58 lines
1.8 KiB
Markdown
58 lines
1.8 KiB
Markdown
---
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title: messages.acceptEncryption
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description: Confirms creation of a secret chat
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image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
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redirect_from: /API_docs/methods/messages_acceptEncryption.html
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---
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# Method: messages.acceptEncryption
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[Back to methods index](index.md)
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Confirms creation of a secret chat
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### Parameters:
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| Name | Type | Description | Required |
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|----------|---------------|-------------|----------|
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|peer|[Secret chat ID, Update, EncryptedMessage or InputEncryptedChat](../types/InputEncryptedChat.md) | Secret chat ID | Yes|
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|g\_b|[bytes](../types/bytes.md) | `B = g ^ b mod p`, see [Wikipedia](https://en.wikipedia.org/wiki/Diffie%E2%80%93Hellman_key_exchange) | Yes|
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|key\_fingerprint|[long](../types/long.md) | 64-bit fingerprint of the received key | Yes|
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### Return type: [EncryptedChat](../types/EncryptedChat.md)
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### Can bots use this method: **NO**
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### MadelineProto Example ([now async for huge speed and parallelism!](https://docs.madelineproto.xyz/docs/ASYNC.html)):
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```php
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if (!file_exists('madeline.php')) {
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copy('https://phar.madelineproto.xyz/madeline.php', 'madeline.php');
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}
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include 'madeline.php';
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$MadelineProto = new \danog\MadelineProto\API('session.madeline');
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$MadelineProto->start();
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$EncryptedChat = $MadelineProto->messages->acceptEncryption(['peer' => InputEncryptedChat, 'g_b' => 'bytes', 'key_fingerprint' => long, ]);
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```
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Or, if you're into Lua:
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```lua
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EncryptedChat = messages.acceptEncryption({peer=InputEncryptedChat, g_b='bytes', key_fingerprint=long, })
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```
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### Errors
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| Code | Type | Description |
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|------|----------|---------------|
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|400|CHAT_ID_INVALID|The provided chat id is invalid|
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|400|ENCRYPTION_ALREADY_ACCEPTED|Secret chat already accepted|
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|400|ENCRYPTION_ALREADY_DECLINED|The secret chat was already declined|
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