---
title: danog\MadelineProto\MTProtoTools\PasswordCalculator: Manages SRP password calculation.
description: 

---
# `danog\MadelineProto\MTProtoTools\PasswordCalculator`
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> Author: Daniil Gentili <daniil@daniil.it>  
  

Manages SRP password calculation.  




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Generated by [danog/phpdoc](https://phpdoc.daniil.it).  
## Method list:
* `addInfo(array $object): void`
* `createSalt(string $prefix): \string Salt`
* `hashSha256(string $data, string $salt): \string Hash`
* `hashPassword(string $password, string $client_salt, string $server_salt): \string Resulting hash`
* `getCheckPassword(string $password): \array InputCheckPassword object`
* `getPassword(array $params): \array account.updatePasswordSettings parameters`

## Methods:
### `addInfo(array $object): void`

Popupate 2FA configuration.


Parameters:
* `$object`: `array` 2FA configuration object obtained using account.getPassword  



### `createSalt(string $prefix): \string Salt`

Create a random string (eventually prefixed by the specified string).


Parameters:
* `$prefix`: `string` Prefix  


Return value: Salt


### `hashSha256(string $data, string $salt): \string Hash`

Hash specified data using the salt with SHA256.
The result will be the SHA256 hash of the salt concatenated with the data concatenated with the salt

Parameters:
* `$data`: `string` Data to hash  
* `$salt`: `string` Salt  


Return value: Hash


### `hashPassword(string $password, string $client_salt, string $server_salt): \string Resulting hash`

Hashes the specified password.


Parameters:
* `$password`: `string` Password  
* `$client_salt`: `string` Client salt  
* `$server_salt`: `string` Server salt  


Return value: Resulting hash


### `getCheckPassword(string $password): \array InputCheckPassword object`

Get the InputCheckPassword object for checking the validity of a password using account.checkPassword.


Parameters:
* `$password`: `string` The password  


Return value: InputCheckPassword object


### `getPassword(array $params): \array account.updatePasswordSettings parameters`

Get parameters to be passed to the account.updatePasswordSettings to update/set a 2FA password.
The input params array can contain password, new_password, email and hint params.

Parameters:
* `$params`: `array` Input params  


Return value: account.updatePasswordSettings parameters