nostr::Utils Class Reference

#include <NostrUtils.h>

Static Public Member Functions
static void	setUnixTimeSecondsProvider (std::function< unsigned long long()> timeSecondsProvider)
static void	setRandomBytesProvider (std::function< bool(uint8_t *, size_t)> randomBytesProvider)
static void	setLogger (std::function< void(const NostrString &)> logger)
static void	log (const NostrString &message)
static long long	unixTimeSeconds ()
static NostrString	getNewSubscriptionId ()
static long int	randomInt (long int min, long int max)
static bool	fillRandom (uint8_t *output, size_t outputSize)
static NostrString	getPublicKey (NostrString privKeyHex)
static bool	jsonParse (const NostrString *json, JsonDocument *doc)
static void	jsonStringify (JsonVariantConst source, NostrString *json)
static NostrString	toHex (const uint8_t *array, size_t arraySize)
static bool	decodeHexExact (const NostrString &input, uint8_t *output, size_t outputCapacity, size_t expectedBytes)
static bool	decodeHexExact (const NostrString &input, uint8_t *output, size_t expectedBytes)
static NostrString	hexToBase64 (NostrString hex)
static size_t	fromHex (NostrString hex, uint8_t *output, size_t outputSize)
static size_t	fromBase64 (const char *encoded, size_t encodedSize, uint8_t *output, size_t outputSize, uint8_t flags)
static bool	ecdh (NostrString privKeyHex, NostrString pubKeyHex, uint8_t *out)
static size_t	toBase64 (const uint8_t *array, size_t arraySize, char *output, size_t outputSize, uint8_t flags)
static size_t	sha256 (NostrString message, uint8_t *hash)
static size_t	sha256 (const uint8_t *message, size_t messageSize, uint8_t *hash)
static NostrString	sign (NostrString privateKeyHex, uint8_t *message, size_t messageSize)
static NostrString	sign (NostrString privateKeyHex, uint8_t *message, size_t messageSize, const uint8_t auxiliaryRandomness[32])
static bool	verify (NostrString pubKeyHex, uint8_t *messageHash, NostrString signatureHex)
static NostrString	base64ToHex (NostrString base64ToHex)
static void	init ()
static void	close ()

Static Public Attributes
static std::function< void(const NostrString &)>	logger = nullptr
static unsigned long long	subs = 0
static std::function< bool(uint8_t *, size_t)>	randomBytesProvider = nullptr
static std::function< unsigned long long()>	timeSecondsProvider = nullptr

Member Function Documentation

base64ToHex()

NostrString Utils::base64ToHex ( NostrString  base64ToHex )

static

close()

void Utils::close ( )

static

decodeHexExact() [1/2]

bool Utils::decodeHexExact ( const NostrString &  input, uint8_t *  output, size_t  expectedBytes  )

static

decodeHexExact() [2/2]

bool Utils::decodeHexExact ( const NostrString &  input, uint8_t *  output, size_t  outputCapacity, size_t  expectedBytes  )

static

ecdh()

bool Utils::ecdh ( NostrString  privKeyHex, NostrString  pubKeyHex, uint8_t *  out  )

static

fillRandom()

bool Utils::fillRandom ( uint8_t *  output, size_t  outputSize  )

static

fromBase64()

size_t Utils::fromBase64 ( const char *  encoded, size_t  encodedSize, uint8_t *  output, size_t  outputSize, uint8_t  flags  )

static

fromHex()

size_t Utils::fromHex ( NostrString  hex, uint8_t *  output, size_t  outputSize  )

static

getNewSubscriptionId()

NostrString Utils::getNewSubscriptionId ( )

static

getPublicKey()

NostrString Utils::getPublicKey ( NostrString  privKeyHex )

static

hexToBase64()

NostrString Utils::hexToBase64 ( NostrString  hex )

static

init()

void Utils::init ( )

static

jsonParse()

bool Utils::jsonParse ( const NostrString *  json, JsonDocument *  doc  )

static

jsonStringify()

void Utils::jsonStringify ( JsonVariantConst  source, NostrString *  json  )

static

log()

void Utils::log ( const NostrString &  message )

static

randomInt()

long int Utils::randomInt ( long int  min, long int  max  )

static

setLogger()

void Utils::setLogger ( std::function< void(const NostrString &)>  logger )

static

setRandomBytesProvider()

void Utils::setRandomBytesProvider ( std::function< bool(uint8_t *, size_t)>  randomBytesProvider )

static

setUnixTimeSecondsProvider()

void Utils::setUnixTimeSecondsProvider ( std::function< unsigned long long()>  timeSecondsProvider )

static

sha256() [1/2]

size_t Utils::sha256 ( const uint8_t *  message, size_t  messageSize, uint8_t *  hash  )

static

sha256() [2/2]

size_t Utils::sha256 ( NostrString  message, uint8_t *  hash  )

static

sign() [1/2]

NostrString Utils::sign ( NostrString  privateKeyHex, uint8_t *  message, size_t  messageSize  )

static

sign() [2/2]

NostrString Utils::sign ( NostrString  privateKeyHex, uint8_t *  message, size_t  messageSize, const uint8_t  auxiliaryRandomness[32]  )

static

toBase64()

size_t Utils::toBase64 ( const uint8_t *  array, size_t  arraySize, char *  output, size_t  outputSize, uint8_t  flags  )

static

toHex()

NostrString Utils::toHex ( const uint8_t *  array, size_t  arraySize  )

static

unixTimeSeconds()

long long Utils::unixTimeSeconds ( )

static

verify()

bool Utils::verify ( NostrString  pubKeyHex, uint8_t *  messageHash, NostrString  signatureHex  )

static

Field Documentation

logger

std::function< void(const NostrString &)> Utils::logger = nullptr

static

randomBytesProvider

std::function< bool(uint8_t *, size_t)> Utils::randomBytesProvider = nullptr

static

subs

unsigned long long Utils::subs = 0

static

timeSecondsProvider

std::function< unsigned long long()> Utils::timeSecondsProvider = nullptr

static

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

• src/NostrUtils.h
• src/NostrUtils.cpp