# Method: messages.getDhConfig

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Returns configuration parameters for Diffie-Hellman key generation. Can also return a random sequence of bytes of required length.

# Parameters:

Name Type Description Required
version int Value of the version parameter from messages.dhConfig, avialable at the client Yes
random_length int Length of the required random sequence Yes

# Return type: messages.DhConfig

# Can bots use this method: NO

# MadelineProto Example (now async for huge speed and parallelism!):

if (!file_exists('madeline.php')) {
    copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
}
include 'madeline.php';

$MadelineProto = new \danog\MadelineProto\API('session.madeline');
$MadelineProto->start();

$messages.DhConfig = $MadelineProto->messages->getDhConfig(['version' => int, 'random_length' => int, ]);

Or, if you’re into Lua:

messages.DhConfig = messages.getDhConfig({version=int, random_length=int, })

# Errors

Code Type Description
400 RANDOM_LENGTH_INVALID Random length invalid
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