All Questions
Tagged with quantum-computing symmetric
4
questions
2
votes
1
answer
267
views
Does triple ChaCha20 have 256-bit post-quantum security?
Experts suggested 3DES when AES wasn't developed yet, since meet-in-the-middle attack, they suggested triple DES. Grover's algorithm, a quantum algorithm, weakens symmetric encryptions, how about ...
- 361
6
votes
3
answers
9k
views
Can Quantum Computers crack RSA and AES?
Im trying to learn more about cryptography and ran into a post, Is AES-128 quantum safe?, which asks if AES-128 is safe. From the articles and replies it seems that AES-128 (symmetric key) is safe ...
0
votes
1
answer
157
views
Do multiple keys mitigate Grover algorithm?
Grover, a quantum algorithm, weakens AES and ChaCha20. Is it possible to use multiple symmetric keys to encrypt a message multiple times to achieve 256-bit security for quantum computers?
- 361
5
votes
1
answer
187
views
What are the misconceptions of IBM's CEO Arvind Krishna talk on the "Axios on HBO" about the quantum computing
IBM CEO Arvind made a talk in HBO's Axios program. It seems that there are misconceptions/misleading/flaws in reasoning etc.
What are those!
Some of the details of the speech is given as;
IBM says ...
- 49.1k