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RSA: add enableBlinding() / disableBlinding() static methods

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This commit is contained in:
terrafrost 2017-06-26 23:19:30 -05:00
parent 1630a6710d
commit 819a165246
1 changed files with 29 additions and 1 deletions
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30
phpseclib/Crypt/RSA.php
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@ -249,6 +249,14 @@ class RSA extends AsymmetricKey
*/ */
private static $smallestPrime = 4096; private static $smallestPrime = 4096;
/**
* Enable Blinding?
*
* @var bool
* @access private
*/
private static $enableBlinding = true;
/** /**
* The constructor * The constructor
* *
@ -885,7 +893,7 @@ class RSA extends AsymmetricKey
$num_primes = count($this->primes); $num_primes = count($this->primes);
if (defined('CRYPT_RSA_DISABLE_BLINDING')) { if (!static::$enableBlinding) {
$m_i = [ $m_i = [
1 => $x->modPow($this->exponents[1], $this->primes[1]), 1 => $x->modPow($this->exponents[1], $this->primes[1]),
2 => $x->modPow($this->exponents[2], $this->primes[2]) 2 => $x->modPow($this->exponents[2], $this->primes[2])
@ -943,6 +951,26 @@ class RSA extends AsymmetricKey
return $m; return $m;
} }
/**
* Enable RSA Blinding
*
* @access public
*/
public static function enableBlinding()
{
static::$enableBlinding = true;
}
/**
* Disable RSA Blinding
*
* @access public
*/
public static function disableBlinding()
{
static::$enableBlinding = false;
}
/** /**
* Performs RSA Blinding * Performs RSA Blinding
* *