How can intermediary devices securely forward traffic using only session IDs in a symmetric encryption system, without risking MITM attacks? [closed]

I’m imagining a Utopian world where the internet nowadays doesn’t have as much overhead as the OSI layer. In this world, network engineers never make mistakes, such as using IPv4, which has been exhausted, instead of IPv6.
Unlike the OSI l… Continue reading How can intermediary devices securely forward traffic using only session IDs in a symmetric encryption system, without risking MITM attacks? [closed]

How can intermediary devices securely forward traffic using only session IDs in a symmetric encryption system, without risking MITM attacks? [closed]

I’m imagining a Utopian world where the internet nowadays doesn’t have as much overhead as the OSI layer. In this world, network engineers never make mistakes, such as using IPv4, which has been exhausted, instead of IPv6.
Unlike the OSI l… Continue reading How can intermediary devices securely forward traffic using only session IDs in a symmetric encryption system, without risking MITM attacks? [closed]

Is there an asymmetric TOTP algorithm that avoids sharing a private key over public channels?

The commonly used Time based One Time Password (TOTP) system requires the initial sharing of a key. This presents a security risk, as acknowledged by Wikipedia referencing the RSA compromise:

An attacker with access to this shared secre… Continue reading Is there an asymmetric TOTP algorithm that avoids sharing a private key over public channels?

Why does the Signal Protocol use a symmetric key for encryption- when asymmetric keys are more secure? [duplicate]

The Signal Protocol, as many of you would know, is used by many applications such as WhatsApp and Signal. These corporations, I can vouch for, would definitely use the most secure protocol they could- as WhatsApp, for example, would happil… Continue reading Why does the Signal Protocol use a symmetric key for encryption- when asymmetric keys are more secure? [duplicate]