Use safer names for macros
diff --git a/include/polarssl/hmac_drbg.h b/include/polarssl/hmac_drbg.h
index 1f830d8..36d1200 100644
--- a/include/polarssl/hmac_drbg.h
+++ b/include/polarssl/hmac_drbg.h
@@ -37,13 +37,13 @@
#define POLARSSL_ERR_HMAC_DRBG_INPUT_TOO_BIG -0x0038 /**< Input too large (Entropy + additional). */
#define POLARSSL_ERR_HMAC_DRBG_FILE_IO_ERROR -0x003A /**< Read/write error in file. */
-#define HMAC_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */
-#define HMAC_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */
-#define HMAC_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */
-#define HMAC_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */
+#define POLARSSL_HMAC_DRBG_RESEED_INTERVAL 10000 /**< Interval before reseed is performed by default */
+#define POLARSSL_HMAC_DRBG_MAX_INPUT 256 /**< Maximum number of additional input bytes */
+#define POLARSSL_HMAC_DRBG_MAX_REQUEST 1024 /**< Maximum number of requested bytes per call */
+#define POLARSSL_HMAC_DRBG_MAX_SEED_INPUT 384 /**< Maximum size of (re)seed buffer */
-#define HMAC_DRBG_PR_OFF 0 /**< No prediction resistance */
-#define HMAC_DRBG_PR_ON 1 /**< Prediction resistance enabled */
+#define POLARSSL_HMAC_DRBG_PR_OFF 0 /**< No prediction resistance */
+#define POLARSSL_HMAC_DRBG_PR_ON 1 /**< Prediction resistance enabled */
#ifdef __cplusplus
extern "C" {
@@ -125,7 +125,7 @@
* Only use this if you have ample supply of good entropy!
*
* \param ctx HMAC_DRBG context
- * \param resistance HMAC_DRBG_PR_ON or HMAC_DRBG_PR_OFF
+ * \param resistance POLARSSL_HMAC_DRBG_PR_ON or POLARSSL_HMAC_DRBG_PR_OFF
*/
void hmac_drbg_set_prediction_resistance( hmac_drbg_context *ctx,
int resistance );
@@ -143,7 +143,7 @@
/**
* \brief Set the reseed interval
- * (Default: HMAC_DRBG_RESEED_INTERVAL)
+ * (Default: POLARSSL_HMAC_DRBG_RESEED_INTERVAL)
*
* \param ctx HMAC_DRBG context
* \param interval Reseed interval