crypt_gensalt
crypt_gensalt
Compile a string for use as the salt argument to crypt
**crypt_gensalt** string $prefix int $count
Compile a string for use as the salt argument to .
crypt
prefix
Hashing method.
One of the constant.
If null, the best available hashing method will be selected.
CRYPT_PREFIX_*
count
Controls the processing cost of the hash;
the valid range and exact meaning of count depend on the hashing method,
but larger numbers correspond to more costly hashes in
terms of CPU time and possibly memory usage.
If count is , a low default cost will be selected.
0
Returns a string with the setting, or null in case of an error.
Voorbeeld: A example
<?php
// Generate the salt
$salt = crypt_gensalt(CRYPT_PREFIX_BLOWFISH);
// Hash the password
$hash = crypt("secret", $salt);
// Check the hash
$test = hash_equals(crypt("secret", $hash), $hash);
var_dump($salt, $hash, $test);
?>
string(29) "$2y$05$GcPykP.Am8C1.dGamdpwW."
string(60) "$2y$05$GcPykP.Am8C1.dGamdpwW.1RR.7uicWvJPZfJfCEizZHqVWwuaJLm"
bool(true)
crypt_preferred_method``crypt``hash_equals