2019-11-11 18:09:59 +01:00
|
|
|
/* pic32mz-crypt.h
|
|
|
|
|
*
|
2021-08-01 19:00:22 +02:00
|
|
|
* Copyright (C) 2006-2021 wolfSSL Inc.
|
2019-11-11 18:09:59 +01:00
|
|
|
*
|
|
|
|
|
* This file is part of wolfSSL.
|
|
|
|
|
*
|
|
|
|
|
* 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 02110-1335, USA
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#ifndef PIC32MZ_CRYPT_H
|
|
|
|
|
#define PIC32MZ_CRYPT_H
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
|
extern "C" {
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#include <libs/libwolfssl/wolfcrypt/settings.h>
|
|
|
|
|
|
|
|
|
|
#ifdef WOLFSSL_MICROCHIP_PIC32MZ
|
|
|
|
|
|
|
|
|
|
#ifndef MICROCHIP_PIC32
|
|
|
|
|
#define MICROCHIP_PIC32
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* If algos aren't enabled then turn off */
|
|
|
|
|
#ifdef WOLFSSL_PIC32MZ_HASH
|
|
|
|
|
#if defined(NO_MD5) && defined(NO_SHA) && defined(NO_SHA256)
|
|
|
|
|
#undef WOLFSSL_PIC32MZ_HASH
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef WOLFSSL_PIC32MZ_CRYPT
|
|
|
|
|
#if defined(NO_AES) && defined(NO_DES3)
|
|
|
|
|
#undef WOLFSSL_PIC32MZ_CRYPT
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* Enables support for large hashing */
|
|
|
|
|
/* requires exclusive access to crypto hardware done at application layer */
|
|
|
|
|
#define WOLFSSL_PIC32MZ_LARGE_HASH
|
|
|
|
|
|
|
|
|
|
#include <xc.h>
|
|
|
|
|
#include <sys/endian.h>
|
|
|
|
|
#include <sys/kmem.h>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* PIC32 Crypto Structures */
|
|
|
|
|
typedef struct saCtrl {
|
|
|
|
|
unsigned int CRYPTOALGO : 4;
|
|
|
|
|
unsigned int MULTITASK : 3;
|
|
|
|
|
unsigned int KEYSIZE : 2;
|
|
|
|
|
unsigned int ENCTYPE : 1;
|
|
|
|
|
unsigned int ALGO : 7;
|
|
|
|
|
unsigned int : 3;
|
|
|
|
|
unsigned int FLAGS : 1;
|
|
|
|
|
unsigned int FB : 1;
|
|
|
|
|
unsigned int LOADIV : 1;
|
|
|
|
|
unsigned int LNC : 1;
|
|
|
|
|
unsigned int IRFLAG : 1;
|
|
|
|
|
unsigned int ICVONLY : 1;
|
|
|
|
|
unsigned int OR_EN : 1;
|
|
|
|
|
unsigned int NO_RX : 1;
|
|
|
|
|
unsigned int : 1;
|
|
|
|
|
unsigned int VERIFY : 1;
|
|
|
|
|
unsigned int : 2;
|
|
|
|
|
} saCtrl;
|
|
|
|
|
|
|
|
|
|
typedef struct securityAssociation {
|
|
|
|
|
saCtrl SA_CTRL;
|
|
|
|
|
unsigned int SA_AUTHKEY[8];
|
|
|
|
|
unsigned int SA_ENCKEY[8];
|
|
|
|
|
unsigned int SA_AUTHIV[8];
|
|
|
|
|
unsigned int SA_ENCIV[4];
|
|
|
|
|
} securityAssociation;
|
|
|
|
|
|
|
|
|
|
typedef struct bdCtrl {
|
|
|
|
|
unsigned int BUFLEN : 16;
|
|
|
|
|
unsigned int CBD_INT_EN : 1;
|
|
|
|
|
unsigned int PKT_INT_EN : 1;
|
|
|
|
|
unsigned int LIFM : 1;
|
|
|
|
|
unsigned int LAST_BD : 1;
|
|
|
|
|
unsigned int CRDMA_EN : 1;
|
|
|
|
|
unsigned int UPD_RES : 1;
|
|
|
|
|
unsigned int SA_FETCH_EN : 1;
|
|
|
|
|
unsigned int SEC_CODE : 8;
|
|
|
|
|
volatile unsigned int DESC_EN : 1;
|
|
|
|
|
} bdCtrl;
|
|
|
|
|
|
|
|
|
|
typedef struct bufferDescriptor {
|
|
|
|
|
bdCtrl BD_CTRL;
|
|
|
|
|
unsigned int SA_ADDR;
|
|
|
|
|
unsigned int SRCADDR;
|
|
|
|
|
unsigned int DSTADDR;
|
|
|
|
|
unsigned int NXTPTR;
|
|
|
|
|
unsigned int UPDPTR;
|
|
|
|
|
unsigned int MSGLEN;
|
|
|
|
|
unsigned int ENCOFF;
|
|
|
|
|
} bufferDescriptor;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Cache Updates Struct */
|
|
|
|
|
typedef struct hashUpdCache {
|
|
|
|
|
unsigned char* buf;
|
|
|
|
|
unsigned int bufLen;
|
|
|
|
|
unsigned int updLen;
|
|
|
|
|
int isCopy;
|
|
|
|
|
#ifdef WOLFSSL_PIC32MZ_LARGE_HASH
|
|
|
|
|
unsigned int finalLen;
|
|
|
|
|
#endif
|
|
|
|
|
} hashUpdCache;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Direction */
|
|
|
|
|
#define PIC32_ENCRYPTION 0b1
|
|
|
|
|
#define PIC32_DECRYPTION 0b0
|
|
|
|
|
|
|
|
|
|
/* Algorithm */
|
|
|
|
|
#define PIC32_ALGO_HMAC1 0b01000000
|
|
|
|
|
#define PIC32_ALGO_SHA256 0b00100000
|
|
|
|
|
#define PIC32_ALGO_SHA1 0b00010000
|
|
|
|
|
#define PIC32_ALGO_MD5 0b00001000
|
|
|
|
|
|
|
|
|
|
#define PIC32_ALGO_AES 0b00000100
|
|
|
|
|
#define PIC32_ALGO_TDES 0b00000010
|
|
|
|
|
#define PIC32_ALGO_DES 0b00000001
|
|
|
|
|
|
|
|
|
|
/* Crypto Algo */
|
|
|
|
|
/* AES */
|
|
|
|
|
#define PIC32_CRYPTOALGO_AES_GCM 0b1110
|
|
|
|
|
#define PIC32_CRYPTOALGO_RCTR 0b1101
|
|
|
|
|
#define PIC32_CRYPTOALGO_RCBC_MAC 0b1100
|
|
|
|
|
#define PIC32_CRYPTOALGO_ROFB 0b1011
|
|
|
|
|
#define PIC32_CRYPTOALGO_RCFB 0b1010
|
|
|
|
|
#define PIC32_CRYPTOALGO_RCBC 0b1001
|
|
|
|
|
#define PIC32_CRYPTOALGO_RECB 0b1000
|
|
|
|
|
/* Triple-DES */
|
|
|
|
|
#define PIC32_CRYPTOALGO_TOFB 0b0111
|
|
|
|
|
#define PIC32_CRYPTOALGO_TCFB 0b0110
|
|
|
|
|
#define PIC32_CRYPTOALGO_TCBC 0b0101
|
|
|
|
|
#define PIC32_CRYPTOALGO_TECB 0b0100
|
|
|
|
|
/* DES */
|
|
|
|
|
#define PIC32_CRYPTOALGO_OFB 0b0011
|
|
|
|
|
#define PIC32_CRYPTOALGO_CFB 0b0010
|
|
|
|
|
#define PIC32_CRYPTOALGO_CBC 0b0001
|
|
|
|
|
#define PIC32_CRYPTOALGO_ECB 0b0000
|
|
|
|
|
|
|
|
|
|
/* Key Size */
|
|
|
|
|
#define PIC32_KEYSIZE_256 0b10
|
|
|
|
|
#define PIC32_KEYSIZE_192 0b01
|
|
|
|
|
#define PIC32_KEYSIZE_128 0b00
|
|
|
|
|
|
|
|
|
|
/* PIC32 Minimum Buffer/Block Sizes */
|
|
|
|
|
#define PIC32_BLOCKSIZE_HASH 64
|
|
|
|
|
#define PIC32_BLOCKSIZE_HMAC PIC32_BLOCKSIZE_HASH
|
|
|
|
|
#define PIC32_BLOCKSIZE_MD5 PIC32_BLOCKSIZE_HASH
|
|
|
|
|
#define PIC32_BLOCKSIZE_SHA1 PIC32_BLOCKSIZE_HASH
|
|
|
|
|
#define PIC32_BLOCKSIZE_SHA256 PIC32_BLOCKSIZE_HASH
|
|
|
|
|
#define PIC32_BLOCKSIZE_AES 16
|
|
|
|
|
#define PIC32_BLOCKSIZE_TDES 24
|
|
|
|
|
#define PIC32_BLOCKSIZE_DES 8
|
|
|
|
|
|
|
|
|
|
#define PIC32_DIGEST_SIZE 32
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Helper Macros */
|
|
|
|
|
#define PIC32MZ_IF_RAM(addr) (KVA_TO_PA(addr) < 0x1D000000)
|
|
|
|
|
|
|
|
|
|
/* If EF part then Crypto engine supports swapping output bytes */
|
|
|
|
|
#define PIC32_NO_OUT_SWAP ((__PIC32_FEATURE_SET0 == 'E') && \
|
|
|
|
|
(__PIC32_FEATURE_SET1 == 'C'))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#ifndef NO_AES
|
|
|
|
|
int wc_Pic32AesCrypt(word32 *key, int keyLen, word32 *iv, int ivLen,
|
|
|
|
|
byte* out, const byte* in, word32 sz,
|
|
|
|
|
int dir, int algo, int cryptoalgo);
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef NO_DES3
|
|
|
|
|
int wc_Pic32DesCrypt(word32 *key, int keyLen, word32 *iv, int ivLen,
|
|
|
|
|
byte* out, const byte* in, word32 sz,
|
|
|
|
|
int dir, int algo, int cryptoalgo);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifdef WOLFSSL_PIC32MZ_HASH
|
|
|
|
|
#define WOLFSSL_NO_HASH_RAW
|
|
|
|
|
|
|
|
|
|
int wc_Pic32Hash(const byte* in, int inLen, word32* out, int outLen, int algo);
|
|
|
|
|
int wc_Pic32HashCopy(hashUpdCache* src, hashUpdCache* dst);
|
|
|
|
|
|
|
|
|
|
#ifndef NO_MD5
|
|
|
|
|
struct wc_Md5;
|
|
|
|
|
void wc_Md5Pic32Free(struct wc_Md5* md5);
|
|
|
|
|
#endif
|
|
|
|
|
#ifndef NO_SHA
|
|
|
|
|
struct wc_Sha;
|
|
|
|
|
void wc_ShaPic32Free(struct wc_Sha* sha);
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef NO_SHA256
|
|
|
|
|
struct wc_Sha256;
|
|
|
|
|
void wc_Sha256Pic32Free(struct wc_Sha256* sha256);
|
|
|
|
|
#endif
|
|
|
|
|
#endif /* WOLFSSL_PIC32MZ_HASH */
|
|
|
|
|
|
|
|
|
|
#endif /* WOLFSSL_MICROCHIP_PIC32MZ */
|
|
|
|
|
|
|
|
|
|
#ifdef __cplusplus
|
|
|
|
|
} /* extern "C" */
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#endif /* PIC32MZ_CRYPT_H */
|
