commit 5af0e5b1942ab09f9b28219b7791472e1fb9d7ed
author Manuel Pégourié-Gonnard <mpg@elzevir.fr> Wed Jun 25 13:03:50 2014 +0200
committer Manuel Pégourié-Gonnard <mpg@elzevir.fr> Wed Jun 25 13:03:50 2014 +0200
tree 3eafc16ec7024cc669bd4074aef506fe68eaf9bd
parent bf31977c429015219a780e93664a0b0bce921d21

Document in-out param of dhm_calc_secret()

include/polarssl/dhm.h

diff --git a/include/polarssl/dhm.h b/include/polarssl/dhm.h
index c6c2d8f..322a788 100644
--- a/include/polarssl/dhm.h
+++ b/include/polarssl/dhm.h
@@ -237,7 +237,8 @@
  *
  * \param ctx      DHM context
  * \param output   destination buffer
- * \param olen     number of chars written
+ * \param olen     on entry, must hold the size of the destination buffer
+ *                 on exit, holds the actual number of bytes written
  * \param f_rng    RNG function, for blinding purposes
  * \param p_rng    RNG parameter
  *