Security-57031.1.35.tar.gz

[apple/security.git] / Security / libsecurity_ssl / lib / tls_ssl.h

diff --git a/Security/libsecurity_ssl/lib/tls_ssl.h b/Security/libsecurity_ssl/lib/tls_ssl.h
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+/*
+ * Copyright (c) 2002,2005-2007,2010-2012,2014 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@
+ */
+
+/*
+ * tls_ssl.h - Declarations of handshake layer callout struct to provide indirect calls to
+ *     SSLv3 and TLS routines. 
+ */
+
+#ifndef        _TLS_SSL_H_
+#define _TLS_SSL_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "ssl.h"
+#include "sslPriv.h"
+#include "sslContext.h"
+#include "sslRecord.h"
+
+/***
+ *** Each of {TLS, SSLv3} implements each of these functions.
+ ***/
+
+typedef OSStatus (*generateKeyMaterialFcn) (
+       SSLBuffer key,                                  // caller mallocs and specifies length of
+                                                                       //   required key material here
+       SSLContext *ctx);
+
+typedef OSStatus (*generateExportKeyAndIvFcn) (
+       SSLContext *ctx,                                // clientRandom, serverRandom valid
+       const SSLBuffer clientWriteKey,
+       const SSLBuffer serverWriteKey,
+       SSLBuffer finalClientWriteKey,  // RETURNED, mallocd by caller
+       SSLBuffer finalServerWriteKey,  // RETURNED, mallocd by caller
+       SSLBuffer finalClientIV,                // RETURNED, mallocd by caller
+       SSLBuffer finalServerIV);               // RETURNED, mallocd by caller
+
+/*
+ * On entry: clientRandom, serverRandom, preMasterSecret valid
+ * On return: masterSecret valid
+ */
+typedef OSStatus (*generateMasterSecretFcn) (
+       SSLContext *ctx);
+
+typedef OSStatus (*computeFinishedMacFcn) (
+       SSLContext *ctx,
+       SSLBuffer finished,             // output - mallocd by caller
+       Boolean isServer);
+
+typedef OSStatus (*computeCertVfyMacFcn) (
+       SSLContext *ctx,
+    SSLBuffer *finished,               // output - mallocd by caller
+    SSL_HashAlgorithm hash);    //only used in TLS 1.2
+
+
+typedef struct _SslTlsCallouts {
+       generateKeyMaterialFcn          generateKeyMaterial;
+       generateMasterSecretFcn         generateMasterSecret;
+       computeFinishedMacFcn           computeFinishedMac;
+       computeCertVfyMacFcn            computeCertVfyMac;
+} SslTlsCallouts;
+
+
+/* From ssl3Callouts.c and tls1Callouts.c */
+extern const SslTlsCallouts    Ssl3Callouts;
+extern const SslTlsCallouts    Tls1Callouts;
+extern const SslTlsCallouts Tls12Callouts;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif         /* _TLS_SSL_H_ */