[PATCH 4/7] bcrypt: Implement BCryptDestroyKey

[Bruno Jesus]

From: Hans Leidekker <hans at codeweavers.com>
Signed-off-by: Bruno Jesus <00cpxxx at gmail.com>
---
 dlls/bcrypt/bcrypt.spec   |  2 +-
 dlls/bcrypt/bcrypt_main.c | 28 ++++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/dlls/bcrypt/bcrypt.spec b/dlls/bcrypt/bcrypt.spec
index 8d2865c..962953e 100644
--- a/dlls/bcrypt/bcrypt.spec
+++ b/dlls/bcrypt/bcrypt.spec
@@ -9,7 +9,7 @@
 @ stub BCryptDeleteContext
 @ stub BCryptDeriveKey
 @ stdcall BCryptDestroyHash(ptr)
-@ stub BCryptDestroyKey
+@ stdcall BCryptDestroyKey(ptr)
 @ stub BCryptDestroySecret
 @ stub BCryptDuplicateHash
 @ stub BCryptDuplicateKey
diff --git a/dlls/bcrypt/bcrypt_main.c b/dlls/bcrypt/bcrypt_main.c
index be33eb0..5657264 100644
--- a/dlls/bcrypt/bcrypt_main.c
+++ b/dlls/bcrypt/bcrypt_main.c
@@ -49,6 +49,8 @@ WINE_DECLARE_DEBUG_CHANNEL(winediag);
 
 static void *libgnutls_handle;
 #define MAKE_FUNCPTR(f) static typeof(f) * p##f
+MAKE_FUNCPTR(gnutls_cipher_init);
+MAKE_FUNCPTR(gnutls_cipher_deinit);
 MAKE_FUNCPTR(gnutls_global_deinit);
 MAKE_FUNCPTR(gnutls_global_init);
 MAKE_FUNCPTR(gnutls_global_set_log_function);
@@ -84,6 +86,8 @@ static BOOL gnutls_initialize(void)
         goto fail; \
     }
 
+    LOAD_FUNCPTR(gnutls_cipher_init);
+    LOAD_FUNCPTR(gnutls_cipher_deinit);
     LOAD_FUNCPTR(gnutls_global_deinit)
     LOAD_FUNCPTR(gnutls_global_init)
     LOAD_FUNCPTR(gnutls_global_set_log_function)
@@ -576,6 +580,14 @@ static NTSTATUS key_init( struct key *key, enum alg_id id, UCHAR *secret, ULONG
 
     return STATUS_SUCCESS;
 }
+
+static NTSTATUS key_destroy( struct key *key )
+{
+    if (key->handle) pgnutls_cipher_deinit( key->handle );
+    HeapFree( GetProcessHeap(), 0, key->secret );
+    HeapFree( GetProcessHeap(), 0, key );
+    return STATUS_SUCCESS;
+}
 #else
 struct hash
 {
@@ -630,6 +642,12 @@ static NTSTATUS key_init( struct key *key, enum alg_id id, const UCHAR *secret,
     ERR( "support for keys not available at build time\n" );
     return STATUS_NOT_IMPLEMENTED;
 }
+
+static NTSTATUS key_destroy( struct key *key )
+{
+    ERR( "support for keys not available at build time\n" );
+    return STATUS_NOT_IMPLEMENTED;
+}
 #endif
 
 #define OBJECT_LENGTH_MD5       274
@@ -958,6 +976,16 @@ NTSTATUS WINAPI BCryptGenerateSymmetricKey( BCRYPT_ALG_HANDLE algorithm, BCRYPT_
     return STATUS_SUCCESS;
 }
 
+NTSTATUS WINAPI BCryptDestroyKey( BCRYPT_KEY_HANDLE handle )
+{
+    struct key *key = handle;
+
+    TRACE( "%p\n", handle );
+
+    if (!key || key->hdr.magic != MAGIC_KEY) return STATUS_INVALID_HANDLE;
+    return key_destroy( key );
+}
+
 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
 {
     switch (reason)
-- 
2.9.3