#18878: NTRUEncrypt or other quantum encryption????
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Reporter: cypherpunks | Owner:
Type: defect | Status: closed
Priority: Medium | Milestone:
Component: Core Tor/Tor | Version:
Severity: Normal | Resolution: invalid
Keywords: | Actual Points:
Parent ID: | Points:
Reviewer: | Sponsor:
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Changes (by yawning):
* status: new => closed
* resolution: => invalid
Comment:
I have no idea where the misconception regarding PFS and post quantum
algorithms originated from.
The current NTRUEncrypt/X25519 prop 263 hybrid construct provides Perfect
Forward Secrecy by virtue of the NTRUEncrypt keypair being ephemeral (used
only once, private keydiscarded immediately after the handshake is done).
Recovering the transported key material requires recovering the plaintext
given the ciphertext/public key, which is a full NTRUEncrypt break.
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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18878#comment:1>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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