CHKDF_HMAC_SHA256_L32 Class Reference

A rfc5869 HKDF implementation with HMAC_SHA256 and fixed key output length of 32 bytes (L=32) More...

#include <hkdf_sha256_32.h>

Public Member Functions
	CHKDF_HMAC_SHA256_L32 (const unsigned char *ikm, size_t ikmlen, const std::string &salt)
void	Expand32 (const std::string &info, unsigned char hash[OUTPUT_SIZE])

Private Attributes
unsigned char	m_prk [32]

Static Private Attributes
static const size_t	OUTPUT_SIZE = 32

Detailed Description

A rfc5869 HKDF implementation with HMAC_SHA256 and fixed key output length of 32 bytes (L=32)

Definition at line 12 of file hkdf_sha256_32.h.

Constructor & Destructor Documentation

CHKDF_HMAC_SHA256_L32()

CHKDF_HMAC_SHA256_L32::CHKDF_HMAC_SHA256_L32	(	const unsigned char *	ikm,
		size_t	ikmlen,
		const std::string &	salt )

Definition at line 11 of file hkdf_sha256_32.cpp.

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Member Function Documentation

Expand32()

void CHKDF_HMAC_SHA256_L32::Expand32	(	const std::string &	info,
		unsigned char	hash[OUTPUT_SIZE] )

Definition at line 16 of file hkdf_sha256_32.cpp.

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Member Data Documentation

m_prk

unsigned char CHKDF_HMAC_SHA256_L32::m_prk[32]

private

Definition at line 15 of file hkdf_sha256_32.h.

OUTPUT_SIZE

const size_t CHKDF_HMAC_SHA256_L32::OUTPUT_SIZE = 32

staticprivate

Definition at line 16 of file hkdf_sha256_32.h.

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

• src/crypto/hkdf_sha256_32.h
• src/crypto/hkdf_sha256_32.cpp