RFC6979_HMAC_SHA256 Class Reference

The RFC 6979 PRNG using HMAC-SHA256. More...

#include <rfc6979_hmac_sha256.h>

Public Member Functions
	RFC6979_HMAC_SHA256 (const unsigned char *key, size_t keylen, const unsigned char *msg, size_t msglen)
	Construct a new RFC6979 PRNG, using the given key and message. More...
void	Generate (unsigned char *output, size_t outputlen)
	Generate a byte array. More...
	~RFC6979_HMAC_SHA256 ()

Private Attributes
unsigned char	V [CHMAC_SHA256::OUTPUT_SIZE]
unsigned char	K [CHMAC_SHA256::OUTPUT_SIZE]
bool	retry

Detailed Description

The RFC 6979 PRNG using HMAC-SHA256.

Definition at line 14 of file rfc6979_hmac_sha256.h.

Constructor & Destructor Documentation

RFC6979_HMAC_SHA256()

RFC6979_HMAC_SHA256::RFC6979_HMAC_SHA256	(	const unsigned char *	key,
		size_t	keylen,
		const unsigned char *	msg,
		size_t	msglen
	)

Construct a new RFC6979 PRNG, using the given key and message.

The message is assumed to be already hashed.

Definition at line 14 of file rfc6979_hmac_sha256.cpp.

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~RFC6979_HMAC_SHA256()

RFC6979_HMAC_SHA256::~RFC6979_HMAC_SHA256

(

)

Definition at line 25 of file rfc6979_hmac_sha256.cpp.

Member Function Documentation

Generate()

void RFC6979_HMAC_SHA256::Generate	(	unsigned char *	output,
		size_t	outputlen
	)

Generate a byte array.

Definition at line 31 of file rfc6979_hmac_sha256.cpp.

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Member Data Documentation

K

unsigned char RFC6979_HMAC_SHA256::K[CHMAC_SHA256::OUTPUT_SIZE]

private

Definition at line 18 of file rfc6979_hmac_sha256.h.

retry

bool RFC6979_HMAC_SHA256::retry

private

Definition at line 19 of file rfc6979_hmac_sha256.h.

V

unsigned char RFC6979_HMAC_SHA256::V[CHMAC_SHA256::OUTPUT_SIZE]

private

Definition at line 17 of file rfc6979_hmac_sha256.h.

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

• src/crypto/rfc6979_hmac_sha256.h
• src/crypto/rfc6979_hmac_sha256.cpp