A descriptor of encryption method and key to be used in container. More...

#include <Recipient.h>

Public Types
enum	Type : uint8_t { NONE, SYMMETRIC_KEY, PUBLIC_KEY, KEYSHARE }
	The recipient type. More...

enum	PKType : uint8_t { ECC, RSA }
	The public key type. More...

Public Member Functions
	Recipient ()=default

bool	isEmpty () const
	test whether the Recipient structure is initialized More...

bool	isSymmetric () const
	check whether Recipient is based on symmetric key More...

bool	isPKI () const
	check whether Recipient is based on public key More...

bool	isCertificate () const
	check whether Recipient is based on certificate More...

bool	isKeyServer () const
	check whether Recipient is keyserver More...

bool	isKeyShare () const
	check whether Recipient is keyshare More...

void	clear ()
	Clear all values and set type to NONE. More...

bool	isTheSameRecipient (const Recipient &other) const
	A convenience method to check whether two recipients are both public key based and have the same keys. More...

bool	isTheSameRecipient (const std::vector< uint8_t > &public_key) const
	A convenience method to check whether a recipient is public key based and has the given keys. More...

std::string	getLabel (const std::vector< std::pair< std::string_view, std::string_view >> &extra) const
	Get the label for this recipient. More...

bool	operator== (const Recipient &other) const =default

Static Public Member Functions
static Recipient	makeSymmetric (std::string label, int32_t kdf_iter)
	Create a new symmetric key based Recipient. More...

static Recipient	makePublicKey (std::string label, std::vector< uint8_t > public_key, PKType pk_type)
	Create a new public key based Recipient. More...

static Recipient	makeCertificate (std::string label, std::vector< uint8_t > cert)
	Create a new certificate based Recipient. More...

static Recipient	makeServer (std::string label, std::vector< uint8_t > public_key, PKType pk_type, std::string server_id)
	Create a new capsule server based Recipient If the label is empty, a machine-readable label text (public key version) is automatically generated according to CDoc2 specification. More...

static Recipient	makeServer (std::string label, std::vector< uint8_t > cert, std::string server_id)
	Create a new capsule server based Recipient If the label is empty, a machine-readable label text (either eID or certificate version) is automatically generated according to CDoc2 specification. More...

static Recipient	makeShare (std::string label, std::string server_id, std::string recipient_id)
	Create new keyshare recipient. More...

static std::map< std::string, std::string >	parseLabel (const std::string &label)
	parse machine-readable CDoc2 label More...

Public Attributes
Type	type = Type::NONE
	The recipient type. More...

PKType	pk_type = PKType::ECC
	The public key type. More...

int32_t	kdf_iter = 0
	The number of iterations for PBKDF. Value 0 means directly provided symmetric key. More...

std::string	label
	The recipient's label (if empty the lock label will be autogenerated) More...

std::vector< uint8_t >	rcpt_key
	Recipient's public key (for all PKI types) More...

std::vector< uint8_t >	cert
	The recipient's certificate (if present) More...

std::string	id
	The recipient id for share server (PNOEE-XXXXXXXXXXX) More...

std::string	server_id
	The keyserver or share server list id (if present) More...

uint64_t	expiry_ts = 0
	The requested capsule expiry timestamp (0 - use server default) More...

std::string	file_name
	key/certificate filename for machine-readable label More...

std::string	key_name
	public key/password name for machine-readable label More...

Protected Member Functions
	Recipient (Type _type)

Detailed Description

A descriptor of encryption method and key to be used in container.

Recipient determines all the relevant properties to encrypt the FMK for a certain target.

Member Enumeration Documentation

◆ PKType

enum libcdoc::Recipient::PKType : uint8_t

The public key type.

Enumerator
ECC	Elliptic curve
RSA	RSA

◆ Type

enum libcdoc::Recipient::Type : uint8_t

The recipient type.

Enumerator
NONE	Uninitialized recipient
SYMMETRIC_KEY	Symmetric key (or password)
PUBLIC_KEY	Public key.
KEYSHARE	n of n shared symmetric key

Constructor & Destructor Documentation

◆ Recipient() [1/2]

libcdoc::Recipient::Recipient ( )

default

◆ Recipient() [2/2]

libcdoc::Recipient::Recipient ( Type _type )

inlineprotected

Member Function Documentation

◆ clear()

void libcdoc::Recipient::clear ( )

inline

Clear all values and set type to NONE.

◆ getLabel()

std::string libcdoc::Recipient::getLabel ( const std::vector< std::pair< std::string_view, std::string_view >> & extra ) const

Get the label for this recipient.

Either returns user-specified label or generate machine-readable if empty

Parameters

extra additional parameter values to use

Returns: a label value

◆ isCertificate()

bool libcdoc::Recipient::isCertificate ( ) const

inline

check whether Recipient is based on certificate

Returns: true if type is CERTIFICATE

◆ isEmpty()

bool libcdoc::Recipient::isEmpty ( ) const

inline

test whether the Recipient structure is initialized

Returns: true if not initialized

◆ isKeyServer()

bool libcdoc::Recipient::isKeyServer ( ) const

inline

check whether Recipient is keyserver

Returns: true if type is SERVER

◆ isKeyShare()

bool libcdoc::Recipient::isKeyShare ( ) const

inline

check whether Recipient is keyshare

Returns: true if type is KEYSHARE

◆ isPKI()

bool libcdoc::Recipient::isPKI ( ) const

inline

check whether Recipient is based on public key

Returns: true if type is CERTIFICATE, PUBLIC_KEY or SERVER

◆ isSymmetric()

bool libcdoc::Recipient::isSymmetric ( ) const

inline

check whether Recipient is based on symmetric key

Returns: true if type is SYMMETRIC_KEY

◆ isTheSameRecipient() [1/2]

bool libcdoc::Recipient::isTheSameRecipient ( const Recipient & other ) const

A convenience method to check whether two recipients are both public key based and have the same keys.

Parameters

other another Recipient

Returns: true if the public keys are identical

◆ isTheSameRecipient() [2/2]

bool libcdoc::Recipient::isTheSameRecipient ( const std::vector< uint8_t > & public_key ) const

A convenience method to check whether a recipient is public key based and has the given keys.

Parameters

public_key a public key to test

Returns: true if the public keys are identical

◆ makeCertificate()

static Recipient libcdoc::Recipient::makeCertificate	(	std::string	label,
		std::vector< uint8_t >	cert
	)

static

Create a new certificate based Recipient.

Parameters

label	the label text
cert	the certificate value (der-encoded)

Returns: a new Recipient structure

◆ makePublicKey()

static Recipient libcdoc::Recipient::makePublicKey	(	std::string	label,
		std::vector< uint8_t >	public_key,
		PKType	pk_type
	)

static

Create a new public key based Recipient.

Parameters

label	the label text
public_key	the public key value
pk_type	the algorithm type (either ECC or RSA)

Returns: a new Recipient structure

◆ makeServer() [1/2]

static Recipient libcdoc::Recipient::makeServer	(	std::string	label,
		std::vector< uint8_t >	public_key,
		PKType	pk_type,
		std::string	server_id
	)

static

Create a new capsule server based Recipient If the label is empty, a machine-readable label text (public key version) is automatically generated according to CDoc2 specification.

Parameters

label	the label text
public_key	the public key value
pk_type	the algorithm type (either ECC or RSA)
server_id	the keyserver id

Returns: a new Recipient structure

◆ makeServer() [2/2]

static Recipient libcdoc::Recipient::makeServer	(	std::string	label,
		std::vector< uint8_t >	cert,
		std::string	server_id
	)

static

Create a new capsule server based Recipient If the label is empty, a machine-readable label text (either eID or certificate version) is automatically generated according to CDoc2 specification.

Parameters

label	the label text
cert	the recipient's certificate (der-encoded)
server_id	the keyserver id

Returns: a new Recipient structure

◆ makeShare()

static Recipient libcdoc::Recipient::makeShare	(	std::string	label,
		std::string	server_id,
		std::string	recipient_id
	)

static

Create new keyshare recipient.

Parameters

label	the label text
server_id	the id of share server group
recipient_id	the recipient id (PNOEE-01234567890)

Returns: Recipient a new Recipient structure

◆ makeSymmetric()

static Recipient libcdoc::Recipient::makeSymmetric	(	std::string	label,
		int32_t	kdf_iter
	)

static

Create a new symmetric key based Recipient.

Parameters

label	the label text
kdf_iter	the number of PBKDF iterations (0 if full key is provided)

Returns: a new Recipient structure

◆ operator==()

bool libcdoc::Recipient::operator== ( const Recipient & other ) const

default

◆ parseLabel()

static std::map<std::string, std::string> libcdoc::Recipient::parseLabel ( const std::string & label )

static

parse machine-readable CDoc2 label

Parameters

label the label

Returns: a map of key-value pairs

Member Data Documentation

◆ cert

std::vector<uint8_t> libcdoc::Recipient::cert

The recipient's certificate (if present)

◆ expiry_ts

uint64_t libcdoc::Recipient::expiry_ts = 0

The requested capsule expiry timestamp (0 - use server default)

◆ file_name

std::string libcdoc::Recipient::file_name

key/certificate filename for machine-readable label

◆ id

std::string libcdoc::Recipient::id

The recipient id for share server (PNOEE-XXXXXXXXXXX)

◆ kdf_iter

int32_t libcdoc::Recipient::kdf_iter = 0

The number of iterations for PBKDF. Value 0 means directly provided symmetric key.

◆ key_name

std::string libcdoc::Recipient::key_name

public key/password name for machine-readable label

◆ label

std::string libcdoc::Recipient::label

The recipient's label (if empty the lock label will be autogenerated)

◆ pk_type

PKType libcdoc::Recipient::pk_type = PKType::ECC

The public key type.

◆ rcpt_key

std::vector<uint8_t> libcdoc::Recipient::rcpt_key

Recipient's public key (for all PKI types)

◆ server_id

std::string libcdoc::Recipient::server_id

The keyserver or share server list id (if present)

◆ type

Type libcdoc::Recipient::type = Type::NONE

The recipient type.

The documentation for this struct was generated from the following file:

Recipient.h

Public Types

Public Member Functions

Static Public Member Functions

Public Attributes

Protected Member Functions

Detailed Description

Member Enumeration Documentation

◆ PKType

◆ Type

Constructor & Destructor Documentation

◆ Recipient() [1/2]

◆ Recipient() [2/2]

Member Function Documentation

◆ clear()

◆ getLabel()

◆ isCertificate()

◆ isEmpty()

◆ isKeyServer()

◆ isKeyShare()

◆ isPKI()

◆ isSymmetric()

◆ isTheSameRecipient() [1/2]

◆ isTheSameRecipient() [2/2]

◆ makeCertificate()

◆ makePublicKey()

◆ makeServer() [1/2]

◆ makeServer() [2/2]

◆ makeShare()

◆ makeSymmetric()

◆ operator==()

◆ parseLabel()

Member Data Documentation

◆ cert

◆ expiry_ts

◆ file_name

◆ id

◆ kdf_iter

◆ key_name

◆ label

◆ pk_type

◆ rcpt_key

◆ server_id

◆ type