本文整理汇总了PHP中_hash_encode64函数的典型用法代码示例。如果您正苦于以下问题：PHP _hash_encode64函数的具体用法？PHP _hash_encode64怎么用？PHP _hash_encode64使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了_hash_encode64函数的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: _hash_gensalt_private
function _hash_gensalt_private($input, &$itoa64, $iteration_count_log2 = 6)
{
if ($iteration_count_log2 < 4 || $iteration_count_log2 > 31) {
$iteration_count_log2 = 8;
}
$output = '$H$';
$output .= $itoa64[min($iteration_count_log2 + (PHP_VERSION >= 5 ? 5 : 3), 30)];
$output .= _hash_encode64($input, 6, $itoa64);
return $output;
}示例2: _hash_crypt_private
function _hash_crypt_private($password, $setting, &$itoa64)
{
$output = '*';
// Check for correct hash
if (substr($setting, 0, 3) != '$H$' && substr($setting, 0, 3) != '$P$') {
return $output;
}
$count_log2 = strpos($itoa64, $setting[3]);
if ($count_log2 < 7 || $count_log2 > 30) {
return $output;
}
$count = 1 << $count_log2;
$salt = substr($setting, 4, 8);
if (strlen($salt) != 8) {
return $output;
}
/**
* We're kind of forced to use MD5 here since it's the only
* cryptographic primitive available in all versions of PHP
* currently in use. To implement our own low-level crypto
* in PHP would result in much worse performance and
* consequently in lower iteration counts and hashes that are
* quicker to crack (by non-PHP code).
*/
if (PHP_VERSION >= 5) {
$hash = md5($salt . $password, true);
do {
$hash = md5($hash . $password, true);
} while (--$count);
} else {
$hash = pack('H*', md5($salt . $password));
do {
$hash = pack('H*', md5($hash . $password));
} while (--$count);
}
$output = substr($setting, 0, 12);
$output .= _hash_encode64($hash, 16, $itoa64);
return $output;
}示例3: vanilla_crypt_private
function vanilla_crypt_private($password, $setting)
{
$itoa64 = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
$output = '*0';
if (substr($setting, 0, 2) == $output) {
$output = '*1';
}
if (substr($setting, 0, 3) != '$P$') {
return $output;
}
$count_log2 = strpos($itoa64, $setting[3]);
if ($count_log2 < 7 || $count_log2 > 30) {
return $output;
}
$count = 1 << $count_log2;
$salt = substr($setting, 4, 8);
if (strlen($salt) != 8) {
return $output;
}
# We're kind of forced to use MD5 here since it's the only
# cryptographic primitive available in all versions of PHP
# currently in use. To implement our own low-level crypto
# in PHP would result in much worse performance and
# consequently in lower iteration counts and hashes that are
# quicker to crack (by non-PHP code).
if (PHP_VERSION >= '5') {
$hash = md5($salt . $password, TRUE);
do {
$hash = md5($hash . $password, TRUE);
} while (--$count);
} else {
$hash = pack('H*', md5($salt . $password));
do {
$hash = pack('H*', md5($hash . $password));
} while (--$count);
}
$output = substr($setting, 0, 12);
$output .= _hash_encode64($hash, 16, $itoa64);
return $output;
}示例4: _hash_crypt_private
function _hash_crypt_private($password, $setting, &$itoa64)
{
$output = '*';
if (substr($setting, 0, 3) != '$H$') {
return $output;
}
$count_log2 = strpos($itoa64, $setting[3]);
if ($count_log2 < 7 || $count_log2 > 30) {
return $output;
}
$count = 1 << $count_log2;
$salt = substr($setting, 4, 8);
if (strlen($salt) != 8) {
return $output;
}
if (PHP_VERSION >= 5) {
$hash = md5($salt . $password, true);
do {
$hash = md5($hash . $password, true);
} while (--$count);
} else {
$hash = pack('H*', md5($salt . $password));
do {
$hash = pack('H*', md5($hash . $password));
} while (--$count);
}
$output = substr($setting, 0, 12);
$output .= _hash_encode64($hash, 16, $itoa64);
return $output;
}