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BigInteger/GMP: use gmp_import / gmp_export

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This commit is contained in:
terrafrost 2017-11-05 12:33:22 -06:00
parent 5801806d23
commit 6f6b93b012
2 changed files with 3 additions and 5 deletions
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2
composer.json
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@ -53,7 +53,7 @@
"require": {
"paragonie/constant_time_encoding": "^1",
"paragonie/random_compat": "^1.4|^2.0",
"php": ">=5.6"
"php": ">=5.6.1"
},
"require-dev": {
"phing/phing": "~2.7",

6
phpseclib/Math/BigInteger/Engines/GMP.php
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@ -137,7 +137,7 @@ class GMP extends Engine
switch (abs($base)) {
case 256:
$sign = $this->is_negative ? '-' : '';
$this->value = gmp_init($sign . '0x' . Hex::encode($this->value));
$this->value = gmp_import($this->value);
break;
case 16:
$temp = $this->is_negative ? '-0x' . $this->value : '0x' . $this->value;
@ -174,9 +174,7 @@ class GMP extends Engine
return $this->precision > 0 ? str_repeat(chr(0), ($this->precision + 1) >> 3) : '';
}
$temp = gmp_strval(gmp_abs($this->value), 16);
$temp = (strlen($temp) & 1) ? '0' . $temp : $temp;
$temp = Hex::decode($temp);
$temp = gmp_export($this->value);
return $this->precision > 0 ?
substr(str_pad($temp, $this->precision >> 3, chr(0), STR_PAD_LEFT), -($this->precision >> 3)) :