Posts
Anyone experienced in Enigma challenges?
Hi, I am new to crypto and I need to solve task related to Enigma machine. Could someone experienced reach me to help? Thanks
is there someone informed about Beale papers ( book cipher ) ?
Hello everyone, I am new to cryptography, and I have a task related to Beale papers. I would be glad if someone experience can help me to solve it.
cr.yp.to: 2025.10.04: NSA and IETF
The UK Is Still Trying to Backdoor Encryption for Apple Users
WireTap: Breaking Server SGX via DRAM Bus Interposition
Intel SGX seems completely dead against local attackers. FAQ highlights: *"We have successfully extracted attestation keys, which are the primary mechanism used to determine whether code is running under SGX. This allows any hacker to masquerade as genuine SGX hardware, while in fact running code in an exposed manner and …
Attacking Deterministic Signature Schemes Using Fault Attacks
[This paper](https://eprint.iacr.org/2017/1014.pdf) explains the RowHammer Attack is a feasible fault injection attack that can be performed remotely. ECDSA and EdDSA are both vulnerable. The paper recommends using XEdDSA--which is resistant to RowHammer and is secure even when one uses a faulty RNG to generate the nonce. I thought this paper …
Signal Protocol and Post-Quantum Ratchets
cr.yp.to: 2025.09.30: Surreptitious surveillance
Should EU ID require designated verifier credentials?
I've linked the discussion section for the EU ID repository, but seemingly designated verifier credentials appear [only once in passing](https://github.com/eu-digital-identity-wallet/eudi-doc-architecture-and-reference-framework/issues/200). Should all online proofs of PII be designated verifier? Aka nobody but the "relaying-party" can actualy validate anything about the credential. Or would this be too constraining?