commit 5b4af39a36a9d796ea90f2bf1eb7438ddcffb605
author Paul Bakker <p.j.bakker@polarssl.org> Thu Jun 26 12:09:34 2014 +0200
committer Paul Bakker <p.j.bakker@polarssl.org> Wed Jul 09 10:19:23 2014 +0200
tree 95265a1ee6ad413df79b2a62c27cb94e94091743
parent 8cfd9d8c599c97b6d8cc60c5934d6e25780cfa58

Add _init() and _free() for hash modules

library/md_wrap.c

diff --git a/library/md_wrap.c b/library/md_wrap.c
index 834e241..de701d3 100644
--- a/library/md_wrap.c
+++ b/library/md_wrap.c
@@ -398,12 +398,20 @@
 
 static void * ripemd160_ctx_alloc( void )
 {
-    return polarssl_malloc( sizeof( ripemd160_context ) );
+    ripemd160_context *ctx;
+    ctx = (ripemd160_context *) polarssl_malloc( sizeof( ripemd160_context ) );
+
+    if( ctx == NULL )
+        return( NULL );
+
+    ripemd160_init( ctx );
+
+    return( ctx );
 }
 
 static void ripemd160_ctx_free( void *ctx )
 {
-    polarssl_zeroize( ctx, sizeof( ripemd160_context ) );
+    ripemd160_free( (ripemd160_context *) ctx );
     polarssl_free( ctx );
 }
 
@@ -486,12 +494,20 @@
 
 static void * sha1_ctx_alloc( void )
 {
-    return polarssl_malloc( sizeof( sha1_context ) );
+    sha1_context *ctx;
+    ctx = (sha1_context *) polarssl_malloc( sizeof( sha1_context ) );
+
+    if( ctx == NULL )
+        return( NULL );
+
+    sha1_init( ctx );
+
+    return( ctx );
 }
 
 static void sha1_ctx_free( void *ctx )
 {
-    polarssl_zeroize( ctx, sizeof( sha1_context ) );
+    sha1_free( (sha1_context *) ctx );
     polarssl_free( ctx );
 }
 
@@ -687,12 +703,20 @@
 
 static void * sha256_ctx_alloc( void )
 {
-    return polarssl_malloc( sizeof( sha256_context ) );
+    sha256_context *ctx;
+    ctx = (sha256_context *) polarssl_malloc( sizeof( sha256_context ) );
+
+    if( ctx == NULL )
+        return( NULL );
+
+    sha256_init( ctx );
+
+    return( ctx );
 }
 
 static void sha256_ctx_free( void *ctx )
 {
-    polarssl_zeroize( ctx, sizeof( sha256_context ) );
+    sha256_free( (sha256_context *) ctx );
     polarssl_free( ctx );
 }
 
@@ -885,12 +909,20 @@
 
 static void * sha512_ctx_alloc( void )
 {
-    return polarssl_malloc( sizeof( sha512_context ) );
+    sha512_context *ctx;
+    ctx = (sha512_context *) polarssl_malloc( sizeof( sha512_context ) );
+
+    if( ctx == NULL )
+        return( NULL );
+
+    sha512_init( ctx );
+
+    return( ctx );
 }
 
 static void sha512_ctx_free( void *ctx )
 {
-    polarssl_zeroize( ctx, sizeof( sha512_context ) );
+    sha512_free( (sha512_context *) ctx );
     polarssl_free( ctx );
 }