commit 84bbeb58df94dc62f3bf8fed7bfc65ab46ed5469
author Paul Bakker <p.j.bakker@polarssl.org> Tue Jul 01 14:53:22 2014 +0200
committer Paul Bakker <p.j.bakker@polarssl.org> Wed Jul 09 10:19:24 2014 +0200
tree 6977c6eb4506ed38a0cf1a2ee136ca58d834e0c7
parent accaffe2c30cc0b5aff67a29ea6dcc3a3cf8ed89

Adapt cipher and MD layer with _init() and _free()

library/cipher.c

diff --git a/library/cipher.c b/library/cipher.c
index 16acd80..5cd30f8 100644
--- a/library/cipher.c
+++ b/library/cipher.c
@@ -125,6 +125,22 @@
     return( NULL );
 }
 
+void cipher_init( cipher_context_t *ctx )
+{
+    memset( ctx, 0, sizeof( cipher_context_t ) );
+}
+
+void cipher_free( cipher_context_t *ctx )
+{
+    if( ctx == NULL )
+        return;
+
+    if( ctx->cipher_ctx )
+        ctx->cipher_info->base->ctx_free_func( ctx->cipher_ctx );
+
+    polarssl_zeroize( ctx, sizeof(cipher_context_t) );
+}
+
 int cipher_init_ctx( cipher_context_t *ctx, const cipher_info_t *cipher_info )
 {
     if( NULL == cipher_info || NULL == ctx )
@@ -151,13 +167,10 @@
     return( 0 );
 }
 
+/* Deprecated, redirects to cipher_free() */
 int cipher_free_ctx( cipher_context_t *ctx )
 {
-    if( ctx == NULL || ctx->cipher_info == NULL )
-        return( POLARSSL_ERR_CIPHER_BAD_INPUT_DATA );
-
-    ctx->cipher_info->base->ctx_free_func( ctx->cipher_ctx );
-    polarssl_zeroize( ctx, sizeof(cipher_context_t) );
+    cipher_free( ctx );
 
     return( 0 );
 }