本文整理匯總了PHP中Crypt_Blowfish::get_lambda_functions方法的典型用法代碼示例。如果您正苦於以下問題：PHP Crypt_Blowfish::get_lambda_functions方法的具體用法？PHP Crypt_Blowfish::get_lambda_functions怎麽用？PHP Crypt_Blowfish::get_lambda_functions使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類Crypt_Blowfish的用法示例。
在下文中一共展示了Crypt_Blowfish::get_lambda_functions方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: inline_crypt_setup
/**
* Creates performance-optimized function for de/encrypt(), storing it in $this->inline_crypt
*
* @access private
*/
function inline_crypt_setup()
{
/*{{{*/
$lambda_functions =& Crypt_Blowfish::get_lambda_functions();
$block_size = 8;
$mode = $this->mode;
$code_hash = "{$mode}";
if (!isset($lambda_functions[$code_hash])) {
$init_cryptBlock = '
extract($self->bctx["p"], EXTR_PREFIX_ALL, "p");
extract($self->bctx["sb"], EXTR_PREFIX_ALL, "sb");
';
// Generating encrypt code:
$_encryptBlock = '
$in = unpack("N*", $in);
$l = $in[1];
$r = $in[2];
';
for ($i = 0; $i < 16; $i += 2) {
$_encryptBlock .= '
$l^= $p_' . $i . ';
$r^= ($sb_0[$l >> 24 & 0xff] +
$sb_1[$l >> 16 & 0xff] ^
$sb_2[$l >> 8 & 0xff]) +
$sb_3[$l & 0xff];
$r^= $p_' . ($i + 1) . ';
$l^= ($sb_0[$r >> 24 & 0xff] +
$sb_1[$r >> 16 & 0xff] ^
$sb_2[$r >> 8 & 0xff]) +
$sb_3[$r & 0xff];
';
}
$_encryptBlock .= '
$in = pack("N*", $r ^ $p_17, $l ^ $p_16);
';
// Generating decrypt code:
$_decryptBlock = '
$in = unpack("N*", $in);
$l = $in[1];
$r = $in[2];
';
for ($i = 17; $i > 2; $i -= 2) {
$_decryptBlock .= '
$l^= $p_' . $i . ';
$r^= ($sb_0[$l >> 24 & 0xff] +
$sb_1[$l >> 16 & 0xff] ^
$sb_2[$l >> 8 & 0xff]) +
$sb_3[$l & 0xff];
$r^= $p_' . ($i - 1) . ';
$l^= ($sb_0[$r >> 24 & 0xff] +
$sb_1[$r >> 16 & 0xff] ^
$sb_2[$r >> 8 & 0xff]) +
$sb_3[$r & 0xff];
';
}
$_decryptBlock .= '
//.........這裏部分代碼省略.........