mbedtls_ctr_drbg_context: minor documentation improvements
diff --git a/include/mbedtls/ctr_drbg.h b/include/mbedtls/ctr_drbg.h
index 05b4e95..86d546a 100644
--- a/include/mbedtls/ctr_drbg.h
+++ b/include/mbedtls/ctr_drbg.h
@@ -169,14 +169,19 @@
typedef struct mbedtls_ctr_drbg_context
{
unsigned char counter[16]; /*!< The counter (V). */
- int reseed_counter; /*!< The reseed counter. */
+ int reseed_counter; /*!< The reseed counter.
+ * This is the number of requests that have
+ * been made since the last (re)seeding,
+ * minus one. */
int prediction_resistance; /*!< This determines whether prediction
resistance is enabled, that is
whether to systematically reseed before
each random generation. */
size_t entropy_len; /*!< The amount of entropy grabbed on each
- seed or reseed operation. */
- int reseed_interval; /*!< The reseed interval. */
+ seed or reseed operation, in bytes. */
+ int reseed_interval; /*!< The reseed interval.
+ * This is the maximum number of requests
+ * that can be made between reseedings. */
mbedtls_aes_context aes_ctx; /*!< The AES context. */