135 lines
4.4 KiB
C
135 lines
4.4 KiB
C
|
/* atmel.h
|
||
|
|
*
|
||
|
|
* Copyright (C) 2006-2019 wolfSSL Inc.
|
||
|
|
*
|
||
|
|
* 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 _ATECC508_H_
|
||
|
|
#define _ATECC508_H_
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
#include <wolfssl/wolfcrypt/settings.h>
|
||
|
|
#include <wolfssl/wolfcrypt/error-crypt.h>
|
||
|
|
|
||
|
|
#if defined(WOLFSSL_ATECC508A) || defined(WOLFSSL_ATECC_PKCB)
|
||
|
|
#undef SHA_BLOCK_SIZE
|
||
|
|
#define SHA_BLOCK_SIZE SHA_BLOCK_SIZE_REMAP
|
||
|
|
#include <cryptoauthlib.h>
|
||
|
|
#undef SHA_BLOCK_SIZE
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* ATECC508A only supports ECC P-256 */
|
||
|
|
#define ATECC_KEY_SIZE (32)
|
||
|
|
#define ATECC_PUBKEY_SIZE (ATECC_KEY_SIZE*2) /* X and Y */
|
||
|
|
#define ATECC_SIG_SIZE (ATECC_KEY_SIZE*2) /* R and S */
|
||
|
|
#ifndef ATECC_MAX_SLOT
|
||
|
|
#define ATECC_MAX_SLOT (0x8) /* Only use 0-7 */
|
||
|
|
#endif
|
||
|
|
#define ATECC_INVALID_SLOT (0xFF)
|
||
|
|
|
||
|
|
/* Device Key for signing */
|
||
|
|
#ifndef ATECC_SLOT_AUTH_PRIV
|
||
|
|
#define ATECC_SLOT_AUTH_PRIV (0x0)
|
||
|
|
#endif
|
||
|
|
/* Ephemeral key */
|
||
|
|
#ifndef ATECC_SLOT_ECDHE_PRIV
|
||
|
|
#define ATECC_SLOT_ECDHE_PRIV (0x2)
|
||
|
|
#endif
|
||
|
|
/* Symmetric encryption key */
|
||
|
|
#ifndef ATECC_SLOT_I2C_ENC
|
||
|
|
#define ATECC_SLOT_I2C_ENC (0x04)
|
||
|
|
#endif
|
||
|
|
/* Parent encryption key */
|
||
|
|
#ifndef ATECC_SLOT_ENC_PARENT
|
||
|
|
#define ATECC_SLOT_ENC_PARENT (0x7)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* ATECC_KEY_SIZE required for ecc.h */
|
||
|
|
#include <wolfssl/wolfcrypt/ecc.h>
|
||
|
|
|
||
|
|
struct WOLFSSL;
|
||
|
|
struct WOLFSSL_CTX;
|
||
|
|
struct WOLFSSL_X509_STORE_CTX;
|
||
|
|
struct ecc_key;
|
||
|
|
|
||
|
|
/* Atmel port functions */
|
||
|
|
int atmel_init(void);
|
||
|
|
void atmel_finish(void);
|
||
|
|
int atmel_get_random_number(uint32_t count, uint8_t* rand_out);
|
||
|
|
#ifndef ATMEL_GET_RANDOM_BLOCK_DEFINED
|
||
|
|
int atmel_get_random_block(unsigned char* output, unsigned int sz);
|
||
|
|
#define ATMEL_GET_RANDOM_BLOCK_DEFINED
|
||
|
|
#endif
|
||
|
|
long atmel_get_curr_time_and_date(long* tm);
|
||
|
|
|
||
|
|
#ifdef WOLFSSL_ATECC508A
|
||
|
|
|
||
|
|
enum atmelSlotType {
|
||
|
|
ATMEL_SLOT_ANY,
|
||
|
|
ATMEL_SLOT_ENCKEY,
|
||
|
|
ATMEL_SLOT_DEVICE,
|
||
|
|
ATMEL_SLOT_ECDHE,
|
||
|
|
ATMEL_SLOT_ECDHE_ENC,
|
||
|
|
};
|
||
|
|
|
||
|
|
int atmel_ecc_alloc(int slotType);
|
||
|
|
void atmel_ecc_free(int slotId);
|
||
|
|
|
||
|
|
typedef int (*atmel_slot_alloc_cb)(int);
|
||
|
|
typedef void (*atmel_slot_dealloc_cb)(int);
|
||
|
|
int atmel_set_slot_allocator(atmel_slot_alloc_cb alloc,
|
||
|
|
atmel_slot_dealloc_cb dealloc);
|
||
|
|
|
||
|
|
int atmel_ecc_translate_err(int status);
|
||
|
|
int atmel_get_rev_info(word32* revision);
|
||
|
|
void atmel_show_rev_info(void);
|
||
|
|
|
||
|
|
/* The macro ATECC_GET_ENC_KEY can be set to override the default
|
||
|
|
encryption key with your own at build-time */
|
||
|
|
#ifndef ATECC_GET_ENC_KEY
|
||
|
|
#define ATECC_GET_ENC_KEY(enckey, keysize) atmel_get_enc_key_default((enckey), (keysize))
|
||
|
|
#endif
|
||
|
|
int atmel_get_enc_key_default(byte* enckey, word16 keysize);
|
||
|
|
int atmel_ecc_create_pms(int slotId, const uint8_t* peerKey, uint8_t* pms);
|
||
|
|
int atmel_ecc_create_key(int slotId, byte* peerKey);
|
||
|
|
int atmel_ecc_sign(int slotId, const byte* message, byte* signature);
|
||
|
|
int atmel_ecc_verify(const byte* message, const byte* signature,
|
||
|
|
const byte* pubkey, int* verified);
|
||
|
|
|
||
|
|
#endif /* WOLFSSL_ATECC508A */
|
||
|
|
|
||
|
|
#ifdef HAVE_PK_CALLBACKS
|
||
|
|
int atcatls_create_key_cb(struct WOLFSSL* ssl, struct ecc_key* key, unsigned int keySz,
|
||
|
|
int ecc_curve, void* ctx);
|
||
|
|
int atcatls_create_pms_cb(struct WOLFSSL* ssl, struct ecc_key* otherKey,
|
||
|
|
unsigned char* pubKeyDer, word32* pubKeySz,
|
||
|
|
unsigned char* out, word32* outlen,
|
||
|
|
int side, void* ctx);
|
||
|
|
int atcatls_sign_certificate_cb(struct WOLFSSL* ssl, const byte* in, unsigned int inSz,
|
||
|
|
byte* out, word32* outSz, const byte* key, unsigned int keySz, void* ctx);
|
||
|
|
int atcatls_verify_signature_cb(struct WOLFSSL* ssl, const byte* sig, unsigned int sigSz,
|
||
|
|
const byte* hash, unsigned int hashSz, const byte* key, unsigned int keySz,
|
||
|
|
int* result, void* ctx);
|
||
|
|
|
||
|
|
int atcatls_set_callbacks(struct WOLFSSL_CTX* ctx);
|
||
|
|
int atcatls_set_callback_ctx(struct WOLFSSL* ssl, void* user_ctx);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* _ATECC508_H_ */
|