--- title: inputCheckPasswordSRP description: Constructor for checking the validity of a 2FA SRP password (see [SRP](https://core.telegram.org/api/srp)) image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Constructor: inputCheckPasswordSRP [Back to constructors index](index.md) Constructor for checking the validity of a 2FA SRP password (see [SRP](https://core.telegram.org/api/srp)) ### Attributes: | Name | Type | Required | Description | |----------|---------------|----------|-------------| |srp\_id|[long](../types/long.md) | Yes|[SRP ID](https://core.telegram.org/api/srp)| |A|[bytes](../types/bytes.md) | Yes|`A` parameter (see [SRP](https://core.telegram.org/api/srp))| |M1|[bytes](../types/bytes.md) | Yes|`M1` parameter (see [SRP](https://core.telegram.org/api/srp))| ### Type: [InputCheckPasswordSRP](../types/InputCheckPasswordSRP.md) ### Example: ```php $inputCheckPasswordSRP = ['_' => 'inputCheckPasswordSRP', 'srp_id' => long, 'A' => 'bytes', 'M1' => 'bytes']; ``` Or, if you're into Lua: ```lua inputCheckPasswordSRP={_='inputCheckPasswordSRP', srp_id=long, A='bytes', M1='bytes'} ```