HmacHash< HashCreator, DigestLength > Class Template Reference

#include <HmacHash.h>

Public Member Functions
	HmacHash (uint32 len, uint8 const *seed)
	~HmacHash ()
void	UpdateData (std::string const &str)
void	UpdateData (uint8 const *data, size_t len)
void	Finalize ()
uint8 *	ComputeHash (BigNumber *bn)
uint8 *	GetDigest ()
uint32	GetLength () const

Private Attributes
HMAC_CTX	_ctx
uint8	_digest [DigestLength]

Constructor & Destructor Documentation

template<HashCreateFn HashCreator, uint32 DigestLength>

HmacHash< HashCreator, DigestLength >::HmacHash	(	uint32	len,
		uint8 const *	seed
	)

{
 HMAC_CTX_init(&_ctx);
 HMAC_Init_ex(&_ctx, seed, len, HashCreator(), NULL);
 memset(_digest, 0, DigestLength);
}

template<HashCreateFn HashCreator, uint32 DigestLength>

HmacHash< HashCreator, DigestLength >::~HmacHash

(

)

{
 HMAC_CTX_cleanup(&_ctx);
}

Member Function Documentation

template<HashCreateFn HashCreator, uint32 DigestLength>

uint8 * HmacHash< HashCreator, DigestLength >::ComputeHash

(

BigNumber *

bn

)

{
 HMAC_Update(&_ctx, bn->AsByteArray().get(), bn->GetNumBytes());
 Finalize();
 return _digest;
}

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template<HashCreateFn HashCreator, uint32 DigestLength>

void HmacHash< HashCreator, DigestLength >::Finalize

(

)

{
 uint32 length = 0;
 HMAC_Final(&_ctx, _digest, &length);
 ASSERT(length == DigestLength);
}

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template<HashCreateFn HashCreator, uint32 DigestLength>

uint8* HmacHash< HashCreator, DigestLength >::GetDigest ( )

inline

{ return _digest; }

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template<HashCreateFn HashCreator, uint32 DigestLength>

uint32 HmacHash< HashCreator, DigestLength >::GetLength ( ) const

inline

{ return DigestLength; }

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template<HashCreateFn HashCreator, uint32 DigestLength>

void HmacHash< HashCreator, DigestLength >::UpdateData

(

std::string const &

str

)

{
 HMAC_Update(&_ctx, (uint8 const*)str.c_str(), str.length());
}

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template<HashCreateFn HashCreator, uint32 DigestLength>

void HmacHash< HashCreator, DigestLength >::UpdateData	(	uint8 const *	data,
		size_t	len
	)

{
 HMAC_Update(&_ctx, data, len);
}

Member Data Documentation

template<HashCreateFn HashCreator, uint32 DigestLength>

HMAC_CTX HmacHash< HashCreator, DigestLength >::_ctx

private

template<HashCreateFn HashCreator, uint32 DigestLength>

uint8 HmacHash< HashCreator, DigestLength >::_digest[DigestLength]

private

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

• src/common/Cryptography/HmacHash.h
• src/common/Cryptography/HmacHash.cpp