
sPymbed	0:1387ff3eed4a	705	}
sPymbed	0:1387ff3eed4a	706
sPymbed	0:1387ff3eed4a	707	int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	708	{
sPymbed	0:1387ff3eed4a	709	status_t status;
sPymbed	0:1387ff3eed4a	710	status = LTC_DES_EncryptCbc(LTC_BASE, in, out, sz, (byte)des->reg, (byte)des->key);
sPymbed	0:1387ff3eed4a	711	if (status == kStatus_Success)
sPymbed	0:1387ff3eed4a	712	return 0;
sPymbed	0:1387ff3eed4a	713	else
sPymbed	0:1387ff3eed4a	714	return -1;
sPymbed	0:1387ff3eed4a	715	}
sPymbed	0:1387ff3eed4a	716
sPymbed	0:1387ff3eed4a	717	int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	718	{
sPymbed	0:1387ff3eed4a	719	status_t status;
sPymbed	0:1387ff3eed4a	720	status = LTC_DES_DecryptCbc(LTC_BASE, in, out, sz, (byte)des->reg, (byte)des->key);
sPymbed	0:1387ff3eed4a	721	if (status == kStatus_Success)
sPymbed	0:1387ff3eed4a	722	return 0;
sPymbed	0:1387ff3eed4a	723	else
sPymbed	0:1387ff3eed4a	724	return -1;
sPymbed	0:1387ff3eed4a	725	}
sPymbed	0:1387ff3eed4a	726
sPymbed	0:1387ff3eed4a	727	int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	728	{
sPymbed	0:1387ff3eed4a	729	status_t status;
sPymbed	0:1387ff3eed4a	730	status = LTC_DES3_EncryptCbc(LTC_BASE,
sPymbed	0:1387ff3eed4a	731	in,
sPymbed	0:1387ff3eed4a	732	out,
sPymbed	0:1387ff3eed4a	733	sz,
sPymbed	0:1387ff3eed4a	734	(byte*)des->reg,
sPymbed	0:1387ff3eed4a	735	(byte*)des->key[0],
sPymbed	0:1387ff3eed4a	736	(byte*)des->key[1],
sPymbed	0:1387ff3eed4a	737	(byte*)des->key[2]);
sPymbed	0:1387ff3eed4a	738	if (status == kStatus_Success)
sPymbed	0:1387ff3eed4a	739	return 0;
sPymbed	0:1387ff3eed4a	740	else
sPymbed	0:1387ff3eed4a	741	return -1;
sPymbed	0:1387ff3eed4a	742	}
sPymbed	0:1387ff3eed4a	743
sPymbed	0:1387ff3eed4a	744	int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	745	{
sPymbed	0:1387ff3eed4a	746	status_t status;
sPymbed	0:1387ff3eed4a	747	status = LTC_DES3_DecryptCbc(LTC_BASE,
sPymbed	0:1387ff3eed4a	748	in,
sPymbed	0:1387ff3eed4a	749	out,
sPymbed	0:1387ff3eed4a	750	sz,
sPymbed	0:1387ff3eed4a	751	(byte*)des->reg,
sPymbed	0:1387ff3eed4a	752	(byte*)des->key[0],
sPymbed	0:1387ff3eed4a	753	(byte*)des->key[1],
sPymbed	0:1387ff3eed4a	754	(byte*)des->key[2]);
sPymbed	0:1387ff3eed4a	755	if (status == kStatus_Success)
sPymbed	0:1387ff3eed4a	756	return 0;
sPymbed	0:1387ff3eed4a	757	else
sPymbed	0:1387ff3eed4a	758	return -1;
sPymbed	0:1387ff3eed4a	759
sPymbed	0:1387ff3eed4a	760	}
sPymbed	0:1387ff3eed4a	761
sPymbed	0:1387ff3eed4a	762	#elif defined(FREESCALE_MMCAU)
sPymbed	0:1387ff3eed4a	763	/*
sPymbed	0:1387ff3eed4a	764	* Freescale mmCAU hardware DES/3DES support through the CAU/mmCAU library.
sPymbed	0:1387ff3eed4a	765	* Documentation located in ColdFire/ColdFire+ CAU and Kinetis mmCAU
sPymbed	0:1387ff3eed4a	766	* Software Library User Guide (See note in README).
sPymbed	0:1387ff3eed4a	767	*/
sPymbed	0:1387ff3eed4a	768	#ifdef FREESCALE_MMCAU_CLASSIC
sPymbed	0:1387ff3eed4a	769	#include "cau_api.h"
sPymbed	0:1387ff3eed4a	770	#else
sPymbed	0:1387ff3eed4a	771	#include "fsl_mmcau.h"
sPymbed	0:1387ff3eed4a	772	#endif
sPymbed	0:1387ff3eed4a	773
sPymbed	0:1387ff3eed4a	774	const unsigned char parityLookup[128] = {
sPymbed	0:1387ff3eed4a	775	1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,
sPymbed	0:1387ff3eed4a	776	0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,
sPymbed	0:1387ff3eed4a	777	0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0,1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,
sPymbed	0:1387ff3eed4a	778	1,0,0,1,0,1,1,0,0,1,1,0,1,0,0,1,0,1,1,0,1,0,0,1,1,0,0,1,0,1,1,0
sPymbed	0:1387ff3eed4a	779	};
sPymbed	0:1387ff3eed4a	780
sPymbed	0:1387ff3eed4a	781	int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
sPymbed	0:1387ff3eed4a	782	{
sPymbed	0:1387ff3eed4a	783	int i = 0;
sPymbed	0:1387ff3eed4a	784	byte* dkey = (byte*)des->key;
sPymbed	0:1387ff3eed4a	785
sPymbed	0:1387ff3eed4a	786	XMEMCPY(dkey, key, 8);
sPymbed	0:1387ff3eed4a	787
sPymbed	0:1387ff3eed4a	788	wc_Des_SetIV(des, iv);
sPymbed	0:1387ff3eed4a	789
sPymbed	0:1387ff3eed4a	790	/* fix key parity, if needed */
sPymbed	0:1387ff3eed4a	791	for (i = 0; i < 8; i++) {
sPymbed	0:1387ff3eed4a	792	dkey[i] = ((dkey[i] & 0xFE) \| parityLookup[dkey[i] >> 1]);
sPymbed	0:1387ff3eed4a	793	}
sPymbed	0:1387ff3eed4a	794
sPymbed	0:1387ff3eed4a	795	return 0;
sPymbed	0:1387ff3eed4a	796	}
sPymbed	0:1387ff3eed4a	797
sPymbed	0:1387ff3eed4a	798	int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
sPymbed	0:1387ff3eed4a	799	{
sPymbed	0:1387ff3eed4a	800	int i = 0, ret = 0;
sPymbed	0:1387ff3eed4a	801	byte* dkey1 = (byte*)des->key[0];
sPymbed	0:1387ff3eed4a	802	byte* dkey2 = (byte*)des->key[1];
sPymbed	0:1387ff3eed4a	803	byte* dkey3 = (byte*)des->key[2];
sPymbed	0:1387ff3eed4a	804
sPymbed	0:1387ff3eed4a	805	XMEMCPY(dkey1, key, 8); /* set key 1 */
sPymbed	0:1387ff3eed4a	806	XMEMCPY(dkey2, key + 8, 8); /* set key 2 */
sPymbed	0:1387ff3eed4a	807	XMEMCPY(dkey3, key + 16, 8); /* set key 3 */
sPymbed	0:1387ff3eed4a	808
sPymbed	0:1387ff3eed4a	809	ret = wc_Des3_SetIV(des, iv);
sPymbed	0:1387ff3eed4a	810	if (ret != 0)
sPymbed	0:1387ff3eed4a	811	return ret;
sPymbed	0:1387ff3eed4a	812
sPymbed	0:1387ff3eed4a	813	/* fix key parity if needed */
sPymbed	0:1387ff3eed4a	814	for (i = 0; i < 8; i++)
sPymbed	0:1387ff3eed4a	815	dkey1[i] = ((dkey1[i] & 0xFE) \| parityLookup[dkey1[i] >> 1]);
sPymbed	0:1387ff3eed4a	816
sPymbed	0:1387ff3eed4a	817	for (i = 0; i < 8; i++)
sPymbed	0:1387ff3eed4a	818	dkey2[i] = ((dkey2[i] & 0xFE) \| parityLookup[dkey2[i] >> 1]);
sPymbed	0:1387ff3eed4a	819
sPymbed	0:1387ff3eed4a	820	for (i = 0; i < 8; i++)
sPymbed	0:1387ff3eed4a	821	dkey3[i] = ((dkey3[i] & 0xFE) \| parityLookup[dkey3[i] >> 1]);
sPymbed	0:1387ff3eed4a	822
sPymbed	0:1387ff3eed4a	823	return ret;
sPymbed	0:1387ff3eed4a	824	}
sPymbed	0:1387ff3eed4a	825
sPymbed	0:1387ff3eed4a	826	int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	827	{
sPymbed	0:1387ff3eed4a	828	int i;
sPymbed	0:1387ff3eed4a	829	int offset = 0;
sPymbed	0:1387ff3eed4a	830	int len = sz;
sPymbed	0:1387ff3eed4a	831	int ret = 0;
sPymbed	0:1387ff3eed4a	832	byte *iv;
sPymbed	0:1387ff3eed4a	833	byte temp_block[DES_BLOCK_SIZE];
sPymbed	0:1387ff3eed4a	834
sPymbed	0:1387ff3eed4a	835	iv = (byte*)des->reg;
sPymbed	0:1387ff3eed4a	836
sPymbed	0:1387ff3eed4a	837	#ifdef FREESCALE_MMCAU_CLASSIC
sPymbed	0:1387ff3eed4a	838	if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
sPymbed	0:1387ff3eed4a	839	WOLFSSL_MSG("Bad cau_des_encrypt alignment");
sPymbed	0:1387ff3eed4a	840	return BAD_ALIGN_E;
sPymbed	0:1387ff3eed4a	841	}
sPymbed	0:1387ff3eed4a	842	#endif
sPymbed	0:1387ff3eed4a	843
sPymbed	0:1387ff3eed4a	844	while (len > 0)
sPymbed	0:1387ff3eed4a	845	{
sPymbed	0:1387ff3eed4a	846	XMEMCPY(temp_block, in + offset, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	847
sPymbed	0:1387ff3eed4a	848	/* XOR block with IV for CBC */
sPymbed	0:1387ff3eed4a	849	for (i = 0; i < DES_BLOCK_SIZE; i++)
sPymbed	0:1387ff3eed4a	850	temp_block[i] ^= iv[i];
sPymbed	0:1387ff3eed4a	851
sPymbed	0:1387ff3eed4a	852	ret = wolfSSL_CryptHwMutexLock();
sPymbed	0:1387ff3eed4a	853	if(ret != 0) {
sPymbed	0:1387ff3eed4a	854	return ret;
sPymbed	0:1387ff3eed4a	855	}
sPymbed	0:1387ff3eed4a	856	#ifdef FREESCALE_MMCAU_CLASSIC
sPymbed	0:1387ff3eed4a	857	cau_des_encrypt(temp_block, (byte*)des->key, out + offset);
sPymbed	0:1387ff3eed4a	858	#else
sPymbed	0:1387ff3eed4a	859	MMCAU_DES_EncryptEcb(temp_block, (byte*)des->key, out + offset);
sPymbed	0:1387ff3eed4a	860	#endif
sPymbed	0:1387ff3eed4a	861	wolfSSL_CryptHwMutexUnLock();
sPymbed	0:1387ff3eed4a	862
sPymbed	0:1387ff3eed4a	863	len -= DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	864	offset += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	865
sPymbed	0:1387ff3eed4a	866	/* store IV for next block */
sPymbed	0:1387ff3eed4a	867	XMEMCPY(iv, out + offset - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	868	}
sPymbed	0:1387ff3eed4a	869
sPymbed	0:1387ff3eed4a	870	return ret;
sPymbed	0:1387ff3eed4a	871	}
sPymbed	0:1387ff3eed4a	872
sPymbed	0:1387ff3eed4a	873	int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	874	{
sPymbed	0:1387ff3eed4a	875	int i;
sPymbed	0:1387ff3eed4a	876	int offset = 0;
sPymbed	0:1387ff3eed4a	877	int len = sz;
sPymbed	0:1387ff3eed4a	878	int ret = 0;
sPymbed	0:1387ff3eed4a	879	byte* iv;
sPymbed	0:1387ff3eed4a	880	byte temp_block[DES_BLOCK_SIZE];
sPymbed	0:1387ff3eed4a	881
sPymbed	0:1387ff3eed4a	882	iv = (byte*)des->reg;
sPymbed	0:1387ff3eed4a	883
sPymbed	0:1387ff3eed4a	884	#ifdef FREESCALE_MMCAU_CLASSIC
sPymbed	0:1387ff3eed4a	885	if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
sPymbed	0:1387ff3eed4a	886	WOLFSSL_MSG("Bad cau_des_decrypt alignment");
sPymbed	0:1387ff3eed4a	887	return BAD_ALIGN_E;
sPymbed	0:1387ff3eed4a	888	}
sPymbed	0:1387ff3eed4a	889	#endif
sPymbed	0:1387ff3eed4a	890
sPymbed	0:1387ff3eed4a	891	while (len > 0)
sPymbed	0:1387ff3eed4a	892	{
sPymbed	0:1387ff3eed4a	893	XMEMCPY(temp_block, in + offset, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	894
sPymbed	0:1387ff3eed4a	895	ret = wolfSSL_CryptHwMutexLock();
sPymbed	0:1387ff3eed4a	896	if(ret != 0) {
sPymbed	0:1387ff3eed4a	897	return ret;
sPymbed	0:1387ff3eed4a	898	}
sPymbed	0:1387ff3eed4a	899
sPymbed	0:1387ff3eed4a	900	#ifdef FREESCALE_MMCAU_CLASSIC
sPymbed	0:1387ff3eed4a	901	cau_des_decrypt(in + offset, (byte*)des->key, out + offset);
sPymbed	0:1387ff3eed4a	902	#else
sPymbed	0:1387ff3eed4a	903	MMCAU_DES_DecryptEcb(in + offset, (byte*)des->key, out + offset);
sPymbed	0:1387ff3eed4a	904	#endif
sPymbed	0:1387ff3eed4a	905	wolfSSL_CryptHwMutexUnLock();
sPymbed	0:1387ff3eed4a	906
sPymbed	0:1387ff3eed4a	907	/* XOR block with IV for CBC */
sPymbed	0:1387ff3eed4a	908	for (i = 0; i < DES_BLOCK_SIZE; i++)
sPymbed	0:1387ff3eed4a	909	(out + offset)[i] ^= iv[i];
sPymbed	0:1387ff3eed4a	910
sPymbed	0:1387ff3eed4a	911	/* store IV for next block */
sPymbed	0:1387ff3eed4a	912	XMEMCPY(iv, temp_block, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	913
sPymbed	0:1387ff3eed4a	914	len -= DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	915	offset += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	916	}
sPymbed	0:1387ff3eed4a	917
sPymbed	0:1387ff3eed4a	918	return ret;
sPymbed	0:1387ff3eed4a	919	}
sPymbed	0:1387ff3eed4a	920
sPymbed	0:1387ff3eed4a	921	int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	922	{
sPymbed	0:1387ff3eed4a	923	int i;
sPymbed	0:1387ff3eed4a	924	int offset = 0;
sPymbed	0:1387ff3eed4a	925	int len = sz;
sPymbed	0:1387ff3eed4a	926	int ret = 0;
sPymbed	0:1387ff3eed4a	927
sPymbed	0:1387ff3eed4a	928	byte *iv;
sPymbed	0:1387ff3eed4a	929	byte temp_block[DES_BLOCK_SIZE];
sPymbed	0:1387ff3eed4a	930
sPymbed	0:1387ff3eed4a	931	iv = (byte*)des->reg;
sPymbed	0:1387ff3eed4a	932
sPymbed	0:1387ff3eed4a	933	#ifdef FREESCALE_MMCAU_CLASSIC
sPymbed	0:1387ff3eed4a	934	if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
sPymbed	0:1387ff3eed4a	935	WOLFSSL_MSG("Bad 3ede cau_des_encrypt alignment");
sPymbed	0:1387ff3eed4a	936	return BAD_ALIGN_E;
sPymbed	0:1387ff3eed4a	937	}
sPymbed	0:1387ff3eed4a	938	#endif
sPymbed	0:1387ff3eed4a	939
sPymbed	0:1387ff3eed4a	940	while (len > 0)
sPymbed	0:1387ff3eed4a	941	{
sPymbed	0:1387ff3eed4a	942	XMEMCPY(temp_block, in + offset, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	943
sPymbed	0:1387ff3eed4a	944	/* XOR block with IV for CBC */
sPymbed	0:1387ff3eed4a	945	for (i = 0; i < DES_BLOCK_SIZE; i++)
sPymbed	0:1387ff3eed4a	946	temp_block[i] ^= iv[i];
sPymbed	0:1387ff3eed4a	947
sPymbed	0:1387ff3eed4a	948	ret = wolfSSL_CryptHwMutexLock();
sPymbed	0:1387ff3eed4a	949	if(ret != 0) {
sPymbed	0:1387ff3eed4a	950	return ret;
sPymbed	0:1387ff3eed4a	951	}
sPymbed	0:1387ff3eed4a	952	#ifdef FREESCALE_MMCAU_CLASSIC
sPymbed	0:1387ff3eed4a	953	cau_des_encrypt(temp_block, (byte*)des->key[0], out + offset);
sPymbed	0:1387ff3eed4a	954	cau_des_decrypt(out + offset, (byte*)des->key[1], out + offset);
sPymbed	0:1387ff3eed4a	955	cau_des_encrypt(out + offset, (byte*)des->key[2], out + offset);
sPymbed	0:1387ff3eed4a	956	#else
sPymbed	0:1387ff3eed4a	957	MMCAU_DES_EncryptEcb(temp_block , (byte*)des->key[0], out + offset);
sPymbed	0:1387ff3eed4a	958	MMCAU_DES_DecryptEcb(out + offset, (byte*)des->key[1], out + offset);
sPymbed	0:1387ff3eed4a	959	MMCAU_DES_EncryptEcb(out + offset, (byte*)des->key[2], out + offset);
sPymbed	0:1387ff3eed4a	960	#endif
sPymbed	0:1387ff3eed4a	961	wolfSSL_CryptHwMutexUnLock();
sPymbed	0:1387ff3eed4a	962
sPymbed	0:1387ff3eed4a	963	len -= DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	964	offset += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	965
sPymbed	0:1387ff3eed4a	966	/* store IV for next block */
sPymbed	0:1387ff3eed4a	967	XMEMCPY(iv, out + offset - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	968	}
sPymbed	0:1387ff3eed4a	969
sPymbed	0:1387ff3eed4a	970	return ret;
sPymbed	0:1387ff3eed4a	971	}
sPymbed	0:1387ff3eed4a	972
sPymbed	0:1387ff3eed4a	973	int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	974	{
sPymbed	0:1387ff3eed4a	975	int i;
sPymbed	0:1387ff3eed4a	976	int offset = 0;
sPymbed	0:1387ff3eed4a	977	int len = sz;
sPymbed	0:1387ff3eed4a	978	int ret = 0;
sPymbed	0:1387ff3eed4a	979
sPymbed	0:1387ff3eed4a	980	byte* iv;
sPymbed	0:1387ff3eed4a	981	byte temp_block[DES_BLOCK_SIZE];
sPymbed	0:1387ff3eed4a	982
sPymbed	0:1387ff3eed4a	983	iv = (byte*)des->reg;
sPymbed	0:1387ff3eed4a	984
sPymbed	0:1387ff3eed4a	985	#ifdef FREESCALE_MMCAU_CLASSIC
sPymbed	0:1387ff3eed4a	986	if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
sPymbed	0:1387ff3eed4a	987	WOLFSSL_MSG("Bad 3ede cau_des_decrypt alignment");
sPymbed	0:1387ff3eed4a	988	return BAD_ALIGN_E;
sPymbed	0:1387ff3eed4a	989	}
sPymbed	0:1387ff3eed4a	990	#endif
sPymbed	0:1387ff3eed4a	991
sPymbed	0:1387ff3eed4a	992	while (len > 0)
sPymbed	0:1387ff3eed4a	993	{
sPymbed	0:1387ff3eed4a	994	XMEMCPY(temp_block, in + offset, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	995
sPymbed	0:1387ff3eed4a	996	ret = wolfSSL_CryptHwMutexLock();
sPymbed	0:1387ff3eed4a	997	if(ret != 0) {
sPymbed	0:1387ff3eed4a	998	return ret;
sPymbed	0:1387ff3eed4a	999	}
sPymbed	0:1387ff3eed4a	1000	#ifdef FREESCALE_MMCAU_CLASSIC
sPymbed	0:1387ff3eed4a	1001	cau_des_decrypt(in + offset, (byte*)des->key[2], out + offset);
sPymbed	0:1387ff3eed4a	1002	cau_des_encrypt(out + offset, (byte*)des->key[1], out + offset);
sPymbed	0:1387ff3eed4a	1003	cau_des_decrypt(out + offset, (byte*)des->key[0], out + offset);
sPymbed	0:1387ff3eed4a	1004	#else
sPymbed	0:1387ff3eed4a	1005	MMCAU_DES_DecryptEcb(in + offset , (byte*)des->key[2], out + offset);
sPymbed	0:1387ff3eed4a	1006	MMCAU_DES_EncryptEcb(out + offset, (byte*)des->key[1], out + offset);
sPymbed	0:1387ff3eed4a	1007	MMCAU_DES_DecryptEcb(out + offset, (byte*)des->key[0], out + offset);
sPymbed	0:1387ff3eed4a	1008	#endif
sPymbed	0:1387ff3eed4a	1009	wolfSSL_CryptHwMutexUnLock();
sPymbed	0:1387ff3eed4a	1010
sPymbed	0:1387ff3eed4a	1011	/* XOR block with IV for CBC */
sPymbed	0:1387ff3eed4a	1012	for (i = 0; i < DES_BLOCK_SIZE; i++)
sPymbed	0:1387ff3eed4a	1013	(out + offset)[i] ^= iv[i];
sPymbed	0:1387ff3eed4a	1014
sPymbed	0:1387ff3eed4a	1015	/* store IV for next block */
sPymbed	0:1387ff3eed4a	1016	XMEMCPY(iv, temp_block, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	1017
sPymbed	0:1387ff3eed4a	1018	len -= DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1019	offset += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1020	}
sPymbed	0:1387ff3eed4a	1021
sPymbed	0:1387ff3eed4a	1022	return ret;
sPymbed	0:1387ff3eed4a	1023	}
sPymbed	0:1387ff3eed4a	1024
sPymbed	0:1387ff3eed4a	1025
sPymbed	0:1387ff3eed4a	1026	#elif defined(WOLFSSL_PIC32MZ_CRYPT)
sPymbed	0:1387ff3eed4a	1027
sPymbed	0:1387ff3eed4a	1028	/* PIC32MZ DES hardware requires size multiple of block size */
sPymbed	0:1387ff3eed4a	1029	#include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
sPymbed	0:1387ff3eed4a	1030
sPymbed	0:1387ff3eed4a	1031	int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
sPymbed	0:1387ff3eed4a	1032	{
sPymbed	0:1387ff3eed4a	1033	if (des == NULL \|\| key == NULL \|\| iv == NULL)
sPymbed	0:1387ff3eed4a	1034	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	1035
sPymbed	0:1387ff3eed4a	1036	XMEMCPY(des->key, key, DES_KEYLEN);
sPymbed	0:1387ff3eed4a	1037	XMEMCPY(des->reg, iv, DES_IVLEN);
sPymbed	0:1387ff3eed4a	1038
sPymbed	0:1387ff3eed4a	1039	return 0;
sPymbed	0:1387ff3eed4a	1040	}
sPymbed	0:1387ff3eed4a	1041
sPymbed	0:1387ff3eed4a	1042	int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
sPymbed	0:1387ff3eed4a	1043	{
sPymbed	0:1387ff3eed4a	1044	if (des == NULL \|\| key == NULL \|\| iv == NULL)
sPymbed	0:1387ff3eed4a	1045	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	1046
sPymbed	0:1387ff3eed4a	1047	XMEMCPY(des->key[0], key, DES3_KEYLEN);
sPymbed	0:1387ff3eed4a	1048	XMEMCPY(des->reg, iv, DES3_IVLEN);
sPymbed	0:1387ff3eed4a	1049
sPymbed	0:1387ff3eed4a	1050	return 0;
sPymbed	0:1387ff3eed4a	1051	}
sPymbed	0:1387ff3eed4a	1052
sPymbed	0:1387ff3eed4a	1053	int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	1054	{
sPymbed	0:1387ff3eed4a	1055	word32 blocks = sz / DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1056
sPymbed	0:1387ff3eed4a	1057	if (des == NULL \|\| out == NULL \|\| in == NULL)
sPymbed	0:1387ff3eed4a	1058	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	1059
sPymbed	0:1387ff3eed4a	1060	return wc_Pic32DesCrypt(des->key, DES_KEYLEN, des->reg, DES_IVLEN,
sPymbed	0:1387ff3eed4a	1061	out, in, (blocks * DES_BLOCK_SIZE),
sPymbed	0:1387ff3eed4a	1062	PIC32_ENCRYPTION, PIC32_ALGO_DES, PIC32_CRYPTOALGO_CBC);
sPymbed	0:1387ff3eed4a	1063	}
sPymbed	0:1387ff3eed4a	1064
sPymbed	0:1387ff3eed4a	1065	int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	1066	{
sPymbed	0:1387ff3eed4a	1067	word32 blocks = sz / DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1068
sPymbed	0:1387ff3eed4a	1069	if (des == NULL \|\| out == NULL \|\| in == NULL)
sPymbed	0:1387ff3eed4a	1070	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	1071
sPymbed	0:1387ff3eed4a	1072	return wc_Pic32DesCrypt(des->key, DES_KEYLEN, des->reg, DES_IVLEN,
sPymbed	0:1387ff3eed4a	1073	out, in, (blocks * DES_BLOCK_SIZE),
sPymbed	0:1387ff3eed4a	1074	PIC32_DECRYPTION, PIC32_ALGO_DES, PIC32_CRYPTOALGO_CBC);
sPymbed	0:1387ff3eed4a	1075	}
sPymbed	0:1387ff3eed4a	1076
sPymbed	0:1387ff3eed4a	1077	int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	1078	{
sPymbed	0:1387ff3eed4a	1079	word32 blocks = sz / DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1080
sPymbed	0:1387ff3eed4a	1081	if (des == NULL \|\| out == NULL \|\| in == NULL)
sPymbed	0:1387ff3eed4a	1082	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	1083
sPymbed	0:1387ff3eed4a	1084	return wc_Pic32DesCrypt(des->key[0], DES3_KEYLEN, des->reg, DES3_IVLEN,
sPymbed	0:1387ff3eed4a	1085	out, in, (blocks * DES_BLOCK_SIZE),
sPymbed	0:1387ff3eed4a	1086	PIC32_ENCRYPTION, PIC32_ALGO_TDES, PIC32_CRYPTOALGO_TCBC);
sPymbed	0:1387ff3eed4a	1087	}
sPymbed	0:1387ff3eed4a	1088
sPymbed	0:1387ff3eed4a	1089	int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	1090	{
sPymbed	0:1387ff3eed4a	1091	word32 blocks = sz / DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1092
sPymbed	0:1387ff3eed4a	1093	if (des == NULL \|\| out == NULL \|\| in == NULL)
sPymbed	0:1387ff3eed4a	1094	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	1095
sPymbed	0:1387ff3eed4a	1096	return wc_Pic32DesCrypt(des->key[0], DES3_KEYLEN, des->reg, DES3_IVLEN,
sPymbed	0:1387ff3eed4a	1097	out, in, (blocks * DES_BLOCK_SIZE),
sPymbed	0:1387ff3eed4a	1098	PIC32_DECRYPTION, PIC32_ALGO_TDES, PIC32_CRYPTOALGO_TCBC);
sPymbed	0:1387ff3eed4a	1099	}
sPymbed	0:1387ff3eed4a	1100
sPymbed	0:1387ff3eed4a	1101	#ifdef WOLFSSL_DES_ECB
sPymbed	0:1387ff3eed4a	1102	int wc_Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	1103	{
sPymbed	0:1387ff3eed4a	1104	word32 blocks = sz / DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1105
sPymbed	0:1387ff3eed4a	1106	if (des == NULL \|\| out == NULL \|\| in == NULL)
sPymbed	0:1387ff3eed4a	1107	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	1108
sPymbed	0:1387ff3eed4a	1109	return wc_Pic32DesCrypt(des->key, DES_KEYLEN, des->reg, DES_IVLEN,
sPymbed	0:1387ff3eed4a	1110	out, in, (blocks * DES_BLOCK_SIZE),
sPymbed	0:1387ff3eed4a	1111	PIC32_ENCRYPTION, PIC32_ALGO_DES, PIC32_CRYPTOALGO_ECB);
sPymbed	0:1387ff3eed4a	1112	}
sPymbed	0:1387ff3eed4a	1113
sPymbed	0:1387ff3eed4a	1114	int wc_Des3_EcbEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	1115	{
sPymbed	0:1387ff3eed4a	1116	word32 blocks = sz / DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1117
sPymbed	0:1387ff3eed4a	1118	if (des == NULL \|\| out == NULL \|\| in == NULL)
sPymbed	0:1387ff3eed4a	1119	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	1120
sPymbed	0:1387ff3eed4a	1121	return wc_Pic32DesCrypt(des->key[0], DES3_KEYLEN, des->reg, DES3_IVLEN,
sPymbed	0:1387ff3eed4a	1122	out, in, (blocks * DES_BLOCK_SIZE),
sPymbed	0:1387ff3eed4a	1123	PIC32_ENCRYPTION, PIC32_ALGO_TDES, PIC32_CRYPTOALGO_TECB);
sPymbed	0:1387ff3eed4a	1124	}
sPymbed	0:1387ff3eed4a	1125	#endif /* WOLFSSL_DES_ECB */
sPymbed	0:1387ff3eed4a	1126
sPymbed	0:1387ff3eed4a	1127	#else
sPymbed	0:1387ff3eed4a	1128	#define NEED_SOFT_DES
sPymbed	0:1387ff3eed4a	1129
sPymbed	0:1387ff3eed4a	1130	#endif
sPymbed	0:1387ff3eed4a	1131
sPymbed	0:1387ff3eed4a	1132
sPymbed	0:1387ff3eed4a	1133	#ifdef NEED_SOFT_DES
sPymbed	0:1387ff3eed4a	1134
sPymbed	0:1387ff3eed4a	1135	/* permuted choice table (key) */
sPymbed	0:1387ff3eed4a	1136	static const byte pc1[] = {
sPymbed	0:1387ff3eed4a	1137	57, 49, 41, 33, 25, 17, 9,
sPymbed	0:1387ff3eed4a	1138	1, 58, 50, 42, 34, 26, 18,
sPymbed	0:1387ff3eed4a	1139	10, 2, 59, 51, 43, 35, 27,
sPymbed	0:1387ff3eed4a	1140	19, 11, 3, 60, 52, 44, 36,
sPymbed	0:1387ff3eed4a	1141
sPymbed	0:1387ff3eed4a	1142	63, 55, 47, 39, 31, 23, 15,
sPymbed	0:1387ff3eed4a	1143	7, 62, 54, 46, 38, 30, 22,
sPymbed	0:1387ff3eed4a	1144	14, 6, 61, 53, 45, 37, 29,
sPymbed	0:1387ff3eed4a	1145	21, 13, 5, 28, 20, 12, 4
sPymbed	0:1387ff3eed4a	1146	};
sPymbed	0:1387ff3eed4a	1147
sPymbed	0:1387ff3eed4a	1148	/* number left rotations of pc1 */
sPymbed	0:1387ff3eed4a	1149	static const byte totrot[] = {
sPymbed	0:1387ff3eed4a	1150	1,2,4,6,8,10,12,14,15,17,19,21,23,25,27,28
sPymbed	0:1387ff3eed4a	1151	};
sPymbed	0:1387ff3eed4a	1152
sPymbed	0:1387ff3eed4a	1153	/* permuted choice key (table) */
sPymbed	0:1387ff3eed4a	1154	static const byte pc2[] = {
sPymbed	0:1387ff3eed4a	1155	14, 17, 11, 24, 1, 5,
sPymbed	0:1387ff3eed4a	1156	3, 28, 15, 6, 21, 10,
sPymbed	0:1387ff3eed4a	1157	23, 19, 12, 4, 26, 8,
sPymbed	0:1387ff3eed4a	1158	16, 7, 27, 20, 13, 2,
sPymbed	0:1387ff3eed4a	1159	41, 52, 31, 37, 47, 55,
sPymbed	0:1387ff3eed4a	1160	30, 40, 51, 45, 33, 48,
sPymbed	0:1387ff3eed4a	1161	44, 49, 39, 56, 34, 53,
sPymbed	0:1387ff3eed4a	1162	46, 42, 50, 36, 29, 32
sPymbed	0:1387ff3eed4a	1163	};
sPymbed	0:1387ff3eed4a	1164
sPymbed	0:1387ff3eed4a	1165	/* End of DES-defined tables */
sPymbed	0:1387ff3eed4a	1166
sPymbed	0:1387ff3eed4a	1167	/* bit 0 is left-most in byte */
sPymbed	0:1387ff3eed4a	1168	static const int bytebit[] = {
sPymbed	0:1387ff3eed4a	1169	0200,0100,040,020,010,04,02,01
sPymbed	0:1387ff3eed4a	1170	};
sPymbed	0:1387ff3eed4a	1171
sPymbed	0:1387ff3eed4a	1172	static const word32 Spbox[8][64] = {
sPymbed	0:1387ff3eed4a	1173	{ 0x01010400,0x00000000,0x00010000,0x01010404,
sPymbed	0:1387ff3eed4a	1174	0x01010004,0x00010404,0x00000004,0x00010000,
sPymbed	0:1387ff3eed4a	1175	0x00000400,0x01010400,0x01010404,0x00000400,
sPymbed	0:1387ff3eed4a	1176	0x01000404,0x01010004,0x01000000,0x00000004,
sPymbed	0:1387ff3eed4a	1177	0x00000404,0x01000400,0x01000400,0x00010400,
sPymbed	0:1387ff3eed4a	1178	0x00010400,0x01010000,0x01010000,0x01000404,
sPymbed	0:1387ff3eed4a	1179	0x00010004,0x01000004,0x01000004,0x00010004,
sPymbed	0:1387ff3eed4a	1180	0x00000000,0x00000404,0x00010404,0x01000000,
sPymbed	0:1387ff3eed4a	1181	0x00010000,0x01010404,0x00000004,0x01010000,
sPymbed	0:1387ff3eed4a	1182	0x01010400,0x01000000,0x01000000,0x00000400,
sPymbed	0:1387ff3eed4a	1183	0x01010004,0x00010000,0x00010400,0x01000004,
sPymbed	0:1387ff3eed4a	1184	0x00000400,0x00000004,0x01000404,0x00010404,
sPymbed	0:1387ff3eed4a	1185	0x01010404,0x00010004,0x01010000,0x01000404,
sPymbed	0:1387ff3eed4a	1186	0x01000004,0x00000404,0x00010404,0x01010400,
sPymbed	0:1387ff3eed4a	1187	0x00000404,0x01000400,0x01000400,0x00000000,
sPymbed	0:1387ff3eed4a	1188	0x00010004,0x00010400,0x00000000,0x01010004},
sPymbed	0:1387ff3eed4a	1189	{ 0x80108020,0x80008000,0x00008000,0x00108020,
sPymbed	0:1387ff3eed4a	1190	0x00100000,0x00000020,0x80100020,0x80008020,
sPymbed	0:1387ff3eed4a	1191	0x80000020,0x80108020,0x80108000,0x80000000,
sPymbed	0:1387ff3eed4a	1192	0x80008000,0x00100000,0x00000020,0x80100020,
sPymbed	0:1387ff3eed4a	1193	0x00108000,0x00100020,0x80008020,0x00000000,
sPymbed	0:1387ff3eed4a	1194	0x80000000,0x00008000,0x00108020,0x80100000,
sPymbed	0:1387ff3eed4a	1195	0x00100020,0x80000020,0x00000000,0x00108000,
sPymbed	0:1387ff3eed4a	1196	0x00008020,0x80108000,0x80100000,0x00008020,
sPymbed	0:1387ff3eed4a	1197	0x00000000,0x00108020,0x80100020,0x00100000,
sPymbed	0:1387ff3eed4a	1198	0x80008020,0x80100000,0x80108000,0x00008000,
sPymbed	0:1387ff3eed4a	1199	0x80100000,0x80008000,0x00000020,0x80108020,
sPymbed	0:1387ff3eed4a	1200	0x00108020,0x00000020,0x00008000,0x80000000,
sPymbed	0:1387ff3eed4a	1201	0x00008020,0x80108000,0x00100000,0x80000020,
sPymbed	0:1387ff3eed4a	1202	0x00100020,0x80008020,0x80000020,0x00100020,
sPymbed	0:1387ff3eed4a	1203	0x00108000,0x00000000,0x80008000,0x00008020,
sPymbed	0:1387ff3eed4a	1204	0x80000000,0x80100020,0x80108020,0x00108000},
sPymbed	0:1387ff3eed4a	1205	{ 0x00000208,0x08020200,0x00000000,0x08020008,
sPymbed	0:1387ff3eed4a	1206	0x08000200,0x00000000,0x00020208,0x08000200,
sPymbed	0:1387ff3eed4a	1207	0x00020008,0x08000008,0x08000008,0x00020000,
sPymbed	0:1387ff3eed4a	1208	0x08020208,0x00020008,0x08020000,0x00000208,
sPymbed	0:1387ff3eed4a	1209	0x08000000,0x00000008,0x08020200,0x00000200,
sPymbed	0:1387ff3eed4a	1210	0x00020200,0x08020000,0x08020008,0x00020208,
sPymbed	0:1387ff3eed4a	1211	0x08000208,0x00020200,0x00020000,0x08000208,
sPymbed	0:1387ff3eed4a	1212	0x00000008,0x08020208,0x00000200,0x08000000,
sPymbed	0:1387ff3eed4a	1213	0x08020200,0x08000000,0x00020008,0x00000208,
sPymbed	0:1387ff3eed4a	1214	0x00020000,0x08020200,0x08000200,0x00000000,
sPymbed	0:1387ff3eed4a	1215	0x00000200,0x00020008,0x08020208,0x08000200,
sPymbed	0:1387ff3eed4a	1216	0x08000008,0x00000200,0x00000000,0x08020008,
sPymbed	0:1387ff3eed4a	1217	0x08000208,0x00020000,0x08000000,0x08020208,
sPymbed	0:1387ff3eed4a	1218	0x00000008,0x00020208,0x00020200,0x08000008,
sPymbed	0:1387ff3eed4a	1219	0x08020000,0x08000208,0x00000208,0x08020000,
sPymbed	0:1387ff3eed4a	1220	0x00020208,0x00000008,0x08020008,0x00020200},
sPymbed	0:1387ff3eed4a	1221	{ 0x00802001,0x00002081,0x00002081,0x00000080,
sPymbed	0:1387ff3eed4a	1222	0x00802080,0x00800081,0x00800001,0x00002001,
sPymbed	0:1387ff3eed4a	1223	0x00000000,0x00802000,0x00802000,0x00802081,
sPymbed	0:1387ff3eed4a	1224	0x00000081,0x00000000,0x00800080,0x00800001,
sPymbed	0:1387ff3eed4a	1225	0x00000001,0x00002000,0x00800000,0x00802001,
sPymbed	0:1387ff3eed4a	1226	0x00000080,0x00800000,0x00002001,0x00002080,
sPymbed	0:1387ff3eed4a	1227	0x00800081,0x00000001,0x00002080,0x00800080,
sPymbed	0:1387ff3eed4a	1228	0x00002000,0x00802080,0x00802081,0x00000081,
sPymbed	0:1387ff3eed4a	1229	0x00800080,0x00800001,0x00802000,0x00802081,
sPymbed	0:1387ff3eed4a	1230	0x00000081,0x00000000,0x00000000,0x00802000,
sPymbed	0:1387ff3eed4a	1231	0x00002080,0x00800080,0x00800081,0x00000001,
sPymbed	0:1387ff3eed4a	1232	0x00802001,0x00002081,0x00002081,0x00000080,
sPymbed	0:1387ff3eed4a	1233	0x00802081,0x00000081,0x00000001,0x00002000,
sPymbed	0:1387ff3eed4a	1234	0x00800001,0x00002001,0x00802080,0x00800081,
sPymbed	0:1387ff3eed4a	1235	0x00002001,0x00002080,0x00800000,0x00802001,
sPymbed	0:1387ff3eed4a	1236	0x00000080,0x00800000,0x00002000,0x00802080},
sPymbed	0:1387ff3eed4a	1237	{ 0x00000100,0x02080100,0x02080000,0x42000100,
sPymbed	0:1387ff3eed4a	1238	0x00080000,0x00000100,0x40000000,0x02080000,
sPymbed	0:1387ff3eed4a	1239	0x40080100,0x00080000,0x02000100,0x40080100,
sPymbed	0:1387ff3eed4a	1240	0x42000100,0x42080000,0x00080100,0x40000000,
sPymbed	0:1387ff3eed4a	1241	0x02000000,0x40080000,0x40080000,0x00000000,
sPymbed	0:1387ff3eed4a	1242	0x40000100,0x42080100,0x42080100,0x02000100,
sPymbed	0:1387ff3eed4a	1243	0x42080000,0x40000100,0x00000000,0x42000000,
sPymbed	0:1387ff3eed4a	1244	0x02080100,0x02000000,0x42000000,0x00080100,
sPymbed	0:1387ff3eed4a	1245	0x00080000,0x42000100,0x00000100,0x02000000,
sPymbed	0:1387ff3eed4a	1246	0x40000000,0x02080000,0x42000100,0x40080100,
sPymbed	0:1387ff3eed4a	1247	0x02000100,0x40000000,0x42080000,0x02080100,
sPymbed	0:1387ff3eed4a	1248	0x40080100,0x00000100,0x02000000,0x42080000,
sPymbed	0:1387ff3eed4a	1249	0x42080100,0x00080100,0x42000000,0x42080100,
sPymbed	0:1387ff3eed4a	1250	0x02080000,0x00000000,0x40080000,0x42000000,
sPymbed	0:1387ff3eed4a	1251	0x00080100,0x02000100,0x40000100,0x00080000,
sPymbed	0:1387ff3eed4a	1252	0x00000000,0x40080000,0x02080100,0x40000100},
sPymbed	0:1387ff3eed4a	1253	{ 0x20000010,0x20400000,0x00004000,0x20404010,
sPymbed	0:1387ff3eed4a	1254	0x20400000,0x00000010,0x20404010,0x00400000,
sPymbed	0:1387ff3eed4a	1255	0x20004000,0x00404010,0x00400000,0x20000010,
sPymbed	0:1387ff3eed4a	1256	0x00400010,0x20004000,0x20000000,0x00004010,
sPymbed	0:1387ff3eed4a	1257	0x00000000,0x00400010,0x20004010,0x00004000,
sPymbed	0:1387ff3eed4a	1258	0x00404000,0x20004010,0x00000010,0x20400010,
sPymbed	0:1387ff3eed4a	1259	0x20400010,0x00000000,0x00404010,0x20404000,
sPymbed	0:1387ff3eed4a	1260	0x00004010,0x00404000,0x20404000,0x20000000,
sPymbed	0:1387ff3eed4a	1261	0x20004000,0x00000010,0x20400010,0x00404000,
sPymbed	0:1387ff3eed4a	1262	0x20404010,0x00400000,0x00004010,0x20000010,
sPymbed	0:1387ff3eed4a	1263	0x00400000,0x20004000,0x20000000,0x00004010,
sPymbed	0:1387ff3eed4a	1264	0x20000010,0x20404010,0x00404000,0x20400000,
sPymbed	0:1387ff3eed4a	1265	0x00404010,0x20404000,0x00000000,0x20400010,
sPymbed	0:1387ff3eed4a	1266	0x00000010,0x00004000,0x20400000,0x00404010,
sPymbed	0:1387ff3eed4a	1267	0x00004000,0x00400010,0x20004010,0x00000000,
sPymbed	0:1387ff3eed4a	1268	0x20404000,0x20000000,0x00400010,0x20004010},
sPymbed	0:1387ff3eed4a	1269	{ 0x00200000,0x04200002,0x04000802,0x00000000,
sPymbed	0:1387ff3eed4a	1270	0x00000800,0x04000802,0x00200802,0x04200800,
sPymbed	0:1387ff3eed4a	1271	0x04200802,0x00200000,0x00000000,0x04000002,
sPymbed	0:1387ff3eed4a	1272	0x00000002,0x04000000,0x04200002,0x00000802,
sPymbed	0:1387ff3eed4a	1273	0x04000800,0x00200802,0x00200002,0x04000800,
sPymbed	0:1387ff3eed4a	1274	0x04000002,0x04200000,0x04200800,0x00200002,
sPymbed	0:1387ff3eed4a	1275	0x04200000,0x00000800,0x00000802,0x04200802,
sPymbed	0:1387ff3eed4a	1276	0x00200800,0x00000002,0x04000000,0x00200800,
sPymbed	0:1387ff3eed4a	1277	0x04000000,0x00200800,0x00200000,0x04000802,
sPymbed	0:1387ff3eed4a	1278	0x04000802,0x04200002,0x04200002,0x00000002,
sPymbed	0:1387ff3eed4a	1279	0x00200002,0x04000000,0x04000800,0x00200000,
sPymbed	0:1387ff3eed4a	1280	0x04200800,0x00000802,0x00200802,0x04200800,
sPymbed	0:1387ff3eed4a	1281	0x00000802,0x04000002,0x04200802,0x04200000,
sPymbed	0:1387ff3eed4a	1282	0x00200800,0x00000000,0x00000002,0x04200802,
sPymbed	0:1387ff3eed4a	1283	0x00000000,0x00200802,0x04200000,0x00000800,
sPymbed	0:1387ff3eed4a	1284	0x04000002,0x04000800,0x00000800,0x00200002},
sPymbed	0:1387ff3eed4a	1285	{ 0x10001040,0x00001000,0x00040000,0x10041040,
sPymbed	0:1387ff3eed4a	1286	0x10000000,0x10001040,0x00000040,0x10000000,
sPymbed	0:1387ff3eed4a	1287	0x00040040,0x10040000,0x10041040,0x00041000,
sPymbed	0:1387ff3eed4a	1288	0x10041000,0x00041040,0x00001000,0x00000040,
sPymbed	0:1387ff3eed4a	1289	0x10040000,0x10000040,0x10001000,0x00001040,
sPymbed	0:1387ff3eed4a	1290	0x00041000,0x00040040,0x10040040,0x10041000,
sPymbed	0:1387ff3eed4a	1291	0x00001040,0x00000000,0x00000000,0x10040040,
sPymbed	0:1387ff3eed4a	1292	0x10000040,0x10001000,0x00041040,0x00040000,
sPymbed	0:1387ff3eed4a	1293	0x00041040,0x00040000,0x10041000,0x00001000,
sPymbed	0:1387ff3eed4a	1294	0x00000040,0x10040040,0x00001000,0x00041040,
sPymbed	0:1387ff3eed4a	1295	0x10001000,0x00000040,0x10000040,0x10040000,
sPymbed	0:1387ff3eed4a	1296	0x10040040,0x10000000,0x00040000,0x10001040,
sPymbed	0:1387ff3eed4a	1297	0x00000000,0x10041040,0x00040040,0x10000040,
sPymbed	0:1387ff3eed4a	1298	0x10040000,0x10001000,0x10001040,0x00000000,
sPymbed	0:1387ff3eed4a	1299	0x10041040,0x00041000,0x00041000,0x00001040,
sPymbed	0:1387ff3eed4a	1300	0x00001040,0x00040040,0x10000000,0x10041000}
sPymbed	0:1387ff3eed4a	1301	};
sPymbed	0:1387ff3eed4a	1302
sPymbed	0:1387ff3eed4a	1303	static WC_INLINE void IPERM(word32* left, word32* right)
sPymbed	0:1387ff3eed4a	1304	{
sPymbed	0:1387ff3eed4a	1305	word32 work;
sPymbed	0:1387ff3eed4a	1306
sPymbed	0:1387ff3eed4a	1307	right = rotlFixed(right, 4U);
sPymbed	0:1387ff3eed4a	1308	work = (left ^ right) & 0xf0f0f0f0;
sPymbed	0:1387ff3eed4a	1309	*left ^= work;
sPymbed	0:1387ff3eed4a	1310
sPymbed	0:1387ff3eed4a	1311	right = rotrFixed(right^work, 20U);
sPymbed	0:1387ff3eed4a	1312	work = (left ^ right) & 0xffff0000;
sPymbed	0:1387ff3eed4a	1313	*left ^= work;
sPymbed	0:1387ff3eed4a	1314
sPymbed	0:1387ff3eed4a	1315	right = rotrFixed(right^work, 18U);
sPymbed	0:1387ff3eed4a	1316	work = (left ^ right) & 0x33333333;
sPymbed	0:1387ff3eed4a	1317	*left ^= work;
sPymbed	0:1387ff3eed4a	1318
sPymbed	0:1387ff3eed4a	1319	right = rotrFixed(right^work, 6U);
sPymbed	0:1387ff3eed4a	1320	work = (left ^ right) & 0x00ff00ff;
sPymbed	0:1387ff3eed4a	1321	*left ^= work;
sPymbed	0:1387ff3eed4a	1322
sPymbed	0:1387ff3eed4a	1323	right = rotlFixed(right^work, 9U);
sPymbed	0:1387ff3eed4a	1324	work = (left ^ right) & 0xaaaaaaaa;
sPymbed	0:1387ff3eed4a	1325	left = rotlFixed(left^work, 1U);
sPymbed	0:1387ff3eed4a	1326	*right ^= work;
sPymbed	0:1387ff3eed4a	1327	}
sPymbed	0:1387ff3eed4a	1328
sPymbed	0:1387ff3eed4a	1329	static WC_INLINE void FPERM(word32* left, word32* right)
sPymbed	0:1387ff3eed4a	1330	{
sPymbed	0:1387ff3eed4a	1331	word32 work;
sPymbed	0:1387ff3eed4a	1332
sPymbed	0:1387ff3eed4a	1333	right = rotrFixed(right, 1U);
sPymbed	0:1387ff3eed4a	1334	work = (left ^ right) & 0xaaaaaaaa;
sPymbed	0:1387ff3eed4a	1335	*right ^= work;
sPymbed	0:1387ff3eed4a	1336
sPymbed	0:1387ff3eed4a	1337	left = rotrFixed(left^work, 9U);
sPymbed	0:1387ff3eed4a	1338	work = (left ^ right) & 0x00ff00ff;
sPymbed	0:1387ff3eed4a	1339	*right ^= work;
sPymbed	0:1387ff3eed4a	1340
sPymbed	0:1387ff3eed4a	1341	left = rotlFixed(left^work, 6U);
sPymbed	0:1387ff3eed4a	1342	work = (left ^ right) & 0x33333333;
sPymbed	0:1387ff3eed4a	1343	*right ^= work;
sPymbed	0:1387ff3eed4a	1344
sPymbed	0:1387ff3eed4a	1345	left = rotlFixed(left^work, 18U);
sPymbed	0:1387ff3eed4a	1346	work = (left ^ right) & 0xffff0000;
sPymbed	0:1387ff3eed4a	1347	*right ^= work;
sPymbed	0:1387ff3eed4a	1348
sPymbed	0:1387ff3eed4a	1349	left = rotlFixed(left^work, 20U);
sPymbed	0:1387ff3eed4a	1350	work = (left ^ right) & 0xf0f0f0f0;
sPymbed	0:1387ff3eed4a	1351	*right ^= work;
sPymbed	0:1387ff3eed4a	1352
sPymbed	0:1387ff3eed4a	1353	left = rotrFixed(left^work, 4U);
sPymbed	0:1387ff3eed4a	1354	}
sPymbed	0:1387ff3eed4a	1355
sPymbed	0:1387ff3eed4a	1356	static int DesSetKey(const byte* key, int dir, word32* out)
sPymbed	0:1387ff3eed4a	1357	{
sPymbed	0:1387ff3eed4a	1358	#define DES_KEY_BUFFER_SIZE (56+56+8)
sPymbed	0:1387ff3eed4a	1359	#ifdef WOLFSSL_SMALL_STACK
sPymbed	0:1387ff3eed4a	1360	byte* buffer = (byte*)XMALLOC(DES_KEY_BUFFER_SIZE, NULL, DYNAMIC_TYPE_TMP_BUFFER);
sPymbed	0:1387ff3eed4a	1361
sPymbed	0:1387ff3eed4a	1362	if (buffer == NULL)
sPymbed	0:1387ff3eed4a	1363	return MEMORY_E;
sPymbed	0:1387ff3eed4a	1364	#else
sPymbed	0:1387ff3eed4a	1365	byte buffer[DES_KEY_BUFFER_SIZE];
sPymbed	0:1387ff3eed4a	1366	#endif
sPymbed	0:1387ff3eed4a	1367
sPymbed	0:1387ff3eed4a	1368	{
sPymbed	0:1387ff3eed4a	1369	byte* const pc1m = buffer; /* place to modify pc1 into */
sPymbed	0:1387ff3eed4a	1370	byte* const pcr = pc1m + 56; /* place to rotate pc1 into */
sPymbed	0:1387ff3eed4a	1371	byte* const ks = pcr + 56;
sPymbed	0:1387ff3eed4a	1372	register int i, j, l;
sPymbed	0:1387ff3eed4a	1373	int m;
sPymbed	0:1387ff3eed4a	1374
sPymbed	0:1387ff3eed4a	1375	for (j = 0; j < 56; j++) { /* convert pc1 to bits of key */
sPymbed	0:1387ff3eed4a	1376	l = pc1[j] - 1; /* integer bit location */
sPymbed	0:1387ff3eed4a	1377	m = l & 07; /* find bit */
sPymbed	0:1387ff3eed4a	1378	pc1m[j] = (key[l >> 3] & /* find which key byte l is in */
sPymbed	0:1387ff3eed4a	1379	bytebit[m]) /* and which bit of that byte */
sPymbed	0:1387ff3eed4a	1380	? 1 : 0; /* and store 1-bit result */
sPymbed	0:1387ff3eed4a	1381	}
sPymbed	0:1387ff3eed4a	1382
sPymbed	0:1387ff3eed4a	1383	for (i = 0; i < 16; i++) { /* key chunk for each iteration */
sPymbed	0:1387ff3eed4a	1384	XMEMSET(ks, 0, 8); /* Clear key schedule */
sPymbed	0:1387ff3eed4a	1385
sPymbed	0:1387ff3eed4a	1386	for (j = 0; j < 56; j++) /* rotate pc1 the right amount */
sPymbed	0:1387ff3eed4a	1387	pcr[j] =
sPymbed	0:1387ff3eed4a	1388	pc1m[(l = j + totrot[i]) < (j < 28 ? 28 : 56) ? l : l-28];
sPymbed	0:1387ff3eed4a	1389
sPymbed	0:1387ff3eed4a	1390	/* rotate left and right halves independently */
sPymbed	0:1387ff3eed4a	1391	for (j = 0; j < 48; j++) { /* select bits individually */
sPymbed	0:1387ff3eed4a	1392	if (pcr[pc2[j] - 1]) { /* check bit that goes to ks[j] */
sPymbed	0:1387ff3eed4a	1393	l= j % 6; /* mask it in if it's there */
sPymbed	0:1387ff3eed4a	1394	ks[j/6] \|= bytebit[l] >> 2;
sPymbed	0:1387ff3eed4a	1395	}
sPymbed	0:1387ff3eed4a	1396	}
sPymbed	0:1387ff3eed4a	1397
sPymbed	0:1387ff3eed4a	1398	/* Now convert to odd/even interleaved form for use in F */
sPymbed	0:1387ff3eed4a	1399	out[2*i] = ((word32) ks[0] << 24)
sPymbed	0:1387ff3eed4a	1400	\| ((word32) ks[2] << 16)
sPymbed	0:1387ff3eed4a	1401	\| ((word32) ks[4] << 8)
sPymbed	0:1387ff3eed4a	1402	\| ((word32) ks[6]);
sPymbed	0:1387ff3eed4a	1403
sPymbed	0:1387ff3eed4a	1404	out[2*i + 1] = ((word32) ks[1] << 24)
sPymbed	0:1387ff3eed4a	1405	\| ((word32) ks[3] << 16)
sPymbed	0:1387ff3eed4a	1406	\| ((word32) ks[5] << 8)
sPymbed	0:1387ff3eed4a	1407	\| ((word32) ks[7]);
sPymbed	0:1387ff3eed4a	1408	}
sPymbed	0:1387ff3eed4a	1409
sPymbed	0:1387ff3eed4a	1410	/* reverse key schedule order */
sPymbed	0:1387ff3eed4a	1411	if (dir == DES_DECRYPTION) {
sPymbed	0:1387ff3eed4a	1412	for (i = 0; i < 16; i += 2) {
sPymbed	0:1387ff3eed4a	1413	word32 swap = out[i];
sPymbed	0:1387ff3eed4a	1414	out[i] = out[DES_KS_SIZE - 2 - i];
sPymbed	0:1387ff3eed4a	1415	out[DES_KS_SIZE - 2 - i] = swap;
sPymbed	0:1387ff3eed4a	1416
sPymbed	0:1387ff3eed4a	1417	swap = out[i + 1];
sPymbed	0:1387ff3eed4a	1418	out[i + 1] = out[DES_KS_SIZE - 1 - i];
sPymbed	0:1387ff3eed4a	1419	out[DES_KS_SIZE - 1 - i] = swap;
sPymbed	0:1387ff3eed4a	1420	}
sPymbed	0:1387ff3eed4a	1421	}
sPymbed	0:1387ff3eed4a	1422
sPymbed	0:1387ff3eed4a	1423	#ifdef WOLFSSL_SMALL_STACK
sPymbed	0:1387ff3eed4a	1424	XFREE(buffer, NULL, DYNAMIC_TYPE_TMP_BUFFER);
sPymbed	0:1387ff3eed4a	1425	#endif
sPymbed	0:1387ff3eed4a	1426	}
sPymbed	0:1387ff3eed4a	1427
sPymbed	0:1387ff3eed4a	1428	return 0;
sPymbed	0:1387ff3eed4a	1429	}
sPymbed	0:1387ff3eed4a	1430
sPymbed	0:1387ff3eed4a	1431	int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
sPymbed	0:1387ff3eed4a	1432	{
sPymbed	0:1387ff3eed4a	1433	wc_Des_SetIV(des, iv);
sPymbed	0:1387ff3eed4a	1434
sPymbed	0:1387ff3eed4a	1435	return DesSetKey(key, dir, des->key);
sPymbed	0:1387ff3eed4a	1436	}
sPymbed	0:1387ff3eed4a	1437
sPymbed	0:1387ff3eed4a	1438	int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
sPymbed	0:1387ff3eed4a	1439	{
sPymbed	0:1387ff3eed4a	1440	int ret;
sPymbed	0:1387ff3eed4a	1441
sPymbed	0:1387ff3eed4a	1442	if (des == NULL \|\| key == NULL \|\| dir < 0) {
sPymbed	0:1387ff3eed4a	1443	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	1444	}
sPymbed	0:1387ff3eed4a	1445
sPymbed	0:1387ff3eed4a	1446	#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_3DES)
sPymbed	0:1387ff3eed4a	1447	if (des->asyncDev.marker == WOLFSSL_ASYNC_MARKER_3DES) {
sPymbed	0:1387ff3eed4a	1448	/* key_raw holds orignal key copy */
sPymbed	0:1387ff3eed4a	1449	des->key_raw = key;
sPymbed	0:1387ff3eed4a	1450	des->iv_raw = iv;
sPymbed	0:1387ff3eed4a	1451
sPymbed	0:1387ff3eed4a	1452	/* continue on to set normal key for smaller DES operations */
sPymbed	0:1387ff3eed4a	1453	}
sPymbed	0:1387ff3eed4a	1454	#endif /* WOLFSSL_ASYNC_CRYPT */
sPymbed	0:1387ff3eed4a	1455
sPymbed	0:1387ff3eed4a	1456	ret = DesSetKey(key + (dir == DES_ENCRYPTION ? 0:16), dir, des->key[0]);
sPymbed	0:1387ff3eed4a	1457	if (ret != 0)
sPymbed	0:1387ff3eed4a	1458	return ret;
sPymbed	0:1387ff3eed4a	1459
sPymbed	0:1387ff3eed4a	1460	ret = DesSetKey(key + 8, !dir, des->key[1]);
sPymbed	0:1387ff3eed4a	1461	if (ret != 0)
sPymbed	0:1387ff3eed4a	1462	return ret;
sPymbed	0:1387ff3eed4a	1463
sPymbed	0:1387ff3eed4a	1464	ret = DesSetKey(key + (dir == DES_DECRYPTION ? 0:16), dir, des->key[2]);
sPymbed	0:1387ff3eed4a	1465	if (ret != 0)
sPymbed	0:1387ff3eed4a	1466	return ret;
sPymbed	0:1387ff3eed4a	1467
sPymbed	0:1387ff3eed4a	1468	return wc_Des3_SetIV(des, iv);
sPymbed	0:1387ff3eed4a	1469	}
sPymbed	0:1387ff3eed4a	1470
sPymbed	0:1387ff3eed4a	1471	static void DesRawProcessBlock(word32* lIn, word32* rIn, const word32* kptr)
sPymbed	0:1387ff3eed4a	1472	{
sPymbed	0:1387ff3eed4a	1473	word32 l = lIn, r = rIn, i;
sPymbed	0:1387ff3eed4a	1474
sPymbed	0:1387ff3eed4a	1475	for (i=0; i<8; i++)
sPymbed	0:1387ff3eed4a	1476	{
sPymbed	0:1387ff3eed4a	1477	word32 work = rotrFixed(r, 4U) ^ kptr[4*i+0];
sPymbed	0:1387ff3eed4a	1478	l ^= Spbox[6][(work) & 0x3f]
sPymbed	0:1387ff3eed4a	1479	^ Spbox[4][(work >> 8) & 0x3f]
sPymbed	0:1387ff3eed4a	1480	^ Spbox[2][(work >> 16) & 0x3f]
sPymbed	0:1387ff3eed4a	1481	^ Spbox[0][(work >> 24) & 0x3f];
sPymbed	0:1387ff3eed4a	1482	work = r ^ kptr[4*i+1];
sPymbed	0:1387ff3eed4a	1483	l ^= Spbox[7][(work) & 0x3f]
sPymbed	0:1387ff3eed4a	1484	^ Spbox[5][(work >> 8) & 0x3f]
sPymbed	0:1387ff3eed4a	1485	^ Spbox[3][(work >> 16) & 0x3f]
sPymbed	0:1387ff3eed4a	1486	^ Spbox[1][(work >> 24) & 0x3f];
sPymbed	0:1387ff3eed4a	1487
sPymbed	0:1387ff3eed4a	1488	work = rotrFixed(l, 4U) ^ kptr[4*i+2];
sPymbed	0:1387ff3eed4a	1489	r ^= Spbox[6][(work) & 0x3f]
sPymbed	0:1387ff3eed4a	1490	^ Spbox[4][(work >> 8) & 0x3f]
sPymbed	0:1387ff3eed4a	1491	^ Spbox[2][(work >> 16) & 0x3f]
sPymbed	0:1387ff3eed4a	1492	^ Spbox[0][(work >> 24) & 0x3f];
sPymbed	0:1387ff3eed4a	1493	work = l ^ kptr[4*i+3];
sPymbed	0:1387ff3eed4a	1494	r ^= Spbox[7][(work) & 0x3f]
sPymbed	0:1387ff3eed4a	1495	^ Spbox[5][(work >> 8) & 0x3f]
sPymbed	0:1387ff3eed4a	1496	^ Spbox[3][(work >> 16) & 0x3f]
sPymbed	0:1387ff3eed4a	1497	^ Spbox[1][(work >> 24) & 0x3f];
sPymbed	0:1387ff3eed4a	1498	}
sPymbed	0:1387ff3eed4a	1499
sPymbed	0:1387ff3eed4a	1500	lIn = l; rIn = r;
sPymbed	0:1387ff3eed4a	1501	}
sPymbed	0:1387ff3eed4a	1502
sPymbed	0:1387ff3eed4a	1503	static void DesProcessBlock(Des* des, const byte* in, byte* out)
sPymbed	0:1387ff3eed4a	1504	{
sPymbed	0:1387ff3eed4a	1505	word32 l, r;
sPymbed	0:1387ff3eed4a	1506
sPymbed	0:1387ff3eed4a	1507	XMEMCPY(&l, in, sizeof(l));
sPymbed	0:1387ff3eed4a	1508	XMEMCPY(&r, in + sizeof(l), sizeof(r));
sPymbed	0:1387ff3eed4a	1509	#ifdef LITTLE_ENDIAN_ORDER
sPymbed	0:1387ff3eed4a	1510	l = ByteReverseWord32(l);
sPymbed	0:1387ff3eed4a	1511	r = ByteReverseWord32(r);
sPymbed	0:1387ff3eed4a	1512	#endif
sPymbed	0:1387ff3eed4a	1513	IPERM(&l,&r);
sPymbed	0:1387ff3eed4a	1514
sPymbed	0:1387ff3eed4a	1515	DesRawProcessBlock(&l, &r, des->key);
sPymbed	0:1387ff3eed4a	1516
sPymbed	0:1387ff3eed4a	1517	FPERM(&l,&r);
sPymbed	0:1387ff3eed4a	1518	#ifdef LITTLE_ENDIAN_ORDER
sPymbed	0:1387ff3eed4a	1519	l = ByteReverseWord32(l);
sPymbed	0:1387ff3eed4a	1520	r = ByteReverseWord32(r);
sPymbed	0:1387ff3eed4a	1521	#endif
sPymbed	0:1387ff3eed4a	1522	XMEMCPY(out, &r, sizeof(r));
sPymbed	0:1387ff3eed4a	1523	XMEMCPY(out + sizeof(r), &l, sizeof(l));
sPymbed	0:1387ff3eed4a	1524	}
sPymbed	0:1387ff3eed4a	1525
sPymbed	0:1387ff3eed4a	1526	static void Des3ProcessBlock(Des3* des, const byte* in, byte* out)
sPymbed	0:1387ff3eed4a	1527	{
sPymbed	0:1387ff3eed4a	1528	word32 l, r;
sPymbed	0:1387ff3eed4a	1529
sPymbed	0:1387ff3eed4a	1530	XMEMCPY(&l, in, sizeof(l));
sPymbed	0:1387ff3eed4a	1531	XMEMCPY(&r, in + sizeof(l), sizeof(r));
sPymbed	0:1387ff3eed4a	1532	#ifdef LITTLE_ENDIAN_ORDER
sPymbed	0:1387ff3eed4a	1533	l = ByteReverseWord32(l);
sPymbed	0:1387ff3eed4a	1534	r = ByteReverseWord32(r);
sPymbed	0:1387ff3eed4a	1535	#endif
sPymbed	0:1387ff3eed4a	1536	IPERM(&l,&r);
sPymbed	0:1387ff3eed4a	1537
sPymbed	0:1387ff3eed4a	1538	DesRawProcessBlock(&l, &r, des->key[0]);
sPymbed	0:1387ff3eed4a	1539	DesRawProcessBlock(&r, &l, des->key[1]);
sPymbed	0:1387ff3eed4a	1540	DesRawProcessBlock(&l, &r, des->key[2]);
sPymbed	0:1387ff3eed4a	1541
sPymbed	0:1387ff3eed4a	1542	FPERM(&l,&r);
sPymbed	0:1387ff3eed4a	1543	#ifdef LITTLE_ENDIAN_ORDER
sPymbed	0:1387ff3eed4a	1544	l = ByteReverseWord32(l);
sPymbed	0:1387ff3eed4a	1545	r = ByteReverseWord32(r);
sPymbed	0:1387ff3eed4a	1546	#endif
sPymbed	0:1387ff3eed4a	1547	XMEMCPY(out, &r, sizeof(r));
sPymbed	0:1387ff3eed4a	1548	XMEMCPY(out + sizeof(r), &l, sizeof(l));
sPymbed	0:1387ff3eed4a	1549	}
sPymbed	0:1387ff3eed4a	1550
sPymbed	0:1387ff3eed4a	1551	int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	1552	{
sPymbed	0:1387ff3eed4a	1553	word32 blocks = sz / DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1554
sPymbed	0:1387ff3eed4a	1555	while (blocks--) {
sPymbed	0:1387ff3eed4a	1556	xorbuf((byte*)des->reg, in, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	1557	DesProcessBlock(des, (byte)des->reg, (byte)des->reg);
sPymbed	0:1387ff3eed4a	1558	XMEMCPY(out, des->reg, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	1559
sPymbed	0:1387ff3eed4a	1560	out += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1561	in += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1562	}
sPymbed	0:1387ff3eed4a	1563	return 0;
sPymbed	0:1387ff3eed4a	1564	}
sPymbed	0:1387ff3eed4a	1565
sPymbed	0:1387ff3eed4a	1566	int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	1567	{
sPymbed	0:1387ff3eed4a	1568	word32 blocks = sz / DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1569
sPymbed	0:1387ff3eed4a	1570	while (blocks--) {
sPymbed	0:1387ff3eed4a	1571	XMEMCPY(des->tmp, in, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	1572	DesProcessBlock(des, (byte*)des->tmp, out);
sPymbed	0:1387ff3eed4a	1573	xorbuf(out, (byte*)des->reg, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	1574	XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	1575
sPymbed	0:1387ff3eed4a	1576	out += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1577	in += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1578	}
sPymbed	0:1387ff3eed4a	1579	return 0;
sPymbed	0:1387ff3eed4a	1580	}
sPymbed	0:1387ff3eed4a	1581
sPymbed	0:1387ff3eed4a	1582	int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	1583	{
sPymbed	0:1387ff3eed4a	1584	word32 blocks;
sPymbed	0:1387ff3eed4a	1585
sPymbed	0:1387ff3eed4a	1586	if (des == NULL \|\| out == NULL \|\| in == NULL) {
sPymbed	0:1387ff3eed4a	1587	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	1588	}
sPymbed	0:1387ff3eed4a	1589
sPymbed	0:1387ff3eed4a	1590	#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_3DES)
sPymbed	0:1387ff3eed4a	1591	if (des->asyncDev.marker == WOLFSSL_ASYNC_MARKER_3DES &&
sPymbed	0:1387ff3eed4a	1592	sz >= WC_ASYNC_THRESH_DES3_CBC) {
sPymbed	0:1387ff3eed4a	1593	#if defined(HAVE_CAVIUM)
sPymbed	0:1387ff3eed4a	1594	return NitroxDes3CbcEncrypt(des, out, in, sz);
sPymbed	0:1387ff3eed4a	1595	#elif defined(HAVE_INTEL_QA)
sPymbed	0:1387ff3eed4a	1596	return IntelQaSymDes3CbcEncrypt(&des->asyncDev, out, in, sz,
sPymbed	0:1387ff3eed4a	1597	des->key_raw, DES3_KEYLEN, (byte*)des->iv_raw, DES3_IVLEN);
sPymbed	0:1387ff3eed4a	1598	#else /* WOLFSSL_ASYNC_CRYPT_TEST */
sPymbed	0:1387ff3eed4a	1599	if (wc_AsyncTestInit(&des->asyncDev, ASYNC_TEST_DES3_CBC_ENCRYPT)) {
sPymbed	0:1387ff3eed4a	1600	WC_ASYNC_TEST* testDev = &des->asyncDev.test;
sPymbed	0:1387ff3eed4a	1601	testDev->des.des = des;
sPymbed	0:1387ff3eed4a	1602	testDev->des.out = out;
sPymbed	0:1387ff3eed4a	1603	testDev->des.in = in;
sPymbed	0:1387ff3eed4a	1604	testDev->des.sz = sz;
sPymbed	0:1387ff3eed4a	1605	return WC_PENDING_E;
sPymbed	0:1387ff3eed4a	1606	}
sPymbed	0:1387ff3eed4a	1607	#endif
sPymbed	0:1387ff3eed4a	1608	}
sPymbed	0:1387ff3eed4a	1609	#endif /* WOLFSSL_ASYNC_CRYPT */
sPymbed	0:1387ff3eed4a	1610
sPymbed	0:1387ff3eed4a	1611	blocks = sz / DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1612	while (blocks--) {
sPymbed	0:1387ff3eed4a	1613	xorbuf((byte*)des->reg, in, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	1614	Des3ProcessBlock(des, (byte)des->reg, (byte)des->reg);
sPymbed	0:1387ff3eed4a	1615	XMEMCPY(out, des->reg, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	1616
sPymbed	0:1387ff3eed4a	1617	out += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1618	in += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1619	}
sPymbed	0:1387ff3eed4a	1620	return 0;
sPymbed	0:1387ff3eed4a	1621	}
sPymbed	0:1387ff3eed4a	1622
sPymbed	0:1387ff3eed4a	1623
sPymbed	0:1387ff3eed4a	1624	int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	1625	{
sPymbed	0:1387ff3eed4a	1626	word32 blocks;
sPymbed	0:1387ff3eed4a	1627
sPymbed	0:1387ff3eed4a	1628	if (des == NULL \|\| out == NULL \|\| in == NULL) {
sPymbed	0:1387ff3eed4a	1629	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	1630	}
sPymbed	0:1387ff3eed4a	1631
sPymbed	0:1387ff3eed4a	1632	#if defined(WOLFSSL_ASYNC_CRYPT)
sPymbed	0:1387ff3eed4a	1633	if (des->asyncDev.marker == WOLFSSL_ASYNC_MARKER_3DES &&
sPymbed	0:1387ff3eed4a	1634	sz >= WC_ASYNC_THRESH_DES3_CBC) {
sPymbed	0:1387ff3eed4a	1635	#if defined(HAVE_CAVIUM)
sPymbed	0:1387ff3eed4a	1636	return NitroxDes3CbcDecrypt(des, out, in, sz);
sPymbed	0:1387ff3eed4a	1637	#elif defined(HAVE_INTEL_QA)
sPymbed	0:1387ff3eed4a	1638	return IntelQaSymDes3CbcDecrypt(&des->asyncDev, out, in, sz,
sPymbed	0:1387ff3eed4a	1639	des->key_raw, DES3_KEYLEN, (byte*)des->iv_raw, DES3_IVLEN);
sPymbed	0:1387ff3eed4a	1640	#else /* WOLFSSL_ASYNC_CRYPT_TEST */
sPymbed	0:1387ff3eed4a	1641	if (wc_AsyncTestInit(&des->asyncDev, ASYNC_TEST_DES3_CBC_DECRYPT)) {
sPymbed	0:1387ff3eed4a	1642	WC_ASYNC_TEST* testDev = &des->asyncDev.test;
sPymbed	0:1387ff3eed4a	1643	testDev->des.des = des;
sPymbed	0:1387ff3eed4a	1644	testDev->des.out = out;
sPymbed	0:1387ff3eed4a	1645	testDev->des.in = in;
sPymbed	0:1387ff3eed4a	1646	testDev->des.sz = sz;
sPymbed	0:1387ff3eed4a	1647	return WC_PENDING_E;
sPymbed	0:1387ff3eed4a	1648	}
sPymbed	0:1387ff3eed4a	1649	#endif
sPymbed	0:1387ff3eed4a	1650	}
sPymbed	0:1387ff3eed4a	1651	#endif /* WOLFSSL_ASYNC_CRYPT */
sPymbed	0:1387ff3eed4a	1652
sPymbed	0:1387ff3eed4a	1653	blocks = sz / DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1654	while (blocks--) {
sPymbed	0:1387ff3eed4a	1655	XMEMCPY(des->tmp, in, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	1656	Des3ProcessBlock(des, (byte*)des->tmp, out);
sPymbed	0:1387ff3eed4a	1657	xorbuf(out, (byte*)des->reg, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	1658	XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	1659
sPymbed	0:1387ff3eed4a	1660	out += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1661	in += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1662	}
sPymbed	0:1387ff3eed4a	1663	return 0;
sPymbed	0:1387ff3eed4a	1664	}
sPymbed	0:1387ff3eed4a	1665
sPymbed	0:1387ff3eed4a	1666	#ifdef WOLFSSL_DES_ECB
sPymbed	0:1387ff3eed4a	1667	/* One block, compatibility only */
sPymbed	0:1387ff3eed4a	1668	int wc_Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	1669	{
sPymbed	0:1387ff3eed4a	1670	word32 blocks = sz / DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1671
sPymbed	0:1387ff3eed4a	1672	if (des == NULL \|\| out == NULL \|\| in == NULL) {
sPymbed	0:1387ff3eed4a	1673	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	1674	}
sPymbed	0:1387ff3eed4a	1675
sPymbed	0:1387ff3eed4a	1676	while (blocks--) {
sPymbed	0:1387ff3eed4a	1677	DesProcessBlock(des, in, out);
sPymbed	0:1387ff3eed4a	1678
sPymbed	0:1387ff3eed4a	1679	out += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1680	in += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1681	}
sPymbed	0:1387ff3eed4a	1682	return 0;
sPymbed	0:1387ff3eed4a	1683	}
sPymbed	0:1387ff3eed4a	1684
sPymbed	0:1387ff3eed4a	1685	int wc_Des3_EcbEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
sPymbed	0:1387ff3eed4a	1686	{
sPymbed	0:1387ff3eed4a	1687	word32 blocks = sz / DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1688
sPymbed	0:1387ff3eed4a	1689	if (des == NULL \|\| out == NULL \|\| in == NULL) {
sPymbed	0:1387ff3eed4a	1690	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	1691	}
sPymbed	0:1387ff3eed4a	1692
sPymbed	0:1387ff3eed4a	1693	while (blocks--) {
sPymbed	0:1387ff3eed4a	1694	Des3ProcessBlock(des, in, out);
sPymbed	0:1387ff3eed4a	1695
sPymbed	0:1387ff3eed4a	1696	out += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1697	in += DES_BLOCK_SIZE;
sPymbed	0:1387ff3eed4a	1698	}
sPymbed	0:1387ff3eed4a	1699	return 0;
sPymbed	0:1387ff3eed4a	1700	}
sPymbed	0:1387ff3eed4a	1701	#endif /* WOLFSSL_DES_ECB */
sPymbed	0:1387ff3eed4a	1702
sPymbed	0:1387ff3eed4a	1703	#endif /* NEED_SOFT_DES */
sPymbed	0:1387ff3eed4a	1704
sPymbed	0:1387ff3eed4a	1705
sPymbed	0:1387ff3eed4a	1706	void wc_Des_SetIV(Des* des, const byte* iv)
sPymbed	0:1387ff3eed4a	1707	{
sPymbed	0:1387ff3eed4a	1708	if (des && iv)
sPymbed	0:1387ff3eed4a	1709	XMEMCPY(des->reg, iv, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	1710	else if (des)
sPymbed	0:1387ff3eed4a	1711	XMEMSET(des->reg, 0, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	1712	}
sPymbed	0:1387ff3eed4a	1713
sPymbed	0:1387ff3eed4a	1714	int wc_Des3_SetIV(Des3* des, const byte* iv)
sPymbed	0:1387ff3eed4a	1715	{
sPymbed	0:1387ff3eed4a	1716	if (des == NULL) {
sPymbed	0:1387ff3eed4a	1717	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	1718	}
sPymbed	0:1387ff3eed4a	1719	if (des && iv)
sPymbed	0:1387ff3eed4a	1720	XMEMCPY(des->reg, iv, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	1721	else if (des)
sPymbed	0:1387ff3eed4a	1722	XMEMSET(des->reg, 0, DES_BLOCK_SIZE);
sPymbed	0:1387ff3eed4a	1723
sPymbed	0:1387ff3eed4a	1724	return 0;
sPymbed	0:1387ff3eed4a	1725	}
sPymbed	0:1387ff3eed4a	1726
sPymbed	0:1387ff3eed4a	1727
sPymbed	0:1387ff3eed4a	1728	/* Initialize Des3 for use with async device */
sPymbed	0:1387ff3eed4a	1729	int wc_Des3Init(Des3* des3, void* heap, int devId)
sPymbed	0:1387ff3eed4a	1730	{
sPymbed	0:1387ff3eed4a	1731	int ret = 0;
sPymbed	0:1387ff3eed4a	1732	if (des3 == NULL)
sPymbed	0:1387ff3eed4a	1733	return BAD_FUNC_ARG;
sPymbed	0:1387ff3eed4a	1734
sPymbed	0:1387ff3eed4a	1735	des3->heap = heap;
sPymbed	0:1387ff3eed4a	1736
sPymbed	0:1387ff3eed4a	1737	#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_3DES)
sPymbed	0:1387ff3eed4a	1738	ret = wolfAsync_DevCtxInit(&des3->asyncDev, WOLFSSL_ASYNC_MARKER_3DES,
sPymbed	0:1387ff3eed4a	1739	des3->heap, devId);
sPymbed	0:1387ff3eed4a	1740	#else
sPymbed	0:1387ff3eed4a	1741	(void)devId;
sPymbed	0:1387ff3eed4a	1742	#endif
sPymbed	0:1387ff3eed4a	1743
sPymbed	0:1387ff3eed4a	1744	return ret;
sPymbed	0:1387ff3eed4a	1745	}
sPymbed	0:1387ff3eed4a	1746
sPymbed	0:1387ff3eed4a	1747	/* Free Des3 from use with async device */
sPymbed	0:1387ff3eed4a	1748	void wc_Des3Free(Des3* des3)
sPymbed	0:1387ff3eed4a	1749	{
sPymbed	0:1387ff3eed4a	1750	if (des3 == NULL)
sPymbed	0:1387ff3eed4a	1751	return;
sPymbed	0:1387ff3eed4a	1752
sPymbed	0:1387ff3eed4a	1753	#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_3DES)
sPymbed	0:1387ff3eed4a	1754	wolfAsync_DevCtxFree(&des3->asyncDev, WOLFSSL_ASYNC_MARKER_3DES);
sPymbed	0:1387ff3eed4a	1755	#endif /* WOLFSSL_ASYNC_CRYPT */
sPymbed	0:1387ff3eed4a	1756	}
sPymbed	0:1387ff3eed4a	1757
sPymbed	0:1387ff3eed4a	1758	#endif /* WOLFSSL_TI_CRYPT */
sPymbed	0:1387ff3eed4a	1759	#endif /* HAVE_FIPS */
sPymbed	0:1387ff3eed4a	1760	#endif /* NO_DES3 */
sPymbed	0:1387ff3eed4a	1761

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Type:	Library
Created:	20 Nov 2019
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