fido_prepare_assert Class Reference

A wrapper class to access fido2 library APIs to interact with the device. More...

#include <fido_assertion.h>

Public Member Functions
	fido_prepare_assert ()
	Construcutor to allocate memory for performing assertion (authentication) More...
	~fido_prepare_assert ()
	Standard destructor. More...
bool	parse_challenge (const unsigned char *challenge)
	Helper method to parse the challenge received from server during authentication process. More...
bool	sign_challenge ()
	Method to obtains an assertion from a FIDO device. More...
void	get_signed_challenge (unsigned char **challenge_res, size_t &challenge_res_len)
	This method will extract authenticator data, signature from fido_assert_t struct. More...

Private Member Functions
void	set_scramble (unsigned char *scramble, size_t len)
	Set method to set 32 bit random salt. More...
void	set_cred_id (unsigned char *cred, size_t len)
	Set method to set credential ID. More...
void	set_rp_id (const char *rp_id)
	Method to set the relying party name or id. More...
const unsigned char *	get_authdata_ptr ()
	Method to get authenticator data. More...
size_t	get_authdata_len ()
	Method to get length of authenticator data. More...
const unsigned char *	get_signature_ptr ()
	Method to get signature. More...
size_t	get_signature_len ()
	Method to get length of signature. More...

Private Attributes
fido_assert_t *	m_assert

Detailed Description

A wrapper class to access fido2 library APIs to interact with the device.

This class abstracts all access to FIDO device.

Constructor & Destructor Documentation

fido_prepare_assert()

fido_prepare_assert::fido_prepare_assert

(

)

Construcutor to allocate memory for performing assertion (authentication)

~fido_prepare_assert()

fido_prepare_assert::~fido_prepare_assert

(

)

Standard destructor.

Member Function Documentation

get_authdata_len()

size_t fido_prepare_assert::get_authdata_len ( )

private

Method to get length of authenticator data.

Return values

length

of authenticator data

get_authdata_ptr()

const unsigned char * fido_prepare_assert::get_authdata_ptr ( )

private

Method to get authenticator data.

Return values

buffer

holding authenticator data

get_signature_len()

size_t fido_prepare_assert::get_signature_len ( )

private

Method to get length of signature.

Return values

length

of signature

get_signature_ptr()

const unsigned char * fido_prepare_assert::get_signature_ptr ( )

private

Method to get signature.

Return values

buffer

holding signature data

get_signed_challenge()

void fido_prepare_assert::get_signed_challenge	(	unsigned char **	challenge_res,
		size_t &	challenge_res_len
	)

This method will extract authenticator data, signature from fido_assert_t struct.

Parameters

[out]	challenge_res	buffer to signed challenge
[out]	challenge_res_len	length of signed challenge

parse_challenge()

bool fido_prepare_assert::parse_challenge

(

const unsigned char *

challenge

)

Helper method to parse the challenge received from server during authentication process.

This method extracts salt, relying party name and set it in fido_assert_t.

Parameters

[in]

challenge

buffer holding the server challenge

Return values

false	received challenge was valid
true	received challenge was corrupt

set_cred_id()

void fido_prepare_assert::set_cred_id ( unsigned char *  cred, size_t  len  )

private

Set method to set credential ID.

Parameters

[in]	cred	buffer holding credential ID
[in]	len	length of credential ID

set_rp_id()

void fido_prepare_assert::set_rp_id ( const char *  rp_id )

private

Method to set the relying party name or id.

Parameters

[in]

rp_id

buffer holding relying party name

set_scramble()

void fido_prepare_assert::set_scramble ( unsigned char *  scramble, size_t  len  )

private

Set method to set 32 bit random salt.

Parameters

[in]	scramble	buffer holding random salt
[in]	len	length of salt

sign_challenge()

bool fido_prepare_assert::sign_challenge

(

)

Method to obtains an assertion from a FIDO device.

Return values

false	assertion successful.
true	assertion failed.

Member Data Documentation

m_assert

fido_assert_t* fido_prepare_assert::m_assert

private

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

• libmysql/authentication_fido/fido_assertion.h
• libmysql/authentication_fido/fido_assertion.cc