ParagonIE_Sodium_Core_BLAKE2b::init() public WP 1.0
{} Это метод класса: ParagonIE_Sodium_Core_BLAKE2b{}
Хуков нет.
Возвращает
SplFixedArray.
Использование
$result = ParagonIE_Sodium_Core_BLAKE2b::init(;
Код ParagonIE_Sodium_Core_BLAKE2b::init() ParagonIE Sodium Core BLAKE2b::init WP 5.6.2
public static function init(
$key = null,
$outlen = 64,
$salt = null,
$personal = null
) {
self::pseudoConstructor();
$klen = 0;
if ($key !== null) {
if (count($key) > 64) {
throw new SodiumException('Invalid key size');
}
$klen = count($key);
}
if ($outlen > 64) {
throw new SodiumException('Invalid output size');
}
$ctx = self::context();
$p = new SplFixedArray(64);
// Zero our param buffer...
for ($i = 64; --$i;) {
$p[$i] = 0;
}
$p[0] = $outlen; // digest_length
$p[1] = $klen; // key_length
$p[2] = 1; // fanout
$p[3] = 1; // depth
if ($salt instanceof SplFixedArray) {
// salt: [32] through [47]
for ($i = 0; $i < 16; ++$i) {
$p[32 + $i] = (int) $salt[$i];
}
}
if ($personal instanceof SplFixedArray) {
// personal: [48] through [63]
for ($i = 0; $i < 16; ++$i) {
$p[48 + $i] = (int) $personal[$i];
}
}
$ctx[0][0] = self::xor64(
$ctx[0][0],
self::load64($p, 0)
);
if ($salt instanceof SplFixedArray || $personal instanceof SplFixedArray) {
// We need to do what blake2b_init_param() does:
for ($i = 1; $i < 8; ++$i) {
$ctx[0][$i] = self::xor64(
$ctx[0][$i],
self::load64($p, $i << 3)
);
}
}
if ($klen > 0 && $key instanceof SplFixedArray) {
$block = new SplFixedArray(128);
for ($i = 128; $i--;) {
$block[$i] = 0;
}
for ($i = $klen; $i--;) {
$block[$i] = $key[$i];
}
self::update($ctx, $block, 128);
$ctx[4] = 128;
}
return $ctx;
}