Security-57031.1.35.tar.gz

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

diff --git a/Security/libsecurity_ssl/lib/sslUtils.h b/Security/libsecurity_ssl/lib/sslUtils.h
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+/*
+ * Copyright (c) 2000-2001,2005-2007,2010-2012,2014 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@
+ */
+
+/*
+ * sslUtils.h - - Misc. OS independant SSL utility functions
+ */
+
+#ifndef _SSLUTILS_H_
+#define _SSLUTILS_H_ 1
+
+#include "sslTypes.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+uint32_t SSLDecodeInt(
+       const uint8_t *     p,
+       size_t              length);
+uint8_t *SSLEncodeInt(
+       uint8_t             *p,
+       size_t              value,
+       size_t length);
+
+/* Same, but the value to encode is a size_t */
+size_t SSLDecodeSize(
+      const uint8_t *     p,
+      size_t              length);
+uint8_t *SSLEncodeSize(
+      uint8_t             *p,
+      size_t              value,
+      size_t              length);
+
+/* Same but for 64bits int */
+uint8_t* SSLEncodeUInt64(
+       uint8_t             *p,
+       sslUint64           value);
+void IncrementUInt64(
+       sslUint64                       *v);
+void SSLDecodeUInt64(
+    const uint8_t *p,
+    size_t length,
+    sslUint64 *v);
+
+static inline
+int SSLHandshakeHeaderSize(SSLRecord *rec)
+{
+    if(rec->protocolVersion==DTLS_Version_1_0)
+        return 12;
+    else
+        return 4;
+}
+
+#ifndef NDEBUG
+extern const char *protocolVersStr(SSLProtocolVersion prot);
+#endif
+ 
+#ifdef __cplusplus
+}
+#endif
+
+#endif