Questions tagged [post-quantum]
aka "quantum resistant"; refers to cryptography running on a classical computer which is resistant to quantum attacks. For algorithms running on a quantum computer, see [quantum-computing].
16 questions
1 vote
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What are some reliable and well-maintained Post-Quantum Cryptography (PQC) libraries with Go support? [closed]
I am looking for reputable libraries or solution providers that offer reliable, well-maintained, and well-documented implementations of post-quantum cryptographic (PQC) algorithms. Specifically, I am ...
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4 votes
1 answer
1k views
Does it make sense to disallow SHA-224 and SHA-256 to defend against quantum computers?
From Australia's Guidelines for Cryptography: For most purposes, a hashing algorithm with an output size of 224 bits provides 112 bits of effective security strength, with larger output sizes ...
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1 vote
1 answer
261 views
Is a Three-Layer Post-Quantum Safe VPN Hidden Within Regular IPsec Effective Against Eavesdroppers?
I'm working on designing a VPN that is post-quantum safe while avoiding detection that it uses post-quantum cryptography. The goal is to make the use of post-quantum cryptography indistinguishable to ...
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0 votes
1 answer
96 views
Does gpg support storing public keys in encrypted state?
I know this might sound counter-intuitive, but is it possible to configure gpg to store public keys in encrypted state on disks? Such that when encrypting a message to someone, user would be asked to ...
- 49
1 vote
1 answer
242 views
Will the public-key cryptosystem change in a post-quantum state?
I would like to preface this with the information that I am clearly not well versed in crypto, so my understand so far may not be accurate. CISA recently published an advisory Preparing Critical ...
- 1,773
0 votes
1 answer
5k views
Python SSL - No Shared Ciphers
I am using a custom Python build, with the liboqs-openssl which is encapsulating pq-algorithms. I generated the certificates using the provided dilithium2 algorithm and wanted to create a simple SSL ...
- 3
1 vote
1 answer
617 views
Can I trust Post-Quantum VPN for protection against quantum computers?
Should I trust VPN services that provide post-quantum encryption like NewHope for protection against future quantum computers? How can I tell if the connection between me and the VPN is using post-...
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1 vote
0 answers
535 views
Creating X509 certificate in C using post-quantum public key algorithm?
I'm trying to implement a self signed x509 certificate that uses a post-quantum (PQ) public key algorithm as the public key algorithm. I looked at the openssl library in c, and the way it's done using ...
5 votes
1 answer
343 views
Lattice based encryption, current status?
I see that a couple of years ago, post-quantum was a "5+ year horizon" project. Is that still the case? NTRUEncrypt in SSL and GPG encryption As the final comment on that thread said, a two-layer ...
- 53
1 vote
1 answer
319 views
CECPQ1 key exchange functionality
CECPQ1 (combined elliptic Curve and Post-Quantum Cryptography Key Exchange) is a new key exhange developed by google, which combine X25519 with NewHope (elliptic Curve KE + Post-quantum KE). Google ...
- 13
2 votes
1 answer
896 views
Can I render public-key cryptography quantum resistant if I treat even the public keys as secret?
Here is the situation - RSA/ECC is not quantum resistant, because a quantum computer feasibly calculate the private key based on the knowledge of the public key (because the quantum computers tackle ...
- 71
5 votes
2 answers
500 views
How safe is this "Multidimensional-Encryption method" (includes xAES, familiar from Unseen.is)?
I would like to ask about this encryption method that I found: USPTO patent and it is related to this question here: A service that claims beyond army level encryption and Unseen.is encryption claims ...
- 53
7 votes
3 answers
3k views
NTRUEncrypt in TLS and GPG encryption
Commonly used cryptosystems like RSA or ECC, on the other hand, will be broken if and when quantum computers become available. - https://tbuktu.github.io/ntru/ How can we introduce NTRU in GPG and ...
- 2,390
6 votes
1 answer
623 views
Is there readily available encryption algorithms for current computers, that is safe from quantum computers?
Is there readily available encryption algorithms for current computers, that is safe from quantum computers? I know a bunch of currently popular encryption algorithms that are safe from current ...
- 1,613
3 votes
1 answer
7k views
Is it true that AES-128 and AES-256 are Quantum resistant?
Is it true that with the rise of quantum computers, which is pretty close these days, AES 128 and 256 are resistant? while PGP and RSA are not?
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