/home/ytevagd/domains/ytevagiadinh.com/public_html/wp-includes/sodium_compat/src/Core32/BLAKE2b.php
<?php
if (class_exists('ParagonIE_Sodium_Core_BLAKE2b', false)) {
return;
}
/**
* Class ParagonIE_Sodium_Core_BLAKE2b
*
* Based on the work of Devi Mandiri in devi/salt.
*/
abstract class ParagonIE_Sodium_Core32_BLAKE2b extends ParagonIE_Sodium_Core_Util
{
/**
* @var SplFixedArray
*/
public static $iv;
/**
* @var array<int, array<int, int>>
*/
public static $sigma = array(
array( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15),
array( 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3),
array( 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4),
array( 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8),
array( 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13),
array( 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9),
array( 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11),
array( 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10),
array( 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5),
array( 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0),
array( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15),
array( 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3)
);
const BLOCKBYTES = 128;
const OUTBYTES = 64;
const KEYBYTES = 64;
/**
* Turn two 32-bit integers into a fixed array representing a 64-bit integer.
*
* @internal You should not use this directly from another application
*
* @param int $high
* @param int $low
* @return ParagonIE_Sodium_Core32_Int64
* @throws SodiumException
* @throws TypeError
*/
public static function new64($high, $low)
{
return ParagonIE_Sodium_Core32_Int64::fromInts($low, $high);
}
/**
* Convert an arbitrary number into an SplFixedArray of two 32-bit integers
* that represents a 64-bit integer.
*
* @internal You should not use this directly from another application
*
* @param int $num
* @return ParagonIE_Sodium_Core32_Int64
* @throws SodiumException
* @throws TypeError
*/
protected static function to64($num)
{
list($hi, $lo) = self::numericTo64BitInteger($num);
return self::new64($hi, $lo);
}
/**
* Adds two 64-bit integers together, returning their sum as a SplFixedArray
* containing two 32-bit integers (representing a 64-bit integer).
*
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Int64 $x
* @param ParagonIE_Sodium_Core32_Int64 $y
* @return ParagonIE_Sodium_Core32_Int64
*/
protected static function add64($x, $y)
{
return $x->addInt64($y);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Int64 $x
* @param ParagonIE_Sodium_Core32_Int64 $y
* @param ParagonIE_Sodium_Core32_Int64 $z
* @return ParagonIE_Sodium_Core32_Int64
*/
public static function add364($x, $y, $z)
{
return $x->addInt64($y)->addInt64($z);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Int64 $x
* @param ParagonIE_Sodium_Core32_Int64 $y
* @return ParagonIE_Sodium_Core32_Int64
* @throws TypeError
*/
public static function xor64(ParagonIE_Sodium_Core32_Int64 $x, ParagonIE_Sodium_Core32_Int64 $y)
{
return $x->xorInt64($y);
}
/**
* @internal You should not use this directly from another application
*
* @param ParagonIE_Sodium_Core32_Int64 $x
* @param int $c
* @return ParagonIE_Sodium_Core32_Int64
* @throws SodiumException
* @throws TypeError
*/
public static function rotr64(ParagonIE_Sodium_Core32_Int64 $x, $c)
{
return $x->rotateRight($c);
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $x
* @param int $i
* @return ParagonIE_Sodium_Core32_Int64
* @throws SodiumException
* @throws TypeError
*/
public static function load64($x, $i)
{
/** @var int $l */
$l = (int) ($x[$i])
| ((int) ($x[$i+1]) << 8)
| ((int) ($x[$i+2]) << 16)
| ((int) ($x[$i+3]) << 24);
/** @var int $h */
$h = (int) ($x[$i+4])
| ((int) ($x[$i+5]) << 8)
| ((int) ($x[$i+6]) << 16)
| ((int) ($x[$i+7]) << 24);
return self::new64($h, $l);
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $x
* @param int $i
* @param ParagonIE_Sodium_Core32_Int64 $u
* @return void
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedArrayOffset
*/
public static function store64(SplFixedArray $x, $i, ParagonIE_Sodium_Core32_Int64 $u)
{
$v = clone $u;
$maxLength = $x->getSize() - 1;
for ($j = 0; $j < 8; ++$j) {
$k = 3 - ($j >> 1);
$x[$i] = $v->limbs[$k] & 0xff;
if (++$i > $maxLength) {
return;
}
$v->limbs[$k] >>= 8;
}
}
/**
* This just sets the $iv static variable.
*
* @internal You should not use this directly from another application
*
* @return void
* @throws SodiumException
* @throws TypeError
*/
public static function pseudoConstructor()
{
static $called = false;
if ($called) {
return;
}
self::$iv = new SplFixedArray(8);
self::$iv[0] = self::new64(0x6a09e667, 0xf3bcc908);
self::$iv[1] = self::new64(0xbb67ae85, 0x84caa73b);
self::$iv[2] = self::new64(0x3c6ef372, 0xfe94f82b);
self::$iv[3] = self::new64(0xa54ff53a, 0x5f1d36f1);
self::$iv[4] = self::new64(0x510e527f, 0xade682d1);
self::$iv[5] = self::new64(0x9b05688c, 0x2b3e6c1f);
self::$iv[6] = self::new64(0x1f83d9ab, 0xfb41bd6b);
self::$iv[7] = self::new64(0x5be0cd19, 0x137e2179);
$called = true;
}
/**
* Returns a fresh BLAKE2 context.
*
* @internal You should not use this directly from another application
*
* @return SplFixedArray
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedArrayOffset
* @throws SodiumException
* @throws TypeError
*/
protected static function context()
{
$ctx = new SplFixedArray(6);
$ctx[0] = new SplFixedArray(8); // h
$ctx[1] = new SplFixedArray(2); // t
$ctx[2] = new SplFixedArray(2); // f
$ctx[3] = new SplFixedArray(256); // buf
$ctx[4] = 0; // buflen
$ctx[5] = 0; // last_node (uint8_t)
for ($i = 8; $i--;) {
$ctx[0][$i] = self::$iv[$i];
}
for ($i = 256; $i--;) {
$ctx[3][$i] = 0;
}
$zero = self::new64(0, 0);
$ctx[1][0] = $zero;
$ctx[1][1] = $zero;
$ctx[2][0] = $zero;
$ctx[2][1] = $zero;
return $ctx;
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $ctx
* @param SplFixedArray $buf
* @return void
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedAssignment
*/
protected static function compress(SplFixedArray $ctx, SplFixedArray $buf)
{
$m = new SplFixedArray(16);
$v = new SplFixedArray(16);
for ($i = 16; $i--;) {
$m[$i] = self::load64($buf, $i << 3);
}
for ($i = 8; $i--;) {
$v[$i] = $ctx[0][$i];
}
$v[ 8] = self::$iv[0];
$v[ 9] = self::$iv[1];
$v[10] = self::$iv[2];
$v[11] = self::$iv[3];
$v[12] = self::xor64($ctx[1][0], self::$iv[4]);
$v[13] = self::xor64($ctx[1][1], self::$iv[5]);
$v[14] = self::xor64($ctx[2][0], self::$iv[6]);
$v[15] = self::xor64($ctx[2][1], self::$iv[7]);
for ($r = 0; $r < 12; ++$r) {
$v = self::G($r, 0, 0, 4, 8, 12, $v, $m);
$v = self::G($r, 1, 1, 5, 9, 13, $v, $m);
$v = self::G($r, 2, 2, 6, 10, 14, $v, $m);
$v = self::G($r, 3, 3, 7, 11, 15, $v, $m);
$v = self::G($r, 4, 0, 5, 10, 15, $v, $m);
$v = self::G($r, 5, 1, 6, 11, 12, $v, $m);
$v = self::G($r, 6, 2, 7, 8, 13, $v, $m);
$v = self::G($r, 7, 3, 4, 9, 14, $v, $m);
}
for ($i = 8; $i--;) {
$ctx[0][$i] = self::xor64(
$ctx[0][$i], self::xor64($v[$i], $v[$i+8])
);
}
}
/**
* @internal You should not use this directly from another application
*
* @param int $r
* @param int $i
* @param int $a
* @param int $b
* @param int $c
* @param int $d
* @param SplFixedArray $v
* @param SplFixedArray $m
* @return SplFixedArray
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedArrayOffset
*/
public static function G($r, $i, $a, $b, $c, $d, SplFixedArray $v, SplFixedArray $m)
{
$v[$a] = self::add364($v[$a], $v[$b], $m[self::$sigma[$r][$i << 1]]);
$v[$d] = self::rotr64(self::xor64($v[$d], $v[$a]), 32);
$v[$c] = self::add64($v[$c], $v[$d]);
$v[$b] = self::rotr64(self::xor64($v[$b], $v[$c]), 24);
$v[$a] = self::add364($v[$a], $v[$b], $m[self::$sigma[$r][($i << 1) + 1]]);
$v[$d] = self::rotr64(self::xor64($v[$d], $v[$a]), 16);
$v[$c] = self::add64($v[$c], $v[$d]);
$v[$b] = self::rotr64(self::xor64($v[$b], $v[$c]), 63);
return $v;
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $ctx
* @param int $inc
* @return void
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
*/
public static function increment_counter($ctx, $inc)
{
if ($inc < 0) {
throw new SodiumException('Increasing by a negative number makes no sense.');
}
$t = self::to64($inc);
# S->t is $ctx[1] in our implementation
# S->t[0] = ( uint64_t )( t >> 0 );
$ctx[1][0] = self::add64($ctx[1][0], $t);
# S->t[1] += ( S->t[0] < inc );
if (!($ctx[1][0] instanceof ParagonIE_Sodium_Core32_Int64)) {
throw new TypeError('Not an int64');
}
/** @var ParagonIE_Sodium_Core32_Int64 $c*/
$c = $ctx[1][0];
if ($c->isLessThanInt($inc)) {
$ctx[1][1] = self::add64($ctx[1][1], self::to64(1));
}
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $ctx
* @param SplFixedArray $p
* @param int $plen
* @return void
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedArrayOffset
* @psalm-suppress MixedMethodCall
* @psalm-suppress MixedOperand
*/
public static function update(SplFixedArray $ctx, SplFixedArray $p, $plen)
{
self::pseudoConstructor();
$offset = 0;
while ($plen > 0) {
$left = $ctx[4];
$fill = 256 - $left;
if ($plen > $fill) {
# memcpy( S->buf + left, in, fill ); /* Fill buffer */
for ($i = $fill; $i--;) {
$ctx[3][$i + $left] = $p[$i + $offset];
}
# S->buflen += fill;
$ctx[4] += $fill;
# blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES );
self::increment_counter($ctx, 128);
# blake2b_compress( S, S->buf ); /* Compress */
self::compress($ctx, $ctx[3]);
# memcpy( S->buf, S->buf + BLAKE2B_BLOCKBYTES, BLAKE2B_BLOCKBYTES ); /* Shift buffer left */
for ($i = 128; $i--;) {
$ctx[3][$i] = $ctx[3][$i + 128];
}
# S->buflen -= BLAKE2B_BLOCKBYTES;
$ctx[4] -= 128;
# in += fill;
$offset += $fill;
# inlen -= fill;
$plen -= $fill;
} else {
for ($i = $plen; $i--;) {
$ctx[3][$i + $left] = $p[$i + $offset];
}
$ctx[4] += $plen;
$offset += $plen;
$plen -= $plen;
}
}
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $ctx
* @param SplFixedArray $out
* @return SplFixedArray
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedArrayOffset
* @psalm-suppress MixedMethodCall
* @psalm-suppress MixedOperand
*/
public static function finish(SplFixedArray $ctx, SplFixedArray $out)
{
self::pseudoConstructor();
if ($ctx[4] > 128) {
self::increment_counter($ctx, 128);
self::compress($ctx, $ctx[3]);
$ctx[4] -= 128;
if ($ctx[4] > 128) {
throw new SodiumException('Failed to assert that buflen <= 128 bytes');
}
for ($i = $ctx[4]; $i--;) {
$ctx[3][$i] = $ctx[3][$i + 128];
}
}
self::increment_counter($ctx, $ctx[4]);
$ctx[2][0] = self::new64(0xffffffff, 0xffffffff);
for ($i = 256 - $ctx[4]; $i--;) {
/** @var int $i */
$ctx[3][$i + $ctx[4]] = 0;
}
self::compress($ctx, $ctx[3]);
$i = (int) (($out->getSize() - 1) / 8);
for (; $i >= 0; --$i) {
self::store64($out, $i << 3, $ctx[0][$i]);
}
return $out;
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray|null $key
* @param int $outlen
* @param SplFixedArray|null $salt
* @param SplFixedArray|null $personal
* @return SplFixedArray
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedAssignment
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedMethodCall
*/
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;
}
/**
* Convert a string into an SplFixedArray of integers
*
* @internal You should not use this directly from another application
*
* @param string $str
* @return SplFixedArray
* @psalm-suppress MixedArgumentTypeCoercion
*/
public static function stringToSplFixedArray($str = '')
{
$values = unpack('C*', $str);
return SplFixedArray::fromArray(array_values($values));
}
/**
* Convert an SplFixedArray of integers into a string
*
* @internal You should not use this directly from another application
*
* @param SplFixedArray $a
* @return string
*/
public static function SplFixedArrayToString(SplFixedArray $a)
{
/**
* @var array<int, string|int>
*/
$arr = $a->toArray();
$c = $a->count();
array_unshift($arr, str_repeat('C', $c));
return (string) (call_user_func_array('pack', $arr));
}
/**
* @internal You should not use this directly from another application
*
* @param SplFixedArray $ctx
* @return string
* @throws TypeError
* @psalm-suppress MixedArgument
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
* @psalm-suppress MixedMethodCall
*/
public static function contextToString(SplFixedArray $ctx)
{
$str = '';
/** @var array<int, ParagonIE_Sodium_Core32_Int64> $ctxA */
$ctxA = $ctx[0]->toArray();
# uint64_t h[8];
for ($i = 0; $i < 8; ++$i) {
if (!($ctxA[$i] instanceof ParagonIE_Sodium_Core32_Int64)) {
throw new TypeError('Not an instance of Int64');
}
/** @var ParagonIE_Sodium_Core32_Int64 $ctxAi */
$ctxAi = $ctxA[$i];
$str .= $ctxAi->toReverseString();
}
# uint64_t t[2];
# uint64_t f[2];
for ($i = 1; $i < 3; ++$i) {
/** @var array<int, ParagonIE_Sodium_Core32_Int64> $ctxA */
$ctxA = $ctx[$i]->toArray();
/** @var ParagonIE_Sodium_Core32_Int64 $ctxA1 */
$ctxA1 = $ctxA[0];
/** @var ParagonIE_Sodium_Core32_Int64 $ctxA2 */
$ctxA2 = $ctxA[1];
$str .= $ctxA1->toReverseString();
$str .= $ctxA2->toReverseString();
}
# uint8_t buf[2 * 128];
$str .= self::SplFixedArrayToString($ctx[3]);
/** @var int $ctx4 */
$ctx4 = $ctx[4];
# size_t buflen;
$str .= implode('', array(
self::intToChr($ctx4 & 0xff),
self::intToChr(($ctx4 >> 8) & 0xff),
self::intToChr(($ctx4 >> 16) & 0xff),
self::intToChr(($ctx4 >> 24) & 0xff),
"\x00\x00\x00\x00"
/*
self::intToChr(($ctx4 >> 32) & 0xff),
self::intToChr(($ctx4 >> 40) & 0xff),
self::intToChr(($ctx4 >> 48) & 0xff),
self::intToChr(($ctx4 >> 56) & 0xff)
*/
));
# uint8_t last_node;
return $str . self::intToChr($ctx[5]) . str_repeat("\x00", 23);
}
/**
* Creates an SplFixedArray containing other SplFixedArray elements, from
* a string (compatible with \Sodium\crypto_generichash_{init, update, final})
*
* @internal You should not use this directly from another application
*
* @param string $string
* @return SplFixedArray
* @throws SodiumException
* @throws TypeError
* @psalm-suppress MixedArrayAccess
* @psalm-suppress MixedArrayAssignment
*/
public static function stringToContext($string)
{
$ctx = self::context();
# uint64_t h[8];
for ($i = 0; $i < 8; ++$i) {
$ctx[0][$i] = ParagonIE_Sodium_Core32_Int64::fromReverseString(
self::substr($string, (($i << 3) + 0), 8)
);
}
# uint64_t t[2];
# uint64_t f[2];
for ($i = 1; $i < 3; ++$i) {
$ctx[$i][1] = ParagonIE_Sodium_Core32_Int64::fromReverseString(
self::substr($string, 72 + (($i - 1) << 4), 8)
);
$ctx[$i][0] = ParagonIE_Sodium_Core32_Int64::fromReverseString(
self::substr($string, 64 + (($i - 1) << 4), 8)
);
}
# uint8_t buf[2 * 128];
$ctx[3] = self::stringToSplFixedArray(self::substr($string, 96, 256));
# uint8_t buf[2 * 128];
$int = 0;
for ($i = 0; $i < 8; ++$i) {
$int |= self::chrToInt($string[352 + $i]) << ($i << 3);
}
$ctx[4] = $int;
return $ctx;
}
}
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– Bổ sung Canxi nhằm hỗ trợ phát triển chiều cao cho thanh thiếu niên trong độ tuổi phát triển chiều cao, giúp xương chắc khỏe, phòng ngừa còi xương ở trẻ em
– Chống loãng xương, giúp phục hồi xương gãy, giảm đau lưng cho người lớn, ngăn chặn các hiện tượng thoái hóa, giòn xương do thiếu canxi trong máu, giúp cơ thể khỏe mạnh
– Giảm tình trạng viêm khớp, thoái hóa khớp. Cung cấp canxi, vitamin D3 cho phụ nữ có thai và cho con bú. Tăng cường và phát triển hệ xương ở thai nhi
– Giảm tê bì chân tay, chuột rút. Kết hợp hỗ trợ điều trị thiếu canxi huyết
CAM KẾT HÀNG CHÍNH HÃNG – GIÁ CẢ HỢP LÝ – TIẾT KIỆM 5-7% – GIAO HÀNG TOÀN QUỐC.
