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MySQL 5.1: yaSSL::ClientDiffieHellmanPublic Class Reference

yaSSL::ClientDiffieHellmanPublic

yaSSL::ClientDiffieHellmanPublic Class Reference

#include <yassl_imp.hpp>

Inheritance diagram for yaSSL::ClientDiffieHellmanPublic:

[legend]Collaboration diagram for yaSSL::ClientDiffieHellmanPublic:

[legend]List of all members.


Public Member Functions
	ClientDiffieHellmanPublic ()
	~ClientDiffieHellmanPublic ()
void	build (SSL &)
void	read (SSL &, input_buffer &)
int	get_length () const
opaque *	get_clientKey () const
void	alloc (int sz, bool offset=false)
Private Types
	KEY_OFFSET = 2
enum	{ KEY_OFFSET = 2 }
Private Member Functions
	ClientDiffieHellmanPublic (const ClientDiffieHellmanPublic &)
ClientDiffieHellmanPublic &	operator= (const ClientDiffieHellmanPublic &)
Private Attributes
PublicValueEncoding	public_value_encoding_
int	length_
opaque *	Yc_

Detailed Description

Definition at line 513 of file yassl_imp.hpp.

Member Enumeration Documentation

anonymous enum [private]

Enumerator:

KEY_OFFSET

Definition at line 518 of file yassl_imp.hpp.

00518 { KEY_OFFSET = 2 };

Constructor & Destructor Documentation

yaSSL::ClientDiffieHellmanPublic::ClientDiffieHellmanPublic ( )

Definition at line 293 of file yassl_imp.cpp.

00294     : length_(0), Yc_(0)
00295 {}

yaSSL::ClientDiffieHellmanPublic::~ClientDiffieHellmanPublic ( )

Definition at line 298 of file yassl_imp.cpp.

References Yc_, and yaSSL::ysArrayDelete().

00299 {
00300     ysArrayDelete(Yc_);
00301 }

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yaSSL::ClientDiffieHellmanPublic::ClientDiffieHellmanPublic ( const ClientDiffieHellmanPublic & ) [private]

Member Function Documentation

void yaSSL::ClientDiffieHellmanPublic::alloc	(	int	sz,
		bool	offset = `false`
	)

Definition at line 316 of file yassl_imp.cpp.

References KEY_OFFSET, length_, NEW_YS, and Yc_.

Referenced by build(), and read().

00317 {
00318     length_ = sz + (offset ? KEY_OFFSET : 0); 
00319     Yc_ = NEW_YS opaque[length_];
00320 }

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void yaSSL::ClientDiffieHellmanPublic::build ( SSL & ) [virtual]

Reimplemented from yaSSL::ClientKeyBase.

Definition at line 111 of file yassl_imp.cpp.

References alloc(), yaSSL::c16toa(), yaSSL::DiffieHellman::get_agreedKey(), yaSSL::DiffieHellman::get_agreedKeyLength(), yaSSL::DiffieHellman::get_publicKey(), KEY_OFFSET, yaSSL::DiffieHellman::makeAgreement(), memcpy, yaSSL::SSL::set_preMaster(), yaSSL::Crypto::use_dh(), yaSSL::SSL::useCrypto(), and Yc_.

00112 {
00113     DiffieHellman& dhServer = ssl.useCrypto().use_dh();
00114     DiffieHellman  dhClient(dhServer);
00115 
00116     uint keyLength = dhClient.get_agreedKeyLength(); // pub and agree same
00117 
00118     alloc(keyLength, true);
00119     dhClient.makeAgreement(dhServer.get_publicKey(), keyLength);
00120     c16toa(keyLength, Yc_);
00121     memcpy(Yc_ + KEY_OFFSET, dhClient.get_publicKey(), keyLength);
00122 
00123     // because of encoding first byte might be zero, don't use it for preMaster
00124     if (*dhClient.get_agreedKey() == 0) 
00125         ssl.set_preMaster(dhClient.get_agreedKey() + 1, keyLength - 1);
00126     else
00127     ssl.set_preMaster(dhClient.get_agreedKey(), keyLength);
00128 }

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opaque * yaSSL::ClientDiffieHellmanPublic::get_clientKey ( ) const [virtual]

Reimplemented from yaSSL::ClientKeyBase.

Definition at line 310 of file yassl_imp.cpp.

References Yc_.

00311 {
00312     return Yc_;
00313 }

int yaSSL::ClientDiffieHellmanPublic::get_length ( ) const [virtual]

Reimplemented from yaSSL::ClientKeyBase.

Definition at line 304 of file yassl_imp.cpp.

References length_.

00305 {
00306     return length_;
00307 }

ClientDiffieHellmanPublic& yaSSL::ClientDiffieHellmanPublic::operator= ( const ClientDiffieHellmanPublic & ) [private]

void yaSSL::ClientDiffieHellmanPublic::read	(	SSL &	,
		input_buffer &
	)			`[virtual]`

Reimplemented from yaSSL::ClientKeyBase.

Definition at line 270 of file yassl_imp.cpp.

References alloc(), yaSSL::ato16(), yaSSL::AUTO, yaSSL::DiffieHellman::get_agreedKey(), yaSSL::DiffieHellman::get_agreedKeyLength(), yaSSL::DiffieHellman::makeAgreement(), yaSSL::SSL::makeMasterSecret(), yaSSL::input_buffer::read(), yaSSL::SSL::set_preMaster(), yaSSL::Crypto::use_dh(), yaSSL::SSL::useCrypto(), and Yc_.

00271 {
00272     DiffieHellman& dh = ssl.useCrypto().use_dh();
00273 
00274     uint16 keyLength;
00275     byte tmp[2];
00276     tmp[0] = input[AUTO];
00277     tmp[1] = input[AUTO];
00278     ato16(tmp, keyLength);
00279 
00280     alloc(keyLength);
00281     input.read(Yc_, keyLength);
00282     dh.makeAgreement(Yc_, keyLength); 
00283 
00284     // because of encoding, first byte might be 0, don't use for preMaster 
00285     if (*dh.get_agreedKey() == 0) 
00286         ssl.set_preMaster(dh.get_agreedKey() + 1, dh.get_agreedKeyLength() - 1);
00287     else
00288         ssl.set_preMaster(dh.get_agreedKey(), dh.get_agreedKeyLength());
00289     ssl.makeMasterSecret();
00290 }