aboutsummaryrefslogtreecommitdiffstats
path: root/os/hal/ports/SAMA/SAMA5D2x
diff options
context:
space:
mode:
Diffstat (limited to 'os/hal/ports/SAMA/SAMA5D2x')
-rw-r--r--os/hal/ports/SAMA/SAMA5D2x/hal_crypto_lld.c161
-rw-r--r--os/hal/ports/SAMA/SAMA5D2x/hal_crypto_lld.h35
2 files changed, 185 insertions, 11 deletions
diff --git a/os/hal/ports/SAMA/SAMA5D2x/hal_crypto_lld.c b/os/hal/ports/SAMA/SAMA5D2x/hal_crypto_lld.c
index 79c4f3a3f..2e841cca7 100644
--- a/os/hal/ports/SAMA/SAMA5D2x/hal_crypto_lld.c
+++ b/os/hal/ports/SAMA/SAMA5D2x/hal_crypto_lld.c
@@ -83,6 +83,12 @@ void cry_lld_init(void) {
void cry_lld_start(CRYDriver *cryp) {
if (cryp->state == CRY_STOP) {
+ //clear key
+ for (size_t i=0;i<KEY0_BUFFER_SIZE_W;i++)
+ {
+ cryp->key0_buffer[i] = 0;
+ }
+
#if PLATFORM_CRY_USE_CRY1
if (&CRYD1 == cryp) {
samaCryptoDriverStart(&CRYD1);
@@ -126,9 +132,33 @@ void cry_lld_stop(CRYDriver *cryp) {
cryerror_t cry_lld_loadkey(CRYDriver *cryp, cryalgorithm_t algorithm,
size_t size, const uint8_t *keyp) {
- (void)(cryp);
- (void)(algorithm);
- return samaCryptoDriverWriteTransientKey(keyp, size);
+
+ uint8_t *p = (uint8_t *)cryp->key0_buffer;
+
+ (void)algorithm;
+
+
+ if (size <= HAL_CRY_MAX_KEY_SIZE)
+ {
+ osalMutexLock(&cryp->mutex);
+ //clear key
+ for (size_t i=0;i<KEY0_BUFFER_SIZE_W;i++)
+ {
+ cryp->key0_buffer[i] = 0;
+ }
+
+ for (size_t i=0;i<size;i++)
+ {
+ p[i] = keyp[i];
+ }
+ osalMutexUnlock(&cryp->mutex);
+ }
+ else
+ {
+ return CRY_ERR_INV_KEY_SIZE;
+ }
+
+ return CRY_NOERROR;
}
@@ -1096,6 +1126,131 @@ cryerror_t cry_lld_decrypt_DES_CBC(CRYDriver *cryp, crykey_t key_id,
return ret;
}
+
+
+/**
+ * @brief Hash using SHA1.
+ * @NOTE Use of this algorithm is not recommended because proven weak.
+ *
+ * @param[in] cryp pointer to the @p CRYDriver object
+ * @param[in] size size of input buffer
+ * @param[in] in buffer containing the input text
+ * @param[out] out 160 bits output buffer
+ * @return The operation status.
+ * @retval CRY_NOERROR if the operation succeeded.
+ * @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
+ * device instance.
+ *
+ * @api
+ */
+cryerror_t cry_lld_SHA1(CRYDriver *cryp, size_t size,
+ const uint8_t *in, uint8_t *out) {
+
+ cryerror_t ret;
+
+ shaparams_t params = {CRY_SHA_1};
+
+ ret = sama_sha_lld_process(cryp,
+ &params,
+ in,
+ out,
+ size
+ );
+
+ return ret;
+}
+
+/**
+ * @brief Hash using SHA256.
+ *
+ * @param[in] cryp pointer to the @p CRYDriver object
+ * @param[in] size size of input buffer
+ * @param[in] in buffer containing the input text
+ * @param[out] out 256 bits output buffer
+ * @return The operation status.
+ * @retval CRY_NOERROR if the operation succeeded.
+ * @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
+ * device instance.
+ *
+ * @api
+ */
+cryerror_t cry_lld_SHA256(CRYDriver *cryp, size_t size,
+ const uint8_t *in, uint8_t *out) {
+
+ cryerror_t ret;
+
+ shaparams_t params = {CRY_SHA_256};
+
+ ret = sama_sha_lld_process(cryp,
+ &params,
+ in,
+ out,
+ size
+ );
+
+ return ret;
+}
+
+/**
+ * @brief Hash using SHA512.
+ *
+ * @param[in] cryp pointer to the @p CRYDriver object
+ * @param[in] size size of input buffer
+ * @param[in] in buffer containing the input text
+ * @param[out] out 512 bits output buffer
+ * @return The operation status.
+ * @retval CRY_NOERROR if the operation succeeded.
+ * @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
+ * device instance.
+ *
+ * @api
+ */
+cryerror_t cry_lld_SHA512(CRYDriver *cryp, size_t size,
+ const uint8_t *in, uint8_t *out) {
+
+ cryerror_t ret;
+
+ shaparams_t params = {CRY_SHA_512};
+
+ ret = sama_sha_lld_process(cryp,
+ &params,
+ in,
+ out,
+ size
+ );
+
+ return ret;
+}
+
+/**
+ * @brief True random numbers generator.
+ *
+ * @param[in] cryp pointer to the @p CRYDriver object
+ * @param[out] out 128 bits output buffer
+ * @return The operation status.
+ * @retval CRY_NOERROR if the operation succeeded.
+ * @retval CRY_ERR_INV_ALGO if the operation is unsupported on this
+ * device instance.
+ *
+ * @api
+ */
+cryerror_t cry_lld_TRNG(CRYDriver *cryp, uint8_t *out) {
+
+ if (!(cryp->enabledPer & TRNG_PER)) {
+ cryp->enabledPer |= TRNG_PER;
+ pmcEnableTRNG();
+
+ //start trng
+ TRNG->TRNG_CR = TRNG_CR_ENABLE | TRNG_CR_KEY_PASSWD;
+ }
+
+ while (!(TRNG->TRNG_ISR & TRNG_ISR_DATRDY));
+
+ *((uint32_t*) out) = TRNG->TRNG_ODATA;
+
+ return (cryerror_t)CRY_NOERROR;
+}
+
#endif /* HAL_USE_CRY */
/** @} */
diff --git a/os/hal/ports/SAMA/SAMA5D2x/hal_crypto_lld.h b/os/hal/ports/SAMA/SAMA5D2x/hal_crypto_lld.h
index 029b4d83c..4521bb57b 100644
--- a/os/hal/ports/SAMA/SAMA5D2x/hal_crypto_lld.h
+++ b/os/hal/ports/SAMA/SAMA5D2x/hal_crypto_lld.h
@@ -25,7 +25,7 @@
#ifndef HAL_CRYPTO_LLD_H
#define HAL_CRYPTO_LLD_H
-#if HAL_USE_CRY || defined(__DOXYGEN__)
+#if (HAL_USE_CRY == TRUE) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
@@ -40,10 +40,14 @@
#define CRY_LLD_SUPPORTS_AES_CBC TRUE
#define CRY_LLD_SUPPORTS_AES_CFB TRUE
#define CRY_LLD_SUPPORTS_AES_CTR TRUE
-#define CRY_LLD_SUPPORTS_AES_GCM TRUE
+#define CRY_LLD_SUPPORTS_AES_GCM FALSE
#define CRY_LLD_SUPPORTS_DES TRUE
#define CRY_LLD_SUPPORTS_DES_ECB TRUE
#define CRY_LLD_SUPPORTS_DES_CBC TRUE
+#define CRY_LLD_SUPPORTS_SHA1 TRUE
+#define CRY_LLD_SUPPORTS_SHA256 TRUE
+#define CRY_LLD_SUPPORTS_SHA512 TRUE
+#define CRY_LLD_SUPPORTS_TRNG TRUE
/** @{ */
/*===========================================================================*/
@@ -99,13 +103,13 @@ typedef enum {
CRY_SHA_224,
CRY_SHA_256,
CRY_SHA_384,
- CRY_SHA_512,
+ CRY_SHA_512
+
}shadalgo_t;
typedef struct
{
shadalgo_t algo;
-
}shaparams_t;
/**
@@ -138,14 +142,22 @@ typedef struct {
} CRYConfig;
+#define KEY0_BUFFER_SIZE_W HAL_CRY_MAX_KEY_SIZE/4
+#define SHA_MAX_PADDING_LEN (2 * 128)
+#define SHA_UPDATE_LEN (128 * 1024)
+
#define CRY_DRIVER_EXT_FIELDS thread_reference_t thread; \
sama_dma_channel_t *dmarx; \
sama_dma_channel_t *dmatx; \
uint32_t rxdmamode; \
uint32_t txdmamode; \
- uint8_t dmawith; \
- uint8_t dmachunksize; \
- uint8_t enabledPer;
+ uint8_t dmawith; \
+ uint8_t dmachunksize; \
+ uint8_t enabledPer; \
+ mutex_t mutex; \
+ uint32_t key0_buffer[KEY0_BUFFER_SIZE_W]; \
+ uint8_t sha_buffer[SHA_MAX_PADDING_LEN];
+
/**
* @brief Structure representing an CRY driver.
*/
@@ -302,11 +314,18 @@ extern "C" {
const uint8_t *in,
uint8_t *out,
const uint8_t *iv);
+ cryerror_t cry_lld_SHA1(CRYDriver *cryp, size_t size,
+ const uint8_t *in, uint8_t *out);
+ cryerror_t cry_lld_SHA256(CRYDriver *cryp, size_t size,
+ const uint8_t *in, uint8_t *out);
+ cryerror_t cry_lld_SHA512(CRYDriver *cryp, size_t size,
+ const uint8_t *in, uint8_t *out);
+ cryerror_t cry_lld_TRNG(CRYDriver *cryp, uint8_t *out);
#ifdef __cplusplus
}
#endif
-#endif /* HAL_USE_CRY */
+#endif /* HAL_USE_CRY == TRUE */
#endif /* HAL_CRYPTO_LLD_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-22 13:06:42 +0000