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Merge branch 'bugfix/dport_protect_crypto' into 'master'

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add protection for crypto registers in DPORT

See merge request !928
This commit is contained in:
Ivan Grokhotkov 2017-08-30 11:45:35 +08:00
commit a25eb825e1
16 changed files with 440 additions and 240 deletions
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23
components/esp32/dport_access.c
View File

@ -69,21 +69,23 @@ static BaseType_t oldInterruptLevel[2];
void IRAM_ATTR esp_dport_access_stall_other_cpu_start(void)
{
#ifndef CONFIG_FREERTOS_UNICORE
int cpu_id = xPortGetCoreID();
if (dport_core_state[0] == DPORT_CORE_STATE_IDLE
|| dport_core_state[1] == DPORT_CORE_STATE_IDLE) {
|| dport_core_state[1] == DPORT_CORE_STATE_IDLE) {
return;
}
BaseType_t intLvl = portENTER_CRITICAL_NESTED();
int cpu_id = xPortGetCoreID();
#ifdef DPORT_ACCESS_BENCHMARK
ccount_start[cpu_id] = XTHAL_GET_CCOUNT();
#endif
BaseType_t intLvl=portENTER_CRITICAL_NESTED();
oldInterruptLevel[cpu_id]=intLvl;
if (dport_access_ref[cpu_id] == 0) {
portENTER_CRITICAL_ISR(&g_dport_mux);
portENTER_CRITICAL_ISR(&g_dport_mux);
oldInterruptLevel[cpu_id]=intLvl;
dport_access_start[cpu_id] = 0;
dport_access_end[cpu_id] = 0;
@ -100,6 +102,11 @@ void IRAM_ATTR esp_dport_access_stall_other_cpu_start(void)
}
dport_access_ref[cpu_id]++;
if (dport_access_ref[cpu_id] > 1) {
/* Interrupts are already disabled by the parent, we're nested here. */
portEXIT_CRITICAL_NESTED(intLvl);
}
#endif /* CONFIG_FREERTOS_UNICORE */
}
@ -124,9 +131,9 @@ void IRAM_ATTR esp_dport_access_stall_other_cpu_end(void)
dport_access_end[cpu_id] = 1;
portEXIT_CRITICAL_ISR(&g_dport_mux);
portEXIT_CRITICAL_NESTED(oldInterruptLevel[cpu_id]);
}
portEXIT_CRITICAL_NESTED(oldInterruptLevel[cpu_id]);
#ifdef DPORT_ACCESS_BENCHMARK
ccount_end[cpu_id] = XTHAL_GET_CCOUNT();

202
components/esp32/hwcrypto/aes.c
View File

@ -3,7 +3,7 @@
* Based on mbedTLS FIPS-197 compliant version.
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* Additions Copyright (C) 2016, Espressif Systems (Shanghai) PTE Ltd
* Additions Copyright (C) 2016-2017, Espressif Systems (Shanghai) PTE Ltd
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
@ -26,35 +26,60 @@
* http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
*/
#include <string.h>
#include "mbedtls/aes.h"
#include "hwcrypto/aes.h"
#include "rom/aes.h"
#include "soc/dport_reg.h"
#include "soc/hwcrypto_reg.h"
#include <sys/lock.h>
static _lock_t aes_lock;
#include <freertos/FreeRTOS.h>
#include "soc/cpu.h"
#include <stdio.h>
/* AES uses a spinlock mux not a lock as the underlying block operation
only takes 208 cycles (to write key & compute block), +600 cycles
for DPORT protection but +3400 cycles again if you use a full sized lock.
For CBC, CFB, etc. this may mean that interrupts are disabled for a longer
period of time for bigger lengths. However at the moment this has to happen
anyway due to DPORT protection...
*/
static portMUX_TYPE aes_spinlock = portMUX_INITIALIZER_UNLOCKED;
void esp_aes_acquire_hardware( void )
{
/* newlib locks lazy initialize on ESP-IDF */
_lock_acquire(&aes_lock);
/* Enable AES hardware */
DPORT_REG_SET_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_AES);
/* Clear reset on digital signature & secure boot units,
otherwise AES unit is held in reset also. */
DPORT_REG_CLR_BIT(DPORT_PERI_RST_EN_REG,
DPORT_PERI_EN_AES
| DPORT_PERI_EN_DIGITAL_SIGNATURE
| DPORT_PERI_EN_SECUREBOOT);
portENTER_CRITICAL(&aes_spinlock);
DPORT_STALL_OTHER_CPU_START();
{
/* Enable AES hardware */
_DPORT_REG_SET_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_AES);
/* Clear reset on digital signature & secure boot units,
otherwise AES unit is held in reset also. */
_DPORT_REG_CLR_BIT(DPORT_PERI_RST_EN_REG,
DPORT_PERI_EN_AES
| DPORT_PERI_EN_DIGITAL_SIGNATURE
| DPORT_PERI_EN_SECUREBOOT);
}
DPORT_STALL_OTHER_CPU_END();
}
void esp_aes_release_hardware( void )
{
/* Disable AES hardware */
DPORT_REG_SET_BIT(DPORT_PERI_RST_EN_REG, DPORT_PERI_EN_AES);
/* Don't return other units to reset, as this pulls
reset on RSA & SHA units, respectively. */
DPORT_REG_CLR_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_AES);
_lock_release(&aes_lock);
DPORT_STALL_OTHER_CPU_START();
{
/* Disable AES hardware */
_DPORT_REG_SET_BIT(DPORT_PERI_RST_EN_REG, DPORT_PERI_EN_AES);
/* Don't return other units to reset, as this pulls
reset on RSA & SHA units, respectively. */
_DPORT_REG_CLR_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_AES);
}
DPORT_STALL_OTHER_CPU_END();
portEXIT_CRITICAL(&aes_spinlock);
}
void esp_aes_init( esp_aes_context *ctx )
@ -71,55 +96,18 @@ void esp_aes_free( esp_aes_context *ctx )
bzero( ctx, sizeof( esp_aes_context ) );
}
/* Translate number of bits to an AES_BITS enum */
static int keybits_to_aesbits(unsigned int keybits)
{
switch (keybits) {
case 128:
return AES128;
case 192:
return AES192;
break;
case 256:
return AES256;
default:
return ( ERR_ESP_AES_INVALID_KEY_LENGTH );
}
}
/*
* AES key schedule (encryption)
* AES key schedule (same for encryption or decryption, as hardware handles schedule)
*
*/
int esp_aes_setkey_enc( esp_aes_context *ctx, const unsigned char *key,
unsigned int keybits )
int esp_aes_setkey( esp_aes_context *ctx, const unsigned char *key,
unsigned int keybits )
{
uint16_t keybytes = keybits / 8;
int aesbits = keybits_to_aesbits(keybits);
if (aesbits < 0) {
return aesbits;
if (keybits != 128 && keybits != 192 && keybits != 256) {
return MBEDTLS_ERR_AES_INVALID_KEY_LENGTH;
}
ctx->enc.aesbits = aesbits;
bzero(ctx->enc.key, sizeof(ctx->enc.key));
memcpy(ctx->enc.key, key, keybytes);
return 0;
}
/*
* AES key schedule (decryption)
*
*/
int esp_aes_setkey_dec( esp_aes_context *ctx, const unsigned char *key,
unsigned int keybits )
{
uint16_t keybytes = keybits / 8;
int aesbits = keybits_to_aesbits(keybits);
if (aesbits < 0) {
return aesbits;
}
ctx->dec.aesbits = aesbits;
bzero(ctx->dec.key, sizeof(ctx->dec.key));
memcpy(ctx->dec.key, key, keybytes);
ctx->key_bytes = keybits / 8;
memcpy(ctx->key, key, ctx->key_bytes);
return 0;
}
@ -127,16 +115,41 @@ int esp_aes_setkey_dec( esp_aes_context *ctx, const unsigned char *key,
* Helper function to copy key from esp_aes_context buffer
* to hardware key registers.
*
* Only call when protected by esp_aes_acquire_hardware().
* Call only while holding esp_aes_acquire_hardware().
*/
static inline int esp_aes_setkey_hardware( esp_aes_context *ctx, int mode)
static inline void esp_aes_setkey_hardware( esp_aes_context *ctx, int mode)
{
if ( mode == ESP_AES_ENCRYPT ) {
ets_aes_setkey_enc(ctx->enc.key, ctx->enc.aesbits);
} else {
ets_aes_setkey_dec(ctx->dec.key, ctx->dec.aesbits);
const uint32_t MODE_DECRYPT_BIT = 4;
unsigned mode_reg_base = (mode == ESP_AES_ENCRYPT) ? 0 : MODE_DECRYPT_BIT;
memcpy((uint32_t *)AES_KEY_BASE, ctx->key, ctx->key_bytes);
DPORT_REG_WRITE(AES_MODE_REG, mode_reg_base + ((ctx->key_bytes / 8) - 2));
}
/* Run a single 16 byte block of AES, using the hardware engine.
*
* Call only while holding esp_aes_acquire_hardware().
*/
static inline void esp_aes_block(const void *input, void *output)
{
const uint32_t *input_words = (const uint32_t *)input;
uint32_t *output_words = (uint32_t *)output;
uint32_t *mem_block = (uint32_t *)AES_TEXT_BASE;
for(int i = 0; i < 4; i++) {
mem_block[i] = input_words[i];
}
return 0;
DPORT_REG_WRITE(AES_START_REG, 1);
DPORT_STALL_OTHER_CPU_START();
{
while (_DPORT_REG_READ(AES_IDLE_REG) != 1) { }
for (int i = 0; i < 4; i++) {
output_words[i] = mem_block[i];
}
}
DPORT_STALL_OTHER_CPU_END();
}
/*
@ -148,7 +161,7 @@ void esp_aes_encrypt( esp_aes_context *ctx,
{
esp_aes_acquire_hardware();
esp_aes_setkey_hardware(ctx, ESP_AES_ENCRYPT);
ets_aes_crypt(input, output);
esp_aes_block(input, output);
esp_aes_release_hardware();
}
@ -162,7 +175,7 @@ void esp_aes_decrypt( esp_aes_context *ctx,
{
esp_aes_acquire_hardware();
esp_aes_setkey_hardware(ctx, ESP_AES_DECRYPT);
ets_aes_crypt(input, output);
esp_aes_block(input, output);
esp_aes_release_hardware();
}
@ -177,8 +190,9 @@ int esp_aes_crypt_ecb( esp_aes_context *ctx,
{
esp_aes_acquire_hardware();
esp_aes_setkey_hardware(ctx, mode);
ets_aes_crypt(input, output);
esp_aes_block(input, output);
esp_aes_release_hardware();
return 0;
}
@ -194,6 +208,9 @@ int esp_aes_crypt_cbc( esp_aes_context *ctx,
unsigned char *output )
{
int i;
uint32_t *output_words = (uint32_t *)output;
const uint32_t *input_words = (const uint32_t *)input;
uint32_t *iv_words = (uint32_t *)iv;
unsigned char temp[16];
if ( length % 16 ) {
@ -201,34 +218,36 @@ int esp_aes_crypt_cbc( esp_aes_context *ctx,
}
esp_aes_acquire_hardware();
esp_aes_setkey_hardware(ctx, mode);
if ( mode == ESP_AES_DECRYPT ) {
while ( length > 0 ) {
memcpy( temp, input, 16 );
ets_aes_crypt(input, output);
memcpy(temp, input_words, 16);
esp_aes_block(input_words, output_words);
for ( i = 0; i < 16; i++ ) {
output[i] = (unsigned char)( output[i] ^ iv[i] );
for ( i = 0; i < 4; i++ ) {
output_words[i] = output_words[i] ^ iv_words[i];
}
memcpy( iv, temp, 16 );
memcpy( iv_words, temp, 16 );
input += 16;
output += 16;
input_words += 4;
output_words += 4;
length -= 16;
}
} else {
} else { // ESP_AES_ENCRYPT
while ( length > 0 ) {
for ( i = 0; i < 16; i++ ) {
output[i] = (unsigned char)( input[i] ^ iv[i] );
for ( i = 0; i < 4; i++ ) {
output_words[i] = input_words[i] ^ iv_words[i];
}
ets_aes_crypt(output, output);
memcpy( iv, output, 16 );
esp_aes_block(output_words, output_words);
memcpy( iv_words, output_words, 16 );
input += 16;
output += 16;
input_words += 4;
output_words += 4;
length -= 16;
}
}
@ -253,12 +272,13 @@ int esp_aes_crypt_cfb128( esp_aes_context *ctx,
size_t n = *iv_off;
esp_aes_acquire_hardware();
esp_aes_setkey_hardware(ctx, ESP_AES_ENCRYPT);
if ( mode == ESP_AES_DECRYPT ) {
while ( length-- ) {
if ( n == 0 ) {
ets_aes_crypt(iv, iv );
esp_aes_block(iv, iv );
}
c = *input++;
@ -270,7 +290,7 @@ int esp_aes_crypt_cfb128( esp_aes_context *ctx,
} else {
while ( length-- ) {
if ( n == 0 ) {
ets_aes_crypt(iv, iv );
esp_aes_block(iv, iv );
}
iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
@ -300,11 +320,12 @@ int esp_aes_crypt_cfb8( esp_aes_context *ctx,
unsigned char ov[17];
esp_aes_acquire_hardware();
esp_aes_setkey_hardware(ctx, ESP_AES_ENCRYPT);
while ( length-- ) {
memcpy( ov, iv, 16 );
ets_aes_crypt(iv, iv);
esp_aes_block(iv, iv);
if ( mode == ESP_AES_DECRYPT ) {
ov[16] = *input;
@ -339,11 +360,12 @@ int esp_aes_crypt_ctr( esp_aes_context *ctx,
size_t n = *nc_off;
esp_aes_acquire_hardware();
esp_aes_setkey_hardware(ctx, ESP_AES_ENCRYPT);
while ( length-- ) {
if ( n == 0 ) {
ets_aes_crypt(nonce_counter, stream_block);
esp_aes_block(nonce_counter, stream_block);
for ( i = 16; i > 0; i-- )
if ( ++nonce_counter[i - 1] != 0 ) {

90
components/esp32/hwcrypto/sha.c
View File

@ -159,19 +159,23 @@ static void esp_sha_lock_engine_inner(sha_engine_state *engine)
_lock_acquire(&state_change_lock);
if (sha_engines_all_idle()) {
/* Enable SHA hardware */
DPORT_REG_SET_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_SHA);
/* also clear reset on secure boot, otherwise SHA is held in reset */
DPORT_REG_CLR_BIT(DPORT_PERI_RST_EN_REG,
DPORT_PERI_EN_SHA
| DPORT_PERI_EN_SECUREBOOT);
ets_sha_enable();
DPORT_STALL_OTHER_CPU_START();
{
/* Enable SHA hardware */
_DPORT_REG_SET_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_SHA);
/* also clear reset on secure boot, otherwise SHA is held in reset */
_DPORT_REG_CLR_BIT(DPORT_PERI_RST_EN_REG,
DPORT_PERI_EN_SHA
| DPORT_PERI_EN_SECUREBOOT);
ets_sha_enable();
}
DPORT_STALL_OTHER_CPU_END();
}
_lock_release(&state_change_lock);
assert( !engine->in_use && "in_use flag should be cleared" );
engine->in_use = true;
_lock_release(&state_change_lock);
}
@ -187,8 +191,12 @@ void esp_sha_unlock_engine(esp_sha_type sha_type)
if (sha_engines_all_idle()) {
/* Disable SHA hardware */
/* Don't assert reset on secure boot, otherwise AES is held in reset */
DPORT_REG_SET_BIT(DPORT_PERI_RST_EN_REG, DPORT_PERI_EN_SHA);
DPORT_REG_CLR_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_SHA);
DPORT_STALL_OTHER_CPU_START();
{
_DPORT_REG_SET_BIT(DPORT_PERI_RST_EN_REG, DPORT_PERI_EN_SHA);
_DPORT_REG_CLR_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_SHA);
}
DPORT_STALL_OTHER_CPU_END();
}
_lock_release(&state_change_lock);
@ -198,10 +206,16 @@ void esp_sha_unlock_engine(esp_sha_type sha_type)
void esp_sha_wait_idle(void)
{
while(REG_READ(SHA_1_BUSY_REG) == 1) {}
while(REG_READ(SHA_256_BUSY_REG) == 1) {}
while(REG_READ(SHA_384_BUSY_REG) == 1) {}
while(REG_READ(SHA_512_BUSY_REG) == 1) {}
DPORT_STALL_OTHER_CPU_START();
while(1) {
if(_DPORT_REG_READ(SHA_1_BUSY_REG) == 0
&& _DPORT_REG_READ(SHA_256_BUSY_REG) == 0
&& _DPORT_REG_READ(SHA_384_BUSY_REG) == 0
&& _DPORT_REG_READ(SHA_512_BUSY_REG) == 0) {
break;
}
}
DPORT_STALL_OTHER_CPU_END();
}
void esp_sha_read_digest_state(esp_sha_type sha_type, void *digest_state)
@ -211,23 +225,26 @@ void esp_sha_read_digest_state(esp_sha_type sha_type, void *digest_state)
esp_sha_lock_memory_block();
esp_sha_wait_idle();
DPORT_STALL_OTHER_CPU_START(); // This block reads from DPORT memory (reg_addr_buf)
{
esp_sha_wait_idle();
REG_WRITE(SHA_LOAD_REG(sha_type), 1);
while(REG_READ(SHA_BUSY_REG(sha_type)) == 1) { }
_DPORT_REG_WRITE(SHA_LOAD_REG(sha_type), 1);
while(_DPORT_REG_READ(SHA_BUSY_REG(sha_type)) == 1) { }
uint32_t *digest_state_words = (uint32_t *)digest_state;
uint32_t *reg_addr_buf = (uint32_t *)(SHA_TEXT_BASE);
if(sha_type == SHA2_384 || sha_type == SHA2_512) {
/* for these ciphers using 64-bit states, swap each pair of words */
for(int i = 0; i < sha_length(sha_type)/4; i += 2) {
digest_state_words[i+1] = reg_addr_buf[i];
digest_state_words[i]= reg_addr_buf[i+1];
uint32_t *digest_state_words = (uint32_t *)digest_state;
uint32_t *reg_addr_buf = (uint32_t *)(SHA_TEXT_BASE);
if(sha_type == SHA2_384 || sha_type == SHA2_512) {
/* for these ciphers using 64-bit states, swap each pair of words */
for(int i = 0; i < sha_length(sha_type)/4; i += 2) {
digest_state_words[i+1] = reg_addr_buf[i];
digest_state_words[i]= reg_addr_buf[i+1];
}
} else {
memcpy(digest_state_words, reg_addr_buf, sha_length(sha_type));
}
} else {
memcpy(digest_state_words, reg_addr_buf, sha_length(sha_type));
}
asm volatile ("memw");
DPORT_STALL_OTHER_CPU_END();
esp_sha_unlock_memory_block();
}
@ -250,9 +267,9 @@ void esp_sha_block(esp_sha_type sha_type, const void *data_block, bool is_first_
asm volatile ("memw");
if(is_first_block) {
REG_WRITE(SHA_START_REG(sha_type), 1);
DPORT_REG_WRITE(SHA_START_REG(sha_type), 1);
} else {
REG_WRITE(SHA_CONTINUE_REG(sha_type), 1);
DPORT_REG_WRITE(SHA_CONTINUE_REG(sha_type), 1);
}
esp_sha_unlock_memory_block();
@ -275,14 +292,23 @@ void esp_sha(esp_sha_type sha_type, const unsigned char *input, size_t ilen, uns
size_t chunk_len = (ilen > block_len) ? block_len : ilen;
esp_sha_lock_memory_block();
esp_sha_wait_idle();
ets_sha_update(&ctx, sha_type, input, chunk_len * 8);
DPORT_STALL_OTHER_CPU_START();
{
// This SHA ROM function reads DPORT regs
ets_sha_update(&ctx, sha_type, input, chunk_len * 8);
}
DPORT_STALL_OTHER_CPU_END();
esp_sha_unlock_memory_block();
input += chunk_len;
ilen -= chunk_len;
}
esp_sha_lock_memory_block();
esp_sha_wait_idle();
ets_sha_finish(&ctx, sha_type, output);
DPORT_STALL_OTHER_CPU_START();
{
ets_sha_finish(&ctx, sha_type, output);
}
DPORT_STALL_OTHER_CPU_END();
esp_sha_unlock_memory_block();
esp_sha_unlock_engine(sha_type);

2
components/esp32/include/esp_dport_access.h
View File

@ -12,6 +12,8 @@
// See the License for the specific language governing permissions and
// limitations under the License.
#include <sdkconfig.h>
#ifndef _ESP_DPORT_ACCESS_H_
#define _ESP_DPORT_ACCESS_H_

26
components/esp32/include/hwcrypto/aes.h
View File

@ -38,11 +38,6 @@ extern "C" {
#define ERR_ESP_AES_INVALID_KEY_LENGTH -0x0020 /**< Invalid key length. */
#define ERR_ESP_AES_INVALID_INPUT_LENGTH -0x0022 /**< Invalid data input length. */
typedef struct {
enum AES_BITS aesbits;
uint8_t key[32];
} key_context, KEY_CTX;
/**
* \brief AES context structure
*
@ -52,10 +47,8 @@ typedef struct {
* generating an extra round key
*/
typedef struct {
int nr; /*!< number of rounds */
uint32_t *rk; /*!< AES round keys */
KEY_CTX enc;
KEY_CTX dec;
uint8_t key_bytes;
uint8_t key[32];
} esp_aes_context;
/**
@ -94,7 +87,7 @@ void esp_aes_init( esp_aes_context *ctx );
void esp_aes_free( esp_aes_context *ctx );
/**
* \brief AES key schedule (encryption)
* \brief AES set key schedule (encryption or decryption)
*
* \param ctx AES context to be initialized
* \param key encryption key
@ -102,18 +95,7 @@ void esp_aes_free( esp_aes_context *ctx );
*
* \return 0 if successful, or ERR_AES_INVALID_KEY_LENGTH
*/
int esp_aes_setkey_enc( esp_aes_context *ctx, const unsigned char *key, unsigned int keybits );
/**
* \brief AES key schedule (decryption)
*
* \param ctx AES context to be initialized
* \param key decryption key
* \param keybits must be 128, 192 or 256
*
* \return 0 if successful, or ERR_AES_INVALID_KEY_LENGTH
*/
int esp_aes_setkey_dec( esp_aes_context *ctx, const unsigned char *key, unsigned int keybits );
int esp_aes_setkey( esp_aes_context *ctx, const unsigned char *key, unsigned int keybits );
/**
* \brief AES-ECB block encryption/decryption

28
components/mbedtls/Kconfig
View File

@ -31,26 +31,18 @@ config MBEDTLS_DEBUG
at runtime in order to enable mbedTLS debug output via the ESP
log mechanism.
config MBEDTLS_UNSAFE_ACCELERATION
bool "Allow buggy hardware acceleration features"
depends on !FREERTOS_UNICORE
default n
help
A bug currently prevents dual cores & crypto hardware acceleration from being used together.
Enable this option to allow hardware acceleration anyhow (note that invalid results or crashes may occur.)
config MBEDTLS_HARDWARE_AES
bool "Enable hardware AES acceleration"
depends on MBEDTLS_UNSAFE_ACCELERATION || FREERTOS_UNICORE
default y
help
Enable hardware accelerated AES encryption & decryption.
Note that if the ESP32 CPU is running at 240MHz, hardware AES does not
offer any speed boost over software AES.
config MBEDTLS_HARDWARE_MPI
bool "Enable hardware MPI (bignum) acceleration"
depends on MBEDTLS_UNSAFE_ACCELERATION || FREERTOS_UNICORE
default y
default n
help
Enable hardware accelerated multiple precision integer operations.
@ -62,7 +54,7 @@ config MBEDTLS_HARDWARE_MPI
config MBEDTLS_MPI_USE_INTERRUPT
bool "Use interrupt for MPI operations"
depends on MBEDTLS_HARDWARE_MPI
default y
default n
help
Use an interrupt to coordinate MPI operations.
@ -71,16 +63,18 @@ config MBEDTLS_MPI_USE_INTERRUPT
config MBEDTLS_HARDWARE_SHA
bool "Enable hardware SHA acceleration"
depends on MBEDTLS_UNSAFE_ACCELERATION || FREERTOS_UNICORE
default y
default n
help
Enable hardware accelerated SHA1, SHA256, SHA384 & SHA512 in mbedTLS.
Due to a hardware limitation, hardware acceleration is only
guaranteed if SHA digests are calculated one at a time. If more
than one SHA digest is calculated at the same time, only will
than one SHA digest is calculated at the same time, one will
be calculated fully in hardware and the rest will be calculated
(at least partially calculated) in software.
(at least partially calculated) in software. This happens automatically.
SHA hardware acceleration is faster than software in some situations but
slower in others. You should benchmark to find the best setting for you.
config MBEDTLS_HAVE_TIME
bool "Enable mbedtls time"

141
components/mbedtls/port/esp_bignum.c
View File

@ -52,7 +52,7 @@ static SemaphoreHandle_t op_complete_sem;
static IRAM_ATTR void rsa_complete_isr(void *arg)
{
BaseType_t higher_woken;
REG_WRITE(RSA_INTERRUPT_REG, 1);
DPORT_REG_WRITE(RSA_INTERRUPT_REG, 1);
xSemaphoreGiveFromISR(op_complete_sem, &higher_woken);
if (higher_woken) {
portYIELD_FROM_ISR();
@ -76,16 +76,19 @@ void esp_mpi_acquire_hardware( void )
/* newlib locks lazy initialize on ESP-IDF */
_lock_acquire(&mpi_lock);
DPORT_REG_SET_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_RSA);
/* also clear reset on digital signature, otherwise RSA is held in reset */
DPORT_REG_CLR_BIT(DPORT_PERI_RST_EN_REG,
DPORT_PERI_EN_RSA
| DPORT_PERI_EN_DIGITAL_SIGNATURE);
DPORT_STALL_OTHER_CPU_START();
{
_DPORT_REG_SET_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_RSA);
/* also clear reset on digital signature, otherwise RSA is held in reset */
_DPORT_REG_CLR_BIT(DPORT_PERI_RST_EN_REG,
DPORT_PERI_EN_RSA
| DPORT_PERI_EN_DIGITAL_SIGNATURE);
DPORT_REG_CLR_BIT(DPORT_RSA_PD_CTRL_REG, DPORT_RSA_PD);
while(REG_READ(RSA_CLEAN_REG) != 1);
_DPORT_REG_CLR_BIT(DPORT_RSA_PD_CTRL_REG, DPORT_RSA_PD);
}
DPORT_STALL_OTHER_CPU_END();
while(DPORT_REG_READ(RSA_CLEAN_REG) != 1);
// Note: from enabling RSA clock to here takes about 1.3us
#ifdef CONFIG_MBEDTLS_MPI_USE_INTERRUPT
@ -95,11 +98,15 @@ void esp_mpi_acquire_hardware( void )
void esp_mpi_release_hardware( void )
{
DPORT_REG_SET_BIT(DPORT_RSA_PD_CTRL_REG, DPORT_RSA_PD);
DPORT_STALL_OTHER_CPU_START();
{
_DPORT_REG_SET_BIT(DPORT_RSA_PD_CTRL_REG, DPORT_RSA_PD);
/* don't reset digital signature unit, as this resets AES also */
DPORT_REG_SET_BIT(DPORT_PERI_RST_EN_REG, DPORT_PERI_EN_RSA);
DPORT_REG_CLR_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_RSA);
/* don't reset digital signature unit, as this resets AES also */
_DPORT_REG_SET_BIT(DPORT_PERI_RST_EN_REG, DPORT_PERI_EN_RSA);
_DPORT_REG_CLR_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_RSA);
}
DPORT_STALL_OTHER_CPU_END();
_lock_release(&mpi_lock);
}
@ -139,6 +146,9 @@ static inline size_t bits_to_hardware_words(size_t num_bits)
If num_words is higher than the number of words in the bignum then
these additional words will be zeroed in the memory buffer.
As this function only writes to DPORT memory, no DPORT_STALL_OTHER_CPU_START()
is required.
*/
static inline void mpi_to_mem_block(uint32_t mem_base, const mbedtls_mpi *mpi, size_t num_words)
{
@ -146,10 +156,14 @@ static inline void mpi_to_mem_block(uint32_t mem_base, const mbedtls_mpi *mpi, s
uint32_t copy_words = num_words < mpi->n ? num_words : mpi->n;
/* Copy MPI data to memory block registers */
memcpy(pbase, mpi->p, copy_words * 4);
for (int i = 0; i < copy_words; i++) {
pbase[i] = mpi->p[i];
}
/* Zero any remaining memory block data */
bzero(pbase + copy_words, (num_words - copy_words) * 4);
for (int i = copy_words; i < num_words; i++) {
pbase[i] = 0;
}
/* Note: not executing memw here, can do it before we start a bignum operation */
}
@ -159,6 +173,8 @@ static inline void mpi_to_mem_block(uint32_t mem_base, const mbedtls_mpi *mpi, s
Reads num_words words from block.
Can return a failure result if fails to grow the MPI result.
Cannot be called inside DPORT_STALL_OTHER_CPU_START() (as may allocate memory).
*/
static inline int mem_block_to_mpi(mbedtls_mpi *x, uint32_t mem_base, int num_words)
{
@ -167,7 +183,13 @@ static inline int mem_block_to_mpi(mbedtls_mpi *x, uint32_t mem_base, int num_wo
MBEDTLS_MPI_CHK( mbedtls_mpi_grow(x, num_words) );
/* Copy data from memory block registers */
memcpy(x->p, (uint32_t *)mem_base, num_words * 4);
DPORT_STALL_OTHER_CPU_START();
{
for (size_t i = 0; i < num_words; ++i) {
x->p[i] = _DPORT_REG_READ(mem_base + i * 4);
}
}
DPORT_STALL_OTHER_CPU_END();
/* Zero any remaining limbs in the bignum, if the buffer is bigger
than num_words */
@ -236,32 +258,44 @@ static int calculate_rinv(mbedtls_mpi *Rinv, const mbedtls_mpi *M, int num_words
}
/* Execute RSA operation. op_reg specifies which 'START' register
/* Begin an RSA operation. op_reg specifies which 'START' register
to write to.
Because the only DPORT operations here are writes,
does not need protecting via DPORT_STALL_OTHER_CPU_START();
*/
static inline void execute_op(uint32_t op_reg)
static inline void start_op(uint32_t op_reg)
{
/* Clear interrupt status */
REG_WRITE(RSA_INTERRUPT_REG, 1);
DPORT_REG_WRITE(RSA_INTERRUPT_REG, 1);
/* Note: above REG_WRITE includes a memw, so we know any writes
to the memory blocks are also complete. */
REG_WRITE(op_reg, 1);
DPORT_REG_WRITE(op_reg, 1);
}
/* Wait for an RSA operation to complete.
This should NOT be called inside a DPORT_STALL_OTHER_CPU_START(), as it will stall the other CPU for an unacceptably long
period (and - depending on config - may require interrupts enabled).
*/
static inline void wait_op_complete(uint32_t op_reg)
{
#ifdef CONFIG_MBEDTLS_MPI_USE_INTERRUPT
if (!xSemaphoreTake(op_complete_sem, 2000 / portTICK_PERIOD_MS)) {
ESP_LOGE(TAG, "Timed out waiting for RSA operation (op_reg 0x%x int_reg 0x%x)",
op_reg, REG_READ(RSA_INTERRUPT_REG));
op_reg, DPORT_REG_READ(RSA_INTERRUPT_REG));
abort(); /* indicates a fundamental problem with driver */
}
#else
while(REG_READ(RSA_INTERRUPT_REG) != 1)
while(DPORT_REG_READ(RSA_INTERRUPT_REG) != 1)
{ }
#endif
/* clear the interrupt */
REG_WRITE(RSA_INTERRUPT_REG, 1);
DPORT_REG_WRITE(RSA_INTERRUPT_REG, 1);
#endif
}
/* Sub-stages of modulo multiplication/exponentiation operations */
@ -285,20 +319,24 @@ int esp_mpi_mul_mpi_mod(mbedtls_mpi *Z, const mbedtls_mpi *X, const mbedtls_mpi
esp_mpi_acquire_hardware();
/* (As the following are all writes to DPORT memory, no DPORT_STALL_OTHER_CPU_START is required.) */
/* Load M, X, Rinv, Mprime (Mprime is mod 2^32) */
mpi_to_mem_block(RSA_MEM_M_BLOCK_BASE, M, num_words);
mpi_to_mem_block(RSA_MEM_X_BLOCK_BASE, X, num_words);
mpi_to_mem_block(RSA_MEM_RB_BLOCK_BASE, &Rinv, num_words);
REG_WRITE(RSA_M_DASH_REG, (uint32_t)Mprime);
DPORT_REG_WRITE(RSA_M_DASH_REG, (uint32_t)Mprime);
/* "mode" register loaded with number of 512-bit blocks, minus 1 */
REG_WRITE(RSA_MULT_MODE_REG, (num_words / 16) - 1);
DPORT_REG_WRITE(RSA_MULT_MODE_REG, (num_words / 16) - 1);
/* Execute first stage montgomery multiplication */
execute_op(RSA_MULT_START_REG);
start_op(RSA_MULT_START_REG);
wait_op_complete(RSA_MULT_START_REG);
/* execute second stage */
MBEDTLS_MPI_CHK( modular_multiply_finish(Z, X, Y, num_words) );
ret = modular_multiply_finish(Z, X, Y, num_words);
esp_mpi_release_hardware();
@ -364,20 +402,23 @@ int mbedtls_mpi_exp_mod( mbedtls_mpi* Z, const mbedtls_mpi* X, const mbedtls_mpi
esp_mpi_acquire_hardware();
/* (As the following are all writes to DPORT memory, no DPORT_STALL_OTHER_CPU_START is required.) */
/* "mode" register loaded with number of 512-bit blocks, minus 1 */
REG_WRITE(RSA_MODEXP_MODE_REG, (num_words / 16) - 1);
DPORT_REG_WRITE(RSA_MODEXP_MODE_REG, (num_words / 16) - 1);
/* Load M, X, Rinv, M-prime (M-prime is mod 2^32) */
mpi_to_mem_block(RSA_MEM_X_BLOCK_BASE, X, num_words);
mpi_to_mem_block(RSA_MEM_Y_BLOCK_BASE, Y, num_words);
mpi_to_mem_block(RSA_MEM_M_BLOCK_BASE, M, num_words);
mpi_to_mem_block(RSA_MEM_RB_BLOCK_BASE, Rinv, num_words);
REG_WRITE(RSA_M_DASH_REG, Mprime);
DPORT_REG_WRITE(RSA_M_DASH_REG, Mprime);
execute_op(RSA_START_MODEXP_REG);
start_op(RSA_START_MODEXP_REG);
wait_op_complete(RSA_START_MODEXP_REG);
ret = mem_block_to_mpi(Z, RSA_MEM_Z_BLOCK_BASE, num_words);
esp_mpi_release_hardware();
cleanup:
@ -405,11 +446,14 @@ int mbedtls_mpi_exp_mod( mbedtls_mpi* Z, const mbedtls_mpi* X, const mbedtls_mpi
*/
static int modular_multiply_finish(mbedtls_mpi *Z, const mbedtls_mpi *X, const mbedtls_mpi *Y, size_t num_words)
{
int ret;
int ret = 0;
/* Load Y to X input memory block, rerun */
mpi_to_mem_block(RSA_MEM_X_BLOCK_BASE, Y, num_words);
execute_op(RSA_MULT_START_REG);
start_op(RSA_MULT_START_REG);
wait_op_complete(RSA_MULT_START_REG);
/* Read result into Z */
ret = mem_block_to_mpi(Z, RSA_MEM_Z_BLOCK_BASE, num_words);
@ -427,7 +471,7 @@ static int mpi_mult_mpi_overlong(mbedtls_mpi *Z, const mbedtls_mpi *X, const mbe
/* Z = X * Y */
int mbedtls_mpi_mul_mpi( mbedtls_mpi *Z, const mbedtls_mpi *X, const mbedtls_mpi *Y )
{
int ret;
int ret = 0;
size_t bits_x, bits_y, words_x, words_y, words_mult, words_z;
/* Count words needed for X & Y in hardware */
@ -502,14 +546,16 @@ int mbedtls_mpi_mul_mpi( mbedtls_mpi *Z, const mbedtls_mpi *X, const mbedtls_mpi
This is OK for now because zeroing is done by hardware when we do esp_mpi_acquire_hardware().
*/
REG_WRITE(RSA_M_DASH_REG, 0);
DPORT_REG_WRITE(RSA_M_DASH_REG, 0);
/* "mode" register loaded with number of 512-bit blocks in result,
plus 7 (for range 9-12). (this is ((N~ / 32) - 1) + 8))
*/
REG_WRITE(RSA_MULT_MODE_REG, (words_z / 16) + 7);
DPORT_REG_WRITE(RSA_MULT_MODE_REG, (words_z / 16) + 7);
execute_op(RSA_MULT_START_REG);
start_op(RSA_MULT_START_REG);
wait_op_complete(RSA_MULT_START_REG);
/* Read back the result */
ret = mem_block_to_mpi(Z, RSA_MEM_Z_BLOCK_BASE, words_z);
@ -547,31 +593,32 @@ static int mpi_mult_mpi_failover_mod_mult(mbedtls_mpi *Z, const mbedtls_mpi *X,
/* M = 2^num_words - 1, so block is entirely FF */
for(int i = 0; i < num_words; i++) {
REG_WRITE(RSA_MEM_M_BLOCK_BASE + i * 4, UINT32_MAX);
DPORT_REG_WRITE(RSA_MEM_M_BLOCK_BASE + i * 4, UINT32_MAX);
}
/* Mprime = 1 */
REG_WRITE(RSA_M_DASH_REG, 1);
DPORT_REG_WRITE(RSA_M_DASH_REG, 1);
/* "mode" register loaded with number of 512-bit blocks, minus 1 */
REG_WRITE(RSA_MULT_MODE_REG, (num_words / 16) - 1);
DPORT_REG_WRITE(RSA_MULT_MODE_REG, (num_words / 16) - 1);
/* Load X */
mpi_to_mem_block(RSA_MEM_X_BLOCK_BASE, X, num_words);
/* Rinv = 1 */
REG_WRITE(RSA_MEM_RB_BLOCK_BASE, 1);
DPORT_REG_WRITE(RSA_MEM_RB_BLOCK_BASE, 1);
for(int i = 1; i < num_words; i++) {
REG_WRITE(RSA_MEM_RB_BLOCK_BASE + i * 4, 0);
DPORT_REG_WRITE(RSA_MEM_RB_BLOCK_BASE + i * 4, 0);
}
execute_op(RSA_MULT_START_REG);
start_op(RSA_MULT_START_REG);
wait_op_complete(RSA_MULT_START_REG);
/* finish the modular multiplication */
MBEDTLS_MPI_CHK( modular_multiply_finish(Z, X, Y, num_words) );
ret = modular_multiply_finish(Z, X, Y, num_words);
esp_mpi_release_hardware();
cleanup:
return ret;
}
@ -594,7 +641,7 @@ static int mpi_mult_mpi_failover_mod_mult(mbedtls_mpi *Z, const mbedtls_mpi *X,
*/
static int mpi_mult_mpi_overlong(mbedtls_mpi *Z, const mbedtls_mpi *X, const mbedtls_mpi *Y, size_t bits_y, size_t words_result)
{
int ret;
int ret = 0;
mbedtls_mpi Ztemp;
const size_t limbs_y = (bits_y + biL - 1) / biL;
/* Rather than slicing in two on bits we slice on limbs (32 bit words) */

4
components/mbedtls/port/include/aes_alt.h
View File

@ -34,8 +34,8 @@ typedef esp_aes_context mbedtls_aes_context;
#define mbedtls_aes_init esp_aes_init
#define mbedtls_aes_free esp_aes_free
#define mbedtls_aes_setkey_enc esp_aes_setkey_enc
#define mbedtls_aes_setkey_dec esp_aes_setkey_dec
#define mbedtls_aes_setkey_enc esp_aes_setkey
#define mbedtls_aes_setkey_dec esp_aes_setkey
#define mbedtls_aes_crypt_ecb esp_aes_crypt_ecb
#if defined(MBEDTLS_CIPHER_MODE_CBC)
#define mbedtls_aes_crypt_cbc esp_aes_crypt_cbc

55
components/mbedtls/test/test_apb_dport_access.c Normal file
View File

@ -0,0 +1,55 @@
/* Implementation of utility functions to verify
unit tests aren't performing SMP-unsafe DPORT reads.
*/
#include "unity.h"
#include "sdkconfig.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "soc/uart_reg.h"
#include "test_apb_dport_access.h"
#ifndef CONFIG_FREERTOS_UNICORE
static void apb_access_loop_task(void *ignore);
static volatile bool apb_access_corrupt;
static TaskHandle_t apb_task_handle;
void start_apb_access_loop()
{
apb_access_corrupt = false;
xTaskCreatePinnedToCore(apb_access_loop_task, "accessAPB", 2048, NULL,
UNITY_FREERTOS_PRIORITY - 1,
&apb_task_handle, !UNITY_FREERTOS_CPU);
}
void verify_apb_access_loop()
{
vTaskDelete(apb_task_handle);
apb_task_handle = NULL;
TEST_ASSERT_FALSE(apb_access_corrupt);
printf("Verified no APB corruption from operations\n");
}
static void apb_access_loop_task(void *ignore)
{
uint32_t initial = REG_READ(UART_DATE_REG(0));
while(1) {
if (REG_READ(UART_DATE_REG(0)) != initial) {
apb_access_corrupt = true;
}
}
}
#else /*CONFIG_FREERTOS_UNICORE */
void start_apb_access_loop()
{
}
void verify_apb_access_loop()
{
}
#endif

18
components/mbedtls/test/test_apb_dport_access.h Normal file
View File

@ -0,0 +1,18 @@
/* Utility functions to test that APB access is still safe
while the other CPU performs some set of DPORT accesses
(see ECO 3.10 and the standalone esp32 test_dport.c for more).
*/
/* start_apb_access_loop() starts a task reading from APB in a loop on the non-Unity-test CPU.
Call this before doing something which involes DPORT reads.
Does nothing in unicore mode.
*/
void start_apb_access_loop();
/* verify_apb_access_loop() kills the task started by start_apb_access_loop()
and verifies that none of the APB reads were corrupted by unsafe DPORT reads.
*/
void verify_apb_access_loop();

7
components/mbedtls/test/test_mbedtls.c
View File

@ -20,19 +20,26 @@
#include "freertos/semphr.h"
#include "unity.h"
#include "sdkconfig.h"
#include "test_apb_dport_access.h"
TEST_CASE("mbedtls AES self-tests", "[aes]")
{
start_apb_access_loop();
TEST_ASSERT_FALSE_MESSAGE(mbedtls_aes_self_test(1), "AES self-tests should pass.");
verify_apb_access_loop();
}
TEST_CASE("mbedtls MPI self-tests", "[bignum]")
{
start_apb_access_loop();
TEST_ASSERT_FALSE_MESSAGE(mbedtls_mpi_self_test(1), "MPI self-tests should pass.");
verify_apb_access_loop();
}
TEST_CASE("mbedtls RSA self-tests", "[bignum]")
{
start_apb_access_loop();
TEST_ASSERT_FALSE_MESSAGE(mbedtls_rsa_self_test(1), "RSA self-tests should pass.");
verify_apb_access_loop();
}

25
components/mbedtls/test/test_mbedtls_sha.c
View File

@ -13,13 +13,16 @@
#include "freertos/semphr.h"
#include "unity.h"
#include "sdkconfig.h"
#include "test_apb_dport_access.h"
TEST_CASE("mbedtls SHA self-tests", "[mbedtls]")
{
start_apb_access_loop();
TEST_ASSERT_FALSE_MESSAGE(mbedtls_sha1_self_test(1), "SHA1 self-tests should pass.");
TEST_ASSERT_FALSE_MESSAGE(mbedtls_sha256_self_test(1), "SHA256 self-tests should pass.");
TEST_ASSERT_FALSE_MESSAGE(mbedtls_sha512_self_test(1), "SHA512 self-tests should pass.");
TEST_ASSERT_FALSE_MESSAGE(mbedtls_sha512_self_test(1), "SHA512 self-tests should pass.");
verify_apb_access_loop();
}
static const unsigned char *one_hundred_as = (unsigned char *)
@ -116,13 +119,15 @@ static void tskRunSHA256Test(void *pvParameters)
vTaskDelete(NULL);
}
TEST_CASE("mbedtls SHA multithreading", "[mbedtls][ignore]")
#define SHA_TASK_STACK_SIZE (10*1024)
TEST_CASE("mbedtls SHA multithreading", "[mbedtls]")
{
done_sem = xSemaphoreCreateCounting(4, 0);
xTaskCreate(tskRunSHA1Test, "SHA1Task1", 8192, NULL, 3, NULL);
xTaskCreate(tskRunSHA1Test, "SHA1Task2", 8192, NULL, 3, NULL);
xTaskCreate(tskRunSHA256Test, "SHA256Task1", 8192, NULL, 3, NULL);
xTaskCreate(tskRunSHA256Test, "SHA256Task2", 8192, NULL, 3, NULL);
xTaskCreate(tskRunSHA1Test, "SHA1Task1", SHA_TASK_STACK_SIZE, NULL, 3, NULL);
xTaskCreate(tskRunSHA1Test, "SHA1Task2", SHA_TASK_STACK_SIZE, NULL, 3, NULL);
xTaskCreate(tskRunSHA256Test, "SHA256Task1", SHA_TASK_STACK_SIZE, NULL, 3, NULL);
xTaskCreate(tskRunSHA256Test, "SHA256Task2", SHA_TASK_STACK_SIZE, NULL, 3, NULL);
for(int i = 0; i < 4; i++) {
if(!xSemaphoreTake(done_sem, 10000/portTICK_PERIOD_MS)) {
@ -162,14 +167,10 @@ void tskRunSHASelftests(void *param)
TEST_CASE("mbedtls SHA self-tests multithreaded", "[mbedtls]")
{
done_sem = xSemaphoreCreateCounting(2, 0);
xTaskCreate(tskRunSHASelftests, "SHASelftests1", 8192, NULL, 3, NULL);
xTaskCreate(tskRunSHASelftests, "SHASelftests2", 8192, NULL, 3, NULL);
xTaskCreate(tskRunSHASelftests, "SHASelftests1", SHA_TASK_STACK_SIZE, NULL, 3, NULL);
xTaskCreate(tskRunSHASelftests, "SHASelftests2", SHA_TASK_STACK_SIZE, NULL, 3, NULL);
#ifdef CONFIG_MBEDTLS_HARDWARE_SHA
const int TIMEOUT_MS = 12000;
#else
const int TIMEOUT_MS = 20000; // Soft-only SHA may need a little longer
#endif
const int TIMEOUT_MS = 20000;
for(int i = 0; i < 2; i++) {
if(!xSemaphoreTake(done_sem, TIMEOUT_MS/portTICK_PERIOD_MS)) {

21
components/soc/esp32/include/soc/dport_access.h
View File

@ -25,14 +25,21 @@ extern "C" {
//Registers Operation {{
//Register read macros with an underscore prefix access DPORT memory directly. In IDF apps, use the non-underscore versions to be SMP-safe.
// The _DPORT_xxx register read macros access DPORT memory directly (as opposed to
// DPORT_REG_READ which applies SMP-safe protections).
//
// Use DPORT_REG_READ versions to be SMP-safe in IDF apps. If you want to
// make a sequence of DPORT reads, use DPORT_STALL_OTHER_CPU_START() macro
// explicitly and then use _DPORT_REG_READ macro while other CPU is stalled.
//
// _DPORT_REG_WRITE & DPORT_REG_WRITE are equivalent.
#define _DPORT_REG_READ(_r) (*(volatile uint32_t *)(_r))
#define _DPORT_REG_WRITE(_r, _v) (*(volatile uint32_t *)(_r)) = (_v)
//write value to register
// Write value to DPORT register (does not require protecting)
#define DPORT_REG_WRITE(_r, _v) _DPORT_REG_WRITE((_r), (_v))
//read value from register
// Read value from register, SMP-safe version.
static inline uint32_t IRAM_ATTR DPORT_REG_READ(uint32_t reg)
{
uint32_t val;
@ -40,7 +47,7 @@ static inline uint32_t IRAM_ATTR DPORT_REG_READ(uint32_t reg)
DPORT_STALL_OTHER_CPU_START();
val = _DPORT_REG_READ(reg);
DPORT_STALL_OTHER_CPU_END();
return val;
}
@ -81,8 +88,10 @@ static inline uint32_t IRAM_ATTR DPORT_REG_READ(uint32_t reg)
#define DPORT_FIELD_TO_VALUE2(_f, _v) (((_v)<<_f##_S) & (_f))
//Register read macros with an underscore prefix access DPORT memory directly. In IDF apps, use the non-underscore versions to be SMP-safe.
#define _DPORT_READ_PERI_REG(addr) (*((volatile uint32_t *)(addr)))
#define _DPORT_WRITE_PERI_REG(addr, val) (*((volatile uint32_t *)(addr))) = (uint32_t)(val)
#define _DPORT_READ_PERI_REG(addr) (*((volatile uint32_t *)(addr)))
#define _DPORT_WRITE_PERI_REG(addr, val) (*((volatile uint32_t *)(addr))) = (uint32_t)(val)
#define _DPORT_REG_SET_BIT(_r, _b) _DPORT_REG_WRITE((_r), (_DPORT_REG_READ(_r)|(_b)))
#define _DPORT_REG_CLR_BIT(_r, _b) _DPORT_REG_WRITE((_r), (_DPORT_REG_READ(_r) & (~(_b))))
//read value from register
static inline uint32_t IRAM_ATTR DPORT_READ_PERI_REG(uint32_t addr)

8
components/soc/esp32/include/soc/hwcrypto_reg.h
View File

@ -57,4 +57,12 @@
#define SHA_512_LOAD_REG ((DR_REG_SHA_BASE) + 0xb8)
#define SHA_512_BUSY_REG ((DR_REG_SHA_BASE) + 0xbc)
/* AES acceleration registers */
#define AES_START_REG ((DR_REG_AES_BASE) + 0x00)
#define AES_IDLE_REG ((DR_REG_AES_BASE) + 0x04)
#define AES_MODE_REG ((DR_REG_AES_BASE) + 0x08)
#define AES_KEY_BASE ((DR_REG_AES_BASE) + 0x10)
#define AES_TEXT_BASE ((DR_REG_AES_BASE) + 0x30)
#define AES_ENDIAN ((DR_REG_AES_BASE) + 0x40)
#endif

3
components/soc/esp32/include/soc/soc.h
View File

@ -69,9 +69,10 @@
#define SOC_RTC_DATA_HIGH 0x50002000
#define DR_REG_DPORT_BASE 0x3ff00000
#define DR_REG_DPORT_END 0x3ff00FFC
#define DR_REG_AES_BASE 0x3ff01000
#define DR_REG_RSA_BASE 0x3ff02000
#define DR_REG_SHA_BASE 0x3ff03000
#define DR_REG_DPORT_END 0x3ff03FFC
#define DR_REG_UART_BASE 0x3ff40000
#define DR_REG_SPI1_BASE 0x3ff42000
#define DR_REG_SPI0_BASE 0x3ff43000

27
tools/unit-test-app/sdkconfig
View File

@ -19,7 +19,6 @@ CONFIG_LOG_BOOTLOADER_LEVEL_WARN=y
# CONFIG_LOG_BOOTLOADER_LEVEL_DEBUG is not set
# CONFIG_LOG_BOOTLOADER_LEVEL_VERBOSE is not set
CONFIG_LOG_BOOTLOADER_LEVEL=2
# CONFIG_BOOTLOADER_LTO is not set
#
# Security features
@ -174,6 +173,11 @@ CONFIG_ESP32_DEEP_SLEEP_WAKEUP_DELAY=0
# CONFIG_ESP32_XTAL_FREQ_26 is not set
CONFIG_ESP32_XTAL_FREQ_AUTO=y
CONFIG_ESP32_XTAL_FREQ=0
# CONFIG_NO_BLOBS is not set
#
# Wi-Fi
#
CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM=10
CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM=0
# CONFIG_ESP32_WIFI_STATIC_TX_BUFFER is not set
@ -181,8 +185,9 @@ CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER=y
CONFIG_ESP32_WIFI_TX_BUFFER_TYPE=1
CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM=32
CONFIG_ESP32_WIFI_AMPDU_ENABLED=y
CONFIG_ESP32_WIFI_TX_BA_WIN=6
CONFIG_ESP32_WIFI_RX_BA_WIN=6
CONFIG_ESP32_WIFI_NVS_ENABLED=y
CONFIG_PHY_ENABLED=y
#
# PHY
@ -280,10 +285,16 @@ CONFIG_TCP_SYNMAXRTX=6
CONFIG_TCP_MSS=1436
CONFIG_TCP_SND_BUF_DEFAULT=5744
CONFIG_TCP_WND_DEFAULT=5744
CONFIG_TCP_RECVMBOX_SIZE=6
CONFIG_TCP_QUEUE_OOSEQ=y
CONFIG_TCP_OVERSIZE_MSS=y
# CONFIG_TCP_OVERSIZE_QUARTER_MSS is not set
# CONFIG_TCP_OVERSIZE_DISABLE is not set
#
# UDP
#
CONFIG_UDP_RECVMBOX_SIZE=6
# CONFIG_LWIP_DHCP_DOES_ARP_CHECK is not set
CONFIG_TCPIP_TASK_STACK_SIZE=2048
# CONFIG_PPP_SUPPORT is not set
@ -299,7 +310,10 @@ CONFIG_TCPIP_TASK_STACK_SIZE=2048
#
CONFIG_MBEDTLS_SSL_MAX_CONTENT_LEN=16384
# CONFIG_MBEDTLS_DEBUG is not set
# CONFIG_MBEDTLS_UNSAFE_ACCELERATION is not set
CONFIG_MBEDTLS_HARDWARE_AES=y
CONFIG_MBEDTLS_HARDWARE_MPI=y
CONFIG_MBEDTLS_MPI_USE_INTERRUPT=y
CONFIG_MBEDTLS_HARDWARE_SHA=y
CONFIG_MBEDTLS_HAVE_TIME=y
# CONFIG_MBEDTLS_HAVE_TIME_DATE is not set
@ -315,3 +329,10 @@ CONFIG_OPENSSL_ASSERT_DO_NOTHING=y
#
# CONFIG_SPI_FLASH_ENABLE_COUNTERS is not set
CONFIG_SPI_FLASH_ROM_DRIVER_PATCH=y
#
# Wear Levelling
#
# CONFIG_WL_SECTOR_SIZE_512 is not set
CONFIG_WL_SECTOR_SIZE_4096=y
CONFIG_WL_SECTOR_SIZE=4096