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BigInteger: big speedups for when OpenSSL is used

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This commit is contained in:
terrafrost 2021-01-26 23:13:40 -06:00
parent 85a844bab1
commit b49203d5b9
1 changed files with 2 additions and 4 deletions
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6
phpseclib/Math/BigInteger/Engines/OpenSSL.php
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@ -56,16 +56,14 @@ abstract class OpenSSL
new BigInteger($n),
new BigInteger($e)
);
$rsa = RSA::load($key);
//$rsa->setPublicKeyFormat('PKCS1');
$plaintext = str_pad($x->toBytes(), strlen($n->toBytes(true)) - 1, "\0", STR_PAD_LEFT);
$plaintext = str_pad($x->toBytes(), $n->getLengthInBytes(), "\0", STR_PAD_LEFT);
// this is easily prone to failure. if the modulo is a multiple of 2 or 3 or whatever it
// won't work and you'll get a "failure: error:0906D06C:PEM routines:PEM_read_bio:no start line"
// error. i suppose, for even numbers, we could do what PHP\Montgomery.php does, but then what
// about odd numbers divisible by 3, by 5, etc?
if (!openssl_public_encrypt($plaintext, $result, "$rsa", OPENSSL_NO_PADDING)) {
if (!openssl_public_encrypt($plaintext, $result, $key, OPENSSL_NO_PADDING)) {
throw new \UnexpectedValueException(openssl_error_string());
}