ProtocolPP::jlmots Class Reference

Public Member Functions
	jlmots (std::shared_ptr< jrand > &rand, bool psuedorandom)
	jlmots (std::shared_ptr< jrand > &rand, uint32_t que, bool psuedorandom, lmots_algorithm_t type)
virtual	~jlmots ()=default
	default
jarray< uint8_t >	gensk ()
jarray< uint8_t >	genpk (jarray< uint8_t > &lmots_sk)
jarray< uint8_t >	sign (jarray< uint8_t > &message, jarray< uint8_t > &lmots_sk)
jarray< uint8_t >	verify (jarray< uint8_t > &message, jarray< uint8_t > &lmots_sig, jarray< uint8_t > &lmots_pk)
template<typename T >
void	set_field (field_t field, T fieldval)
template<typename T >
T	get_field (field_t field)

Constructor & Destructor Documentation

jlmots() [1/2]

ProtocolPP::jlmots::jlmots	(	std::shared_ptr< jrand > &	rand,
		bool	psuedorandom
	)

Standard constructor with LMOTS_SHA256_N32_W8

Parameters

rand	- psuedorandom with uniform distribution
psuedorandom	- psuedorandom method from Appendix A used for private key

jlmots() [2/2]

ProtocolPP::jlmots::jlmots	(	std::shared_ptr< jrand > &	rand,
		uint32_t	que,
		bool	psuedorandom,
		lmots_algorithm_t	type
	)

Constructor with private and public key

Parameters

rand	- psuedorandom with uniform distribution
que	- leaf value for the Merkle tree
psuedorandom	- psuedorandom method from Appendix A used for private key
type	- Type of LMOTS (LMOTS_SHA256_N32_W1, LMOTS_SHA256_N32_W2, LMOTS_SHA256_N32_W4, LMOTS_SHA256_N32_W8)

Member Function Documentation

genpk()

jarray<uint8_t> ProtocolPP::jlmots::genpk

(

jarray< uint8_t > &

lmots_sk

)

Generate a LMOTS Public Key from Private Key

Parameters

lmots_sk

- LMOTS Private Key

Returns

LMOTS Public Key

gensk()

jarray<uint8_t> ProtocolPP::jlmots::gensk

(

)

Generate a LMOTS Private Key

Returns

LMOTS Private Key

get_field()

template<typename T >

T ProtocolPP::jlmots::get_field

(

field_t

field

)

Returns the field in LMOTS

LMOTS Get Fields

field type	field name	Example
lmots_algorithm_t	AUTH	ProtocolPP::lmots_algorithm_t myalg = get_field<ProtocolPP::lmots_algorithm_t>(ProtocolPP::field_t::AUTH)
uint32_t	OTSW	uint32_t myw = get_field<uint32_t>(ProtocolPP::field_t::OTSW)
uint32_t	OTSQ	uint32_t myw = get_field<uint32_t>(ProtocolPP::field_t::OTSQ)
uint32_t	OTSP	uint32_t myw = get_field<uint32_t>(ProtocolPP::field_t::OTSP)
uint32_t	OTSN	uint32_t myw = get_field<uint32_t>(ProtocolPP::field_t::OTSN)
uint32_t	OTSLS	uint32_t myw = get_field<uint32_t>(ProtocolPP::field_t::OTSLS)
uint32_t	SIGLEN	uint32_t myw = get_field<uint32_t>(ProtocolPP::field_t::SIGLEN)

Parameters

field

- field to retrieve from the security association

Returns

value of the field in the security association

set_field()

template<typename T >

void ProtocolPP::jlmots::set_field	(	field_t	field,
		T	fieldval
	)

Allows the user to update the fields LMOTS

LMOTS Set Fields

field type	field name	Example
uint32_t	LMOTSQ	set_field<uint32_t>(ProtocolPP::field_t::LMOTSQ, 0x00000020)
jarray<uint8_t>	LMOTSI	set_field<jarray<uint8_t>>(ProtocolPP::field_t::LMOTSI, jarray<uint8_t>("11223344556677889900AABBCCDDFF"))
jarray<uint8_t>	LMOTSEED	set_field<jarray<uint8_t>>(ProtocolPP::field_t::LMOTSEED, jarray<uint8_t>("11223344556677889900AABBCCDDEEFF11223344556677889900AABBCCDDEEFF"))

Parameters

field	- field to update the security association with
fieldval	- value to update the security association with

sign()

jarray<uint8_t> ProtocolPP::jlmots::sign	(	jarray< uint8_t > &	message,
		jarray< uint8_t > &	lmots_sk
	)

Generate a LMOTS Signature from a private key and message

Parameters

message	- Message to sign with LMOTS
lmots_sk	- LMOTS Private Key

Returns

LMOTS Signature

verify()

jarray<uint8_t> ProtocolPP::jlmots::verify	(	jarray< uint8_t > &	message,
		jarray< uint8_t > &	lmots_sig,
		jarray< uint8_t > &	lmots_pk
	)

Computing a LMOTS public key from a message and signature (verification)

Parameters

message	- Message to verify with WOTS+
lmots_sig	- LMOTS Signature to verify
lmots_pk	- LMOTS Public key

Returns

Temporary LMOTS Public Key

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

• jlms/include/jlmots.h