propagate from branch 'net.randombit.botan' (head 494c5d548ce3f370c2b771ca6b11e5f41e720da2)

            to branch 'net.randombit.botan.tls-state-machine' (head b2cd26ff6f093caa79aecb2d674205f45b6aadff)

1 files changed, 87 insertions, 0 deletions

diff --git a/src/tls/tls_version.h b/src/tls/tls_version.h
new file mode 100644
index 000000000..aa689b300
--- /dev/null
+++ b/src/tls/tls_version.h
@@ -0,0 +1,87 @@
+/*
+* TLS Protocol Version Management
+* (C) 2012 Jack Lloyd
+*
+* Released under the terms of the Botan license
+*/
+
+#ifndef BOTAN_TLS_PROTOCOL_VERSION_H__
+#define BOTAN_TLS_PROTOCOL_VERSION_H__
+
+#include <botan/get_byte.h>
+#include <string>
+
+namespace Botan {
+
+namespace TLS {
+
+class BOTAN_DLL Protocol_Version
+   {
+   public:
+      enum Version_Code {
+         SSL_V3             = 0x0300,
+         TLS_V10            = 0x0301,
+         TLS_V11            = 0x0302,
+         TLS_V12            = 0x0303
+      };
+
+      Protocol_Version() : m_version(0) {}
+
+      Protocol_Version(Version_Code named_version) :
+         m_version(static_cast<u16bit>(named_version)) {}
+
+      Protocol_Version(byte major, byte minor) :
+         m_version((static_cast<u16bit>(major) << 8) | minor) {}
+
+      /**
+      * Get the major version of the protocol version
+      */
+      byte major_version() const { return get_byte(0, m_version); }
+
+      /**
+      * Get the minor version of the protocol version
+      */
+      byte minor_version() const { return get_byte(1, m_version); }
+
+      bool operator==(const Protocol_Version& other) const
+         {
+         return (m_version == other.m_version);
+         }
+
+      bool operator!=(const Protocol_Version& other) const
+         {
+         return (m_version != other.m_version);
+         }
+
+      bool operator>=(const Protocol_Version& other) const
+         {
+         return (m_version >= other.m_version);
+         }
+
+      bool operator>(const Protocol_Version& other) const
+         {
+         return (m_version > other.m_version);
+         }
+
+      bool operator<=(const Protocol_Version& other) const
+         {
+         return (m_version <= other.m_version);
+         }
+
+      bool operator<(const Protocol_Version& other) const
+         {
+         return (m_version < other.m_version);
+         }
+
+      std::string to_string() const;
+
+   private:
+      u16bit m_version;
+   };
+
+}
+
+}
+
+#endif
+