Cryptography

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Awarded 8051 times.
CVE-2024-31497, nonces and random numbers: Can someone explain, please?
Awarded 2 hours ago
Putty PPK Encryption Questions (or AES-CBC)
Awarded 3 hours ago
New Service to Service Protocol Presented for Public Scrutiny (Time-based Token Signing), Is it Safe?
Awarded 4 hours ago
Simple Precomputed Ciphertext operations table instead of Homomorphic encryption
Awarded yesterday
How do I generate a sequence of numbers with unpredictable differences
Awarded yesterday
Key Exhaustion Risks in Symmetric and Asymmetric Cryptography
Awarded yesterday
Can two different AES keys have the KCV by chance?
Awarded yesterday
Why is zero knowledge defined via simulation w.r.t. inputs *in* the language?
Awarded Apr 14 at 13:58
Is there a in-depth paper published about the Cloudflare's Lavarand and their CSPRNG?
Awarded Apr 13 at 22:20
What is better source of random bytes: Yubikey or /dev/random (or both)? [closed]
Awarded Apr 7 at 19:05
Should hash salt and public key be a part of cryptographic signature?
Awarded Apr 4 at 10:26
OPRF based on symmetric encryption
Awarded Apr 3 at 18:48
Modular multiplication of two k-bit numbers takes k^2 modular additions?
Awarded Apr 2 at 7:04
Signing a file vs. a manifest of cryptographic hashes
Awarded Apr 1 at 0:01
Changing ECDSA for Shorter Signatures: deterministic k
Awarded Mar 31 at 0:26
Is there any reference about the half-trace when m is even in F(2^m)
Awarded Mar 29 at 3:10
Hybrid argument for quantum states
Awarded Mar 29 at 0:41
Is it hard to find m, R to make RG^H(m||R)=C?
Awarded Mar 28 at 7:18
High Hamming Weight Attack on Kyber
Awarded Mar 26 at 7:21
Random based on video input, why isn't there some predictability
Awarded Mar 25 at 7:35
Is concatenation of secure encryptions secure?
Awarded Mar 24 at 17:48
Is it possible to create a mix of predefined and generated shares for Shamir's Secret Sharing?
Awarded Mar 24 at 13:49
Proof that semantic security implies key-recovery security
Awarded Mar 24 at 4:15
Is there a TLS cipher suite with perfect forward secrecy (PFS) but without authentication, i.e. anonymous, ephemeral key exchange?
Awarded Mar 23 at 22:35
Finding security constraints for different input domains of Ajtai functions
Awarded Mar 22 at 5:48
How AES diffusion (permutation) does not impact ECB penguin pattern with in each block?
Awarded Mar 21 at 13:02
Using AES-CBC with a random number plus a counter for the IV
Awarded Mar 21 at 1:25
Deriving the RSA private key [duplicate]
Awarded Mar 20 at 14:55
A simple guide to Diffie-Hellman Key Exchange including the what, the how and the why
Awarded Mar 18 at 17:16
Blinding an ECDSA private key without learning the private key
Awarded Mar 18 at 9:51
Using HPKE, if I generate my key pair can I derive the public key from the private key just in case I lose the public key?
Awarded Mar 17 at 19:31
Help with HMAC Known plaintext / mac puzzle
Awarded Mar 13 at 20:56
Zero-Knowledge Proof of Graph-Isomorphism with a union relation
Awarded Mar 13 at 8:26
Can f(S) also be replaced by PRP(S) in a Sponge consruction?
Awarded Mar 13 at 6:18
Understanding and Implementing fast base conversion (FastBConv, bconv) in Mathematica
Awarded Mar 11 at 15:31
The proof of Claim 5.2 in the "On Lattices, Learning with Errors, Random Linear Codes, and Cryptography"
Awarded Mar 10 at 5:03
How to measure the denseness of Mod-LWR samples in some space?
Awarded Mar 9 at 6:27
What does "gpg: RSA/AES256.CFB encrypted for" mean?
Awarded Mar 9 at 1:20
How can I understand the gap between CPA and CCA1?
Awarded Mar 8 at 13:35
Is there any cryptography-based assured data deletion technique currently as a standard?
Awarded Mar 7 at 23:26
Is AES a group?
Awarded Mar 7 at 3:26
How do RSA implementations avoid cases where the ciphertext and N are not coprime?
Awarded Mar 6 at 19:45
sign a JWT with RS256 using a RSA-PSS SHA256 key pair?
Awarded Mar 5 at 6:36
Private set intersection using homomorphic encryption
Awarded Mar 4 at 6:35
Prove RSA scheme is insecure [closed]
Awarded Mar 1 at 14:47
equivalence between entropic perfect secrecy and single probability
Awarded Mar 1 at 1:25
In order to achieve differentially private machine learning can one simply apply the Laplace mechanism after an SGD scheme? If so does it work well?
Awarded Feb 29 at 18:40
Do I need to use unique IVs if all encrypted data is unique?
Awarded Feb 29 at 14:21
Is it secure for A to allow B to run a garbled circuit twice with different inputs? [duplicate]
Awarded Feb 28 at 8:46
Adding hashes together
Awarded Feb 27 at 16:50
How to identify if a legacy encryption algorithm used in my programming language is secure?
Awarded Feb 27 at 16:35
ChaCha20 as a block cipher
Awarded Feb 26 at 8:56
Is it possible to calculate key(0) and key(1) of ZipCrypto using key(2)?
Awarded Feb 24 at 15:41
Is this an example of a sponge construction?
Awarded Feb 23 at 15:26
Is the composition of a hash function with a block cipher collision resistant?
Awarded Feb 23 at 12:27
Can I change the radio frequency according to my encryption algorithm?
Awarded Feb 23 at 5:18
Are there asymmetric encryption algorithms that preserve equality? Are they safe to use for data obfuscation?
Awarded Feb 21 at 6:58
Convert XZ Montgomery Curve Points to Twisted Edwards Curve Points (Inversion-Free)
Awarded Feb 20 at 22:16
Clarifying terms for cipher, algorithm, rsa, asymmetric, openssl
Awarded Feb 20 at 14:09
What exactly is RSA_WITH_AES256_CBC_SHA256?
Awarded Feb 19 at 21:35
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