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I try to understand the messages of the Noise Protocol Framework. The handshakes are based on Diffie-Hellmann key exchange. …

We are studing the Noise Protocol to know if makes sense use it on this new feature, but from what I understand so far, the Noise Protocol would be an alternative to TLS. … We don't know how to utilize the Noise Protocol yet, if we simply pick up an implementation and include on the project or if the Node.js should offer an implementation like TLS. …

From my understanding, instead of using public-key encryption, the library relies on the noise protocol framework to create ephemeral session keys shared by both parties to encrypt and decrypt messages …

In the Noise protocol, is it safe to reuse static key pairs in different handshake patterns? …

Both Noise and Signal are well-studied and well-known, and so building upon these might be preferred over attempting to craft a brand new protocol. … Whether it's considered as (a) an extension of the Noise protocol, (b) passing Noise messages that are already "wrapped" (as an onion, such as Signal within Noise), or (c) constantly re-running Noise exchanges …

Hi, I am currently trying to understand the WireGuard VPN protocol. As you may know, it uses the Noise_IK handshake from the Noise Protocol Framework. …

In the official documentation for the Noise Framework there is a section with an overview of the identity hiding for each pattern. … (here is not any tag related to Noise Framework, this is strange) …

Indeed, the Noise Protocol Framework initially uses a protocol identifier string as its HKDF salt value (chaining key in Noise), which looks very similar to examples of customization strings given for … For example, if it is derived from random nonces exchanged during a protocol handshake, then those nonces must be authenticated (e.g., by a signature) prior to being used in HKDF. …

Can Noise be used asynchronously without weakening its security properties? … Run Noise again with the plain-text as a payload, generating an encrypted transport message. …

If the protocol didn't abort, Alice also sends a challenge $m$ (for "mask") to Bob in order to do a kind of privacy amplification, and extract one bit. … Actually, I think that the leftover hash lemma could be used to prove the security of the protocol if we were able to remove the message $y_0$ from Alice to Bob. …

The key difference for me is the nature of the noise. … If yes, is there a theorem that certifies that every cryptographic protocol based on an error-correcting-code assumption could be transformed into a more efficient lattice-based protocol (i.e., with the …

I agree with Squeamish Ossifrage, you should use either Noise Protocol Framework, or Signal Protocol library, or any other library/framework for encryption. …

All the key exchange schemes provided by libhydrogen (actually the Noise protocol) are secure against MITM. …

The solution I can think of is to use Signal protocol with Noise Pipes (like WhatsApp). Is that approach ok? Is there a simpler approach to the problem? Thanks …

It is used to secure communications between validators via the Noise Protocol Framework. It is based on the x25519-dalek library." …