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HAL - RNG rename to TRNG

pull/2765/head
Martin Kojtal 2016-09-21 16:44:19 +01:00
parent da1b423685
commit ea1041ea36
18 changed files with 76 additions and 75 deletions
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12
features/mbedtls/mbed_rng.c → features/mbedtls/mbed_trng.c
View File

@ -14,15 +14,15 @@
* limitations under the License. * limitations under the License.
*/ */
#include "hal/rng_api.h" #include "hal/trng_api.h"
#if defined(MBEDTLS_ENTROPY_HARDWARE_ALT) && defined(DEVICE_RNG) #if defined(MBEDTLS_ENTROPY_HARDWARE_ALT) && defined(DEVICE_TRNG)
int mbedtls_hardware_poll( void *data, unsigned char *output, size_t len, size_t *olen ) { int mbedtls_hardware_poll( void *data, unsigned char *output, size_t len, size_t *olen ) {
rng_t rng_obj; trng_t trng_obj;
rng_init(&rng_obj); trng_init(&trng_obj);
int ret = rng_get_bytes(&rng_obj, output, len, olen); int ret = trng_get_bytes(&trng_obj, output, len, olen);
rng_free(&rng_obj); trng_free(&trng_obj);
return ret; return ret;
} }

34
hal/hal/rng_api.h → hal/hal/trng_api.h
View File

@ -13,55 +13,55 @@
* See the License for the specific language governing permissions and * See the License for the specific language governing permissions and
* limitations under the License. * limitations under the License.
*/ */
#ifndef MBED_RNG_API_H #ifndef MBED_TRNG_API_H
#define MBED_RNG_API_H #define MBED_TRNG_API_H
#include <stddef.h> #include <stddef.h>
#include "device.h" #include "device.h"
#if DEVICE_RNG #if DEVICE_TRNG
/** RNG HAL structure. rng_s is declared in the target's HAL /** TRNG HAL structure. trng_s is declared in the target's HAL
*/ */
typedef struct rng_s rng_t; typedef struct trng_s trng_t;
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
#endif #endif
/** /**
* \defgroup hal_rng RNG hal functions * \defgroup hal_trng TRNG hal functions
* @{ * @{
*/ */
/** Initialize the RNG peripheral /** Initialize the TRNG peripheral
* *
* @param obj The RNG object * @param obj The TRNG object
*/ */
void rng_init(rng_t *obj); void trng_init(trng_t *obj);
/** Deinitialize the RNG peripheral /** Deinitialize the TRNG peripheral
* *
* @param obj The RNG object * @param obj The TRNG object
*/ */
void rng_free(rng_t *obj); void trng_free(trng_t *obj);
/** Get random data from RNG peripheral /** Get random data from TRNG peripheral
* *
* @param obj The RNG object * @param obj The TRNG object
* @param output The pointer to an output array * @param output The pointer to an output array
* @param length The length of output data * @param length The length of output data
* @param output_length The length of generated data * @param output_length The length of generated data
* @return 0 success, -1 fail * @return 0 success, -1 fail
*/ */
int rng_get_bytes(rng_t *obj, uint8_t *output, size_t length, size_t *output_length); int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_length);
/** Set an external entropy value /** Set an external entropy value
* *
* @param obj The RNG object * @param obj The TRNG object
* @param seed_value Entropy value to be set * @param seed_value Entropy value to be set
*/ */
void rng_set_seed(rng_t *obj, uint32_t seed_value); void trng_set_seed(trng_t *obj, uint32_t seed_value);
/**@}*/ /**@}*/

14
hal/targets.json
View File

@ -565,7 +565,7 @@
"inherits": ["Target"], "inherits": ["Target"],
"progen": {"target": "frdm-k64f"}, "progen": {"target": "frdm-k64f"},
"detect_code": ["0240"], "detect_code": ["0240"],
"device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES", "STORAGE", "RNG"], "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES", "STORAGE", "TRNG"],
"features": ["IPV4", "STORAGE"], "features": ["IPV4", "STORAGE"],
"release_versions": ["2", "5"] "release_versions": ["2", "5"]
}, },
@ -603,7 +603,7 @@
"inherits": ["Target"], "inherits": ["Target"],
"progen": {"target": "frdm-k66f"}, "progen": {"target": "frdm-k66f"},
"detect_code": ["0311"], "detect_code": ["0311"],
"device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES", "RNG"], "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES", "TRNG"],
"release_versions": ["2", "5"] "release_versions": ["2", "5"]
}, },
"NUCLEO_F030R8": { "NUCLEO_F030R8": {
@ -795,7 +795,7 @@
"progen": {"target": "nucleo-f410rb"}, "progen": {"target": "nucleo-f410rb"},
"macros": ["MBEDTLS_ENTROPY_HARDWARE_ALT", "TRANSACTION_QUEUE_SIZE_SPI=2"], "macros": ["MBEDTLS_ENTROPY_HARDWARE_ALT", "TRANSACTION_QUEUE_SIZE_SPI=2"],
"detect_code": ["0740"], "detect_code": ["0740"],
"device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "RNG"], "device_has": ["ANALOGIN", "ANALOGOUT", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "TRNG"],
"release_versions": ["2", "5"] "release_versions": ["2", "5"]
}, },
"NUCLEO_F411RE": { "NUCLEO_F411RE": {
@ -833,7 +833,7 @@
"supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"], "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
"progen": {"target": "nucleo-f429zi"}, "progen": {"target": "nucleo-f429zi"},
"macros": ["MBEDTLS_ENTROPY_HARDWARE_ALT", "DEVICE_RTC_LSI=1", "TRANSACTION_QUEUE_SIZE_SPI=2"], "macros": ["MBEDTLS_ENTROPY_HARDWARE_ALT", "DEVICE_RTC_LSI=1", "TRANSACTION_QUEUE_SIZE_SPI=2"],
"device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "RTC_LSI", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES"], "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "RTC_LSI", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "TRNG"],
"detect_code": ["0796"], "detect_code": ["0796"],
"features": ["IPV4"], "features": ["IPV4"],
"release_versions": ["2", "5"] "release_versions": ["2", "5"]
@ -1077,7 +1077,7 @@
"macros": ["MBEDTLS_ENTROPY_HARDWARE_ALT","DEVICE_RTC_LSI=1","TRANSACTION_QUEUE_SIZE_SPI=2"], "macros": ["MBEDTLS_ENTROPY_HARDWARE_ALT","DEVICE_RTC_LSI=1","TRANSACTION_QUEUE_SIZE_SPI=2"],
"supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"], "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
"progen": {"target": "disco-f429zi"}, "progen": {"target": "disco-f429zi"},
"device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "RNG"], "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "STDIO_MESSAGES", "TRNG"],
"release_versions": ["2", "5"] "release_versions": ["2", "5"]
}, },
"DISCO_F469NI": { "DISCO_F469NI": {
@ -1090,7 +1090,7 @@
"macros": ["MBEDTLS_ENTROPY_HARDWARE_ALT","TRANSACTION_QUEUE_SIZE_SPI=2"], "macros": ["MBEDTLS_ENTROPY_HARDWARE_ALT","TRANSACTION_QUEUE_SIZE_SPI=2"],
"progen": {"target": "disco-f469ni"}, "progen": {"target": "disco-f469ni"},
"detect_code": ["0788"], "detect_code": ["0788"],
"device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES", "RNG"], "device_has": ["ANALOGIN", "ANALOGOUT", "CAN", "ERROR_RED", "I2C", "I2CSLAVE", "INTERRUPTIN", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "STDIO_MESSAGES", "TRNG"],
"release_versions": ["2", "5"] "release_versions": ["2", "5"]
}, },
"DISCO_L053C8": { "DISCO_L053C8": {
@ -2088,7 +2088,7 @@
"supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"], "supported_toolchains": ["ARM", "uARM", "GCC_ARM", "IAR"],
"inherits": ["Target"], "inherits": ["Target"],
"progen": {"target": "numaker-pfm-nuc472"}, "progen": {"target": "numaker-pfm-nuc472"},
"device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "RNG"], "device_has": ["ANALOGIN", "I2C", "I2CSLAVE", "I2C_ASYNCH", "INTERRUPTIN", "LOWPOWERTIMER", "PORTIN", "PORTINOUT", "PORTOUT", "PWMOUT", "RTC", "SERIAL", "SERIAL_ASYNCH", "SERIAL_FC", "SLEEP", "SPI", "SPISLAVE", "SPI_ASYNCH", "TRNG"],
"features": ["IPV4"], "features": ["IPV4"],
"release_versions": ["2", "5"] "release_versions": ["2", "5"]
}, },

12
hal/targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_K66F/rng_api.c → hal/targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_K66F/trng_api.c
View File

@ -26,9 +26,9 @@
#include "cmsis.h" #include "cmsis.h"
#include "fsl_common.h" #include "fsl_common.h"
#include "fsl_clock.h" #include "fsl_clock.h"
#include "rng_api.h" #include "trng_api.h"
void rng_init(rng_t *obj) void trng_init(trng_t *obj)
{ {
(void)obj; (void)obj;
CLOCK_EnableClock(kCLOCK_Rnga0); CLOCK_EnableClock(kCLOCK_Rnga0);
@ -36,7 +36,7 @@ void rng_init(rng_t *obj)
CLOCK_EnableClock(kCLOCK_Rnga0); CLOCK_EnableClock(kCLOCK_Rnga0);
} }
void rng_free(rng_t *obj) void trng_free(trng_t *obj)
{ {
(void)obj; (void)obj;
CLOCK_DisableClock(kCLOCK_Rnga0); CLOCK_DisableClock(kCLOCK_Rnga0);
@ -46,7 +46,7 @@ void rng_free(rng_t *obj)
* Get one byte of entropy from the RNG, assuming it is up and running. * Get one byte of entropy from the RNG, assuming it is up and running.
* As recommended (34.1.1), get only one bit of each output. * As recommended (34.1.1), get only one bit of each output.
*/ */
static void rng_get_byte(unsigned char *byte) static void trng_get_byte(unsigned char *byte)
{ {
size_t bit; size_t bit;
@ -58,7 +58,7 @@ static void rng_get_byte(unsigned char *byte)
} }
} }
int rng_get_bytes(rng_t *obj, uint8_t *output, size_t length, size_t *output_length) int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_length)
{ {
(void)obj; (void)obj;
size_t i; size_t i;
@ -69,7 +69,7 @@ int rng_get_bytes(rng_t *obj, uint8_t *output, size_t length, size_t *output_len
RNG->CR = RNG_CR_INTM_MASK | RNG_CR_HA_MASK | RNG_CR_GO_MASK; RNG->CR = RNG_CR_INTM_MASK | RNG_CR_HA_MASK | RNG_CR_GO_MASK;
for (i = 0; i < length; i++) { for (i = 0; i < length; i++) {
rng_get_byte(output + i); trng_get_byte(output + i);
} }
/* Just be extra sure that we didn't do it wrong */ /* Just be extra sure that we didn't do it wrong */

16
hal/targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_MCU_K64F/rng_api.c → hal/targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_MCU_K64F/trng_api.c
View File

@ -26,9 +26,9 @@
#include "cmsis.h" #include "cmsis.h"
#include "fsl_common.h" #include "fsl_common.h"
#include "fsl_clock.h" #include "fsl_clock.h"
#include "rng_api.h" #include "trng_api.h"
void rng_init(rng_t *obj) void trng_init(trng_t *obj)
{ {
(void)obj; (void)obj;
CLOCK_EnableClock(kCLOCK_Rnga0); CLOCK_EnableClock(kCLOCK_Rnga0);
@ -36,7 +36,7 @@ void rng_init(rng_t *obj)
CLOCK_EnableClock(kCLOCK_Rnga0); CLOCK_EnableClock(kCLOCK_Rnga0);
} }
void rng_free(rng_t *obj) void trng_free(trng_t *obj)
{ {
(void)obj; (void)obj;
CLOCK_DisableClock(kCLOCK_Rnga0); CLOCK_DisableClock(kCLOCK_Rnga0);
@ -46,19 +46,19 @@ void rng_free(rng_t *obj)
* Get one byte of entropy from the RNG, assuming it is up and running. * Get one byte of entropy from the RNG, assuming it is up and running.
* As recommended (34.1.1), get only one bit of each output. * As recommended (34.1.1), get only one bit of each output.
*/ */
static void rng_get_byte(unsigned char *byte) static void trng_get_byte(unsigned char *byte)
{ {
size_t bit; size_t bit;
/* 34.5 Steps 3-4-5: poll SR and read from OR when ready */ /* 34.5 Steps 3-4-5: poll SR and read from OR when ready */
for( bit = 0; bit < 8; bit++ ) for( bit = 0; bit < 8; bit++ )
{ {
while( ( RNG->SR & RNG_SR_OREG_LVL_MASK ) == 0 ); while((RNG->SR & RNG_SR_OREG_LVL_MASK) == 0 );
*byte |= ( RNG->OR & 1 ) << bit; *byte |= (RNG->OR & 1) << bit;
} }
} }
int rng_get_bytes(rng_t *obj, uint8_t *output, size_t length, size_t *output_length) int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_length)
{ {
(void)obj; (void)obj;
size_t i; size_t i;
@ -69,7 +69,7 @@ int rng_get_bytes(rng_t *obj, uint8_t *output, size_t length, size_t *output_len
RNG->CR = RNG_CR_INTM_MASK | RNG_CR_HA_MASK | RNG_CR_GO_MASK; RNG->CR = RNG_CR_INTM_MASK | RNG_CR_HA_MASK | RNG_CR_GO_MASK;
for (i = 0; i < length; i++) { for (i = 0; i < length; i++) {
rng_get_byte(output + i); trng_get_byte(output + i);
} }
/* Just be extra sure that we didn't do it wrong */ /* Just be extra sure that we didn't do it wrong */

2
hal/targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/api/objects.h
View File

@ -61,7 +61,7 @@ struct dac_s {
DACName dac; DACName dac;
}; };
struct rng_s { struct trng_s {
}; };

2
hal/targets/hal/TARGET_NUVOTON/TARGET_NUC472/TARGET_NUMAKER_PFM_NUC472/objects.h
View File

@ -124,7 +124,7 @@ struct sleep_s {
int powerdown; int powerdown;
}; };
struct rng_s { struct trng_s {
}; };

14
hal/targets/hal/TARGET_NUVOTON/TARGET_NUC472/rng_api.c → hal/targets/hal/TARGET_NUVOTON/TARGET_NUC472/trng_api.c
View File

@ -24,7 +24,7 @@
#include "cmsis.h" #include "cmsis.h"
#include "NUC472_442.h" #include "NUC472_442.h"
#include "us_ticker_api.h" #include "us_ticker_api.h"
#include "rng_api.h" #include "trng_api.h"
/* /*
* Get Random number generator. * Get Random number generator.
@ -39,7 +39,7 @@ void CRYPTO_IRQHandler()
} }
} }
static void rng_get(unsigned char *pConversionData) static void trng_get(unsigned char *pConversionData)
{ {
uint32_t *p32ConversionData; uint32_t *p32ConversionData;
@ -52,7 +52,7 @@ static void rng_get(unsigned char *pConversionData)
PRNG_Read(p32ConversionData); PRNG_Read(p32ConversionData);
} }
void rng_init(rng_t *obj) void trng_init(trng_t *obj)
{ {
(void)obj; (void)obj;
/* Unlock protected registers */ /* Unlock protected registers */
@ -67,26 +67,26 @@ void rng_init(rng_t *obj)
PRNG_ENABLE_INT(); PRNG_ENABLE_INT();
} }
void rng_free(rng_t *obj) void trng_free(trng_t *obj)
{ {
(void)obj; (void)obj;
PRNG_DISABLE_INT(); PRNG_DISABLE_INT();
NVIC_DisableIRQ(CRPT_IRQn); NVIC_DisableIRQ(CRPT_IRQn);
} }
int rng_get_bytes(rng_t *obj, uint8_t *output, size_t length, size_t *output_length) int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_length)
{ {
(void)obj; (void)obj;
*output_length = 0; *output_length = 0;
if (length < 32) { if (length < 32) {
unsigned char tmpBuff[32]; unsigned char tmpBuff[32];
rng_get(tmpBuff); trng_get(tmpBuff);
memcpy(output, &tmpBuff, length); memcpy(output, &tmpBuff, length);
*output_length = length; *output_length = length;
} else { } else {
for (int i = 0; i < (length/32); i++) { for (int i = 0; i < (length/32); i++) {
rng_get(output); trng_get(output);
*output_length += 32; *output_length += 32;
output += 32; output += 32;
} }

2
hal/targets/hal/TARGET_STM/TARGET_STM32F4/TARGET_DISCO_F429ZI/objects.h
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@ -70,7 +70,7 @@ struct can_s {
int index; int index;
}; };
struct rng_s { struct trng_s {
RNG_HandleTypeDef handle; RNG_HandleTypeDef handle;
}; };

2
hal/targets/hal/TARGET_STM/TARGET_STM32F4/TARGET_DISCO_F469NI/objects.h
View File

@ -70,7 +70,7 @@ struct can_s {
int index; int index;
}; };
struct rng_s { struct trng_s {
RNG_HandleTypeDef handle; RNG_HandleTypeDef handle;
}; };

2
hal/targets/hal/TARGET_STM/TARGET_STM32F4/TARGET_NUCLEO_F410RB/objects.h
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@ -65,7 +65,7 @@ struct dac_s {
uint8_t channel; uint8_t channel;
}; };
struct rng_s { struct trng_s {
RNG_HandleTypeDef handle; RNG_HandleTypeDef handle;
}; };

2
hal/targets/hal/TARGET_STM/TARGET_STM32F4/TARGET_NUCLEO_F429ZI/objects.h
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@ -70,7 +70,7 @@ struct can_s {
int index; int index;
}; };
struct rng_s { struct trng_s {
RNG_HandleTypeDef handle; RNG_HandleTypeDef handle;
}; };

15
hal/targets/hal/TARGET_STM/TARGET_STM32F4/rng_api.c → hal/targets/hal/TARGET_STM/TARGET_STM32F4/trng_api.c
View File

@ -25,18 +25,19 @@
defined(TARGET_STM32F479xx) defined(TARGET_STM32F479xx)
#include <stdlib.h> #include <stdlib.h>
#include "cmsis.h" #include "cmsis.h"
#include "rng_api.h" #include "trng_api.h"
/** rng_get_byte /** trng_get_byte
* @brief Get one byte of entropy from the RNG, assuming it is up and running. * @brief Get one byte of entropy from the RNG, assuming it is up and running.
* @param obj TRNG obj
* @param pointer to the hardware generated random byte. * @param pointer to the hardware generated random byte.
*/ */
static void rng_get_byte(rng_t *obj, unsigned char *byte ) static void trng_get_byte(trng_t *obj, unsigned char *byte )
{ {
*byte = (unsigned char)HAL_RNG_GetRandomNumber(&obj->handle); *byte = (unsigned char)HAL_RNG_GetRandomNumber(&obj->handle);
} }
void rng_init(rng_t *obj) void trng_init(trng_t *obj)
{ {
/* RNG Peripheral clock enable */ /* RNG Peripheral clock enable */
__HAL_RCC_RNG_CLK_ENABLE(); __HAL_RCC_RNG_CLK_ENABLE();
@ -47,7 +48,7 @@ void rng_init(rng_t *obj)
} }
void rng_free(rng_t *obj) void trng_free(trng_t *obj)
{ {
/*Disable the RNG peripheral */ /*Disable the RNG peripheral */
HAL_RNG_DeInit(&obj->handle); HAL_RNG_DeInit(&obj->handle);
@ -55,13 +56,13 @@ void rng_free(rng_t *obj)
__HAL_RCC_RNG_CLK_DISABLE(); __HAL_RCC_RNG_CLK_DISABLE();
} }
int rng_get_bytes(rng_t *obj, uint8_t *output, size_t length, size_t *output_length) int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_length)
{ {
int ret; int ret;
/* Get Random byte */ /* Get Random byte */
for( uint32_t i = 0; i < length; i++ ){ for( uint32_t i = 0; i < length; i++ ){
rng_get_byte(obj, output + i ); trng_get_byte(obj, output + i );
} }
*output_length = length; *output_length = length;

2
hal/targets/hal/TARGET_STM/TARGET_STM32F7/TARGET_DISCO_F746NG/objects.h
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@ -90,7 +90,7 @@ struct can_s {
int index; int index;
}; };
struct rng_s { struct trng_s {
RNG_HandleTypeDef handle; RNG_HandleTypeDef handle;
}; };

2
hal/targets/hal/TARGET_STM/TARGET_STM32F7/TARGET_DISCO_F769NI/objects.h
View File

@ -90,7 +90,7 @@ struct can_s {
int index; int index;
}; };
struct rng_s { struct trng_s {
RNG_HandleTypeDef handle; RNG_HandleTypeDef handle;
}; };

2
hal/targets/hal/TARGET_STM/TARGET_STM32F7/TARGET_NUCLEO_F746ZG/objects.h
View File

@ -90,7 +90,7 @@ struct can_s {
int index; int index;
}; };
struct rng_s { struct trng_s {
RNG_HandleTypeDef handle; RNG_HandleTypeDef handle;
}; };

2
hal/targets/hal/TARGET_STM/TARGET_STM32F7/TARGET_NUCLEO_F767ZI/objects.h
View File

@ -90,7 +90,7 @@ struct can_s {
int index; int index;
}; };
struct rng_s { struct trng_s {
RNG_HandleTypeDef handle; RNG_HandleTypeDef handle;
}; };

14
hal/targets/hal/TARGET_STM/TARGET_STM32F7/rng_api.c → hal/targets/hal/TARGET_STM/TARGET_STM32F7/trng_api.c
View File

@ -21,18 +21,18 @@
#include <stdlib.h> #include <stdlib.h>
#include "cmsis.h" #include "cmsis.h"
#include "rng_api.h" #include "trng_api.h"
/** rng_get_byte /** trng_get_byte
* @brief Get one byte of entropy from the RNG, assuming it is up and running. * @brief Get one byte of entropy from the RNG, assuming it is up and running.
* @param pointer to the hardware generated random byte. * @param pointer to the hardware generated random byte.
*/ */
static void rng_get_byte(rng_t *obj, unsigned char *byte ) static void trng_get_byte(trng_t *obj, unsigned char *byte )
{ {
*byte = (unsigned char)HAL_RNG_GetRandomNumber(&obj->handle); *byte = (unsigned char)HAL_RNG_GetRandomNumber(&obj->handle);
} }
void rng_init(rng_t *obj) void trng_init(trng_t *obj)
{ {
/* RNG Peripheral clock enable */ /* RNG Peripheral clock enable */
__HAL_RCC_RNG_CLK_ENABLE(); __HAL_RCC_RNG_CLK_ENABLE();
@ -43,7 +43,7 @@ void rng_init(rng_t *obj)
} }
void rng_free(rng_t *obj) void trng_free(trng_t *obj)
{ {
/*Disable the RNG peripheral */ /*Disable the RNG peripheral */
HAL_RNG_DeInit(&obj->handle); HAL_RNG_DeInit(&obj->handle);
@ -51,13 +51,13 @@ void rng_free(rng_t *obj)
__HAL_RCC_RNG_CLK_DISABLE(); __HAL_RCC_RNG_CLK_DISABLE();
} }
int rng_get_bytes(rng_t *obj, uint8_t *output, size_t length, size_t *output_length) int trng_get_bytes(trng_t *obj, uint8_t *output, size_t length, size_t *output_length)
{ {
int ret; int ret;
/* Get Random byte */ /* Get Random byte */
for( uint32_t i = 0; i < length; i++ ){ for( uint32_t i = 0; i < length; i++ ){
rng_get_byte(obj, output + i ); trng_get_byte(obj, output + i );
} }
*output_length = length; *output_length = length;