SessionKeyGenerator< Hash > Class Template Reference

#include <SessionKeyGeneration.h>

Public Member Functions
	SessionKeyGenerator (uint8 *buff, uint32 size)
void	Generate (uint8 *buf, uint32 sz)

Private Member Functions
void	FillUp ()

Private Attributes
Hash	sh
uint32	taken
uint8	o0 [Hash::DigestLength::value]
uint8	o1 [Hash::DigestLength::value]
uint8	o2 [Hash::DigestLength::value]

Constructor & Destructor Documentation

template<class Hash >

SessionKeyGenerator< Hash >::SessionKeyGenerator ( uint8 *  buff, uint32  size  )

inline

 {
 uint32 halfSize = size / 2;

 sh.Initialize();
 sh.UpdateData(buff, halfSize);
 sh.Finalize();

 memcpy(o1, sh.GetDigest(), Hash::DigestLength::value);

 sh.Initialize();
 sh.UpdateData(buff + halfSize, size - halfSize);
 sh.Finalize();

 memcpy(o2, sh.GetDigest(), Hash::DigestLength::value);

 memset(o0, 0x00, Hash::DigestLength::value);

 FillUp();
 }

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Member Function Documentation

template<class Hash >

void SessionKeyGenerator< Hash >::FillUp ( )

inlineprivate

 {
 sh.Initialize();
 sh.UpdateData(o1, Hash::DigestLength::value);
 sh.UpdateData(o0, Hash::DigestLength::value);
 sh.UpdateData(o2, Hash::DigestLength::value);
 sh.Finalize();

 memcpy(o0, sh.GetDigest(), Hash::DigestLength::value);

 taken = 0;
 }

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template<class Hash >

void SessionKeyGenerator< Hash >::Generate ( uint8 *  buf, uint32  sz  )

inline

 {
 for (uint32 i = 0; i < sz; ++i)
 {
 if (taken == Hash::DigestLength::value)
 FillUp();

 buf[i] = o0[taken];
 taken++;
 }
 }

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Member Data Documentation

template<class Hash >

uint8 SessionKeyGenerator< Hash >::o0[Hash::DigestLength::value]

private

template<class Hash >

uint8 SessionKeyGenerator< Hash >::o1[Hash::DigestLength::value]

private

template<class Hash >

uint8 SessionKeyGenerator< Hash >::o2[Hash::DigestLength::value]

private

template<class Hash >

Hash SessionKeyGenerator< Hash >::sh

private

template<class Hash >

uint32 SessionKeyGenerator< Hash >::taken

private

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

• src/common/Cryptography/SessionKeyGeneration.h