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author | Anton Luka Šijanec <anton@sijanec.eu> | 2024-05-27 13:08:29 +0200 |
---|---|---|
committer | Anton Luka Šijanec <anton@sijanec.eu> | 2024-05-27 13:08:29 +0200 |
commit | 75160b12821f7f4299cce7f0b69c83c1502ae071 (patch) | |
tree | 27e25e4ccaef45f0c58b22831164050d1af1d4db /vendor/paragonie/sodium_compat/src/Core/SipHash.php | |
parent | prvi-commit (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | vendor/paragonie/sodium_compat/src/Core/SipHash.php | 612 |
1 files changed, 306 insertions, 306 deletions
diff --git a/vendor/paragonie/sodium_compat/src/Core/SipHash.php b/vendor/paragonie/sodium_compat/src/Core/SipHash.php index 7667527..90c3b69 100644 --- a/vendor/paragonie/sodium_compat/src/Core/SipHash.php +++ b/vendor/paragonie/sodium_compat/src/Core/SipHash.php @@ -1,306 +1,306 @@ -<?php
-
-if (class_exists('ParagonIE_Sodium_Core_SipHash', false)) {
- return;
-}
-
-/**
- * Class ParagonIE_SodiumCompat_Core_SipHash
- *
- * Only uses 32-bit arithmetic, while the original SipHash used 64-bit integers
- */
-class ParagonIE_Sodium_Core_SipHash extends ParagonIE_Sodium_Core_Util
-{
- /**
- * @internal You should not use this directly from another application
- *
- * @param int[] $v
- * @return int[]
- *
- */
- public static function sipRound(array $v)
- {
- # v0 += v1;
- list($v[0], $v[1]) = self::add(
- array($v[0], $v[1]),
- array($v[2], $v[3])
- );
-
- # v1=ROTL(v1,13);
- list($v[2], $v[3]) = self::rotl_64((int) $v[2], (int) $v[3], 13);
-
- # v1 ^= v0;
- $v[2] = (int) $v[2] ^ (int) $v[0];
- $v[3] = (int) $v[3] ^ (int) $v[1];
-
- # v0=ROTL(v0,32);
- list($v[0], $v[1]) = self::rotl_64((int) $v[0], (int) $v[1], 32);
-
- # v2 += v3;
- list($v[4], $v[5]) = self::add(
- array((int) $v[4], (int) $v[5]),
- array((int) $v[6], (int) $v[7])
- );
-
- # v3=ROTL(v3,16);
- list($v[6], $v[7]) = self::rotl_64((int) $v[6], (int) $v[7], 16);
-
- # v3 ^= v2;
- $v[6] = (int) $v[6] ^ (int) $v[4];
- $v[7] = (int) $v[7] ^ (int) $v[5];
-
- # v0 += v3;
- list($v[0], $v[1]) = self::add(
- array((int) $v[0], (int) $v[1]),
- array((int) $v[6], (int) $v[7])
- );
-
- # v3=ROTL(v3,21);
- list($v[6], $v[7]) = self::rotl_64((int) $v[6], (int) $v[7], 21);
-
- # v3 ^= v0;
- $v[6] = (int) $v[6] ^ (int) $v[0];
- $v[7] = (int) $v[7] ^ (int) $v[1];
-
- # v2 += v1;
- list($v[4], $v[5]) = self::add(
- array((int) $v[4], (int) $v[5]),
- array((int) $v[2], (int) $v[3])
- );
-
- # v1=ROTL(v1,17);
- list($v[2], $v[3]) = self::rotl_64((int) $v[2], (int) $v[3], 17);
-
- # v1 ^= v2;;
- $v[2] = (int) $v[2] ^ (int) $v[4];
- $v[3] = (int) $v[3] ^ (int) $v[5];
-
- # v2=ROTL(v2,32)
- list($v[4], $v[5]) = self::rotl_64((int) $v[4], (int) $v[5], 32);
-
- return $v;
- }
-
- /**
- * Add two 32 bit integers representing a 64-bit integer.
- *
- * @internal You should not use this directly from another application
- *
- * @param int[] $a
- * @param int[] $b
- * @return array<int, mixed>
- */
- public static function add(array $a, array $b)
- {
- /** @var int $x1 */
- $x1 = $a[1] + $b[1];
- /** @var int $c */
- $c = $x1 >> 32; // Carry if ($a + $b) > 0xffffffff
- /** @var int $x0 */
- $x0 = $a[0] + $b[0] + $c;
- return array(
- $x0 & 0xffffffff,
- $x1 & 0xffffffff
- );
- }
-
- /**
- * @internal You should not use this directly from another application
- *
- * @param int $int0
- * @param int $int1
- * @param int $c
- * @return array<int, mixed>
- */
- public static function rotl_64($int0, $int1, $c)
- {
- $int0 &= 0xffffffff;
- $int1 &= 0xffffffff;
- $c &= 63;
- if ($c === 32) {
- return array($int1, $int0);
- }
- if ($c > 31) {
- $tmp = $int1;
- $int1 = $int0;
- $int0 = $tmp;
- $c &= 31;
- }
- if ($c === 0) {
- return array($int0, $int1);
- }
- return array(
- 0xffffffff & (
- ($int0 << $c)
- |
- ($int1 >> (32 - $c))
- ),
- 0xffffffff & (
- ($int1 << $c)
- |
- ($int0 >> (32 - $c))
- ),
- );
- }
-
- /**
- * Implements Siphash-2-4 using only 32-bit numbers.
- *
- * When we split an int into two, the higher bits go to the lower index.
- * e.g. 0xDEADBEEFAB10C92D becomes [
- * 0 => 0xDEADBEEF,
- * 1 => 0xAB10C92D
- * ].
- *
- * @internal You should not use this directly from another application
- *
- * @param string $in
- * @param string $key
- * @return string
- * @throws SodiumException
- * @throws TypeError
- */
- public static function sipHash24($in, $key)
- {
- $inlen = self::strlen($in);
-
- # /* "somepseudorandomlygeneratedbytes" */
- # u64 v0 = 0x736f6d6570736575ULL;
- # u64 v1 = 0x646f72616e646f6dULL;
- # u64 v2 = 0x6c7967656e657261ULL;
- # u64 v3 = 0x7465646279746573ULL;
- $v = array(
- 0x736f6d65, // 0
- 0x70736575, // 1
- 0x646f7261, // 2
- 0x6e646f6d, // 3
- 0x6c796765, // 4
- 0x6e657261, // 5
- 0x74656462, // 6
- 0x79746573 // 7
- );
- // v0 => $v[0], $v[1]
- // v1 => $v[2], $v[3]
- // v2 => $v[4], $v[5]
- // v3 => $v[6], $v[7]
-
- # u64 k0 = LOAD64_LE( k );
- # u64 k1 = LOAD64_LE( k + 8 );
- $k = array(
- self::load_4(self::substr($key, 4, 4)),
- self::load_4(self::substr($key, 0, 4)),
- self::load_4(self::substr($key, 12, 4)),
- self::load_4(self::substr($key, 8, 4))
- );
- // k0 => $k[0], $k[1]
- // k1 => $k[2], $k[3]
-
- # b = ( ( u64 )inlen ) << 56;
- $b = array(
- $inlen << 24,
- 0
- );
- // See docblock for why the 0th index gets the higher bits.
-
- # v3 ^= k1;
- $v[6] ^= $k[2];
- $v[7] ^= $k[3];
- # v2 ^= k0;
- $v[4] ^= $k[0];
- $v[5] ^= $k[1];
- # v1 ^= k1;
- $v[2] ^= $k[2];
- $v[3] ^= $k[3];
- # v0 ^= k0;
- $v[0] ^= $k[0];
- $v[1] ^= $k[1];
-
- $left = $inlen;
- # for ( ; in != end; in += 8 )
- while ($left >= 8) {
- # m = LOAD64_LE( in );
- $m = array(
- self::load_4(self::substr($in, 4, 4)),
- self::load_4(self::substr($in, 0, 4))
- );
-
- # v3 ^= m;
- $v[6] ^= $m[0];
- $v[7] ^= $m[1];
-
- # SIPROUND;
- # SIPROUND;
- $v = self::sipRound($v);
- $v = self::sipRound($v);
-
- # v0 ^= m;
- $v[0] ^= $m[0];
- $v[1] ^= $m[1];
-
- $in = self::substr($in, 8);
- $left -= 8;
- }
-
- # switch( left )
- # {
- # case 7: b |= ( ( u64 )in[ 6] ) << 48;
- # case 6: b |= ( ( u64 )in[ 5] ) << 40;
- # case 5: b |= ( ( u64 )in[ 4] ) << 32;
- # case 4: b |= ( ( u64 )in[ 3] ) << 24;
- # case 3: b |= ( ( u64 )in[ 2] ) << 16;
- # case 2: b |= ( ( u64 )in[ 1] ) << 8;
- # case 1: b |= ( ( u64 )in[ 0] ); break;
- # case 0: break;
- # }
- switch ($left) {
- case 7:
- $b[0] |= self::chrToInt($in[6]) << 16;
- case 6:
- $b[0] |= self::chrToInt($in[5]) << 8;
- case 5:
- $b[0] |= self::chrToInt($in[4]);
- case 4:
- $b[1] |= self::chrToInt($in[3]) << 24;
- case 3:
- $b[1] |= self::chrToInt($in[2]) << 16;
- case 2:
- $b[1] |= self::chrToInt($in[1]) << 8;
- case 1:
- $b[1] |= self::chrToInt($in[0]);
- case 0:
- break;
- }
- // See docblock for why the 0th index gets the higher bits.
-
- # v3 ^= b;
- $v[6] ^= $b[0];
- $v[7] ^= $b[1];
-
- # SIPROUND;
- # SIPROUND;
- $v = self::sipRound($v);
- $v = self::sipRound($v);
-
- # v0 ^= b;
- $v[0] ^= $b[0];
- $v[1] ^= $b[1];
-
- // Flip the lower 8 bits of v2 which is ($v[4], $v[5]) in our implementation
- # v2 ^= 0xff;
- $v[5] ^= 0xff;
-
- # SIPROUND;
- # SIPROUND;
- # SIPROUND;
- # SIPROUND;
- $v = self::sipRound($v);
- $v = self::sipRound($v);
- $v = self::sipRound($v);
- $v = self::sipRound($v);
-
- # b = v0 ^ v1 ^ v2 ^ v3;
- # STORE64_LE( out, b );
- return self::store32_le($v[1] ^ $v[3] ^ $v[5] ^ $v[7]) .
- self::store32_le($v[0] ^ $v[2] ^ $v[4] ^ $v[6]);
- }
-}
+<?php + +if (class_exists('ParagonIE_Sodium_Core_SipHash', false)) { + return; +} + +/** + * Class ParagonIE_SodiumCompat_Core_SipHash + * + * Only uses 32-bit arithmetic, while the original SipHash used 64-bit integers + */ +class ParagonIE_Sodium_Core_SipHash extends ParagonIE_Sodium_Core_Util +{ + /** + * @internal You should not use this directly from another application + * + * @param int[] $v + * @return int[] + * + */ + public static function sipRound(array $v) + { + # v0 += v1; + list($v[0], $v[1]) = self::add( + array($v[0], $v[1]), + array($v[2], $v[3]) + ); + + # v1=ROTL(v1,13); + list($v[2], $v[3]) = self::rotl_64((int) $v[2], (int) $v[3], 13); + + # v1 ^= v0; + $v[2] = (int) $v[2] ^ (int) $v[0]; + $v[3] = (int) $v[3] ^ (int) $v[1]; + + # v0=ROTL(v0,32); + list($v[0], $v[1]) = self::rotl_64((int) $v[0], (int) $v[1], 32); + + # v2 += v3; + list($v[4], $v[5]) = self::add( + array((int) $v[4], (int) $v[5]), + array((int) $v[6], (int) $v[7]) + ); + + # v3=ROTL(v3,16); + list($v[6], $v[7]) = self::rotl_64((int) $v[6], (int) $v[7], 16); + + # v3 ^= v2; + $v[6] = (int) $v[6] ^ (int) $v[4]; + $v[7] = (int) $v[7] ^ (int) $v[5]; + + # v0 += v3; + list($v[0], $v[1]) = self::add( + array((int) $v[0], (int) $v[1]), + array((int) $v[6], (int) $v[7]) + ); + + # v3=ROTL(v3,21); + list($v[6], $v[7]) = self::rotl_64((int) $v[6], (int) $v[7], 21); + + # v3 ^= v0; + $v[6] = (int) $v[6] ^ (int) $v[0]; + $v[7] = (int) $v[7] ^ (int) $v[1]; + + # v2 += v1; + list($v[4], $v[5]) = self::add( + array((int) $v[4], (int) $v[5]), + array((int) $v[2], (int) $v[3]) + ); + + # v1=ROTL(v1,17); + list($v[2], $v[3]) = self::rotl_64((int) $v[2], (int) $v[3], 17); + + # v1 ^= v2;; + $v[2] = (int) $v[2] ^ (int) $v[4]; + $v[3] = (int) $v[3] ^ (int) $v[5]; + + # v2=ROTL(v2,32) + list($v[4], $v[5]) = self::rotl_64((int) $v[4], (int) $v[5], 32); + + return $v; + } + + /** + * Add two 32 bit integers representing a 64-bit integer. + * + * @internal You should not use this directly from another application + * + * @param int[] $a + * @param int[] $b + * @return array<int, mixed> + */ + public static function add(array $a, array $b) + { + /** @var int $x1 */ + $x1 = $a[1] + $b[1]; + /** @var int $c */ + $c = $x1 >> 32; // Carry if ($a + $b) > 0xffffffff + /** @var int $x0 */ + $x0 = $a[0] + $b[0] + $c; + return array( + $x0 & 0xffffffff, + $x1 & 0xffffffff + ); + } + + /** + * @internal You should not use this directly from another application + * + * @param int $int0 + * @param int $int1 + * @param int $c + * @return array<int, mixed> + */ + public static function rotl_64($int0, $int1, $c) + { + $int0 &= 0xffffffff; + $int1 &= 0xffffffff; + $c &= 63; + if ($c === 32) { + return array($int1, $int0); + } + if ($c > 31) { + $tmp = $int1; + $int1 = $int0; + $int0 = $tmp; + $c &= 31; + } + if ($c === 0) { + return array($int0, $int1); + } + return array( + 0xffffffff & ( + ($int0 << $c) + | + ($int1 >> (32 - $c)) + ), + 0xffffffff & ( + ($int1 << $c) + | + ($int0 >> (32 - $c)) + ), + ); + } + + /** + * Implements Siphash-2-4 using only 32-bit numbers. + * + * When we split an int into two, the higher bits go to the lower index. + * e.g. 0xDEADBEEFAB10C92D becomes [ + * 0 => 0xDEADBEEF, + * 1 => 0xAB10C92D + * ]. + * + * @internal You should not use this directly from another application + * + * @param string $in + * @param string $key + * @return string + * @throws SodiumException + * @throws TypeError + */ + public static function sipHash24($in, $key) + { + $inlen = self::strlen($in); + + # /* "somepseudorandomlygeneratedbytes" */ + # u64 v0 = 0x736f6d6570736575ULL; + # u64 v1 = 0x646f72616e646f6dULL; + # u64 v2 = 0x6c7967656e657261ULL; + # u64 v3 = 0x7465646279746573ULL; + $v = array( + 0x736f6d65, // 0 + 0x70736575, // 1 + 0x646f7261, // 2 + 0x6e646f6d, // 3 + 0x6c796765, // 4 + 0x6e657261, // 5 + 0x74656462, // 6 + 0x79746573 // 7 + ); + // v0 => $v[0], $v[1] + // v1 => $v[2], $v[3] + // v2 => $v[4], $v[5] + // v3 => $v[6], $v[7] + + # u64 k0 = LOAD64_LE( k ); + # u64 k1 = LOAD64_LE( k + 8 ); + $k = array( + self::load_4(self::substr($key, 4, 4)), + self::load_4(self::substr($key, 0, 4)), + self::load_4(self::substr($key, 12, 4)), + self::load_4(self::substr($key, 8, 4)) + ); + // k0 => $k[0], $k[1] + // k1 => $k[2], $k[3] + + # b = ( ( u64 )inlen ) << 56; + $b = array( + $inlen << 24, + 0 + ); + // See docblock for why the 0th index gets the higher bits. + + # v3 ^= k1; + $v[6] ^= $k[2]; + $v[7] ^= $k[3]; + # v2 ^= k0; + $v[4] ^= $k[0]; + $v[5] ^= $k[1]; + # v1 ^= k1; + $v[2] ^= $k[2]; + $v[3] ^= $k[3]; + # v0 ^= k0; + $v[0] ^= $k[0]; + $v[1] ^= $k[1]; + + $left = $inlen; + # for ( ; in != end; in += 8 ) + while ($left >= 8) { + # m = LOAD64_LE( in ); + $m = array( + self::load_4(self::substr($in, 4, 4)), + self::load_4(self::substr($in, 0, 4)) + ); + + # v3 ^= m; + $v[6] ^= $m[0]; + $v[7] ^= $m[1]; + + # SIPROUND; + # SIPROUND; + $v = self::sipRound($v); + $v = self::sipRound($v); + + # v0 ^= m; + $v[0] ^= $m[0]; + $v[1] ^= $m[1]; + + $in = self::substr($in, 8); + $left -= 8; + } + + # switch( left ) + # { + # case 7: b |= ( ( u64 )in[ 6] ) << 48; + # case 6: b |= ( ( u64 )in[ 5] ) << 40; + # case 5: b |= ( ( u64 )in[ 4] ) << 32; + # case 4: b |= ( ( u64 )in[ 3] ) << 24; + # case 3: b |= ( ( u64 )in[ 2] ) << 16; + # case 2: b |= ( ( u64 )in[ 1] ) << 8; + # case 1: b |= ( ( u64 )in[ 0] ); break; + # case 0: break; + # } + switch ($left) { + case 7: + $b[0] |= self::chrToInt($in[6]) << 16; + case 6: + $b[0] |= self::chrToInt($in[5]) << 8; + case 5: + $b[0] |= self::chrToInt($in[4]); + case 4: + $b[1] |= self::chrToInt($in[3]) << 24; + case 3: + $b[1] |= self::chrToInt($in[2]) << 16; + case 2: + $b[1] |= self::chrToInt($in[1]) << 8; + case 1: + $b[1] |= self::chrToInt($in[0]); + case 0: + break; + } + // See docblock for why the 0th index gets the higher bits. + + # v3 ^= b; + $v[6] ^= $b[0]; + $v[7] ^= $b[1]; + + # SIPROUND; + # SIPROUND; + $v = self::sipRound($v); + $v = self::sipRound($v); + + # v0 ^= b; + $v[0] ^= $b[0]; + $v[1] ^= $b[1]; + + // Flip the lower 8 bits of v2 which is ($v[4], $v[5]) in our implementation + # v2 ^= 0xff; + $v[5] ^= 0xff; + + # SIPROUND; + # SIPROUND; + # SIPROUND; + # SIPROUND; + $v = self::sipRound($v); + $v = self::sipRound($v); + $v = self::sipRound($v); + $v = self::sipRound($v); + + # b = v0 ^ v1 ^ v2 ^ v3; + # STORE64_LE( out, b ); + return self::store32_le($v[1] ^ $v[3] ^ $v[5] ^ $v[7]) . + self::store32_le($v[0] ^ $v[2] ^ $v[4] ^ $v[6]); + } +} |