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Merge branch 'feature/sha_tls_integration' into 'master'

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SHA acceleration integrated to mbedTLS incl. TLS sessions

Uses hardware SHA acceleration where available, fails over to software where not available.

Ref TW7112

See merge request !232
This commit is contained in:
Angus Gratton
2016-11-25 10:12:29 +08:00
parent 9f9d92b2df dfcb241850
commit d0801fdbab
20 changed files with 1931 additions and 508 deletions
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20
components/mbedtls/port/esp_bignum.c
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@@ -34,6 +34,8 @@
#include "esp_intr.h"
#include "esp_attr.h"
#include "soc/dport_reg.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
@@ -72,7 +74,16 @@ void esp_mpi_acquire_hardware( void )
{
/* newlib locks lazy initialize on ESP-IDF */
_lock_acquire(&mpi_lock);
ets_bigint_enable();
REG_SET_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_RSA);
/* also clear reset on digital signature, otherwise RSA is held in reset */
REG_CLR_BIT(DPORT_PERI_RST_EN_REG,
DPORT_PERI_EN_RSA
| DPORT_PERI_EN_DIGITAL_SIGNATURE);
REG_CLR_BIT(DPORT_RSA_PD_CTRL_REG, DPORT_RSA_PD);
while(REG_READ(RSA_CLEAN_REG) != 1);
#ifdef CONFIG_MBEDTLS_MPI_USE_INTERRUPT
rsa_isr_initialise();
#endif
@@ -80,7 +91,12 @@ void esp_mpi_acquire_hardware( void )
void esp_mpi_release_hardware( void )
{
ets_bigint_disable();
REG_SET_BIT(DPORT_RSA_PD_CTRL_REG, DPORT_RSA_PD);
/* don't reset digital signature unit, as this resets AES also */
REG_SET_BIT(DPORT_PERI_RST_EN_REG, DPORT_PERI_EN_RSA);
REG_CLR_BIT(DPORT_PERI_CLK_EN_REG, DPORT_PERI_EN_RSA);
_lock_release(&mpi_lock);
}