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Support PECL xxtea

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This commit is contained in:
djmaze 2020-03-19 23:11:04 +01:00
parent 3948f73fb1
commit 8fe8369b2a
3 changed files with 77 additions and 68 deletions
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53
rainloop/v/0.0.0/app/libraries/MailSo/Base/Crypt.php
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@ -18,12 +18,35 @@ namespace MailSo\Base;
class Crypt
{
public static function XxteaEncrypt(string $sString, string $sKey) : string
public static function Encrypt(string $sString, string $sKey, string $sCipher = '') : string
{
if (0 === \strlen($sString))
{
if (0 === \strlen($sString)) {
return '';
}
if ($sCipher && \is_callable('openssl_encrypt')) {
$iv = str_pad('', openssl_cipher_iv_length($sCipher), sha1($sKey));
return openssl_encrypt($sString, $sCipher, $sKey, OPENSSL_RAW_DATA, $iv);
}
return static::XxteaEncrypt($sString, $sKey);
}
public static function Decrypt(string $sString, string $sKey, string $sCipher = '') : string
{
if (0 === \strlen($sString)) {
return '';
}
if ($sCipher && \is_callable('openssl_encrypt')) {
$iv = str_pad('', openssl_cipher_iv_length($sCipher), sha1($sKey));
return openssl_decrypt($sString, $sCipher, $sKey, OPENSSL_RAW_DATA, $iv);
}
return static::XxteaDecrypt($sString, $sKey);
}
private static function XxteaEncrypt(string $sString, string $sKey) : string
{
if (\is_callable('xxtea_encrypt')) {
return xxtea_encrypt($sString, $sKey);
}
$aV = self::str2long($sString, true);
$aK = self::str2long($sKey, false);
@ -61,14 +84,13 @@ class Crypt
return self::long2str($aV, false);
}
public static function XxteaDecrypt(string $sEncriptedString, string $sKey) : string
private static function XxteaDecrypt(string $sEncryptedString, string $sKey) : string
{
if (0 === \strlen($sEncriptedString))
{
return '';
if (\is_callable('xxtea_decrypt')) {
return xxtea_decrypt($sString, $sKey);
}
$aV = self::str2long($sEncriptedString, false);
$aV = self::str2long($sEncryptedString, false);
$aK = self::str2long($sKey, false);
if (\count($aK) < 4)
@ -128,10 +150,7 @@ class Crypt
{
return \substr(\join('', $aS), 0, $iN);
}
else
{
return \join('', $aS);
}
return \join('', $aS);
}
private static function str2long(string $sS, string $sW) : array
@ -147,14 +166,6 @@ class Crypt
private static function int32(int $iN) : int
{
while ($iN >= 2147483648)
{
$iN -= 4294967296;
}
while ($iN <= -2147483649)
{
$iN += 4294967296;
}
return (int) $iN;
return ($n & 0xffffffff);
}
}