rnp_ffi_set_pass_provider

rnp_ffi_set_pass_provider

Set password provider callback function

bool **rnp_ffi_set_pass_provider** RnpFFI $ffi callable $password_callback

Sets password provider function. This function can ask for the password on a standard input (if PHP script is executed in a command line environment), display GUI dialog or provide password in any other possible ways. Requested passwords are used to encrypt or decrypt secret keys or perform symmetric encryption/decryption operations.

ffirnp.parameter.ffi-description

password_callback The function that is to be called for every password request. It has the following signature:

  Callback function should return true if password was successfully setreturn.falseforfailure.
 ```php

bool **** string $key_fp string $pgp_context string $password

`$key_fp``$pgp_context``$password`

Returns true on successreturn.falseforfailure.

**Voorbeeld: simple callback function example**

```php
<?php
function password_callback(string $key_fp, string $pgp_context, string &$password)
{
    $password = "password";

    return true;
}

$ffi = rnp_ffi_create('GPG', 'GPG');

rnp_ffi_set_pass_provider($ffi, 'password_callback');