Botan::TLS::Certificate_Verify Class Reference

#include <tls_messages.h>

Inheritance diagram for Botan::TLS::Certificate_Verify:

List of all members.

Public Member Functions
	Certificate_Verify (Handshake_IO &io, Handshake_State &state, const Policy &policy, RandomNumberGenerator &rng, const Private_Key *key)
	Certificate_Verify (const std::vector< byte > &buf, Protocol_Version version)
Handshake_Type	type () const override
bool	verify (const X509_Certificate &cert, const Handshake_State &state) const

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Detailed Description

Certificate Verify Message

Definition at line 409 of file tls_messages.h.

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Constructor & Destructor Documentation

Botan::TLS::Certificate_Verify::Certificate_Verify	(	Handshake_IO &	io,
		Handshake_State &	state,
		const Policy &	policy,
		RandomNumberGenerator &	rng,
		const Private_Key *	key
	)

Definition at line 20 of file msg_cert_verify.cpp.

References BOTAN_ASSERT_NONNULL, Botan::TLS::Handshake_State::choose_sig_format(), Botan::TLS::Handshake_Hash::get_contents(), Botan::TLS::Handshake_State::hash(), Botan::TLS::Handshake_IO::send(), Botan::PK_Signer::sign_message(), and Botan::TLS::Handshake_Hash::update().

   {
   BOTAN_ASSERT_NONNULL(priv_key);

   std::pair<std::string, Signature_Format> format =
      state.choose_sig_format(*priv_key, m_hash_algo, m_sig_algo, true, policy);

   PK_Signer signer(*priv_key, format.first, format.second);

   m_signature = signer.sign_message(state.hash().get_contents(), rng);

   state.hash().update(io.send(*this));
   }

Botan::TLS::Certificate_Verify::Certificate_Verify	(	const std::vector< byte > &	buf,
		Protocol_Version	version
	)

Definition at line 41 of file msg_cert_verify.cpp.

References Botan::TLS::TLS_Data_Reader::get_byte(), Botan::TLS::TLS_Data_Reader::get_range(), Botan::TLS::Signature_Algorithms::hash_algo_name(), Botan::TLS::Signature_Algorithms::sig_algo_name(), and Botan::TLS::Protocol_Version::supports_negotiable_signature_algorithms().

   {
   TLS_Data_Reader reader("CertificateVerify", buf);

   if(version.supports_negotiable_signature_algorithms())
      {
      m_hash_algo = Signature_Algorithms::hash_algo_name(reader.get_byte());
      m_sig_algo = Signature_Algorithms::sig_algo_name(reader.get_byte());
      }

   m_signature = reader.get_range<byte>(2, 0, 65535);
   }

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Member Function Documentation

Handshake_Type Botan::TLS::Certificate_Verify::type

(

)

const [inline, override, virtual]

Implements Botan::TLS::Handshake_Message.

Definition at line 412 of file tls_messages.h.

References Botan::TLS::CERTIFICATE_VERIFY.

{ return CERTIFICATE_VERIFY; }

bool Botan::TLS::Certificate_Verify::verify	(	const X509_Certificate &	cert,
		const Handshake_State &	state
	)		const

Check the signature on a certificate verify message

Parameters:

cert	the purported certificate
state	the handshake state

Definition at line 79 of file msg_cert_verify.cpp.

References Botan::TLS::Handshake_Hash::get_contents(), Botan::TLS::Handshake_State::hash(), Botan::X509_Certificate::subject_public_key(), Botan::TLS::Handshake_State::understand_sig_format(), and Botan::PK_Verifier::verify_message().

   {
   std::unique_ptr<Public_Key> key(cert.subject_public_key());

   std::pair<std::string, Signature_Format> format =
      state.understand_sig_format(*key.get(), m_hash_algo, m_sig_algo);

   PK_Verifier verifier(*key, format.first, format.second);

   return verifier.verify_message(state.hash().get_contents(), m_signature);
   }

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

• src/lib/tls/tls_messages.h
• src/lib/tls/msg_cert_verify.cpp