Merge pull request #342 from Patater/reseed-counter-value-comment
ctr_drbg: Clarify reseed_counter values before seeding
diff --git a/include/mbedtls/ctr_drbg.h b/include/mbedtls/ctr_drbg.h
index 091f15a..234e6a0 100644
--- a/include/mbedtls/ctr_drbg.h
+++ b/include/mbedtls/ctr_drbg.h
@@ -177,7 +177,9 @@
* minus one.
* Before the initial seeding, this field
* contains the amount of entropy in bytes
- * to use as a nonce for the initial seeding.
+ * to use as a nonce for the initial seeding,
+ * or -1 if no nonce length has been explicitly
+ * set (see mbedtls_ctr_drbg_set_nonce_len()).
*/
int prediction_resistance; /*!< This determines whether prediction
resistance is enabled, that is