Security-55471.tar.gz

[apple/security.git] / libsecurity_ssl / lib / tls_hashhmac.h

diff --git a/libsecurity_ssl/lib/tls_hashhmac.h b/libsecurity_ssl/lib/tls_hashhmac.h
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+++ b/libsecurity_ssl/lib/tls_hashhmac.h
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+/*
+ * Copyright (c) 2002,2005-2007,2010-2011 Apple Inc. All Rights Reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The 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.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#ifndef        _TLS_HASHHMAC_H_
+#define _TLS_HASHHMAC_H_
+
+#include "tls_digest.h"
+#include "tls_hmac.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * TLS addenda:
+ *     -- new struct HashHmacReference
+ *     -- structs which used to use HashReference now use HashHmacReference
+ *     -- new union HashHmacContext, used in CipherContext.
+ */
+
+typedef struct {
+    const HashReference        *hash;
+    const HMACReference        *hmac;
+} HashHmacReference;
+
+typedef union {
+    SSLBuffer                  hashCtx;
+    HMACContextRef             hmacCtx;
+} HashHmacContext;
+
+/* these are declared in tls_hmac.c */
+extern const HashHmacReference HashHmacNull;
+extern const HashHmacReference HashHmacMD5;
+extern const HashHmacReference HashHmacSHA1;
+extern const HashHmacReference HashHmacSHA256;
+extern const HashHmacReference HashHmacSHA384;
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _TLS_HMAC_H_ */