commit 002bc867183a7a1432396ba9f1b9614e42c25e63
author Manuel Pégourié-Gonnard <mpg@elzevir.fr> Wed Jun 25 12:57:47 2014 +0200
committer Paul Bakker <p.j.bakker@polarssl.org> Tue Jul 08 18:29:03 2014 +0200
tree 93b0d78f68abef5004ca702aa825c8208a5e4c28
parent 03917bf7d54ae0ac588d08e25f2730d48f3d46bc

Clarify mpi_write_binary()'s doc.

include/polarssl/bignum.h

diff --git a/include/polarssl/bignum.h b/include/polarssl/bignum.h
index d2363a6..2853cc2 100644
--- a/include/polarssl/bignum.h
+++ b/include/polarssl/bignum.h
@@ -351,7 +351,9 @@
 int mpi_read_binary( mpi *X, const unsigned char *buf, size_t buflen );
 
 /**
- * \brief          Export X into unsigned binary data, big endian
+ * \brief          Export X into unsigned binary data, big endian.
+ *                 Always fills the whole buffer, which will start with zeros
+ *                 if the number is smaller.
  *
  * \param X        Source MPI
  * \param buf      Output buffer