HMAC templates added.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12004 110e8d01-0319-4d1e-a829-52ad28d1bb01

1 files changed, 26 insertions, 1 deletions

diff --git a/os/hal/include/hal_crypto.h b/os/hal/include/hal_crypto.h
index f9a643f9a..060480d0c 100644
--- a/os/hal/include/hal_crypto.h
+++ b/os/hal/include/hal_crypto.h
@@ -33,6 +33,8 @@
 

 /**

  * @brief   Maximum size of a key for all supported algorithms.

+ * @note    It could be redefined by the LLD or the crypto fallback

+ *          implementations.

  */

 #define HAL_CRY_MAX_KEY_SIZE                32

 

@@ -106,7 +108,8 @@ typedef enum {
 typedef enum {

   cry_algo_none = 0,

   cry_algo_aes,                             /**< AES 128, 192, 256 bits.    */

-  cry_algo_des                              /**< DES 56, TDES 112, 168 bits.*/

+  cry_algo_des,                             /**< DES 56, TDES 112, 168 bits.*/

+  cry_algo_hmac                             /**< HMAC variable size.        */

 } cryalgorithm_t;

 

 #if HAL_CRY_ENFORCE_FALLBACK == FALSE

@@ -125,6 +128,8 @@ typedef enum {
     !defined(CRY_LLD_SUPPORTS_SHA1) ||                                      \

     !defined(CRY_LLD_SUPPORTS_SHA256) ||                                    \

     !defined(CRY_LLD_SUPPORTS_SHA512) ||                                    \

+    !defined(CRY_LLD_SUPPORTS_HMAC_SHA256) ||                               \

+    !defined(CRY_LLD_SUPPORTS_HMAC_SHA512) ||                               \

     !defined(CRY_LLD_SUPPORTS_TRNG)

 #error "CRYPTO LLD does not export the required switches"

 #endif

@@ -144,6 +149,8 @@ typedef enum {
 #define CRY_LLD_SUPPORTS_SHA1               FALSE

 #define CRY_LLD_SUPPORTS_SHA256             FALSE

 #define CRY_LLD_SUPPORTS_SHA512             FALSE

+#define CRY_LLD_SUPPORTS_HMAC_SHA256        FALSE

+#define CRY_LLD_SUPPORTS_HMAC_SHA512        FALSE

 #define CRY_LLD_SUPPORTS_TRNG               FALSE

 

 typedef uint_fast8_t crykey_t;

@@ -334,6 +341,24 @@ extern "C" {
                              size_t size, const uint8_t *in);

   cryerror_t crySHA512Final(CRYDriver *cryp, SHA512Context *sha512ctxp,

                             uint8_t *out);

+  cryerror_t cryHMACSHA256Init(CRYDriver *cryp,

+                               HMACSHA256Context *hmacsha256ctxp);

+  cryerror_t cryHMACSHA256Update(CRYDriver *cryp,

+                                 HMACSHA256Context *hmacsha256ctxp,

+                                 size_t size,

+                                 const uint8_t *in);

+  cryerror_t cryHMACSHA256Final(CRYDriver *cryp,

+                                HMACSHA256Context *hmacsha256ctxp,

+                                uint8_t *out);

+  cryerror_t cryHMACSHA512Init(CRYDriver *cryp,

+                               HMACSHA512Context *hmacsha512ctxp);

+  cryerror_t cryHMACSHA512Update(CRYDriver *cryp,

+                                 HMACSHA512Context *hmacsha512ctxp,

+                                 size_t size,

+                                 const uint8_t *in);

+  cryerror_t cryHMACSHA512Final(CRYDriver *cryp,

+                                HMACSHA512Context *hmacsha512ctxp,

+                                uint8_t *out);

   cryerror_t cryTRNG(CRYDriver *cryp, uint8_t *out);

 #ifdef __cplusplus

 }