From 1a315fd89e97a413e30e9d4f4ed92508f317df99 Mon Sep 17 00:00:00 2001 From: Takashi Kojo Date: Thu, 21 May 2015 13:31:02 +0900 Subject: [PATCH] Initial TI crypt/hash --- wolfcrypt/src/port/ti/ti-aes.c | 548 ++++++++++++++++++++++++++++++++ wolfcrypt/src/port/ti/ti-ccm.c | 81 +++++ wolfcrypt/src/port/ti/ti-des3.c | 181 +++++++++++ wolfcrypt/src/port/ti/ti-hash.c | 231 ++++++++++++++ 4 files changed, 1041 insertions(+) create mode 100644 wolfcrypt/src/port/ti/ti-aes.c create mode 100644 wolfcrypt/src/port/ti/ti-ccm.c create mode 100644 wolfcrypt/src/port/ti/ti-des3.c create mode 100644 wolfcrypt/src/port/ti/ti-hash.c diff --git a/wolfcrypt/src/port/ti/ti-aes.c b/wolfcrypt/src/port/ti/ti-aes.c new file mode 100644 index 000000000..11a0680b6 --- /dev/null +++ b/wolfcrypt/src/port/ti/ti-aes.c @@ -0,0 +1,548 @@ +/* port/ti/ti-aes.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 +#endif + +#include + +#ifndef NO_AES + + +#if defined(WOLFSSL_TI_CRYPT) +#include +#include + +#include +#include +#include + +#include "inc/hw_aes.h" +#include "inc/hw_memmap.h" +#include "inc/hw_ints.h" +#include "driverlib/aes.h" +#include "driverlib/sysctl.h" +#include "driverlib/rom_map.h" +#include "driverlib/rom.h" + +static int AesSetIV(Aes* aes, const byte* iv) +{ + if (aes == NULL) + return BAD_FUNC_ARG; + + if (iv) + XMEMCPY(aes->reg, iv, AES_BLOCK_SIZE); + else + XMEMSET(aes->reg, 0, AES_BLOCK_SIZE); + + return 0; +} + +WOLFSSL_API int wc_AesSetKey(Aes* aes, const byte* key, word32 len, const byte* iv, + int dir) +{ + if(!wolfSSL_TI_CCMInit())return 1 ; + if ((aes == NULL) || (key == NULL) || (iv == NULL)) + return BAD_FUNC_ARG; + if(!((dir == AES_ENCRYPTION) || (dir == AES_DECRYPTION))) + return BAD_FUNC_ARG; + + switch(len) { + case 16: aes->keylen = AES_CFG_KEY_SIZE_128BIT ; break ; + case 24: aes->keylen = AES_CFG_KEY_SIZE_192BIT ; break ; + case 32: aes->keylen = AES_CFG_KEY_SIZE_256BIT ; break ; + default: return BAD_FUNC_ARG; + } + + XMEMCPY(aes->key, key, len) ; + #ifdef WOLFSSL_AES_COUNTER + aes->left = 0; + #endif /* WOLFSSL_AES_COUNTER */ + return AesSetIV(aes, iv); +} + +#define AES_CFG_MODE_CTR_NOCTR AES_CFG_MODE_CTR+100 +#define IS_ALIGN16(p) (((unsigned int)(p)&0xf) == 0) + +static int AesAlign16(Aes* aes, byte* out, const byte* in, word32 sz, word32 dir, word32 mode) +{ + wolfSSL_TI_lockCCM() ; + ROM_AESReset(AES_BASE); + ROM_AESConfigSet(AES_BASE, (aes->keylen | dir | + (mode==AES_CFG_MODE_CTR_NOCTR ? AES_CFG_MODE_CTR : mode))); + AESIVSet(AES_BASE, aes->reg); + ROM_AESKey1Set(AES_BASE, aes->key, aes->keylen); + if((dir == AES_CFG_DIR_DECRYPT)&& (mode == AES_CFG_MODE_CBC)) + /* if input and output same will overwrite input iv */ + XMEMCPY(aes->tmp, in + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE); + ROM_AESDataProcess(AES_BASE, (uint32_t *)in, (uint32_t *)out, sz); + wolfSSL_TI_unlockCCM() ; + + /* store iv for next call */ + if(mode == AES_CFG_MODE_CBC){ + if(dir == AES_CFG_DIR_ENCRYPT) + XMEMCPY(aes->reg, out + sz - AES_BLOCK_SIZE, AES_BLOCK_SIZE); + else + XMEMCPY(aes->reg, aes->tmp, AES_BLOCK_SIZE); + } + + if(mode == AES_CFG_MODE_CTR) { + do { + int i ; + for (i = AES_BLOCK_SIZE - 1; i >= 0; i--) { + if (++((byte *)aes->reg)[i]) + break ; + } + sz -= AES_BLOCK_SIZE ; + } while((int)sz > 0) ; + } + + return 0 ; +} + +static int AesProcess(Aes* aes, byte* out, const byte* in, word32 sz, word32 dir, word32 mode) +{ + const byte * in_p ; byte * out_p ; + word32 size ; + #define TI_BUFFSIZE 1024 + byte buff[TI_BUFFSIZE] ; + + if ((aes == NULL) || (in == NULL) || (out == NULL)) + return BAD_FUNC_ARG; + if(sz % AES_BLOCK_SIZE) + return BAD_FUNC_ARG; + + while(sz > 0) { + size = sz ; in_p = in ; out_p = out ; + if(!IS_ALIGN16(in)){ + size = sz>TI_BUFFSIZE ? TI_BUFFSIZE : sz ; + XMEMCPY(buff, in, size) ; + in_p = (const byte *)buff ; + } + if(!IS_ALIGN16(out)){ + size = sz>TI_BUFFSIZE ? TI_BUFFSIZE : sz ; + out_p = buff ; + } + + AesAlign16(aes, out_p, in_p, size, dir, mode) ; + + if(!IS_ALIGN16(out)){ + XMEMCPY(out, buff, size) ; + } + sz -= size ; in += size ; out += size ; + } + + return 0 ; +} + +WOLFSSL_API int wc_AesCbcEncrypt(Aes* aes, byte* out, const byte* in, word32 sz) +{ + return AesProcess(aes, out, in, sz, AES_CFG_DIR_ENCRYPT, AES_CFG_MODE_CBC) ; +} + +WOLFSSL_API int wc_AesCbcDecrypt(Aes* aes, byte* out, const byte* in, word32 sz) +{ + return AesProcess(aes, out, in, sz, AES_CFG_DIR_DECRYPT, AES_CFG_MODE_CBC) ; +} + +#ifdef WOLFSSL_AES_COUNTER +WOLFSSL_API void wc_AesCtrEncrypt(Aes* aes, byte* out, const byte* in, word32 sz) +{ + char out_block[AES_BLOCK_SIZE] ; + int odd ; + int even ; + char *tmp ; /* (char *)aes->tmp, for short */ + + tmp = (char *)aes->tmp ; + if(aes->left) { + if((aes->left + sz) >= AES_BLOCK_SIZE){ + odd = AES_BLOCK_SIZE - aes->left ; + } else { + odd = sz ; + } + XMEMCPY(tmp+aes->left, in, odd) ; + if((odd+aes->left) == AES_BLOCK_SIZE){ + AesProcess(aes, (byte *)out_block, (byte const *)tmp, AES_BLOCK_SIZE, + AES_CFG_DIR_ENCRYPT, AES_CFG_MODE_CTR) ; + XMEMCPY(out, out_block+aes->left, odd) ; + aes->left = 0 ; + XMEMSET(tmp, 0x0, AES_BLOCK_SIZE) ; + } + in += odd ; + out+= odd ; + sz -= odd ; + } + odd = sz % AES_BLOCK_SIZE ; /* if there is tail flagment */ + if(sz / AES_BLOCK_SIZE) { + even = (sz/AES_BLOCK_SIZE)*AES_BLOCK_SIZE ; + AesProcess(aes, out, in, even, AES_CFG_DIR_ENCRYPT, AES_CFG_MODE_CTR); + out += even ; + in += even ; + } + if(odd) { + XMEMSET(tmp+aes->left, 0x0, AES_BLOCK_SIZE - aes->left) ; + XMEMCPY(tmp+aes->left, in, odd) ; + AesProcess(aes, (byte *)out_block, (byte const *)tmp, AES_BLOCK_SIZE, + AES_CFG_DIR_ENCRYPT, + AES_CFG_MODE_CTR_NOCTR /* Counter mode without counting IV */ + ); + XMEMCPY(out, out_block+aes->left,odd) ; + aes->left += odd ; + } +} +#endif + +/* AES-DIRECT */ +#if defined(WOLFSSL_AES_DIRECT) +WOLFSSL_API void wc_AesEncryptDirect(Aes* aes, byte* out, const byte* in) +{ + AesProcess(aes, out, in, AES_BLOCK_SIZE, AES_CFG_DIR_ENCRYPT, AES_CFG_MODE_CBC) ; +} +WOLFSSL_API void wc_AesDecryptDirect(Aes* aes, byte* out, const byte* in) +{ + AesProcess(aes, out, in, AES_BLOCK_SIZE, AES_CFG_DIR_DECRYPT, AES_CFG_MODE_CBC) ; +} +WOLFSSL_API int wc_AesSetKeyDirect(Aes* aes, const byte* key, word32 len, + const byte* iv, int dir) +{ + return(wc_AesSetKey(aes, key, len, iv, dir)) ; +} +#endif + + +#if defined(HAVE_AESGCM) || defined(HAVE_AESCCM) + +static int AesAuthSetKey(Aes* aes, const byte* key, word32 keySz) +{ + byte nonce[AES_BLOCK_SIZE]; + + if ((aes == NULL) || (key == NULL)) + return BAD_FUNC_ARG ; + if (!((keySz == 16) || (keySz == 24) || (keySz == 32))) + return BAD_FUNC_ARG ; + + XMEMSET(nonce, 0, sizeof(nonce)); + return wc_AesSetKey(aes, key, keySz, nonce, AES_ENCRYPTION); +} + + +static int AesAuthArgCheck(Aes* aes, byte* out, const byte* in, word32 inSz, + const byte* nonce, word32 nonceSz, + const byte* authTag, word32 authTagSz, + const byte* authIn, word32 authInSz, word32 *M, word32 *L) +{ + if((aes == NULL)||(nonce == NULL)||(authTag== NULL)||(authIn == NULL)) + return BAD_FUNC_ARG; + if((inSz != 0) && ((out == NULL)||(in == NULL))) + return BAD_FUNC_ARG; + + switch(authTagSz){ + case 4: + *M = AES_CFG_CCM_M_4; break ; + case 6: + *M = AES_CFG_CCM_M_6; break ; + case 8: + *M = AES_CFG_CCM_M_8; break ; + case 10: + *M = AES_CFG_CCM_M_10; break ; + case 12: + *M = AES_CFG_CCM_M_12; break ; + case 14: + *M = AES_CFG_CCM_M_14; break ; + case 16: + *M = AES_CFG_CCM_M_16; break ; + default: + return 1 ; + } + + switch(nonceSz){ + case 7: + *L = AES_CFG_CCM_L_8; break ; + case 8: + *L = AES_CFG_CCM_L_7; break ; + case 9: + *L = AES_CFG_CCM_L_6; break ; + case 10: + *L = AES_CFG_CCM_L_5; break ; + case 11: + *L = AES_CFG_CCM_L_4; break ; + case 12: + *L = AES_CFG_CCM_L_3; break ; + case 13: + *L = AES_CFG_CCM_L_2; break ; + case 14: + *L = AES_CFG_CCM_L_1; break ; + default: + return 1; + } + return 0 ; +} + +static void AesAuthSetIv(Aes *aes, const byte *nonce, word32 len, word32 L, int mode) { + + if(mode == AES_CFG_MODE_CCM){ + XMEMSET(aes->reg, 0, 16) ; + switch(L){ + case AES_CFG_CCM_L_8: + aes->reg[0] = 0x7; break ; + case AES_CFG_CCM_L_7: + aes->reg[0] = 0x6; break ; + case AES_CFG_CCM_L_6: + aes->reg[0] = 0x5; break ; + case AES_CFG_CCM_L_5: + aes->reg[0] = 0x4; break ; + case AES_CFG_CCM_L_4: + aes->reg[0] = 0x3; break ; + case AES_CFG_CCM_L_3: + aes->reg[0] = 0x2; break ; + case AES_CFG_CCM_L_2: + aes->reg[0] = 0x1; break ; + case AES_CFG_CCM_L_1: + aes->reg[0] = 0x0; break ; + } + XMEMCPY(((byte *)aes->reg)+1, nonce, len) ; + } else { + byte *b = (byte *)aes->reg ; + XMEMSET(aes->reg, 0, AES_BLOCK_SIZE); + XMEMCPY(aes->reg, nonce, len); + b[AES_BLOCK_SIZE-4] = 0 ; + b[AES_BLOCK_SIZE-3] = 0 ; + b[AES_BLOCK_SIZE-2] = 0 ; + b[AES_BLOCK_SIZE-1] = 1 ; + } +} + +#define RoundUp16(n) ((n+15)&0xfffffff0) +#define FREE_ALL \ + if(in_save) XFREE(in_save, NULL, DYNAMIC_TYPE_TMP_BUFFER);\ + if(out_save) XFREE(out_save, NULL, DYNAMIC_TYPE_TMP_BUFFER);\ + if(authIn_save)XFREE(authIn_save, NULL, DYNAMIC_TYPE_TMP_BUFFER);\ + if(nonce_save) XFREE(nonce_save, NULL, DYNAMIC_TYPE_TMP_BUFFER); + +static int AesAuthEncrypt(Aes* aes, byte* out, const byte* in, word32 inSz, + const byte* nonce, word32 nonceSz, + byte* authTag, word32 authTagSz, + const byte* authIn, word32 authInSz, int mode) +{ + word32 M, L ; + byte *in_a, *in_save ; + byte *out_a, *out_save ; + byte *authIn_a, *authIn_save ; + byte *nonce_a, *nonce_save ; + word32 tmpTag[4] ; + int ret ; + + if(AesAuthArgCheck(aes, out, in, inSz, nonce, nonceSz, authTag, authTagSz, authIn, authInSz, &M, &L) + == BAD_FUNC_ARG)return BAD_FUNC_ARG ; + + /* 16 byte padding */ + in_save = NULL ; out_save = NULL ; authIn_save = NULL ; nonce_save = NULL ; + if((inSz%16)==0){ + in_save = NULL ; in_a = (byte *)in ; + out_save = NULL ; out_a = out ; + } else { + if((in_save = XMALLOC(RoundUp16(inSz), NULL, DYNAMIC_TYPE_TMP_BUFFER)) == NULL){ + FREE_ALL; return MEMORY_E ; } + in_a = in_save ; XMEMSET(in_a, 0, RoundUp16(inSz)) ; XMEMCPY(in_a, in, inSz) ; + + if((out_save = XMALLOC(RoundUp16(inSz), NULL, DYNAMIC_TYPE_TMP_BUFFER)) == NULL){ + FREE_ALL; return MEMORY_E ; } + out_a = out_save ; + } + + if((authInSz%16)==0){ + authIn_save = NULL ; authIn_a = (byte *)authIn ; + } else { + if((authIn_save = XMALLOC(RoundUp16(authInSz), NULL, DYNAMIC_TYPE_TMP_BUFFER)) == NULL){ + FREE_ALL; return MEMORY_E ; } + authIn_a = authIn_save ; XMEMSET(authIn_a, 0, RoundUp16(authInSz)) ; XMEMCPY(authIn_a, authIn, authInSz) ; + } + + if((nonceSz%16)==0){ + nonce_save = NULL ; nonce_a = (byte *)nonce ; + } else { + if((nonce_save = XMALLOC(RoundUp16(nonceSz), NULL, DYNAMIC_TYPE_TMP_BUFFER)) == NULL){ + FREE_ALL; return MEMORY_E; } + nonce_a = nonce_save ; XMEMSET(nonce_a, 0, RoundUp16(nonceSz)) ; XMEMCPY(nonce_a, nonce, nonceSz) ; + } + + /* do aes-ccm */ + AesAuthSetIv(aes, nonce, nonceSz, L, mode) ; + ROM_AESReset(AES_BASE); + ROM_AESConfigSet(AES_BASE, (aes->keylen | AES_CFG_DIR_ENCRYPT | + AES_CFG_CTR_WIDTH_128 | + mode | ((mode== AES_CFG_MODE_CCM) ? (L | M) : 0 ))) ; + ROM_AESIVSet(AES_BASE, aes->reg); + ROM_AESKey1Set(AES_BASE, aes->key, aes->keylen); + ret = ROM_AESDataProcessAuth(AES_BASE, (unsigned int*)in_a, (unsigned int *)out_a, inSz, + (unsigned int*)authIn_a, authInSz, (unsigned int *)tmpTag); + if(ret == false){ + XMEMSET(out, 0, inSz) ; + XMEMSET(authTag, 0, authTagSz) ; + } else { + XMEMCPY(out, out_a, inSz) ; + XMEMCPY(authTag, tmpTag, authTagSz) ; + } + + FREE_ALL; + return 0 ; +} + +static int AesAuthDecrypt(Aes* aes, byte* out, const byte* in, word32 inSz, + const byte* nonce, word32 nonceSz, + const byte* authTag, word32 authTagSz, + const byte* authIn, word32 authInSz, int mode) +{ + word32 M, L ; + byte *in_a, *in_save ; + byte *out_a, *out_save ; + byte *authIn_a, *authIn_save ; + byte *nonce_a, *nonce_save ; + word32 tmpTag[4] ; + bool ret ; + + if(AesAuthArgCheck(aes, out, in, inSz, nonce, nonceSz, authTag, authTagSz, authIn, authInSz, &M, &L) + == BAD_FUNC_ARG)return BAD_FUNC_ARG ; + + /* 16 byte padding */ + in_save = NULL ; out_save = NULL ; authIn_save = NULL ; nonce_save = NULL ; + if((inSz%16)==0){ + in_save = NULL ; in_a = (byte *)in ; + out_save = NULL ; out_a = out ; + } else { + if((in_save = XMALLOC(RoundUp16(inSz), NULL, DYNAMIC_TYPE_TMP_BUFFER)) == NULL){ + FREE_ALL; return MEMORY_E;} + in_a = in_save ; XMEMSET(in_a, 0, RoundUp16(inSz)) ; XMEMCPY(in_a, in, inSz) ; + + if((out_save = XMALLOC(RoundUp16(inSz), NULL, DYNAMIC_TYPE_TMP_BUFFER)) == NULL){ + FREE_ALL; return MEMORY_E;} + out_a = out_save ; + } + + if((authInSz%16)==0){ + authIn_save = NULL ; authIn_a = (byte *)authIn ; + } else { + if((authIn_save = XMALLOC(RoundUp16(authInSz), NULL, DYNAMIC_TYPE_TMP_BUFFER)) == NULL){ + FREE_ALL; return MEMORY_E; } + authIn_a = authIn_save ; XMEMSET(authIn_a, 0, RoundUp16(authInSz)) ; XMEMCPY(authIn_a, authIn, authInSz) ; + } + + if((nonceSz%16)==0){ + nonce_save = NULL ; nonce_a = (byte *)nonce ; + } else { + if((nonce_save = XMALLOC(RoundUp16(nonceSz), NULL, DYNAMIC_TYPE_TMP_BUFFER)) == NULL){ + FREE_ALL; return MEMORY_E; } + nonce_a = nonce_save ; XMEMSET(nonce_a, 0, RoundUp16(nonceSz)) ; XMEMCPY(nonce_a, nonce, nonceSz) ; + } + + /* do aes-ccm */ + AesAuthSetIv(aes, nonce, nonceSz, L, mode) ; + ROM_AESReset(AES_BASE); + ROM_AESConfigSet(AES_BASE, (aes->keylen | AES_CFG_DIR_DECRYPT | + AES_CFG_CTR_WIDTH_128 | + mode | ((mode== AES_CFG_MODE_CCM) ? (L | M) : 0 ))) ; + ROM_AESIVSet(AES_BASE, aes->reg); + ROM_AESKey1Set(AES_BASE, aes->key, aes->keylen); + ret = ROM_AESDataProcessAuth(AES_BASE, (unsigned int*)in_a, (unsigned int *)out_a, inSz, + (unsigned int*)authIn_a, authInSz, (unsigned int *)tmpTag); + if((ret == false) || (XMEMCMP(authTag, tmpTag, authTagSz) != 0)){ + XMEMSET(out, 0, inSz) ; + ret = false ; + } else { + XMEMCPY(out, out_a, inSz) ; + } + + FREE_ALL ; + return ret==true ? 0 : 1 ; +} +#endif + + +#ifdef HAVE_AESGCM +WOLFSSL_API int wc_AesGcmSetKey(Aes* aes, const byte* key, word32 len) +{ + return AesAuthSetKey(aes, key, len) ; +} + +WOLFSSL_API int wc_AesGcmEncrypt(Aes* aes, byte* out, const byte* in, word32 sz, + const byte* iv, word32 ivSz, + byte* authTag, word32 authTagSz, + const byte* authIn, word32 authInSz) +{ + return AesAuthEncrypt(aes, out, in, sz, iv, ivSz, authTag, authTagSz, + authIn, authInSz, AES_CFG_MODE_GCM_HY0CALC) ; +} +WOLFSSL_API int wc_AesGcmDecrypt(Aes* aes, byte* out, const byte* in, word32 sz, + const byte* iv, word32 ivSz, + const byte* authTag, word32 authTagSz, + const byte* authIn, word32 authInSz) +{ + return AesAuthDecrypt(aes, out, in, sz, iv, ivSz, authTag, authTagSz, + authIn, authInSz, AES_CFG_MODE_GCM_HY0CALC) ; +} + +WOLFSSL_API int wc_GmacSetKey(Gmac* gmac, const byte* key, word32 len) +{ + return AesAuthSetKey(&gmac->aes, key, len) ; +} + +WOLFSSL_API int wc_GmacUpdate(Gmac* gmac, const byte* iv, word32 ivSz, + const byte* authIn, word32 authInSz, + byte* authTag, word32 authTagSz) +{ + return AesAuthEncrypt(&gmac->aes, NULL, NULL, 0, iv, ivSz, authTag, authTagSz, + authIn, authInSz, AES_CFG_MODE_GCM_HY0CALC) ; +} + +#endif /* HAVE_AESGCM */ + +#ifdef HAVE_AESCCM +WOLFSSL_API void wc_AesCcmSetKey(Aes* aes, const byte* key, word32 keySz) +{ + AesAuthSetKey(aes, key, keySz) ; +} + +WOLFSSL_API void wc_AesCcmEncrypt(Aes* aes, byte* out, const byte* in, word32 inSz, + const byte* nonce, word32 nonceSz, + byte* authTag, word32 authTagSz, + const byte* authIn, word32 authInSz) +{ + AesAuthEncrypt(aes, out, in, inSz, nonce, nonceSz, authTag, authTagSz, + authIn, authInSz, AES_CFG_MODE_CCM) ; +} + +WOLFSSL_API int wc_AesCcmDecrypt(Aes* aes, byte* out, const byte* in, word32 inSz, + const byte* nonce, word32 nonceSz, + const byte* authTag, word32 authTagSz, + const byte* authIn, word32 authInSz) +{ + return AesAuthDecrypt(aes, out, in, inSz, nonce, nonceSz, authTag, authTagSz, + authIn, authInSz, AES_CFG_MODE_CCM) ; +} +#endif /* HAVE_AESCCM */ + +#endif /* WOLFSSL_TI_CRYPT */ + +#endif /* NO_AES */ + + + diff --git a/wolfcrypt/src/port/ti/ti-ccm.c b/wolfcrypt/src/port/ti/ti-ccm.c new file mode 100644 index 000000000..801cc9bb5 --- /dev/null +++ b/wolfcrypt/src/port/ti/ti-ccm.c @@ -0,0 +1,81 @@ +/* port/ti/ti_ccm.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 +#endif + +#include + +#if defined(WOLFSSL_TI_CRYPT) || defined(WOLFSSL_TI_HASH) + + +#include +#include + +#include "driverlib/sysctl.h" +#include "driverlib/rom_map.h" +#include "driverlib/rom.h" + +#ifndef SINGLE_THREADED + static wolfSSL_Mutex TI_CCM_Mutex ; +#endif + +#define TIMEOUT 500000 +#define WAIT(stat) { volatile int i ; for(i=0; i +#endif + +#include + +#ifndef NO_DES + +#if defined(WOLFSSL_TI_CRYPT) +#include +#include + +#include +#include +#include + +#include "inc/hw_des.h" +#include "inc/hw_memmap.h" +#include "inc/hw_ints.h" +#include "driverlib/des.h" +#include "driverlib/sysctl.h" +#include "driverlib/rom_map.h" +#include "driverlib/rom.h" + +static int DesSetIV(Des* des, const byte* iv, int tri) +{ + if (des == NULL) + return BAD_FUNC_ARG; + + if (iv) + XMEMCPY(des->reg, iv, tri == DES_CFG_TRIPLE ? DES3_IVLEN : DES_IVLEN); + else + XMEMSET(des->reg, 0, tri == DES_CFG_TRIPLE ? DES3_IVLEN : DES_IVLEN); + + return 0; +} + +static int DesSetKey(Des* des, const byte* key, const byte* iv,int dir, int tri) +{ + if(!wolfSSL_TI_CCMInit())return 1 ; + if ((des == NULL) || (key == NULL) || (iv == NULL)) + return BAD_FUNC_ARG; + if(!((dir == DES_ENCRYPTION) || (dir == DES_DECRYPTION))) + return BAD_FUNC_ARG; + + XMEMCPY(des->key, key, tri == DES_CFG_SINGLE ? DES_KEYLEN : DES3_KEYLEN) ; + return DesSetIV(des, iv, tri); +} + +static int DesCbcAlign16(Des* des, byte* out, const byte* in, word32 sz, word32 dir, word32 tri) +{ + + wolfSSL_TI_lockCCM() ; + ROM_DESReset(DES_BASE); + ROM_DESConfigSet(DES_BASE, (dir | DES_CFG_MODE_CBC | tri)); + DESIVSet(DES_BASE, des->reg); + ROM_DESKeySet(DES_BASE, des->key); + if(dir == DES_CFG_DIR_DECRYPT) + /* if input and output same will overwrite input iv */ + XMEMCPY(des->tmp, in + sz - DES_BLOCK_SIZE, DES_BLOCK_SIZE); + ROM_DESDataProcess(DES_BASE, (uint32_t *)in, (uint32_t *)out, sz); + wolfSSL_TI_unlockCCM() ; + + /* store iv for next call */ + if(dir == DES_CFG_DIR_ENCRYPT) + XMEMCPY(des->reg, out + sz - DES_BLOCK_SIZE, DES_BLOCK_SIZE); + else + XMEMCPY(des->reg, des->tmp, DES_BLOCK_SIZE); + + return 0 ; +} + +#define IS_ALIGN16(p) (((unsigned int)(p)&0xf) == 0) + +static int DesCbc(Des* des, byte* out, const byte* in, word32 sz, word32 dir, word32 tri) +{ + const byte * in_p ; byte * out_p ; + word32 size ; + #define TI_BUFFSIZE 1024 + byte buff[TI_BUFFSIZE] ; + if ((des == NULL) || (in == NULL) || (out == NULL)) + return BAD_FUNC_ARG; + if(sz % DES_BLOCK_SIZE) + return BAD_FUNC_ARG; + + while(sz > 0) { + size = sz ; in_p = in ; out_p = out ; + if(!IS_ALIGN16(in)){ + size = sz>TI_BUFFSIZE ? TI_BUFFSIZE : sz ; + XMEMCPY(buff, in, size) ; + in_p = (const byte *)buff ; + } + if(!IS_ALIGN16(out)){ + size = sz>TI_BUFFSIZE ? TI_BUFFSIZE : sz ; + out_p = (byte *)buff ; + } + + DesCbcAlign16(des, out_p, in_p, size, dir, tri) ; + + if(!IS_ALIGN16(out)){ + XMEMCPY(out, buff, size) ; + } + sz -= size ; in += size ; out += size ; + } + return 0 ; +} + +WOLFSSL_API int wc_Des_SetKey(Des* des, const byte* key, const byte* iv,int dir) +{ + return DesSetKey(des, key, iv, dir, DES_CFG_SINGLE) ; +} + +WOLFSSL_API void wc_Des_SetIV(Des* des, const byte* iv) +{ + DesSetIV(des, iv, DES_CFG_SINGLE) ; +} + +WOLFSSL_API int wc_Des3_SetKey(Des3* des, const byte* key, const byte* iv,int dir) +{ + return DesSetKey((Des *)des, key, iv, dir, DES_CFG_TRIPLE) ; +} + +WOLFSSL_API int wc_Des3_SetIV(Des3* des, const byte* iv) +{ + return DesSetIV((Des *)des, iv, DES_CFG_TRIPLE) ; +} + + +WOLFSSL_API int wc_Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz) +{ + return DesCbc(des, out, in, sz, DES_CFG_DIR_ENCRYPT, DES_CFG_SINGLE) ; +} + +WOLFSSL_API int wc_Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz) +{ + return DesCbc(des, out, in, sz, DES_CFG_DIR_DECRYPT, DES_CFG_SINGLE) ; +} + +WOLFSSL_API int wc_Des_CbcDecryptWithKey(byte* out, const byte* in, word32 sz, + const byte* key, const byte* iv) +{ return 0 ;} + +WOLFSSL_API int wc_Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz) +{ + return DesCbc((Des *)des, out, in, sz, DES_CFG_DIR_ENCRYPT, DES_CFG_TRIPLE) ; +} + +WOLFSSL_API int wc_Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz) +{ + return DesCbc((Des *)des, out, in, sz, DES_CFG_DIR_DECRYPT, DES_CFG_TRIPLE) ; +} + +WOLFSSL_API int wc_Des3_CbcDecryptWithKey(byte* out, const byte* in, word32 sz, + const byte* key, const byte* iv) +{ return 0 ; } + + +#endif /* WOLFSSL_TI_CRYPT */ + +#endif /* NO_DES */ diff --git a/wolfcrypt/src/port/ti/ti-hash.c b/wolfcrypt/src/port/ti/ti-hash.c new file mode 100644 index 000000000..223874b20 --- /dev/null +++ b/wolfcrypt/src/port/ti/ti-hash.c @@ -0,0 +1,231 @@ +/* port/ti/ti-hash.h + * + * 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 + */ + + +#ifndef WOLFSSL_TI_HASH_H +#define WOLFSSL_TI_HASH_H + +#include + +#if defined(WOLFSSL_TI_HASH) + +#ifdef __cplusplus + extern "C" { +#endif + +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include "inc/hw_memmap.h" +#include "inc/hw_shamd5.h" +#include "inc/hw_ints.h" +#include "driverlib/shamd5.h" +#include "driverlib/sysctl.h" +#include "driverlib/rom_map.h" +#include "driverlib/rom.h" + +static int hashInit(wolfssl_TI_Hash *hash) { + hash->used = 0 ; + hash->msg = 0 ; + hash->len = 0 ; + return 0 ; +} + +static int hashUpdate(wolfssl_TI_Hash *hash, const byte* data, word32 len) +{ + void *p ; + if((hash== NULL) || (data == NULL))return BAD_FUNC_ARG; + if(hash->len < hash->used+len) { + if(hash->msg == NULL) { + p = XMALLOC(hash->used+len, NULL, DYNAMIC_TYPE_TMP_BUFFER); + } else { + p = XREALLOC(hash->msg, hash->used+len, NULL, DYNAMIC_TYPE_TMP_BUFFER); + } + if(p == 0)return 1 ; + hash->msg = p ; + hash->len = hash->used+len ; + } + XMEMCPY(hash->msg+hash->used, data, len) ; + hash->used += len ; + return 0 ; +} + +static int hashFinal(wolfssl_TI_Hash *hash, byte* result, word32 algo, word32 hsize) +{ + uint32_t h[16] ; + wolfSSL_TI_lockCCM() ; + ROM_SHAMD5Reset(SHAMD5_BASE); + ROM_SHAMD5ConfigSet(SHAMD5_BASE, algo); + ROM_SHAMD5DataProcess(SHAMD5_BASE, + (uint32_t *)hash->msg, hash->used, h); + XMEMCPY(result, h, hsize) ; + wolfSSL_TI_unlockCCM() ; + XFREE(hash->msg, NULL, DYNAMIC_TYPE_TMP_BUFFER); + hashInit(hash) ; + return 0 ; +} + +static int hashHash(const byte* data, word32 len, byte* hash, word32 algo, word32 hsize) +{ + int ret = 0; +#ifdef WOLFSSL_SMALL_STACK + wolfssl_TI_Hash* hash_desc; +#else + wolfssl_TI_Hash hash_desc[1]; +#endif + +#ifdef WOLFSSL_SMALL_STACK + hash_desc = (wolfssl_TI_Hash*)XMALLOC(sizeof(wolfssl_TI_Hash), NULL, DYNAMIC_TYPE_TMP_BUFFER); + if (hash_desc == NULL) + return MEMORY_E; +#endif + + if ((ret = hashInit(hash_desc)) != 0) { + WOLFSSL_MSG("Hash Init failed"); + } + else { + hashUpdate(hash_desc, data, len); + hashFinal(hash_desc, hash, algo, hsize); + } + +#ifdef WOLFSSL_SMALL_STACK + XFREE(hash, NULL, DYNAMIC_TYPE_TMP_BUFFER); +#endif + + return ret; +} + +#if !defined(NO_MD5) + +void wc_InitMd5(Md5* md5) +{ + if (md5 == NULL) + return ; + if(!wolfSSL_TI_CCMInit())return ; + hashInit((wolfssl_TI_Hash *)md5) ; +} + +void wc_Md5Update(Md5* md5, const byte* data, word32 len) +{ + hashUpdate((wolfssl_TI_Hash *)md5, data, len) ; +} + +void wc_Md5Final(Md5* md5, byte* hash) +{ + hashFinal((wolfssl_TI_Hash *)md5, hash, SHAMD5_ALGO_MD5, MD5_DIGEST_SIZE) ; +} + +WOLFSSL_API int wc_Md5Hash(const byte*data, word32 len, byte*hash) +{ + return hashHash(data, len, hash, SHAMD5_ALGO_MD5, MD5_DIGEST_SIZE) ; +} + +#endif /* NO_MD5 */ + +#if !defined(NO_SHA) + +WOLFSSL_API int wc_InitSha(Sha* sha) +{ + if (sha == NULL) + return 1 ; + if(!wolfSSL_TI_CCMInit())return 1 ; + return hashInit((wolfssl_TI_Hash *)sha) ; +} + +WOLFSSL_API int wc_ShaUpdate(Sha* sha, const byte* data, word32 len) +{ + return hashUpdate((wolfssl_TI_Hash *)sha, data, len) ; +} + +WOLFSSL_API int wc_ShaFinal(Sha* sha, byte* hash) +{ + return hashFinal((wolfssl_TI_Hash *)sha, hash, SHAMD5_ALGO_SHA1, SHA_DIGEST_SIZE) ; +} +WOLFSSL_API int wc_ShaHash(const byte*data, word32 len, byte*hash) +{ + return hashHash(data, len, hash, SHAMD5_ALGO_SHA1, SHA_DIGEST_SIZE) ; +} + +#endif /* NO_SHA */ + +#if defined(HAVE_SHA224) +WOLFSSL_API int wc_InitSha224(Sha224* sha224) +{ + if (sha224 == NULL) + return 1 ; + if(!wolfSSL_TI_CCMInit())return 1 ; + return hashInit((wolfssl_TI_Hash *)sha224) ; +} + +WOLFSSL_API int wc_Sha224Update(Sha224* sha224, const byte* data, word32 len) +{ + return hashUpdate((wolfssl_TI_Hash *)sha224, data, len) ; +} + +WOLFSSL_API int wc_Sha224Final(Sha224* sha224, byte* hash) +{ + return hashFinal((wolfssl_TI_Hash *)sha224, hash, SHAMD5_ALGO_SHA224, SHA224_DIGEST_SIZE) ; +} + +WOLFSSL_API int wc_Sha224Hash(const byte* data, word32 len, byte*hash) +{ + return hashHash(data, len, hash, SHAMD5_ALGO_SHA224, SHA224_DIGEST_SIZE) ; +} + +#endif /* HAVE_SHA224 */ + +#if !defined(NO_SHA256) +WOLFSSL_API int wc_InitSha256(Sha256* sha256) +{ + if (sha256 == NULL) + return 1 ; + if(!wolfSSL_TI_CCMInit())return 1 ; + return hashInit((wolfssl_TI_Hash *)sha256) ; +} + +WOLFSSL_API int wc_Sha256Update(Sha256* sha256, const byte* data, word32 len) +{ + return hashUpdate((wolfssl_TI_Hash *)sha256, data, len) ; +} + +WOLFSSL_API int wc_Sha256Final(Sha256* sha256, byte* hash) +{ + return hashFinal((wolfssl_TI_Hash *)sha256, hash, SHAMD5_ALGO_SHA256, SHA256_DIGEST_SIZE) ; +} + +WOLFSSL_API int wc_Sha256Hash(const byte* data, word32 len, byte*hash) +{ + return hashHash(data, len, hash, SHAMD5_ALGO_SHA256, SHA256_DIGEST_SIZE) ; +} + +#endif /* NO_SHA256 */ + +#endif /* WOLFSSL_TI_HASH */ + +#endif /* WOLFSSL_TI_HASH_H */