Botan::TLS::SRTP_Protection_Profiles Class Reference

#include <tls_extensions.h>

Inheritance diagram for Botan::TLS::SRTP_Protection_Profiles:

Public Member Functions
bool	empty () const override
const std::vector< uint16_t > &	profiles () const
std::vector< uint8_t >	serialize (Connection_Side whoami) const override
	SRTP_Protection_Profiles (const std::vector< uint16_t > &pp)
	SRTP_Protection_Profiles (TLS_Data_Reader &reader, uint16_t extension_size)
	SRTP_Protection_Profiles (uint16_t pp)
Handshake_Extension_Type	type () const override

Static Public Member Functions
static Handshake_Extension_Type	static_type ()

Detailed Description

Used to indicate SRTP algorithms for DTLS (RFC 5764)

Definition at line 328 of file tls_extensions.h.

Constructor & Destructor Documentation

SRTP_Protection_Profiles() [1/3]

Botan::TLS::SRTP_Protection_Profiles::SRTP_Protection_Profiles ( const std::vector< uint16_t > &  pp )

inlineexplicit

Definition at line 342 of file tls_extensions.h.

: m_pp(pp) {}

SRTP_Protection_Profiles() [2/3]

Botan::TLS::SRTP_Protection_Profiles::SRTP_Protection_Profiles ( uint16_t  pp )

inlineexplicit

Definition at line 344 of file tls_extensions.h.

: m_pp(1, pp) {}

SRTP_Protection_Profiles() [3/3]

Botan::TLS::SRTP_Protection_Profiles::SRTP_Protection_Profiles	(	TLS_Data_Reader &	reader,
		uint16_t	extension_size
	)

Definition at line 463 of file tls_extensions.cpp.

                                                                            : m_pp(reader.get_range<uint16_t>(2, 0, 65535))
   {
   const std::vector<uint8_t> mki = reader.get_range<uint8_t>(1, 0, 255);
 
   if(m_pp.size() * 2 + mki.size() + 3 != extension_size)
      throw Decoding_Error("Bad encoding for SRTP protection extension");
 
   if(!mki.empty())
      throw Decoding_Error("Unhandled non-empty MKI for SRTP protection extension");
   }

References Botan::TLS::TLS_Data_Reader::get_range().

Member Function Documentation

empty()

bool Botan::TLS::SRTP_Protection_Profiles::empty ( ) const

inlineoverridevirtual

Returns

if we should encode this extension or not

Implements Botan::TLS::Extension.

Definition at line 340 of file tls_extensions.h.

{ return m_pp.empty(); }

profiles()

const std::vector< uint16_t > & Botan::TLS::SRTP_Protection_Profiles::profiles ( ) const

inline

Definition at line 336 of file tls_extensions.h.

{ return m_pp; }

serialize()

std::vector< uint8_t > Botan::TLS::SRTP_Protection_Profiles::serialize ( Connection_Side  whoami ) const

overridevirtual

Returns

serialized binary for the extension

Implements Botan::TLS::Extension.

Definition at line 475 of file tls_extensions.cpp.

   {
   std::vector<uint8_t> buf;
 
   const uint16_t pp_len = static_cast<uint16_t>(m_pp.size() * 2);
   buf.push_back(get_byte(0, pp_len));
   buf.push_back(get_byte(1, pp_len));
 
   for(uint16_t pp : m_pp)
      {
      buf.push_back(get_byte(0, pp));
      buf.push_back(get_byte(1, pp));
      }
 
   buf.push_back(0); // srtp_mki, always empty here
 
   return buf;
   }

References Botan::get_byte().

static_type()

static Handshake_Extension_Type Botan::TLS::SRTP_Protection_Profiles::static_type ( )

inlinestatic

Definition at line 331 of file tls_extensions.h.

         { return TLSEXT_USE_SRTP; }

References Botan::TLS::TLSEXT_USE_SRTP.

type()

Handshake_Extension_Type Botan::TLS::SRTP_Protection_Profiles::type ( ) const

inlineoverridevirtual

Returns

code number of the extension

Implements Botan::TLS::Extension.

Definition at line 334 of file tls_extensions.h.

{ return static_type(); }

---

The documentation for this class was generated from the following files:

• src/lib/tls/tls_extensions.h
• src/lib/tls/tls_extensions.cpp