ProtocolPP::jwots Class Reference

Public Member Functions
	jwots (std::shared_ptr< jrand > &rand)
	jwots (std::shared_ptr< jrand > &rand, ots_algorithm_t type, uint32_t w=16)
virtual	~jwots ()=default
	default
void	base_w (uint8_t *input, uint8_t *output, uint32_t outlen)
int	chain (uint32_t startidx, uint32_t steps, jxmssaddr &addr, uint8_t *input, uint8_t *seed, uint8_t *output)
void	gensk (uint8_t *sk)
void	genpk (jxmssaddr &addr, uint8_t *wots_sk, uint8_t *seed, uint8_t *pk)
void	sign (jxmssaddr &addr, uint8_t *message, uint8_t *wots_sk, uint8_t *seed, uint8_t *sig)
void	pkFromSig (jxmssaddr &addr, uint8_t *message, uint8_t *wots_sig, uint8_t *seed, uint8_t *pk)

Constructor & Destructor Documentation

jwots() [1/2]

ProtocolPP::jwots::jwots ( std::shared_ptr< jrand > &  rand )

explicit

Standard constructor

Parameters

rand	- psuedorandom with uniform distribution

jwots() [2/2]

ProtocolPP::jwots::jwots	(	std::shared_ptr< jrand > &	rand,
		ots_algorithm_t	type,
		uint32_t	w = 16
	)

Constructor with private and public key

Parameters

rand	- psuedorandom with uniform distribution
type	- Type of WOTS+ (WOTS_SHA2_256, WOTS_SHAKE_256, WOTS_SHA2_512, WOTS_SHAKE_512)
w	- Winternitz parameter {4,16} (default=16)

Member Function Documentation

base_w()

void ProtocolPP::jwots::base_w	(	uint8_t *	input,
		uint8_t *	output,
		uint32_t	outlen
	)

WOTS_genSK - Generate a WOTS+ Private Key

Parameters

input	- Input byte string to convert to base W
output	- Input converted to baseW
outlen	- length of output

chain()

int ProtocolPP::jwots::chain	(	uint32_t	startidx,
		uint32_t	steps,
		jxmssaddr &	addr,
		uint8_t *	input,
		uint8_t *	seed,
		uint8_t *	output
	)

WOTS_genSK - Generate a WOTS+ Private Key

Parameters

startidx	- Start index for tree
steps	- Number of steps to perform
addr	- Tree address
input	- Chain data
seed	- Seed of the tree
output	- Chained data, modified private key

genpk()

void ProtocolPP::jwots::genpk	(	jxmssaddr &	addr,
		uint8_t *	wots_sk,
		uint8_t *	seed,
		uint8_t *	pk
	)

Generate a WOTS+ Public Key from Private Key

Parameters

addr	- Tree address
wots_sk	- WOTS+ Private Key
seed	- Seed of the tree
pk	- WOTS+ public key

gensk()

void ProtocolPP::jwots::gensk

(

uint8_t *

sk

)

Generate a WOTS+ Private Key

Parameters

sk	- WOTS+ Private Key

pkFromSig()

void ProtocolPP::jwots::pkFromSig	(	jxmssaddr &	addr,
		uint8_t *	message,
		uint8_t *	wots_sig,
		uint8_t *	seed,
		uint8_t *	pk
	)

Computing a WOTS+ public key from a message and signature (verification)

Parameters

addr	- Tree address
message	- Message to verify with WOTS+
wots_sig	- WOTS+ Signature to verify
seed	- Seed of the tree
pk	- temporary public key from signature

sign()

void ProtocolPP::jwots::sign	(	jxmssaddr &	addr,
		uint8_t *	message,
		uint8_t *	wots_sk,
		uint8_t *	seed,
		uint8_t *	sig
	)

Generate a WOTS+ Signature from a private key and message

Parameters

addr	- Tree address
message	- Message to sign with WOTS+
wots_sk	- WOTS+ Private Key
seed	- Seed of the tree
sig	- WOTS+ Signature

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

• jxmss/include/jwots.h