Cryptography

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First bounty you offer on your own question.
Awarded 209 times.
A matching X25519 public from non-clamped Ed25519-public and Ed25519-secret
Awarded Nov 5 at 12:55
Prove with ZKP that I have encrypted a message $v + random\_number\cdot c$ given an RSA public key?
Awarded Aug 8 at 4:33
Is the Lemma4.5 in the Plonk paper correctly described？
Awarded Jun 21 at 2:56
(post deleted or otherwise unavailable)
Awarded Apr 26 at 19:16
What bitlength should I use for generating primes for a ElGamal Encryption Cyclic Group (given the data to encrypt has a short time-value vector)?
Awarded Apr 14 at 19:57
Why pairing domains are subgroups of the r-torsion group?
Awarded Apr 2 at 18:42
Are rejected Dilithium commitments secret?
Awarded Mar 27 at 23:05
Make sure of Quadratic Arithmetic Program validity
Awarded Mar 10 at 14:11
STARKs for arbitrary computation
Awarded Feb 27 at 16:02
Protecting value decomposition risk in microdata release
Awarded Feb 13 at 15:31
Decentralized identity, how to prevent duplicate uses of the same identity
Awarded Feb 4 at 12:52
In a PGP like Application , would compress and encrypt leak information
Awarded Jan 28 at 7:25
Proof of Knowledge & Rewinding Lemma
Awarded Jan 6 at 21:13
Security of pseudorandom correlation for bilinear correlations
Awarded Jan 2 at 7:27
How the mimc bug from circomlib was safely exploited to fake the merkle root in the witness in practice?
Awarded Dec 25, 2022 at 12:33
Can the BB'06 attack to PKCS padding be generalized?
Awarded Dec 12, 2022 at 11:18
(post deleted or otherwise unavailable)
Awarded Dec 5, 2022 at 12:57
(post deleted or otherwise unavailable)
Awarded Nov 29, 2022 at 17:09
A probable attack for RSA (factorization): how to improve it?
Awarded Oct 26, 2022 at 9:05
Cryptographic functions as feature map/kernel function?
Awarded Oct 18, 2022 at 13:50
(post deleted or otherwise unavailable)
Awarded Oct 5, 2022 at 6:35
Finding the exact solution of an LWE instance with a sparse matrix
Awarded Jul 28, 2022 at 20:41
On a public e-voting, how do I keep the votes from being disclosed prematurely without a trustee?
Awarded Jul 9, 2022 at 20:34
Can I subtract 2 ciphertexts in FHE exactly?
Awarded Jul 4, 2022 at 13:07
Hasty Pudding test vectors
Awarded Jun 14, 2022 at 5:57
Cryptography based on #P-complete problems
Awarded May 9, 2022 at 9:56
Is a stream cipher and a (cryptographically secure) PRNG nearly the same thing?
Awarded Apr 25, 2022 at 20:07
What is the effect of low rank dual sublattices on the dual lattice attack on LWE?
Awarded Apr 24, 2022 at 15:41
Linearization attack on group with automorphism
Awarded Apr 12, 2022 at 4:36
Distribution of group elements with chosen bits and hardness of discrete log problem
Awarded Mar 24, 2022 at 20:17
Fast fully homomorphic arithmetic scheme? BFV = slow bootstrapping, TFHE = slow arithmetic
Awarded Mar 4, 2022 at 19:30
Is it possible to crack a Linear Congruential Generator if I only know the modulus of the output?
Awarded Dec 13, 2021 at 11:15
Difference between an authentication scheme and a identification scheme in ZK proofs?
Awarded Oct 30, 2021 at 0:15
What are the fastest algorithms that sample from the uniform distribution?
Awarded Aug 22, 2021 at 16:03
Pairing-friendly curve whose group order is a safe prime
Awarded Aug 12, 2021 at 12:45
Why is an ephemeral key required to prove possession of a static private key in Key-Establishment Schemes
Awarded Aug 9, 2021 at 7:17
Prove that a small Ring-LWE secret is unique
Awarded Aug 8, 2021 at 2:20
Does reusing IV in AES-CBC weaken it?
Awarded Jul 18, 2021 at 22:16
How can I prove "single-use authorization" from multiple parties without revealing identity?
Awarded Jun 7, 2021 at 11:41
Is a LFSR sufficient for post-processing a biased TRNG?
Awarded May 3, 2021 at 12:28
Length of a Challenge in Challenge and Response Protocol
Awarded Mar 25, 2021 at 7:41
A question regarding next-bit predictors
Awarded Feb 23, 2021 at 15:32
Division property table of SBox
Awarded Feb 19, 2021 at 8:48
Advanced Electronic Signature: PKCS#7 to PFX Conversion
Awarded Feb 8, 2021 at 12:10
Which of those functions are PRFs?
Awarded Nov 21, 2020 at 8:33
Using sha3 as a deterministic source of psuedo-random bytes for xor encryption
Awarded Sep 22, 2020 at 6:46
About a SETUP mechanism on ECDH
Awarded Sep 14, 2020 at 8:11
Is it possible to have perfectly secure public-key cryptography with oracles?
Awarded Sep 7, 2020 at 14:06
Does using Noise asynchronously weaken its security properties?
Awarded Aug 20, 2020 at 11:10
Computationally binding commitment
Awarded Aug 4, 2020 at 13:50
How hard is it to link a hardened BIP32 child public key to it's parent public key?
Awarded Jul 1, 2020 at 2:25
DTLS vs direct use of AES. What are the threats unique for direct use of AES instead of DTLS?
Awarded Jun 17, 2020 at 19:10
Calculating the modular inverse of a polynomial with coefficients in GF(2^8). (AES)
Awarded Jun 14, 2020 at 1:10
Why do 5G, 4G, etc., use non-conventional algorithms?
Awarded Jun 12, 2020 at 16:05
Is this a safe way to prove the knowledge of an ECDSA Signature?
Awarded Jun 1, 2020 at 15:08
Fiat-Shamir for $(2n + 1)$
Awarded May 24, 2020 at 17:02
Hardness of iterated squaring in Paillier group
Awarded May 22, 2020 at 19:46
Do any probabilistic hashing algorithms have additive homomorphism?
Awarded Apr 29, 2020 at 15:48
Can LWE be NP-hard?
Awarded Apr 29, 2020 at 9:34
What is blindness and forgeability in Chaum's blind signature scheme?
Awarded Mar 13, 2020 at 18:50
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