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EC: use the correct case up front

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This commit is contained in:
terrafrost 2021-01-07 19:35:34 -06:00
parent 7b7d254a6c
commit e14e9e92ca
1 changed files with 8 additions and 6 deletions
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14
phpseclib/Crypt/EC.php
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@ -161,13 +161,15 @@ abstract class EC extends AsymmetricKey
$privatekey = new PrivateKey;
$curveName = $curve;
$curve = '\phpseclib3\Crypt\EC\Curves\\' . $curveName;
if (!class_exists($curve)) {
if (preg_match('#(?:^curve|^ed)\d+$#', $curveName)) {
$curveName = ucfirst($curveName);
$curve = '\phpseclib3\Crypt\EC\Curves\\' . $curveName;
if (!class_exists($curve)) {
throw new UnsupportedCurveException('Named Curve of ' . $curveName . ' is not supported');
}
} elseif (substr($curveName, 0, 10) == 'brainpoolp') {
$curveName = 'brainpoolP' . substr($curveName, 10);
}
$curve = '\phpseclib3\Crypt\EC\Curves\\' . $curveName;
if (!class_exists($curve)) {
throw new UnsupportedCurveException('Named Curve of ' . $curveName . ' is not supported');
}
$reflect = new \ReflectionClass($curve);