Overview#

Telegram is a cloud-based Instant Messaging and Voice over IP Service Provider.Telegram's Client-side code is Open Source software whereas its server-side code is closed-source and proprietary. Telegram service also provides APIs to independent developers.

Telegram uses a Symmetric Key Cryptography scheme called MTProto. The protocol was developed by Nikolai Durov and other developers at Telegram and is based on AES-256 Symmetric Key encryption, RSA 2048-bit encryption and Diffie-Hellman key-exchange.

Telegram's Messages and media in Telegram are encrypted when stored on its servers, and the client-server communication is also encrypted

Telegram service provides End-to-end Encryption for voice calls, and optional End-to-end Encryption for "secret" chats between two online users, yet not for groups or channels.

Telegram Digital Identity of End-User's are bound by to Phone Numbers and are verified by SMS.

Telegram has some other projects:

• Telegram Open Network (TON)
• Telegram Passport

More Information#

There might be more information for this subject on one of the following:

• GRAM
• Telegram Open Network

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• [#1] - Telegram_(software) - based on information obtained 2019-08-27
• [#2] - Introducing Telegram Passport - based on information obtained 2019-08-27
• [#2] - Telegram Login for Websites - based on information obtained 2019-08-27