Security-54.1.3.tar.gz

[apple/security.git] / SecureTransport / sslNullCipher.cpp

diff --git a/SecureTransport/sslNullCipher.cpp b/SecureTransport/sslNullCipher.cpp
new file mode 100644 (file)
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--- /dev/null
+++ b/SecureTransport/sslNullCipher.cpp
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
+ * 
+ * The contents of this file constitute Original Code as defined in and are
+ * subject to the Apple Public Source License Version 1.2 (the 'License').
+ * You may not use this file except in compliance with the License. Please obtain
+ * a copy of the License at http://www.apple.com/publicsource and read it before
+ * using this file.
+ * 
+ * This Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
+ * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
+ * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+ * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
+ * specific language governing rights and limitations under the License.
+ */
+
+
+#include "sslContext.h"
+
+#include <string.h>
+
+static OSStatus NullInit(
+       uint8 *key, 
+       uint8* iv, 
+       CipherContext *cipherCtx, 
+       SSLContext *ctx);
+static OSStatus NullCrypt(
+       SSLBuffer src, 
+       SSLBuffer dest, 
+       CipherContext *cipherCtx,
+       SSLContext *ctx);
+static OSStatus NullFinish(
+       CipherContext *cipherCtx,
+       SSLContext *ctx);
+
+extern "C" {
+extern const SSLSymmetricCipher SSLCipherNull;
+}
+const SSLSymmetricCipher SSLCipherNull = {
+    0,          /* Key size in bytes (ignoring parity) */
+    0,          /* Secret key size */
+    0,          /* IV size */
+    0,          /* Block size */
+    CSSM_ALGID_NONE,   
+    CSSM_ALGID_NONE,   
+    CSSM_ALGMODE_NONE,
+       CSSM_PADDING_NONE,
+    NullInit,
+    NullCrypt,
+    NullCrypt,
+    NullFinish
+};
+
+static OSStatus NullInit(
+       uint8 *key, 
+       uint8* iv, 
+       CipherContext *cipherCtx, 
+       SSLContext *ctx)
+{  
+       return noErr;
+}
+
+static OSStatus NullCrypt(
+       SSLBuffer src, 
+       SSLBuffer dest, 
+       CipherContext *cipherCtx,
+       SSLContext *ctx)
+{   
+       if (src.data != dest.data)
+        memcpy(dest.data, src.data, src.length);
+    return noErr;
+}
+
+static OSStatus NullFinish(
+       CipherContext *cipherCtx,
+       SSLContext *ctx)
+{   
+       return noErr;
+}