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by AnonC
2197 days ago
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> The rule of thumb in cryptography is "don't roll your own crypto". This phrase is tiring to hear in this form, and your understanding seems to be incomplete here. Signal also rolled its own crypto, but you don’t see anyone saying it’s insecure for that reason. That phrase is used to tell non-cryptographers not to roll their own crypto because of the high chances of vulnerabilities being introduced. In the case of Telegram, the company defends its protocol saying that it’s been created by people with PhD in mathematics (which is related to and is foundational for, but different from, cryptography). Telegram’s encryption protocol (the second version) has not been broken by anyone till date. |
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It was created by Nikolai Durov who has a PhD in geometry. That's like a gynaecologist performing brain surgery. Specialization matters. Sure both took human anatomy 101 class in college, but somewhere along the way they went and spend their ENTIRE career doing different things. It's easier to get another decree in medical science sure, but in this case the gynaecologist did not, they just started cutting the brain with kitchen knife and just because their patients haven't died yet doesn't mean they have the credentials to abandon best practices.