Added SHAx and TRNG to the crypto driver model.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11090 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 148 insertions, 12 deletions

diff --git a/os/hal/src/hal_crypto.c b/os/hal/src/hal_crypto.c
index c099335bf..d1c139f64 100644
--- a/os/hal/src/hal_crypto.c
+++ b/os/hal/src/hal_crypto.c
@@ -273,7 +273,7 @@ cryerror_t cryDecryptAES(CRYDriver *cryp,
  * @param[in] key_id    the key to be used for the operation, zero is the

  *                      transient key, other values are keys stored in an

  *                      unspecified way

- * @param[in] size      size of the plaintext buffer, this number must be a

+ * @param[in] size      size of both buffers, this number must be a

  *                      multiple of 16

  * @param[in] in        buffer containing the input plaintext

  * @param[out] out      buffer for the output cyphertext

@@ -323,7 +323,7 @@ cryerror_t cryEncryptAES_ECB(CRYDriver *cryp,
  * @param[in] key_id    the key to be used for the operation, zero is the

  *                      transient key, other values are keys stored in an

  *                      unspecified way

- * @param[in] size      size of the plaintext buffer, this number must be a

+ * @param[in] size      size of both buffers, this number must be a

  *                      multiple of 16

  * @param[in] in        buffer containing the input cyphertext

  * @param[out] out      buffer for the output plaintext

@@ -373,7 +373,7 @@ cryerror_t cryDecryptAES_ECB(CRYDriver *cryp,
  * @param[in] key_id    the key to be used for the operation, zero is the

  *                      transient key, other values are keys stored in an

  *                      unspecified way

- * @param[in] size      size of the plaintext buffer, this number must be a

+ * @param[in] size      size of both buffers, this number must be a

  *                      multiple of 16

  * @param[in] in        buffer containing the input plaintext

  * @param[out] out      buffer for the output cyphertext

@@ -426,7 +426,7 @@ cryerror_t cryEncryptAES_CBC(CRYDriver *cryp,
  * @param[in] key_id    the key to be used for the operation, zero is the

  *                      transient key, other values are keys stored in an

  *                      unspecified way

- * @param[in] size      size of the plaintext buffer, this number must be a

+ * @param[in] size      size of both buffers, this number must be a

  *                      multiple of 16

  * @param[in] in        buffer containing the input cyphertext

  * @param[out] out      buffer for the output plaintext

@@ -479,7 +479,7 @@ cryerror_t cryDecryptAES_CBC(CRYDriver *cryp,
  * @param[in] key_id    the key to be used for the operation, zero is the

  *                      transient key, other values are keys stored in an

  *                      unspecified way

- * @param[in] size      size of the plaintext buffer, this number must be a

+ * @param[in] size      size of both buffers, this number must be a

  *                      multiple of 16

  * @param[in] in        buffer containing the input plaintext

  * @param[out] out      buffer for the output cyphertext

@@ -532,7 +532,7 @@ cryerror_t cryEncryptAES_CFB(CRYDriver *cryp,
  * @param[in] key_id    the key to be used for the operation, zero is the

  *                      transient key, other values are keys stored in an

  *                      unspecified way

- * @param[in] size      size of the plaintext buffer, this number must be a

+ * @param[in] size      size of both buffers, this number must be a

  *                      multiple of 16

  * @param[in] in        buffer containing the input cyphertext

  * @param[out] out      buffer for the output plaintext

@@ -585,7 +585,7 @@ cryerror_t cryDecryptAES_CFB(CRYDriver *cryp,
  * @param[in] key_id    the key to be used for the operation, zero is the

  *                      transient key, other values are keys stored in an

  *                      unspecified way

- * @param[in] size      size of the plaintext buffer, this number must be a

+ * @param[in] size      size of both buffers, this number must be a

  *                      multiple of 16

  * @param[in] in        buffer containing the input plaintext

  * @param[out] out      buffer for the output cyphertext

@@ -640,7 +640,7 @@ cryerror_t cryEncryptAES_CTR(CRYDriver *cryp,
  * @param[in] key_id    the key to be used for the operation, zero is the

  *                      transient key, other values are keys stored in an

  *                      unspecified way

- * @param[in] size      size of the plaintext buffer, this number must be a

+ * @param[in] size      size of both buffers, this number must be a

  *                      multiple of 16

  * @param[in] in        buffer containing the input cyphertext

  * @param[out] out      buffer for the output plaintext

@@ -920,7 +920,7 @@ cryerror_t cryDecryptDES(CRYDriver *cryp,
  * @param[in] key_id    the key to be used for the operation, zero is the

  *                      transient key, other values are keys stored in an

  *                      unspecified way

- * @param[in] size      size of the plaintext buffer, this number must be a

+ * @param[in] size      size of both buffers, this number must be a

  *                      multiple of 8

  * @param[in] in        buffer containing the input plaintext

  * @param[out] out      buffer for the output cyphertext

@@ -970,7 +970,7 @@ cryerror_t cryEncryptDES_ECB(CRYDriver *cryp,
  * @param[in] key_id    the key to be used for the operation, zero is the

  *                      transient key, other values are keys stored in an

  *                      unspecified way

- * @param[in] size      size of the plaintext buffer, this number must be a

+ * @param[in] size      size of both buffers, this number must be a

  *                      multiple of 8

  * @param[in] in        buffer containing the input cyphertext

  * @param[out] out      buffer for the output plaintext

@@ -1020,7 +1020,7 @@ cryerror_t cryDecryptDES_ECB(CRYDriver *cryp,
  * @param[in] key_id    the key to be used for the operation, zero is the

  *                      transient key, other values are keys stored in an

  *                      unspecified way

- * @param[in] size      size of the plaintext buffer, this number must be a

+ * @param[in] size      size of both buffers, this number must be a

  *                      multiple of 8

  * @param[in] in        buffer containing the input plaintext

  * @param[out] out      buffer for the output cyphertext

@@ -1073,7 +1073,7 @@ cryerror_t cryEncryptDES_CBC(CRYDriver *cryp,
  * @param[in] key_id    the key to be used for the operation, zero is the

  *                      transient key, other values are keys stored in an

  *                      unspecified way

- * @param[in] size      size of the plaintext buffer, this number must be a

+ * @param[in] size      size of both buffers, this number must be a

  *                      multiple of 8

  * @param[in] in        buffer containing the input cyphertext

  * @param[out] out      buffer for the output plaintext

@@ -1116,6 +1116,142 @@ cryerror_t cryDecryptDES_CBC(CRYDriver *cryp,
 #endif

 }

 

+/**

+ * @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 crySHA1(CRYDriver *cryp, size_t size,

+                   const uint8_t *in, uint8_t *out) {

+

+  osalDbgCheck((cryp != NULL) && (in != NULL) && (out != NULL));

+

+  osalDbgAssert(cryp->state == CRY_READY, "not ready");

+

+#if CRY_LLD_SUPPORTS_SHA1 == TRUE

+  return cry_lld_SHA1(cryp, size, in, out);

+#elif HAL_CRY_USE_FALLBACK == TRUE

+  return cry_fallback_SHA1(cryp, size, in, out);

+#else

+  (void)cryp;

+  (void)size;

+  (void)in;

+  (void)out;

+

+  return CRY_ERR_INV_ALGO;

+#endif

+}

+

+/**

+ * @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 crySHA256(CRYDriver *cryp, size_t size,

+                     const uint8_t *in, uint8_t *out) {

+

+  osalDbgCheck((cryp != NULL) && (in != NULL) && (out != NULL));

+

+  osalDbgAssert(cryp->state == CRY_READY, "not ready");

+

+#if CRY_LLD_SUPPORTS_SHA256 == TRUE

+  return cry_lld_SHA256(cryp, size, in, out);

+#elif HAL_CRY_USE_FALLBACK == TRUE

+  return cry_fallback_SHA256(cryp, size, in, out);

+#else

+  (void)cryp;

+  (void)size;

+  (void)in;

+  (void)out;

+

+  return CRY_ERR_INV_ALGO;

+#endif

+}

+

+/**

+ * @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 crySHA512(CRYDriver *cryp, size_t size,

+                     const uint8_t *in, uint8_t *out) {

+

+  osalDbgCheck((cryp != NULL) && (in != NULL) && (out != NULL));

+

+  osalDbgAssert(cryp->state == CRY_READY, "not ready");

+

+#if CRY_LLD_SUPPORTS_SHA512 == TRUE

+  return cry_lld_SHA512(cryp, size, in, out);

+#elif HAL_CRY_USE_FALLBACK == TRUE

+  return cry_fallback_SHA512(cryp, size, in, out);

+#else

+  (void)cryp;

+  (void)size;

+  (void)in;

+  (void)out;

+

+  return CRY_ERR_INV_ALGO;

+#endif

+}

+

+/**

+ * @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 cryTRNG(CRYDriver *cryp, uint8_t *out) {

+

+  osalDbgCheck((cryp != NULL) && (out != NULL));

+

+  osalDbgAssert(cryp->state == CRY_READY, "not ready");

+

+#if CRY_LLD_SUPPORTS_TRNG == TRUE

+  return cry_lld_TRNG(cryp, out);

+#elif HAL_CRY_USE_FALLBACK == TRUE

+  return cry_fallback_TRNG(cryp, out);

+#else

+  (void)cryp;

+  (void)out;

+

+  return CRY_ERR_INV_ALGO;

+#endif

+}

+

 #endif /* HAL_USE_CRY == TRUE */

 

 /** @} */