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BigInteger: make select methods static, add type hinting, etc

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This commit is contained in:
terrafrost 2015-12-27 06:13:57 -06:00
parent 94fdbba2aa
commit a0d21b6321
4 changed files with 188 additions and 234 deletions
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8
phpseclib/Crypt/RSA.php
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@ -525,8 +525,6 @@ class RSA
$finalMax = $max; $finalMax = $max;
extract(self::_generateMinMax($temp)); extract(self::_generateMinMax($temp));
$generator = new BigInteger();
$n = self::$one->copy(); $n = self::$one->copy();
if (!empty($partial)) { if (!empty($partial)) {
extract(unserialize($partial)); extract(unserialize($partial));
@ -565,9 +563,9 @@ class RSA
if (!$temp->equals(self::$zero)) { if (!$temp->equals(self::$zero)) {
$min = $min->add(self::$one); // ie. ceil() $min = $min->add(self::$one); // ie. ceil()
} }
$primes[$i] = $generator->randomPrime($min, $finalMax, $timeout); $primes[$i] = BigInteger::randomPrime($min, $finalMax, $timeout);
} else { } else {
$primes[$i] = $generator->randomPrime($min, $max, $timeout); $primes[$i] = BigInteger::randomPrime($min, $max, $timeout);
} }
if ($primes[$i] === false) { // if we've reached the timeout if ($primes[$i] === false) { // if we've reached the timeout
@ -1383,7 +1381,7 @@ class RSA
} }
} }
$r = self::$one->random(self::$one, $smallest->subtract(self::$one)); $r = BigInteger::random(self::$one, $smallest->subtract(self::$one));
$m_i = array( $m_i = array(
1 => $this->_blind($x, $r, 1), 1 => $this->_blind($x, $r, 1),

390
phpseclib/Math/BigInteger.php
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File diff suppressed because it is too large Load Diff

2
phpseclib/Net/SSH2.php
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@ -1495,7 +1495,7 @@ class SSH2
$max = $one->bitwise_leftShift(16 * $keyLength); // 2 * 8 * $keyLength $max = $one->bitwise_leftShift(16 * $keyLength); // 2 * 8 * $keyLength
$max = $max->subtract($one); $max = $max->subtract($one);
$x = $one->random($one, $max); $x = BigInteger::random($one, $max);
$e = $g->modPow($x, $prime); $e = $g->modPow($x, $prime);
$eBytes = $e->toBytes(true); $eBytes = $e->toBytes(true);

22
tests/Unit/Math/BigInteger/TestCase.php
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@ -268,29 +268,13 @@ abstract class Unit_Math_BigInteger_TestCase extends PhpseclibTestCase
$min = $this->getInstance(0); $min = $this->getInstance(0);
$max = $this->getInstance('18446744073709551616'); $max = $this->getInstance('18446744073709551616');
$rand1 = $min->random($min, $max); $rand1 = \phpseclib\Math\BigInteger::random($min, $max);
// technically $rand1 can equal $min but with the $min and $max we've // technically $rand1 can equal $min but with the $min and $max we've
// chosen it's just not that likely // chosen it's just not that likely
$this->assertTrue($rand1->compare($min) > 0); $this->assertTrue($rand1->compare($min) > 0);
$this->assertTrue($rand1->compare($max) < 0); $this->assertTrue($rand1->compare($max) < 0);
} }
public function testRandomOneArgument()
{
$min = $this->getInstance(0);
$max = $this->getInstance('18446744073709551616');
$rand1 = $min->random($max);
$this->assertTrue($rand1->compare($min) > 0);
$this->assertTrue($rand1->compare($max) < 0);
$rand2 = $max->random($min);
$this->assertTrue($rand2->compare($min) > 0);
$this->assertTrue($rand2->compare($max) < 0);
$this->assertFalse($rand1->equals($rand2));
}
/** /**
* @group github279 * @group github279
*/ */
@ -326,8 +310,8 @@ abstract class Unit_Math_BigInteger_TestCase extends PhpseclibTestCase
Code for generation of $alicePrivate and $bobPrivate. Code for generation of $alicePrivate and $bobPrivate.
$one = $this->getInstance(1); $one = $this->getInstance(1);
$max = $one->bitwise_leftShift(512)->subtract($one); $max = $one->bitwise_leftShift(512)->subtract($one);
$alicePrivate = $one->random($one, $max); $alicePrivate = \phpseclib\Math\BigInteger::random($one, $max);
$bobPrivate = $one->random($one, $max); $bobPrivate = \phpseclib\Math\BigInteger::random($one, $max);
var_dump($alicePrivate->toHex(), $bobPrivate->toHex()); var_dump($alicePrivate->toHex(), $bobPrivate->toHex());
*/ */