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Tagged with transport-security public-key
4 questions
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Signal's X3DH Protocol - what is Alice's ephemeral key? Is the previous ephemeral key used in the next message's run? Are one-time prekeys signed?
In the Signal Protocol and X3DH Protocol:
https://signal.org/docs/specifications/x3dh/
I have a few questions:
1. In section 3.3. "Sending the initial message", it says:
Alice verifies the ...
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What attacks does future secrecy protect against?
Consider messaging between 2 parties. A sequence of messages are exchanged between the parties using encryption. We consider an attacker that has at a minimum a log of all the (encrypted) messages ...
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DIY message level security?
This might be in danger of being too elementary a question for this community but I'm hoping for expert help:
Assuming that TLS is not enough to protect messages transmitted between a client and a ...
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Initializing PGP keys by one side
I am using a PGP method to encrypt and decrypt messages shared between users A and B.
Upon the start of a message exchange is the initialization of the public and secret keys by both Users.
Lets say ...