Xuyi Wang
/
wolfSSL
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Diff: wolfcrypt/src/des3.c
- Revision:
- 3:6f956bdb3073
- Parent:
- 2:28278596c2a2
- Child:
- 4:1b0d80432c79
diff -r 28278596c2a2 -r 6f956bdb3073 wolfcrypt/src/des3.c
--- a/wolfcrypt/src/des3.c Tue Jul 21 11:37:09 2015 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1679 +0,0 @@
-/* des3.c
- *
- * Copyright (C) 2006-2015 wolfSSL Inc.
- *
- * This file is part of wolfSSL. (formerly known as CyaSSL)
- *
- * wolfSSL is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * wolfSSL is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
- */
-
-#ifdef HAVE_CONFIG_H
- #include <config.h>
-#endif
-
-#include <wolfssl/wolfcrypt/settings.h>
-
-#ifndef NO_DES3
-
-#include <wolfssl/wolfcrypt/des3.h>
-
-#ifdef HAVE_FIPS
-#ifdef HAVE_CAVIUM
- static int wc_Des3_CaviumSetKey(Des3* des3, const byte* key, const byte* iv);
- static int wc_Des3_CaviumCbcEncrypt(Des3* des3, byte* out, const byte* in,
- word32 length);
- static int wc_Des3_CaviumCbcDecrypt(Des3* des3, byte* out, const byte* in,
- word32 length);
-#endif
-
-int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
-{
- return Des_SetKey(des, key, iv, dir);
-}
-
-
-int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
-{
- return Des3_SetKey_fips(des, key, iv, dir);
-}
-
-
-int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
-{
- return Des_CbcEncrypt(des, out, in, sz);
-}
-
-
-int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
-{
- return Des_CbcDecrypt(des, out, in, sz);
-}
-
-
-int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
-{
- return Des3_CbcEncrypt_fips(des, out, in, sz);
-}
-
-
-int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
-{
- return Des3_CbcDecrypt_fips(des, out, in, sz);
-}
-
-
-#ifdef WOLFSSL_DES_ECB
-
-/* One block, compatibility only */
-int wc_Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
-{
- return Des_EcbEncrypt(des, out, in, sz);
-}
-
-#endif /* WOLFSSL_DES_ECB */
-
-
-void wc_Des_SetIV(Des* des, const byte* iv)
-{
- Des_SetIV(des, iv);
-}
-
-
-int wc_Des_CbcDecryptWithKey(byte* out, const byte* in, word32 sz,
- const byte* key, const byte* iv)
-{
- return Des_CbcDecryptWithKey(out, in, sz, key, iv);
-}
-
-
-int wc_Des3_SetIV(Des3* des, const byte* iv)
-{
- return Des3_SetIV_fips(des, iv);
-}
-
-
-int wc_Des3_CbcDecryptWithKey(byte* out, const byte* in, word32 sz,
- const byte* key, const byte* iv)
-{
- return Des3_CbcDecryptWithKey(out, in, sz, key, iv);
-}
-
-
-#ifdef HAVE_CAVIUM
-
-/* Initiliaze Des3 for use with Nitrox device */
-int wc_Des3_InitCavium(Des3* des3, int devId)
-{
- return Des3_InitCavium(des3, devId);
-}
-
-
-/* Free Des3 from use with Nitrox device */
-void wc_Des3_FreeCavium(Des3* des3)
-{
- Des3_FreeCavium(des3);
-}
-
-
-#endif /* HAVE_CAVIUM */
-#else /* build without fips */
-
-#if defined(WOLFSSL_TI_CRYPT)
- #include <wolfcrypt/src/port/ti/ti-des3.c>
-#else
-
-#include <wolfssl/wolfcrypt/error-crypt.h>
-#include <wolfssl/wolfcrypt/logging.h>
-
-#ifdef NO_INLINE
- #include <wolfssl/wolfcrypt/misc.h>
-#else
- #include <wolfcrypt/src/misc.c>
-#endif
-
-
-#ifdef HAVE_CAVIUM
- static int wc_Des3_CaviumSetKey(Des3* des3, const byte* key, const byte* iv);
- static int wc_Des3_CaviumCbcEncrypt(Des3* des3, byte* out, const byte* in,
- word32 length);
- static int wc_Des3_CaviumCbcDecrypt(Des3* des3, byte* out, const byte* in,
- word32 length);
-#endif
-
-
-
-
-#ifdef STM32F2_CRYPTO
- /*
- * STM32F2 hardware DES/3DES support through the STM32F2 standard
- * peripheral library. Documentation located in STM32F2xx Standard
- * Peripheral Library document (See note in README).
- */
- #include "stm32f2xx.h"
- #include "stm32f2xx_cryp.h"
-
- int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
- {
- word32 *dkey = des->key;
-
- XMEMCPY(dkey, key, 8);
- ByteReverseWords(dkey, dkey, 8);
-
- wc_Des_SetIV(des, iv);
-
- return 0;
- }
-
- int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
- {
- word32 *dkey1 = des->key[0];
- word32 *dkey2 = des->key[1];
- word32 *dkey3 = des->key[2];
-
- XMEMCPY(dkey1, key, 8); /* set key 1 */
- XMEMCPY(dkey2, key + 8, 8); /* set key 2 */
- XMEMCPY(dkey3, key + 16, 8); /* set key 3 */
-
- ByteReverseWords(dkey1, dkey1, 8);
- ByteReverseWords(dkey2, dkey2, 8);
- ByteReverseWords(dkey3, dkey3, 8);
-
- return wc_Des3_SetIV(des, iv);
- }
-
- void DesCrypt(Des* des, byte* out, const byte* in, word32 sz,
- int dir, int mode)
- {
- word32 *dkey, *iv;
- CRYP_InitTypeDef DES_CRYP_InitStructure;
- CRYP_KeyInitTypeDef DES_CRYP_KeyInitStructure;
- CRYP_IVInitTypeDef DES_CRYP_IVInitStructure;
-
- dkey = des->key;
- iv = des->reg;
-
- /* crypto structure initialization */
- CRYP_KeyStructInit(&DES_CRYP_KeyInitStructure);
- CRYP_StructInit(&DES_CRYP_InitStructure);
- CRYP_IVStructInit(&DES_CRYP_IVInitStructure);
-
- /* reset registers to their default values */
- CRYP_DeInit();
-
- /* set direction, mode, and datatype */
- if (dir == DES_ENCRYPTION) {
- DES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Encrypt;
- } else { /* DES_DECRYPTION */
- DES_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Decrypt;
- }
-
- if (mode == DES_CBC) {
- DES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_DES_CBC;
- } else { /* DES_ECB */
- DES_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_DES_ECB;
- }
-
- DES_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_8b;
- CRYP_Init(&DES_CRYP_InitStructure);
-
- /* load key into correct registers */
- DES_CRYP_KeyInitStructure.CRYP_Key1Left = dkey[0];
- DES_CRYP_KeyInitStructure.CRYP_Key1Right = dkey[1];
- CRYP_KeyInit(&DES_CRYP_KeyInitStructure);
-
- /* set iv */
- ByteReverseWords(iv, iv, DES_BLOCK_SIZE);
- DES_CRYP_IVInitStructure.CRYP_IV0Left = iv[0];
- DES_CRYP_IVInitStructure.CRYP_IV0Right = iv[1];
- CRYP_IVInit(&DES_CRYP_IVInitStructure);
-
- /* enable crypto processor */
- CRYP_Cmd(ENABLE);
-
- while (sz > 0)
- {
- /* flush IN/OUT FIFOs */
- CRYP_FIFOFlush();
-
- /* if input and output same will overwrite input iv */
- XMEMCPY(des->tmp, in + sz - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
-
- CRYP_DataIn(*(uint32_t*)&in[0]);
- CRYP_DataIn(*(uint32_t*)&in[4]);
-
- /* wait until the complete message has been processed */
- while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
-
- *(uint32_t*)&out[0] = CRYP_DataOut();
- *(uint32_t*)&out[4] = CRYP_DataOut();
-
- /* store iv for next call */
- XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);
-
- sz -= DES_BLOCK_SIZE;
- in += DES_BLOCK_SIZE;
- out += DES_BLOCK_SIZE;
- }
-
- /* disable crypto processor */
- CRYP_Cmd(DISABLE);
- }
-
- int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
- {
- DesCrypt(des, out, in, sz, DES_ENCRYPTION, DES_CBC);
- return 0;
- }
-
- int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
- {
- DesCrypt(des, out, in, sz, DES_DECRYPTION, DES_CBC);
- return 0;
- }
-
- int wc_Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
- {
- DesCrypt(des, out, in, sz, DES_ENCRYPTION, DES_ECB);
- return 0;
- }
-
- void Des3Crypt(Des3* des, byte* out, const byte* in, word32 sz,
- int dir)
- {
- word32 *dkey1, *dkey2, *dkey3, *iv;
- CRYP_InitTypeDef DES3_CRYP_InitStructure;
- CRYP_KeyInitTypeDef DES3_CRYP_KeyInitStructure;
- CRYP_IVInitTypeDef DES3_CRYP_IVInitStructure;
-
- dkey1 = des->key[0];
- dkey2 = des->key[1];
- dkey3 = des->key[2];
- iv = des->reg;
-
- /* crypto structure initialization */
- CRYP_KeyStructInit(&DES3_CRYP_KeyInitStructure);
- CRYP_StructInit(&DES3_CRYP_InitStructure);
- CRYP_IVStructInit(&DES3_CRYP_IVInitStructure);
-
- /* reset registers to their default values */
- CRYP_DeInit();
-
- /* set direction, mode, and datatype */
- if (dir == DES_ENCRYPTION) {
- DES3_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Encrypt;
- } else {
- DES3_CRYP_InitStructure.CRYP_AlgoDir = CRYP_AlgoDir_Decrypt;
- }
-
- DES3_CRYP_InitStructure.CRYP_AlgoMode = CRYP_AlgoMode_TDES_CBC;
- DES3_CRYP_InitStructure.CRYP_DataType = CRYP_DataType_8b;
- CRYP_Init(&DES3_CRYP_InitStructure);
-
- /* load key into correct registers */
- DES3_CRYP_KeyInitStructure.CRYP_Key1Left = dkey1[0];
- DES3_CRYP_KeyInitStructure.CRYP_Key1Right = dkey1[1];
- DES3_CRYP_KeyInitStructure.CRYP_Key2Left = dkey2[0];
- DES3_CRYP_KeyInitStructure.CRYP_Key2Right = dkey2[1];
- DES3_CRYP_KeyInitStructure.CRYP_Key3Left = dkey3[0];
- DES3_CRYP_KeyInitStructure.CRYP_Key3Right = dkey3[1];
- CRYP_KeyInit(&DES3_CRYP_KeyInitStructure);
-
- /* set iv */
- ByteReverseWords(iv, iv, DES_BLOCK_SIZE);
- DES3_CRYP_IVInitStructure.CRYP_IV0Left = iv[0];
- DES3_CRYP_IVInitStructure.CRYP_IV0Right = iv[1];
- CRYP_IVInit(&DES3_CRYP_IVInitStructure);
-
- /* enable crypto processor */
- CRYP_Cmd(ENABLE);
-
- while (sz > 0)
- {
- /* flush IN/OUT FIFOs */
- CRYP_FIFOFlush();
-
- CRYP_DataIn(*(uint32_t*)&in[0]);
- CRYP_DataIn(*(uint32_t*)&in[4]);
-
- /* wait until the complete message has been processed */
- while(CRYP_GetFlagStatus(CRYP_FLAG_BUSY) != RESET) {}
-
- *(uint32_t*)&out[0] = CRYP_DataOut();
- *(uint32_t*)&out[4] = CRYP_DataOut();
-
- /* store iv for next call */
- XMEMCPY(des->reg, out + sz - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
-
- sz -= DES_BLOCK_SIZE;
- in += DES_BLOCK_SIZE;
- out += DES_BLOCK_SIZE;
- }
-
- /* disable crypto processor */
- CRYP_Cmd(DISABLE);
-
- }
-
- int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
- {
- Des3Crypt(des, out, in, sz, DES_ENCRYPTION);
- return 0;
- }
-
- int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
- {
- Des3Crypt(des, out, in, sz, DES_DECRYPTION);
- return 0;
- }
-
-#elif defined(HAVE_COLDFIRE_SEC)
-
-#include <wolfssl/ctaocrypt/types.h>
-
-#include "sec.h"
-#include "mcf5475_sec.h"
-#include "mcf5475_siu.h"
-
-#if defined (HAVE_THREADX)
-#include "memory_pools.h"
-extern TX_BYTE_POOL mp_ncached; /* Non Cached memory pool */
-#endif
-
-#define DES_BUFFER_SIZE (DES_BLOCK_SIZE * 64)
-static unsigned char *desBuffIn = NULL ;
-static unsigned char *desBuffOut = NULL ;
-static byte *secIV ;
-static byte *secKey ;
-static volatile SECdescriptorType *secDesc ;
-
-static wolfSSL_Mutex Mutex_DesSEC ;
-
-#define SEC_DESC_DES_CBC_ENCRYPT 0x20500010
-#define SEC_DESC_DES_CBC_DECRYPT 0x20400010
-#define SEC_DESC_DES3_CBC_ENCRYPT 0x20700010
-#define SEC_DESC_DES3_CBC_DECRYPT 0x20600010
-
-#define DES_IVLEN 8
-#define DES_KEYLEN 8
-#define DES3_IVLEN 8
-#define DES3_KEYLEN 24
-
-extern volatile unsigned char __MBAR[];
-
-static void wc_Des_Cbc(byte* out, const byte* in, word32 sz,
- byte *key, byte *iv, word32 desc)
-{
- #ifdef DEBUG_WOLFSSL
- int ret ; int stat1,stat2 ;
- #endif
- int size ;
- volatile int v ;
-
- LockMutex(&Mutex_DesSEC) ;
-
- secDesc->length1 = 0x0;
- secDesc->pointer1 = NULL;
- if((desc==SEC_DESC_DES_CBC_ENCRYPT)||(desc==SEC_DESC_DES_CBC_DECRYPT)){
- secDesc->length2 = DES_IVLEN ;
- secDesc->length3 = DES_KEYLEN ;
- } else {
- secDesc->length2 = DES3_IVLEN ;
- secDesc->length3 = DES3_KEYLEN ;
- }
- secDesc->pointer2 = secIV ;
- secDesc->pointer3 = secKey;
- secDesc->pointer4 = desBuffIn ;
- secDesc->pointer5 = desBuffOut ;
- secDesc->length6 = 0;
- secDesc->pointer6 = NULL;
- secDesc->length7 = 0x0;
- secDesc->pointer7 = NULL;
- secDesc->nextDescriptorPtr = NULL ;
-
- while(sz) {
- XMEMCPY(secIV, iv, secDesc->length2) ;
- if((sz%DES_BUFFER_SIZE) == sz) {
- size = sz ;
- sz = 0 ;
- } else {
- size = DES_BUFFER_SIZE ;
- sz -= DES_BUFFER_SIZE ;
- }
-
- XMEMCPY(desBuffIn, in, size) ;
- XMEMCPY(secKey, key, secDesc->length3) ;
-
- secDesc->header = desc ;
- secDesc->length4 = size;
- secDesc->length5 = size;
- /* Point SEC to the location of the descriptor */
- MCF_SEC_FR0 = (uint32)secDesc;
- /* Initialize SEC and wait for encryption to complete */
- MCF_SEC_CCCR0 = 0x0000001a;
- /* poll SISR to determine when channel is complete */
- v=0 ;
- while((secDesc->header>> 24) != 0xff) {
- if(v++ > 1000)break ;
- }
-
-#ifdef DEBUG_WOLFSSL
- ret = MCF_SEC_SISRH;
- stat1 = MCF_SEC_DSR ;
- stat2 = MCF_SEC_DISR ;
- if(ret & 0xe0000000) {
- /* db_printf("Des_Cbc(%x):ISRH=%08x, DSR=%08x, DISR=%08x\n", desc, ret, stat1, stat2) ; */
- }
-#endif
-
- XMEMCPY(out, desBuffOut, size) ;
-
- if((desc==SEC_DESC_DES3_CBC_ENCRYPT)||(desc==SEC_DESC_DES_CBC_ENCRYPT)) {
- XMEMCPY((void*)iv, (void*)&(out[size-secDesc->length2]), secDesc->length2) ;
- } else {
- XMEMCPY((void*)iv, (void*)&(in[size-secDesc->length2]), secDesc->length2) ;
- }
-
- in += size ;
- out += size ;
-
- }
- UnLockMutex(&Mutex_DesSEC) ;
-
-}
-
-
-int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
-{
- wc_Des_Cbc(out, in, sz, (byte *)des->key, (byte *)des->reg, SEC_DESC_DES_CBC_ENCRYPT) ;
- return 0;
-}
-
-int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
-{
- wc_Des_Cbc(out, in, sz, (byte *)des->key, (byte *)des->reg, SEC_DESC_DES_CBC_DECRYPT) ;
- return 0;
-}
-
-int wc_Des3_CbcEncrypt(Des3* des3, byte* out, const byte* in, word32 sz)
-{
- wc_Des_Cbc(out, in, sz, (byte *)des3->key, (byte *)des3->reg, SEC_DESC_DES3_CBC_ENCRYPT) ;
- return 0;
-}
-
-
-int wc_Des3_CbcDecrypt(Des3* des3, byte* out, const byte* in, word32 sz)
-{
- wc_Des_Cbc(out, in, sz, (byte *)des3->key, (byte *)des3->reg, SEC_DESC_DES3_CBC_DECRYPT) ;
- return 0;
-}
-
-static void setParity(byte *buf, int len)
-{
- int i, j ;
- byte v ;
- int bits ;
-
- for(i=0; i<len; i++)
- {
- v = buf[i] >> 1 ;
- buf[i] = v << 1 ;
- bits = 0 ;
- for(j=0; j<7; j++)
- {
- bits += (v&0x1) ;
- v = v >> 1 ;
- }
- buf[i] |= (1 - (bits&0x1)) ;
- }
-
-}
-
-
-int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
-{
- if(desBuffIn == NULL) {
- #if defined (HAVE_THREADX)
- int s1, s2, s3, s4, s5 ;
- s5 = tx_byte_allocate(&mp_ncached,(void *)&secDesc,
- sizeof(SECdescriptorType), TX_NO_WAIT);
- s1 = tx_byte_allocate(&mp_ncached,(void *)&desBuffIn, DES_BUFFER_SIZE, TX_NO_WAIT);
- s2 = tx_byte_allocate(&mp_ncached,(void *)&desBuffOut, DES_BUFFER_SIZE, TX_NO_WAIT);
- /* Don't know des or des3 to be used. Allocate larger buffers */
- s3 = tx_byte_allocate(&mp_ncached,(void *)&secKey, DES3_KEYLEN,TX_NO_WAIT);
- s4 = tx_byte_allocate(&mp_ncached,(void *)&secIV, DES3_IVLEN, TX_NO_WAIT);
- #else
- #warning "Allocate non-Cache buffers"
- #endif
-
- InitMutex(&Mutex_DesSEC) ;
- }
-
- XMEMCPY(des->key, key, DES_KEYLEN);
- setParity((byte *)des->key, DES_KEYLEN) ;
-
- if (iv) {
- XMEMCPY(des->reg, iv, DES_IVLEN);
- } else {
- XMEMSET(des->reg, 0x0, DES_IVLEN) ;
- }
- return 0;
-}
-
-int wc_Des3_SetKey(Des3* des3, const byte* key, const byte* iv, int dir)
-{
-
- if(desBuffIn == NULL) {
- #if defined (HAVE_THREADX)
- int s1, s2, s3, s4, s5 ;
- s5 = tx_byte_allocate(&mp_ncached,(void *)&secDesc,
- sizeof(SECdescriptorType), TX_NO_WAIT);
- s1 = tx_byte_allocate(&mp_ncached,(void *)&desBuffIn, DES_BUFFER_SIZE, TX_NO_WAIT);
- s2 = tx_byte_allocate(&mp_ncached,(void *)&desBuffOut, DES_BUFFER_SIZE, TX_NO_WAIT);
- s3 = tx_byte_allocate(&mp_ncached,(void *)&secKey, DES3_KEYLEN,TX_NO_WAIT);
- s4 = tx_byte_allocate(&mp_ncached,(void *)&secIV, DES3_IVLEN, TX_NO_WAIT);
- #else
- #warning "Allocate non-Cache buffers"
- #endif
-
- InitMutex(&Mutex_DesSEC) ;
- }
-
- XMEMCPY(des3->key[0], key, DES3_KEYLEN);
- setParity((byte *)des3->key[0], DES3_KEYLEN) ;
-
- if (iv) {
- XMEMCPY(des3->reg, iv, DES3_IVLEN);
- } else {
- XMEMSET(des3->reg, 0x0, DES3_IVLEN) ;
- }
- return 0;
-
-}
-
-#elif defined FREESCALE_MMCAU
- /*
- * Freescale mmCAU hardware DES/3DES support through the CAU/mmCAU library.
- * Documentation located in ColdFire/ColdFire+ CAU and Kinetis mmCAU
- * Software Library User Guide (See note in README).
- */
- #include "cau_api.h"
-
- const unsigned char parityLookup[128] =
- {
- 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,
- 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,
- 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,
- 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
- };
-
- int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
- {
- int i = 0;
- byte* dkey = (byte*)des->key;
-
- XMEMCPY(dkey, key, 8);
-
- wc_Des_SetIV(des, iv);
-
- /* fix key parity, if needed */
- for (i = 0; i < 8; i++) {
- dkey[i] = ((dkey[i] & 0xFE) | parityLookup[dkey[i] >> 1]);
- }
-
- return 0;
- }
-
- int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
- {
- int i = 0, ret = 0;
- byte* dkey1 = (byte*)des->key[0];
- byte* dkey2 = (byte*)des->key[1];
- byte* dkey3 = (byte*)des->key[2];
-
- XMEMCPY(dkey1, key, 8); /* set key 1 */
- XMEMCPY(dkey2, key + 8, 8); /* set key 2 */
- XMEMCPY(dkey3, key + 16, 8); /* set key 3 */
-
- ret = wc_Des3_SetIV(des, iv);
- if (ret != 0)
- return ret;
-
- /* fix key parity if needed */
- for (i = 0; i < 8; i++)
- dkey1[i] = ((dkey1[i] & 0xFE) | parityLookup[dkey1[i] >> 1]);
-
- for (i = 0; i < 8; i++)
- dkey2[i] = ((dkey2[i] & 0xFE) | parityLookup[dkey2[i] >> 1]);
-
- for (i = 0; i < 8; i++)
- dkey3[i] = ((dkey3[i] & 0xFE) | parityLookup[dkey3[i] >> 1]);
-
- return ret;
- }
-
- int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
- {
- int i;
- int offset = 0;
- int len = sz;
- byte *iv;
- byte temp_block[DES_BLOCK_SIZE];
-
- iv = (byte*)des->reg;
-
- if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
- WOLFSSL_MSG("Bad cau_des_encrypt alignment");
- return BAD_ALIGN_E;
- }
-
- while (len > 0)
- {
- XMEMCPY(temp_block, in + offset, DES_BLOCK_SIZE);
-
- /* XOR block with IV for CBC */
- for (i = 0; i < DES_BLOCK_SIZE; i++)
- temp_block[i] ^= iv[i];
-
- cau_des_encrypt(temp_block, (byte*)des->key, out + offset);
-
- len -= DES_BLOCK_SIZE;
- offset += DES_BLOCK_SIZE;
-
- /* store IV for next block */
- XMEMCPY(iv, out + offset - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
- }
-
- return 0;
- }
-
- int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
- {
- int i;
- int offset = 0;
- int len = sz;
- byte* iv;
- byte temp_block[DES_BLOCK_SIZE];
-
- iv = (byte*)des->reg;
-
- if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
- WOLFSSL_MSG("Bad cau_des_decrypt alignment");
- return BAD_ALIGN_E;
- }
-
- while (len > 0)
- {
- XMEMCPY(temp_block, in + offset, DES_BLOCK_SIZE);
-
- cau_des_decrypt(in + offset, (byte*)des->key, out + offset);
-
- /* XOR block with IV for CBC */
- for (i = 0; i < DES_BLOCK_SIZE; i++)
- (out + offset)[i] ^= iv[i];
-
- /* store IV for next block */
- XMEMCPY(iv, temp_block, DES_BLOCK_SIZE);
-
- len -= DES_BLOCK_SIZE;
- offset += DES_BLOCK_SIZE;
- }
-
- return 0;
- }
-
- int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
- {
- int i;
- int offset = 0;
- int len = sz;
-
- byte *iv;
- byte temp_block[DES_BLOCK_SIZE];
-
- iv = (byte*)des->reg;
-
- if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
- WOLFSSL_MSG("Bad 3ede cau_des_encrypt alignment");
- return BAD_ALIGN_E;
- }
-
- while (len > 0)
- {
- XMEMCPY(temp_block, in + offset, DES_BLOCK_SIZE);
-
- /* XOR block with IV for CBC */
- for (i = 0; i < DES_BLOCK_SIZE; i++)
- temp_block[i] ^= iv[i];
-
- cau_des_encrypt(temp_block , (byte*)des->key[0], out + offset);
- cau_des_decrypt(out + offset, (byte*)des->key[1], out + offset);
- cau_des_encrypt(out + offset, (byte*)des->key[2], out + offset);
-
- len -= DES_BLOCK_SIZE;
- offset += DES_BLOCK_SIZE;
-
- /* store IV for next block */
- XMEMCPY(iv, out + offset - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
- }
-
- return 0;
- }
-
- int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
- {
- int i;
- int offset = 0;
- int len = sz;
-
- byte* iv;
- byte temp_block[DES_BLOCK_SIZE];
-
- iv = (byte*)des->reg;
-
- if ((wolfssl_word)out % WOLFSSL_MMCAU_ALIGNMENT) {
- WOLFSSL_MSG("Bad 3ede cau_des_decrypt alignment");
- return BAD_ALIGN_E;
- }
-
- while (len > 0)
- {
- XMEMCPY(temp_block, in + offset, DES_BLOCK_SIZE);
-
- cau_des_decrypt(in + offset , (byte*)des->key[2], out + offset);
- cau_des_encrypt(out + offset, (byte*)des->key[1], out + offset);
- cau_des_decrypt(out + offset, (byte*)des->key[0], out + offset);
-
- /* XOR block with IV for CBC */
- for (i = 0; i < DES_BLOCK_SIZE; i++)
- (out + offset)[i] ^= iv[i];
-
- /* store IV for next block */
- XMEMCPY(iv, temp_block, DES_BLOCK_SIZE);
-
- len -= DES_BLOCK_SIZE;
- offset += DES_BLOCK_SIZE;
- }
-
- return 0;
- }
-
-
-#elif defined(WOLFSSL_PIC32MZ_CRYPT)
-
- #include "wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h"
-
-void wc_Des_SetIV(Des* des, const byte* iv);
-int wc_Des3_SetIV(Des3* des, const byte* iv);
-
- int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
- {
- word32 *dkey = des->key ;
- word32 *dreg = des->reg ;
-
- XMEMCPY((byte *)dkey, (byte *)key, 8);
- ByteReverseWords(dkey, dkey, 8);
- XMEMCPY((byte *)dreg, (byte *)iv, 8);
- ByteReverseWords(dreg, dreg, 8);
-
- return 0;
- }
-
- int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
- {
- word32 *dkey1 = des->key[0];
- word32 *dreg = des->reg ;
-
- XMEMCPY(dkey1, key, 24);
- ByteReverseWords(dkey1, dkey1, 24);
- XMEMCPY(dreg, iv, 8);
- ByteReverseWords(dreg, dreg, 8) ;
-
- return 0;
- }
-
- void DesCrypt(word32 *key, word32 *iv, byte* out, const byte* in, word32 sz,
- int dir, int algo, int cryptoalgo)
- {
- securityAssociation *sa_p ;
- bufferDescriptor *bd_p ;
- const byte *in_p, *in_l ;
- byte *out_p, *out_l ;
- volatile securityAssociation sa __attribute__((aligned (8)));
- volatile bufferDescriptor bd __attribute__((aligned (8)));
- volatile int k ;
-
- /* get uncached address */
-
- in_l = in;
- out_l = out ;
- sa_p = KVA0_TO_KVA1(&sa) ;
- bd_p = KVA0_TO_KVA1(&bd) ;
- in_p = KVA0_TO_KVA1(in_l) ;
- out_p= KVA0_TO_KVA1(out_l);
-
- if(PIC32MZ_IF_RAM(in_p))
- XMEMCPY((void *)in_p, (void *)in, sz);
- XMEMSET((void *)out_p, 0, sz);
-
- /* Set up the Security Association */
- XMEMSET((byte *)KVA0_TO_KVA1(&sa), 0, sizeof(sa));
- sa_p->SA_CTRL.ALGO = algo ;
- sa_p->SA_CTRL.LNC = 1;
- sa_p->SA_CTRL.LOADIV = 1;
- sa_p->SA_CTRL.FB = 1;
- sa_p->SA_CTRL.ENCTYPE = dir ; /* Encryption/Decryption */
- sa_p->SA_CTRL.CRYPTOALGO = cryptoalgo;
- sa_p->SA_CTRL.KEYSIZE = 1 ; /* KEY is 192 bits */
- XMEMCPY((byte *)KVA0_TO_KVA1(&sa.SA_ENCKEY[algo==PIC32_ALGO_TDES ? 2 : 6]),
- (byte *)key, algo==PIC32_ALGO_TDES ? 24 : 8);
- XMEMCPY((byte *)KVA0_TO_KVA1(&sa.SA_ENCIV[2]), (byte *)iv, 8);
-
- XMEMSET((byte *)KVA0_TO_KVA1(&bd), 0, sizeof(bd));
- /* Set up the Buffer Descriptor */
- bd_p->BD_CTRL.BUFLEN = sz;
- bd_p->BD_CTRL.LIFM = 1;
- bd_p->BD_CTRL.SA_FETCH_EN = 1;
- bd_p->BD_CTRL.LAST_BD = 1;
- bd_p->BD_CTRL.DESC_EN = 1;
-
- bd_p->SA_ADDR = (unsigned int)KVA_TO_PA(&sa) ; /* (unsigned int)sa_p; */
- bd_p->SRCADDR = (unsigned int)KVA_TO_PA(in) ; /* (unsigned int)in_p; */
- bd_p->DSTADDR = (unsigned int)KVA_TO_PA(out); /* (unsigned int)out_p; */
- bd_p->NXTPTR = (unsigned int)KVA_TO_PA(&bd);
- bd_p->MSGLEN = sz ;
-
- /* Fire in the hole! */
- CECON = 1 << 6;
- while (CECON);
-
- /* Run the engine */
- CEBDPADDR = (unsigned int)KVA_TO_PA(&bd) ; /* (unsigned int)bd_p ; */
- CEINTEN = 0x07;
- CECON = 0x27;
-
- WAIT_ENGINE ;
-
- if((cryptoalgo == PIC32_CRYPTOALGO_CBC) ||
- (cryptoalgo == PIC32_CRYPTOALGO_TCBC)||
- (cryptoalgo == PIC32_CRYPTOALGO_RCBC)) {
- /* set iv for the next call */
- if(dir == PIC32_ENCRYPTION) {
- XMEMCPY((void *)iv, (void*)&(out_p[sz-DES_IVLEN]), DES_IVLEN) ;
- } else {
- ByteReverseWords((word32*)iv, (word32 *)&(in_p[sz-DES_IVLEN]),
- DES_IVLEN);
- }
-
- }
-
- ByteReverseWords((word32*)out, (word32 *)KVA0_TO_KVA1(out), sz);
- }
-
- int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
- {
- DesCrypt(des->key, des->reg, out, in, sz,
- PIC32_ENCRYPTION, PIC32_ALGO_DES, PIC32_CRYPTOALGO_CBC );
- return 0;
- }
-
- int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
- {
- DesCrypt(des->key, des->reg, out, in, sz,
- PIC32_DECRYPTION, PIC32_ALGO_DES, PIC32_CRYPTOALGO_CBC);
- return 0;
- }
-
- int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
- {
- DesCrypt(des->key[0], des->reg, out, in, sz,
- PIC32_ENCRYPTION, PIC32_ALGO_TDES, PIC32_CRYPTOALGO_TCBC);
- return 0;
- }
-
- int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
- {
- DesCrypt(des->key[0], des->reg, out, in, sz,
- PIC32_DECRYPTION, PIC32_ALGO_TDES, PIC32_CRYPTOALGO_TCBC);
- return 0;
- }
-
-#else /* CTaoCrypt software implementation */
-
-/* permuted choice table (key) */
-static const byte pc1[] = {
- 57, 49, 41, 33, 25, 17, 9,
- 1, 58, 50, 42, 34, 26, 18,
- 10, 2, 59, 51, 43, 35, 27,
- 19, 11, 3, 60, 52, 44, 36,
-
- 63, 55, 47, 39, 31, 23, 15,
- 7, 62, 54, 46, 38, 30, 22,
- 14, 6, 61, 53, 45, 37, 29,
- 21, 13, 5, 28, 20, 12, 4
-};
-
-/* number left rotations of pc1 */
-static const byte totrot[] = {
- 1,2,4,6,8,10,12,14,15,17,19,21,23,25,27,28
-};
-
-/* permuted choice key (table) */
-static const byte pc2[] = {
- 14, 17, 11, 24, 1, 5,
- 3, 28, 15, 6, 21, 10,
- 23, 19, 12, 4, 26, 8,
- 16, 7, 27, 20, 13, 2,
- 41, 52, 31, 37, 47, 55,
- 30, 40, 51, 45, 33, 48,
- 44, 49, 39, 56, 34, 53,
- 46, 42, 50, 36, 29, 32
-};
-
-/* End of DES-defined tables */
-
-/* bit 0 is left-most in byte */
-static const int bytebit[] = {
- 0200,0100,040,020,010,04,02,01
-};
-
-static const word32 Spbox[8][64] = {
-{
-0x01010400,0x00000000,0x00010000,0x01010404,
-0x01010004,0x00010404,0x00000004,0x00010000,
-0x00000400,0x01010400,0x01010404,0x00000400,
-0x01000404,0x01010004,0x01000000,0x00000004,
-0x00000404,0x01000400,0x01000400,0x00010400,
-0x00010400,0x01010000,0x01010000,0x01000404,
-0x00010004,0x01000004,0x01000004,0x00010004,
-0x00000000,0x00000404,0x00010404,0x01000000,
-0x00010000,0x01010404,0x00000004,0x01010000,
-0x01010400,0x01000000,0x01000000,0x00000400,
-0x01010004,0x00010000,0x00010400,0x01000004,
-0x00000400,0x00000004,0x01000404,0x00010404,
-0x01010404,0x00010004,0x01010000,0x01000404,
-0x01000004,0x00000404,0x00010404,0x01010400,
-0x00000404,0x01000400,0x01000400,0x00000000,
-0x00010004,0x00010400,0x00000000,0x01010004},
-{
-0x80108020,0x80008000,0x00008000,0x00108020,
-0x00100000,0x00000020,0x80100020,0x80008020,
-0x80000020,0x80108020,0x80108000,0x80000000,
-0x80008000,0x00100000,0x00000020,0x80100020,
-0x00108000,0x00100020,0x80008020,0x00000000,
-0x80000000,0x00008000,0x00108020,0x80100000,
-0x00100020,0x80000020,0x00000000,0x00108000,
-0x00008020,0x80108000,0x80100000,0x00008020,
-0x00000000,0x00108020,0x80100020,0x00100000,
-0x80008020,0x80100000,0x80108000,0x00008000,
-0x80100000,0x80008000,0x00000020,0x80108020,
-0x00108020,0x00000020,0x00008000,0x80000000,
-0x00008020,0x80108000,0x00100000,0x80000020,
-0x00100020,0x80008020,0x80000020,0x00100020,
-0x00108000,0x00000000,0x80008000,0x00008020,
-0x80000000,0x80100020,0x80108020,0x00108000},
-{
-0x00000208,0x08020200,0x00000000,0x08020008,
-0x08000200,0x00000000,0x00020208,0x08000200,
-0x00020008,0x08000008,0x08000008,0x00020000,
-0x08020208,0x00020008,0x08020000,0x00000208,
-0x08000000,0x00000008,0x08020200,0x00000200,
-0x00020200,0x08020000,0x08020008,0x00020208,
-0x08000208,0x00020200,0x00020000,0x08000208,
-0x00000008,0x08020208,0x00000200,0x08000000,
-0x08020200,0x08000000,0x00020008,0x00000208,
-0x00020000,0x08020200,0x08000200,0x00000000,
-0x00000200,0x00020008,0x08020208,0x08000200,
-0x08000008,0x00000200,0x00000000,0x08020008,
-0x08000208,0x00020000,0x08000000,0x08020208,
-0x00000008,0x00020208,0x00020200,0x08000008,
-0x08020000,0x08000208,0x00000208,0x08020000,
-0x00020208,0x00000008,0x08020008,0x00020200},
-{
-0x00802001,0x00002081,0x00002081,0x00000080,
-0x00802080,0x00800081,0x00800001,0x00002001,
-0x00000000,0x00802000,0x00802000,0x00802081,
-0x00000081,0x00000000,0x00800080,0x00800001,
-0x00000001,0x00002000,0x00800000,0x00802001,
-0x00000080,0x00800000,0x00002001,0x00002080,
-0x00800081,0x00000001,0x00002080,0x00800080,
-0x00002000,0x00802080,0x00802081,0x00000081,
-0x00800080,0x00800001,0x00802000,0x00802081,
-0x00000081,0x00000000,0x00000000,0x00802000,
-0x00002080,0x00800080,0x00800081,0x00000001,
-0x00802001,0x00002081,0x00002081,0x00000080,
-0x00802081,0x00000081,0x00000001,0x00002000,
-0x00800001,0x00002001,0x00802080,0x00800081,
-0x00002001,0x00002080,0x00800000,0x00802001,
-0x00000080,0x00800000,0x00002000,0x00802080},
-{
-0x00000100,0x02080100,0x02080000,0x42000100,
-0x00080000,0x00000100,0x40000000,0x02080000,
-0x40080100,0x00080000,0x02000100,0x40080100,
-0x42000100,0x42080000,0x00080100,0x40000000,
-0x02000000,0x40080000,0x40080000,0x00000000,
-0x40000100,0x42080100,0x42080100,0x02000100,
-0x42080000,0x40000100,0x00000000,0x42000000,
-0x02080100,0x02000000,0x42000000,0x00080100,
-0x00080000,0x42000100,0x00000100,0x02000000,
-0x40000000,0x02080000,0x42000100,0x40080100,
-0x02000100,0x40000000,0x42080000,0x02080100,
-0x40080100,0x00000100,0x02000000,0x42080000,
-0x42080100,0x00080100,0x42000000,0x42080100,
-0x02080000,0x00000000,0x40080000,0x42000000,
-0x00080100,0x02000100,0x40000100,0x00080000,
-0x00000000,0x40080000,0x02080100,0x40000100},
-{
-0x20000010,0x20400000,0x00004000,0x20404010,
-0x20400000,0x00000010,0x20404010,0x00400000,
-0x20004000,0x00404010,0x00400000,0x20000010,
-0x00400010,0x20004000,0x20000000,0x00004010,
-0x00000000,0x00400010,0x20004010,0x00004000,
-0x00404000,0x20004010,0x00000010,0x20400010,
-0x20400010,0x00000000,0x00404010,0x20404000,
-0x00004010,0x00404000,0x20404000,0x20000000,
-0x20004000,0x00000010,0x20400010,0x00404000,
-0x20404010,0x00400000,0x00004010,0x20000010,
-0x00400000,0x20004000,0x20000000,0x00004010,
-0x20000010,0x20404010,0x00404000,0x20400000,
-0x00404010,0x20404000,0x00000000,0x20400010,
-0x00000010,0x00004000,0x20400000,0x00404010,
-0x00004000,0x00400010,0x20004010,0x00000000,
-0x20404000,0x20000000,0x00400010,0x20004010},
-{
-0x00200000,0x04200002,0x04000802,0x00000000,
-0x00000800,0x04000802,0x00200802,0x04200800,
-0x04200802,0x00200000,0x00000000,0x04000002,
-0x00000002,0x04000000,0x04200002,0x00000802,
-0x04000800,0x00200802,0x00200002,0x04000800,
-0x04000002,0x04200000,0x04200800,0x00200002,
-0x04200000,0x00000800,0x00000802,0x04200802,
-0x00200800,0x00000002,0x04000000,0x00200800,
-0x04000000,0x00200800,0x00200000,0x04000802,
-0x04000802,0x04200002,0x04200002,0x00000002,
-0x00200002,0x04000000,0x04000800,0x00200000,
-0x04200800,0x00000802,0x00200802,0x04200800,
-0x00000802,0x04000002,0x04200802,0x04200000,
-0x00200800,0x00000000,0x00000002,0x04200802,
-0x00000000,0x00200802,0x04200000,0x00000800,
-0x04000002,0x04000800,0x00000800,0x00200002},
-{
-0x10001040,0x00001000,0x00040000,0x10041040,
-0x10000000,0x10001040,0x00000040,0x10000000,
-0x00040040,0x10040000,0x10041040,0x00041000,
-0x10041000,0x00041040,0x00001000,0x00000040,
-0x10040000,0x10000040,0x10001000,0x00001040,
-0x00041000,0x00040040,0x10040040,0x10041000,
-0x00001040,0x00000000,0x00000000,0x10040040,
-0x10000040,0x10001000,0x00041040,0x00040000,
-0x00041040,0x00040000,0x10041000,0x00001000,
-0x00000040,0x10040040,0x00001000,0x00041040,
-0x10001000,0x00000040,0x10000040,0x10040000,
-0x10040040,0x10000000,0x00040000,0x10001040,
-0x00000000,0x10041040,0x00040040,0x10000040,
-0x10040000,0x10001000,0x10001040,0x00000000,
-0x10041040,0x00041000,0x00041000,0x00001040,
-0x00001040,0x00040040,0x10000000,0x10041000}
-};
-
-
-static INLINE void IPERM(word32* left, word32* right)
-{
- word32 work;
-
- *right = rotlFixed(*right, 4U);
- work = (*left ^ *right) & 0xf0f0f0f0;
- *left ^= work;
-
- *right = rotrFixed(*right^work, 20U);
- work = (*left ^ *right) & 0xffff0000;
- *left ^= work;
-
- *right = rotrFixed(*right^work, 18U);
- work = (*left ^ *right) & 0x33333333;
- *left ^= work;
-
- *right = rotrFixed(*right^work, 6U);
- work = (*left ^ *right) & 0x00ff00ff;
- *left ^= work;
-
- *right = rotlFixed(*right^work, 9U);
- work = (*left ^ *right) & 0xaaaaaaaa;
- *left = rotlFixed(*left^work, 1U);
- *right ^= work;
-}
-
-
-static INLINE void FPERM(word32* left, word32* right)
-{
- word32 work;
-
- *right = rotrFixed(*right, 1U);
- work = (*left ^ *right) & 0xaaaaaaaa;
- *right ^= work;
-
- *left = rotrFixed(*left^work, 9U);
- work = (*left ^ *right) & 0x00ff00ff;
- *right ^= work;
-
- *left = rotlFixed(*left^work, 6U);
- work = (*left ^ *right) & 0x33333333;
- *right ^= work;
-
- *left = rotlFixed(*left^work, 18U);
- work = (*left ^ *right) & 0xffff0000;
- *right ^= work;
-
- *left = rotlFixed(*left^work, 20U);
- work = (*left ^ *right) & 0xf0f0f0f0;
- *right ^= work;
-
- *left = rotrFixed(*left^work, 4U);
-}
-
-
-static int DesSetKey(const byte* key, int dir, word32* out)
-{
-#ifdef WOLFSSL_SMALL_STACK
- byte* buffer = (byte*)XMALLOC(56+56+8, NULL, DYNAMIC_TYPE_TMP_BUFFER);
-
- if (buffer == NULL)
- return MEMORY_E;
-#else
- byte buffer[56+56+8];
-#endif
-
- {
- byte* const pc1m = buffer; /* place to modify pc1 into */
- byte* const pcr = pc1m + 56; /* place to rotate pc1 into */
- byte* const ks = pcr + 56;
- register int i, j, l;
- int m;
-
- for (j = 0; j < 56; j++) { /* convert pc1 to bits of key */
- l = pc1[j] - 1; /* integer bit location */
- m = l & 07; /* find bit */
- pc1m[j] = (key[l >> 3] & /* find which key byte l is in */
- bytebit[m]) /* and which bit of that byte */
- ? 1 : 0; /* and store 1-bit result */
- }
-
- for (i = 0; i < 16; i++) { /* key chunk for each iteration */
- XMEMSET(ks, 0, 8); /* Clear key schedule */
-
- for (j = 0; j < 56; j++) /* rotate pc1 the right amount */
- pcr[j] =
- pc1m[(l = j + totrot[i]) < (j < 28 ? 28 : 56) ? l : l-28];
-
- /* rotate left and right halves independently */
- for (j = 0; j < 48; j++) { /* select bits individually */
- if (pcr[pc2[j] - 1]) { /* check bit that goes to ks[j] */
- l= j % 6; /* mask it in if it's there */
- ks[j/6] |= bytebit[l] >> 2;
- }
- }
-
- /* Now convert to odd/even interleaved form for use in F */
- out[2*i] = ((word32) ks[0] << 24)
- | ((word32) ks[2] << 16)
- | ((word32) ks[4] << 8)
- | ((word32) ks[6]);
-
- out[2*i + 1] = ((word32) ks[1] << 24)
- | ((word32) ks[3] << 16)
- | ((word32) ks[5] << 8)
- | ((word32) ks[7]);
- }
-
- /* reverse key schedule order */
- if (dir == DES_DECRYPTION) {
- for (i = 0; i < 16; i += 2) {
- word32 swap = out[i];
- out[i] = out[DES_KS_SIZE - 2 - i];
- out[DES_KS_SIZE - 2 - i] = swap;
-
- swap = out[i + 1];
- out[i + 1] = out[DES_KS_SIZE - 1 - i];
- out[DES_KS_SIZE - 1 - i] = swap;
- }
- }
-
-#ifdef WOLFSSL_SMALL_STACK
- XFREE(buffer, NULL, DYNAMIC_TYPE_TMP_BUFFER);
-#endif
- }
-
- return 0;
-}
-
-
-static INLINE int Reverse(int dir)
-{
- return !dir;
-}
-
-
-int wc_Des_SetKey(Des* des, const byte* key, const byte* iv, int dir)
-{
- wc_Des_SetIV(des, iv);
-
- return DesSetKey(key, dir, des->key);
-}
-
-
-int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir)
-{
- int ret;
-
-#ifdef HAVE_CAVIUM
- if (des->magic == WOLFSSL_3DES_CAVIUM_MAGIC)
- return wc_Des3_CaviumSetKey(des, key, iv);
-#endif
-
- ret = DesSetKey(key + (dir == DES_ENCRYPTION ? 0:16), dir, des->key[0]);
- if (ret != 0)
- return ret;
-
- ret = DesSetKey(key + 8, Reverse(dir), des->key[1]);
- if (ret != 0)
- return ret;
-
- ret = DesSetKey(key + (dir == DES_DECRYPTION ? 0:16), dir, des->key[2]);
- if (ret != 0)
- return ret;
-
- return wc_Des3_SetIV(des, iv);
-}
-
-
-static void DesRawProcessBlock(word32* lIn, word32* rIn, const word32* kptr)
-{
- word32 l = *lIn, r = *rIn, i;
-
- for (i=0; i<8; i++)
- {
- word32 work = rotrFixed(r, 4U) ^ kptr[4*i+0];
- l ^= Spbox[6][(work) & 0x3f]
- ^ Spbox[4][(work >> 8) & 0x3f]
- ^ Spbox[2][(work >> 16) & 0x3f]
- ^ Spbox[0][(work >> 24) & 0x3f];
- work = r ^ kptr[4*i+1];
- l ^= Spbox[7][(work) & 0x3f]
- ^ Spbox[5][(work >> 8) & 0x3f]
- ^ Spbox[3][(work >> 16) & 0x3f]
- ^ Spbox[1][(work >> 24) & 0x3f];
-
- work = rotrFixed(l, 4U) ^ kptr[4*i+2];
- r ^= Spbox[6][(work) & 0x3f]
- ^ Spbox[4][(work >> 8) & 0x3f]
- ^ Spbox[2][(work >> 16) & 0x3f]
- ^ Spbox[0][(work >> 24) & 0x3f];
- work = l ^ kptr[4*i+3];
- r ^= Spbox[7][(work) & 0x3f]
- ^ Spbox[5][(work >> 8) & 0x3f]
- ^ Spbox[3][(work >> 16) & 0x3f]
- ^ Spbox[1][(work >> 24) & 0x3f];
- }
-
- *lIn = l; *rIn = r;
-}
-
-
-static void DesProcessBlock(Des* des, const byte* in, byte* out)
-{
- word32 l, r;
-
- XMEMCPY(&l, in, sizeof(l));
- XMEMCPY(&r, in + sizeof(l), sizeof(r));
- #ifdef LITTLE_ENDIAN_ORDER
- l = ByteReverseWord32(l);
- r = ByteReverseWord32(r);
- #endif
- IPERM(&l,&r);
-
- DesRawProcessBlock(&l, &r, des->key);
-
- FPERM(&l,&r);
- #ifdef LITTLE_ENDIAN_ORDER
- l = ByteReverseWord32(l);
- r = ByteReverseWord32(r);
- #endif
- XMEMCPY(out, &r, sizeof(r));
- XMEMCPY(out + sizeof(r), &l, sizeof(l));
-}
-
-
-static void Des3ProcessBlock(Des3* des, const byte* in, byte* out)
-{
- word32 l, r;
-
- XMEMCPY(&l, in, sizeof(l));
- XMEMCPY(&r, in + sizeof(l), sizeof(r));
- #ifdef LITTLE_ENDIAN_ORDER
- l = ByteReverseWord32(l);
- r = ByteReverseWord32(r);
- #endif
- IPERM(&l,&r);
-
- DesRawProcessBlock(&l, &r, des->key[0]);
- DesRawProcessBlock(&r, &l, des->key[1]);
- DesRawProcessBlock(&l, &r, des->key[2]);
-
- FPERM(&l,&r);
- #ifdef LITTLE_ENDIAN_ORDER
- l = ByteReverseWord32(l);
- r = ByteReverseWord32(r);
- #endif
- XMEMCPY(out, &r, sizeof(r));
- XMEMCPY(out + sizeof(r), &l, sizeof(l));
-}
-
-
-int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz)
-{
- word32 blocks = sz / DES_BLOCK_SIZE;
-
- while (blocks--) {
- xorbuf((byte*)des->reg, in, DES_BLOCK_SIZE);
- DesProcessBlock(des, (byte*)des->reg, (byte*)des->reg);
- XMEMCPY(out, des->reg, DES_BLOCK_SIZE);
-
- out += DES_BLOCK_SIZE;
- in += DES_BLOCK_SIZE;
- }
- return 0;
-}
-
-
-int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz)
-{
- word32 blocks = sz / DES_BLOCK_SIZE;
- byte hold[DES_BLOCK_SIZE];
-
- while (blocks--) {
- XMEMCPY(des->tmp, in, DES_BLOCK_SIZE);
- DesProcessBlock(des, (byte*)des->tmp, out);
- xorbuf(out, (byte*)des->reg, DES_BLOCK_SIZE);
-
- XMEMCPY(hold, des->reg, DES_BLOCK_SIZE);
- XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);
- XMEMCPY(des->tmp, hold, DES_BLOCK_SIZE);
-
- out += DES_BLOCK_SIZE;
- in += DES_BLOCK_SIZE;
- }
- return 0;
-}
-
-
-int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz)
-{
- word32 blocks;
-
-#ifdef HAVE_CAVIUM
- if (des->magic == WOLFSSL_3DES_CAVIUM_MAGIC)
- return wc_Des3_CaviumCbcEncrypt(des, out, in, sz);
-#endif
-
- blocks = sz / DES_BLOCK_SIZE;
- while (blocks--) {
- xorbuf((byte*)des->reg, in, DES_BLOCK_SIZE);
- Des3ProcessBlock(des, (byte*)des->reg, (byte*)des->reg);
- XMEMCPY(out, des->reg, DES_BLOCK_SIZE);
-
- out += DES_BLOCK_SIZE;
- in += DES_BLOCK_SIZE;
- }
- return 0;
-}
-
-
-int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz)
-{
- word32 blocks;
-
-#ifdef HAVE_CAVIUM
- if (des->magic == WOLFSSL_3DES_CAVIUM_MAGIC)
- return wc_Des3_CaviumCbcDecrypt(des, out, in, sz);
-#endif
-
- blocks = sz / DES_BLOCK_SIZE;
- while (blocks--) {
- XMEMCPY(des->tmp, in, DES_BLOCK_SIZE);
- Des3ProcessBlock(des, (byte*)des->tmp, out);
- xorbuf(out, (byte*)des->reg, DES_BLOCK_SIZE);
- XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE);
-
- out += DES_BLOCK_SIZE;
- in += DES_BLOCK_SIZE;
- }
- return 0;
-}
-
-#ifdef WOLFSSL_DES_ECB
-
-/* One block, compatibility only */
-int wc_Des_EcbEncrypt(Des* des, byte* out, const byte* in, word32 sz)
-{
- word32 blocks = sz / DES_BLOCK_SIZE;
-
- while (blocks--) {
- DesProcessBlock(des, in, out);
-
- out += DES_BLOCK_SIZE;
- in += DES_BLOCK_SIZE;
- }
- return 0;
-}
-
-#endif /* WOLFSSL_DES_ECB */
-
-#endif /* STM32F2_CRYPTO */
-
-void wc_Des_SetIV(Des* des, const byte* iv)
-{
- if (des && iv)
- XMEMCPY(des->reg, iv, DES_BLOCK_SIZE);
- else if (des)
- XMEMSET(des->reg, 0, DES_BLOCK_SIZE);
-}
-
-
-int wc_Des_CbcDecryptWithKey(byte* out, const byte* in, word32 sz,
- const byte* key, const byte* iv)
-{
- int ret = 0;
-#ifdef WOLFSSL_SMALL_STACK
- Des* des = NULL;
-#else
- Des des[1];
-#endif
-
-#ifdef WOLFSSL_SMALL_STACK
- des = (Des*)XMALLOC(sizeof(Des), NULL, DYNAMIC_TYPE_TMP_BUFFER);
- if (des == NULL)
- return MEMORY_E;
-#endif
-
- ret = wc_Des_SetKey(des, key, iv, DES_DECRYPTION);
- if (ret == 0)
- ret = wc_Des_CbcDecrypt(des, out, in, sz);
-
-#ifdef WOLFSSL_SMALL_STACK
- XFREE(des, NULL, DYNAMIC_TYPE_TMP_BUFFER);
-#endif
-
- return ret;
-}
-
-
-int wc_Des3_SetIV(Des3* des, const byte* iv)
-{
- if (des && iv)
- XMEMCPY(des->reg, iv, DES_BLOCK_SIZE);
- else if (des)
- XMEMSET(des->reg, 0, DES_BLOCK_SIZE);
-
- return 0;
-}
-
-
-int wc_Des3_CbcDecryptWithKey(byte* out, const byte* in, word32 sz,
- const byte* key, const byte* iv)
-{
- int ret = 0;
-#ifdef WOLFSSL_SMALL_STACK
- Des3* des3 = NULL;
-#else
- Des3 des3[1];
-#endif
-
-#ifdef WOLFSSL_SMALL_STACK
- des3 = (Des3*)XMALLOC(sizeof(Des3), NULL, DYNAMIC_TYPE_TMP_BUFFER);
- if (des3 == NULL)
- return MEMORY_E;
-#endif
-
- ret = wc_Des3_SetKey(des3, key, iv, DES_DECRYPTION);
- if (ret == 0)
- ret = wc_Des3_CbcDecrypt(des3, out, in, sz);
-
-#ifdef WOLFSSL_SMALL_STACK
- XFREE(des3, NULL, DYNAMIC_TYPE_TMP_BUFFER);
-#endif
-
- return ret;
-}
-
-
-#ifdef HAVE_CAVIUM
-
-#include "cavium_common.h"
-
-/* Initiliaze Des3 for use with Nitrox device */
-int wc_Des3_InitCavium(Des3* des3, int devId)
-{
- if (des3 == NULL)
- return -1;
-
- if (CspAllocContext(CONTEXT_SSL, &des3->contextHandle, devId) != 0)
- return -1;
-
- des3->devId = devId;
- des3->magic = WOLFSSL_3DES_CAVIUM_MAGIC;
-
- return 0;
-}
-
-
-/* Free Des3 from use with Nitrox device */
-void wc_Des3_FreeCavium(Des3* des3)
-{
- if (des3 == NULL)
- return;
-
- if (des3->magic != WOLFSSL_3DES_CAVIUM_MAGIC)
- return;
-
- CspFreeContext(CONTEXT_SSL, des3->contextHandle, des3->devId);
- des3->magic = 0;
-}
-
-
-static int wc_Des3_CaviumSetKey(Des3* des3, const byte* key, const byte* iv)
-{
- if (des3 == NULL)
- return -1;
-
- /* key[0] holds key, iv in reg */
- XMEMCPY(des3->key[0], key, DES_BLOCK_SIZE*3);
-
- return wc_Des3_SetIV(des3, iv);
-}
-
-
-static int wc_Des3_CaviumCbcEncrypt(Des3* des3, byte* out, const byte* in,
- word32 length)
-{
- wolfssl_word offset = 0;
- word32 requestId;
-
- while (length > WOLFSSL_MAX_16BIT) {
- word16 slen = (word16)WOLFSSL_MAX_16BIT;
- if (CspEncrypt3Des(CAVIUM_BLOCKING, des3->contextHandle,
- CAVIUM_NO_UPDATE, slen, (byte*)in + offset,
- out + offset, (byte*)des3->reg, (byte*)des3->key[0],
- &requestId, des3->devId) != 0) {
- WOLFSSL_MSG("Bad Cavium 3DES Cbc Encrypt");
- return -1;
- }
- length -= WOLFSSL_MAX_16BIT;
- offset += WOLFSSL_MAX_16BIT;
- XMEMCPY(des3->reg, out + offset - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
- }
- if (length) {
- word16 slen = (word16)length;
-
- if (CspEncrypt3Des(CAVIUM_BLOCKING, des3->contextHandle,
- CAVIUM_NO_UPDATE, slen, (byte*)in + offset,
- out + offset, (byte*)des3->reg, (byte*)des3->key[0],
- &requestId, des3->devId) != 0) {
- WOLFSSL_MSG("Bad Cavium 3DES Cbc Encrypt");
- return -1;
- }
- XMEMCPY(des3->reg, out+offset+length - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
- }
- return 0;
-}
-
-static int wc_Des3_CaviumCbcDecrypt(Des3* des3, byte* out, const byte* in,
- word32 length)
-{
- word32 requestId;
- wolfssl_word offset = 0;
-
- while (length > WOLFSSL_MAX_16BIT) {
- word16 slen = (word16)WOLFSSL_MAX_16BIT;
- XMEMCPY(des3->tmp, in + offset + slen - DES_BLOCK_SIZE, DES_BLOCK_SIZE);
- if (CspDecrypt3Des(CAVIUM_BLOCKING, des3->contextHandle,
- CAVIUM_NO_UPDATE, slen, (byte*)in+offset, out+offset,
- (byte*)des3->reg, (byte*)des3->key[0], &requestId,
- des3->devId) != 0) {
- WOLFSSL_MSG("Bad Cavium 3Des Decrypt");
- return -1;
- }
- length -= WOLFSSL_MAX_16BIT;
- offset += WOLFSSL_MAX_16BIT;
- XMEMCPY(des3->reg, des3->tmp, DES_BLOCK_SIZE);
- }
- if (length) {
- word16 slen = (word16)length;
- XMEMCPY(des3->tmp, in + offset + slen - DES_BLOCK_SIZE,DES_BLOCK_SIZE);
- if (CspDecrypt3Des(CAVIUM_BLOCKING, des3->contextHandle,
- CAVIUM_NO_UPDATE, slen, (byte*)in+offset, out+offset,
- (byte*)des3->reg, (byte*)des3->key[0], &requestId,
- des3->devId) != 0) {
- WOLFSSL_MSG("Bad Cavium 3Des Decrypt");
- return -1;
- }
- XMEMCPY(des3->reg, des3->tmp, DES_BLOCK_SIZE);
- }
- return 0;
-}
-
-#endif /* HAVE_CAVIUM */
-#endif /* WOLFSSL_TI_CRYPT */
-#endif /* HAVE_FIPS */
-#endif /* NO_DES3 */
-