commit 61977614d84c7b4d6aeaecaa003977472d4114db
author Manuel Pégourié-Gonnard <mpg@elzevir.fr> Wed May 27 17:38:50 2015 +0200
committer Manuel Pégourié-Gonnard <mpg@elzevir.fr> Wed May 27 17:40:16 2015 +0200
tree 1c62ab04f65a4dae91a3e5b079b4dabb2b3fae3e
parent bc07c3a1f0403ea65a5c4f52583569c82385dc07

Fix memleak with repeated [gc]cm_setkey()

library/ccm.c

diff --git a/library/ccm.c b/library/ccm.c
index 87f1886..e397e0a 100644
--- a/library/ccm.c
+++ b/library/ccm.c
@@ -78,6 +78,8 @@
     if( cipher_info->block_size != 16 )
         return( POLARSSL_ERR_CCM_BAD_INPUT );
 
+    cipher_free( &ctx->cipher_ctx );
+
     if( ( ret = cipher_init_ctx( &ctx->cipher_ctx, cipher_info ) ) != 0 )
         return( ret );
 

library/gcm.c

diff --git a/library/gcm.c b/library/gcm.c
index f4f735b..b537b02 100644
--- a/library/gcm.c
+++ b/library/gcm.c
@@ -168,6 +168,8 @@
     if( cipher_info->block_size != 16 )
         return( POLARSSL_ERR_GCM_BAD_INPUT );
 
+    cipher_free( &ctx->cipher_ctx );
+
     if( ( ret = cipher_init_ctx( &ctx->cipher_ctx, cipher_info ) ) != 0 )
         return( ret );