sha2_password::Generate_scramble Class Reference

Scramble generator Responsible for generating scramble of following format: XOR(SHA2(m_src), SHA2(SHA2(SHA2(m_src)), m_rnd)) More...

#include <i_sha2_password_common.h>

Public Member Functions
	Generate_scramble (const std::string source, const std::string rnd, Digest_info digest_type=Digest_info::SHA256_DIGEST)
	Generate_scramble constructor. More...
	~Generate_scramble ()
	Generate_scramble destructor. More...
bool	scramble (unsigned char *scramble, unsigned int scramble_length)
	Scramble generation. More...

Private Attributes
std::string	m_src
	plaintext source string More...
std::string	m_rnd
	random string More...
Digest_info	m_digest_type
	Type of digest. More...
Generate_digest *	m_digest_generator
	Digest generator class. More...
unsigned int	m_digest_length
	length of the digest More...

Detailed Description

Scramble generator Responsible for generating scramble of following format: XOR(SHA2(m_src), SHA2(SHA2(SHA2(m_src)), m_rnd))

See also

SHA256_digest

Digest_info

Constructor & Destructor Documentation

Generate_scramble()

sha2_password::Generate_scramble::Generate_scramble	(	const std::string	source,
		const std::string	rnd,
		Digest_info	digest_type = Digest_info::SHA256_DIGEST
	)

Generate_scramble constructor.

Parameters

[in]	source	Plaintext source
[in]	rnd	Salt
[in]	digest_type	Digest type

~Generate_scramble()

sha2_password::Generate_scramble::~Generate_scramble

(

)

Generate_scramble destructor.

Member Function Documentation

scramble()

bool sha2_password::Generate_scramble::scramble	(	unsigned char *	scramble,
		unsigned int	scramble_length
	)

Scramble generation.

Parameters

[out]	scramble	Output buffer for generated scramble
[in]	scramble_length	Size of scramble buffer

Note

SHA2(src) => digest_stage1 SHA2(digest_stage1) => digest_stage2 SHA2(digest_stage2, m_rnd) => scramble_stage1 XOR(digest_stage1, scramble_stage1) => scramble

Returns

Status of scramble generation

Return values

true	Error generating scramble
false	Success

Member Data Documentation

m_digest_generator

Generate_digest* sha2_password::Generate_scramble::m_digest_generator

private

Digest generator class.

m_digest_length

unsigned int sha2_password::Generate_scramble::m_digest_length

private

length of the digest

m_digest_type

Digest_info sha2_password::Generate_scramble::m_digest_type

private

Type of digest.

m_rnd

std::string sha2_password::Generate_scramble::m_rnd

private

random string

m_src

std::string sha2_password::Generate_scramble::m_src

private

plaintext source string

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

• sql/auth/i_sha2_password_common.h
• sql/auth/sha2_password_common.cc