diff options
Diffstat (limited to 'os/hal/ports/SAMA/SAMA5D2x/hal_crypto_lld.c')
| -rw-r--r-- | os/hal/ports/SAMA/SAMA5D2x/hal_crypto_lld.c | 161 |
1 files changed, 158 insertions, 3 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,
+ ¶ms,
+ 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,
+ ¶ms,
+ 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,
+ ¶ms,
+ 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 */
/** @} */
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