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openssl_password_hash — Create a password hash using OpenSSL's Argon2 implementation
Creates a password hash using OpenSSL's Argon2 implementation. This is an alternative to password_hash() that uses OpenSSL as the backend, which may offer hardware acceleration on some platforms.
This function is only available when PHP is compiled with OpenSSL
support that includes Argon2 (HAVE_OPENSSL_ARGON2).
algo
The password hashing algorithm. Supported values:
"argon2id" and "argon2i".
passwordThe user's password.
optionsAn associative array of options. Supported keys:
memory_cost - Maximum memory (in KiB) that may
be used to compute the hash
time_cost - Maximum amount of time it may take
to compute the hash
threads - Number of threads to use for
computing the hash
Returns the password hash as a string.
Throws a ValueError if algo
is not one of the supported values
("argon2i" or "argon2id").
Throws an Error if the hashing operation fails for an unknown reason.
| Versión | Descripción |
|---|---|
| 8.4.0 | Function added. |
Ejemplo #1 openssl_password_hash() example
<?php
$hash = openssl_password_hash('argon2id', 'my-secret-password');
echo $hash;
?>Resultado del ejemplo anterior es similar a:
$argon2id$v=19$m=65536,t=4,p=1$c29tZXNhbHR2YWx1ZQ$hashvalue...
Ejemplo #2 openssl_password_hash() with custom options
<?php
$hash = openssl_password_hash('argon2id', 'my-secret-password', [
'memory_cost' => 65536,
'time_cost' => 4,
'threads' => 1,
]);
?>