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author | Anton Luka Šijanec <anton@sijanec.eu> | 2024-05-27 13:08:29 +0200 |
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committer | Anton Luka Šijanec <anton@sijanec.eu> | 2024-05-27 13:08:29 +0200 |
commit | 75160b12821f7f4299cce7f0b69c83c1502ae071 (patch) | |
tree | 27e25e4ccaef45f0c58b22831164050d1af1d4db /vendor/paragonie/sodium_compat/src/Core32/Curve25519.php | |
parent | prvi-commit (diff) | |
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Diffstat (limited to 'vendor/paragonie/sodium_compat/src/Core32/Curve25519.php')
-rw-r--r-- | vendor/paragonie/sodium_compat/src/Core32/Curve25519.php | 57 |
1 files changed, 11 insertions, 46 deletions
diff --git a/vendor/paragonie/sodium_compat/src/Core32/Curve25519.php b/vendor/paragonie/sodium_compat/src/Core32/Curve25519.php index d6d700e..aafffcd 100644 --- a/vendor/paragonie/sodium_compat/src/Core32/Curve25519.php +++ b/vendor/paragonie/sodium_compat/src/Core32/Curve25519.php @@ -325,25 +325,15 @@ abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core3 $carry9 = $f[9]->shiftRight(25); $f[9] = $f[9]->subInt64($carry9->shiftLeft(25)); - /** @var int $h0 */ $h0 = $f[0]->toInt32()->toInt(); - /** @var int $h1 */ $h1 = $f[1]->toInt32()->toInt(); - /** @var int $h2 */ $h2 = $f[2]->toInt32()->toInt(); - /** @var int $h3 */ $h3 = $f[3]->toInt32()->toInt(); - /** @var int $h4 */ $h4 = $f[4]->toInt32()->toInt(); - /** @var int $h5 */ $h5 = $f[5]->toInt32()->toInt(); - /** @var int $h6 */ $h6 = $f[6]->toInt32()->toInt(); - /** @var int $h7 */ $h7 = $f[7]->toInt32()->toInt(); - /** @var int $h8 */ $h8 = $f[8]->toInt32()->toInt(); - /** @var int $h9 */ $h9 = $f[9]->toInt32()->toInt(); /** @@ -418,7 +408,6 @@ abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core3 if ($zero === null) { $zero = str_repeat("\x00", 32); } - /** @var string $str */ $str = self::fe_tobytes($f); /** @var string $zero */ return !self::verify_32($str, $zero); @@ -497,15 +486,10 @@ abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core3 $g7_19 = $g7->mulInt(19, 5); $g8_19 = $g8->mulInt(19, 5); $g9_19 = $g9->mulInt(19, 5); - /** @var ParagonIE_Sodium_Core32_Int64 $f1_2 */ $f1_2 = $f1->shiftLeft(1); - /** @var ParagonIE_Sodium_Core32_Int64 $f3_2 */ $f3_2 = $f3->shiftLeft(1); - /** @var ParagonIE_Sodium_Core32_Int64 $f5_2 */ $f5_2 = $f5->shiftLeft(1); - /** @var ParagonIE_Sodium_Core32_Int64 $f7_2 */ $f7_2 = $f7->shiftLeft(1); - /** @var ParagonIE_Sodium_Core32_Int64 $f9_2 */ $f9_2 = $f9->shiftLeft(1); $f0g0 = $f0->mulInt64($g0, 27); $f0g1 = $f0->mulInt64($g1, 27); @@ -775,28 +759,17 @@ abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core3 */ public static function fe_sq(ParagonIE_Sodium_Core32_Curve25519_Fe $f) { - /** @var ParagonIE_Sodium_Core32_Int64 $f0 */ $f0 = $f[0]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f1 */ $f1 = $f[1]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f2 */ $f2 = $f[2]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f3 */ $f3 = $f[3]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f4 */ $f4 = $f[4]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f5 */ $f5 = $f[5]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f6 */ $f6 = $f[6]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f7 */ $f7 = $f[7]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f8 */ $f8 = $f[8]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f9 */ $f9 = $f[9]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f0_2 */ $f0_2 = $f0->shiftLeft(1); $f1_2 = $f1->shiftLeft(1); $f2_2 = $f2->shiftLeft(1); @@ -810,7 +783,7 @@ abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core3 $f7_38 = $f7->mulInt(38, 6); $f8_19 = $f8->mulInt(19, 5); $f9_38 = $f9->mulInt(38, 6); - /** @var ParagonIE_Sodium_Core32_Int64 $f0f0*/ + $f0f0 = $f0->mulInt64($f0, 28); $f0f1_2 = $f0_2->mulInt64($f1, 28); $f0f2_2 = $f0_2->mulInt64($f2, 28); @@ -979,25 +952,15 @@ abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core3 */ public static function fe_sq2(ParagonIE_Sodium_Core32_Curve25519_Fe $f) { - /** @var ParagonIE_Sodium_Core32_Int64 $f0 */ $f0 = $f[0]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f1 */ $f1 = $f[1]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f2 */ $f2 = $f[2]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f3 */ $f3 = $f[3]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f4 */ $f4 = $f[4]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f5 */ $f5 = $f[5]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f6 */ $f6 = $f[6]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f7 */ $f7 = $f[7]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f8 */ $f8 = $f[8]->toInt64(); - /** @var ParagonIE_Sodium_Core32_Int64 $f9 */ $f9 = $f[9]->toInt64(); $f0_2 = $f0->shiftLeft(1); @@ -1479,7 +1442,6 @@ abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core3 { static $d = null; if (!$d) { - /** @var ParagonIE_Sodium_Core32_Curve25519_Fe $d */ $d = ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray( array( ParagonIE_Sodium_Core32_Int32::fromInt(self::$d[0]), @@ -1495,6 +1457,7 @@ abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core3 ) ); } + /** @var ParagonIE_Sodium_Core32_Curve25519_Fe $d */ # fe_frombytes(h->Y,s); # fe_1(h->Z); @@ -1833,7 +1796,14 @@ abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core3 */ public static function equal($b, $c) { - return (int) ((($b ^ $c) - 1 & 0xffffffff) >> 31); + $b0 = $b & 0xffff; + $b1 = ($b >> 16) & 0xffff; + $c0 = $c & 0xffff; + $c1 = ($c >> 16) & 0xffff; + + $d0 = (($b0 ^ $c0) - 1) >> 31; + $d1 = (($b1 ^ $c1) - 1) >> 31; + return ($d0 & $d1) & 1; } /** @@ -1850,7 +1820,6 @@ abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core3 return $char < 0 ? 1 : 0; } /** @var string $char */ - /** @var int $x */ $x = self::chrToInt(self::substr($char, 0, 1)); return (int) ($x >> 31); } @@ -1956,7 +1925,6 @@ abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core3 } $bnegative = self::negative($b); - /** @var int $babs */ $babs = $b - (((-$bnegative) & $b) << 1); $t = self::ge_precomp_0(); @@ -1964,7 +1932,7 @@ abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core3 $t = self::cmov( $t, $base[$pos][$i], - self::equal($babs, $i + 1) + -self::equal($babs, $i + 1) ); } $minusT = new ParagonIE_Sodium_Core32_Curve25519_Ge_Precomp( @@ -2230,9 +2198,7 @@ abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core3 $carry = 0; for ($i = 0; $i < 63; ++$i) { $e[$i] += $carry; - /** @var int $carry */ $carry = $e[$i] + 8; - /** @var int $carry */ $carry >>= 4; $e[$i] -= $carry << 4; } @@ -3140,7 +3106,6 @@ abstract class ParagonIE_Sodium_Core32_Curve25519 extends ParagonIE_Sodium_Core3 */ public static function ge_mul_l(ParagonIE_Sodium_Core32_Curve25519_Ge_P3 $A) { - /** @var array<int, int> $aslide */ $aslide = array( 13, 0, 0, 0, 0, -1, 0, 0, 0, 0, -11, 0, 0, 0, 0, 0, 0, -5, 0, 0, 0, 0, 0, 0, -3, 0, 0, 0, 0, -13, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 3, 0, |