Cryptography

Benefactor

 Benefactor
First bounty you manually award on your own question.
Awarded 104 times.
Recursive snarks with a genus-2 no-cycle hyperelliptic curve?
Awarded Oct 8 at 15:51
Is it valid to transform the tested sample file and re-test, rather than invent additional randomness tests?
Awarded Aug 5 at 3:12
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 21 at 19:11
Decentralized identity, how to prevent duplicate uses of the same identity
Awarded Feb 10 at 22:51
In a PGP like Application , would compress and encrypt leak information
Awarded Feb 3 at 17:35
Security of pseudorandom correlation for bilinear correlations
Awarded Jan 9 at 10:11
A probable attack for RSA (factorization): how to improve it?
Awarded Nov 2, 2022 at 13:26
Finding the exact solution of an LWE instance with a sparse matrix
Awarded Aug 4, 2022 at 23:52
Cryptography based on #P-complete problems
Awarded May 15, 2022 at 18:45
Is a stream cipher and a (cryptographically secure) PRNG nearly the same thing?
Awarded May 2, 2022 at 20:25
Distribution of group elements with chosen bits and hardness of discrete log problem
Awarded Mar 31, 2022 at 18:27
Is it possible to crack a Linear Congruential Generator if I only know the modulus of the output?
Awarded Dec 14, 2021 at 14:17
Why is an ephemeral key required to prove possession of a static private key in Key-Establishment Schemes
Awarded Aug 12, 2021 at 9:35
Prove that a small Ring-LWE secret is unique
Awarded Aug 10, 2021 at 16:35
Does reusing IV in AES-CBC weaken it?
Awarded Jul 22, 2021 at 7:15
How can I prove "single-use authorization" from multiple parties without revealing identity?
Awarded Jun 13, 2021 at 17:48
Is a LFSR sufficient for post-processing a biased TRNG?
Awarded May 5, 2021 at 11:57
A question regarding next-bit predictors
Awarded Feb 28, 2021 at 9:33
Questions about Symmetric Encryption part of TLS
Awarded Nov 2, 2020 at 4:02
Trying to implement ring-LWE KE to understand the concept
Awarded Oct 22, 2020 at 22:00
Using sha3 as a deterministic source of psuedo-random bytes for xor encryption
Awarded Sep 28, 2020 at 7:50
Is it possible to have perfectly secure public-key cryptography with oracles?
Awarded Sep 13, 2020 at 14:20
Error-correcting Code VS Lattice-based Crypto
Awarded Sep 4, 2020 at 17:40
Does using Noise asynchronously weaken its security properties?
Awarded Aug 24, 2020 at 12:56
DTLS vs direct use of AES. What are the threats unique for direct use of AES instead of DTLS?
Awarded Jun 25, 2020 at 2:10
Calculating the modular inverse of a polynomial with coefficients in GF(2^8). (AES)
Awarded Jun 15, 2020 at 14:57
Why do 5G, 4G, etc., use non-conventional algorithms?
Awarded Jun 13, 2020 at 21:18
Fiat-Shamir for $(2n + 1)$
Awarded May 30, 2020 at 10:20
Prove monoalphabetic cipher is a valid symmetric cipher
Awarded Mar 7, 2020 at 14:20
Repeatable encryption for pseudonymisation
Awarded Feb 25, 2020 at 22:20
Protecting Ed448 against DPA and fault attacks
Awarded Feb 21, 2020 at 0:35
Format Preserving Encyption question
Awarded Feb 20, 2020 at 0:30
How to play Mental Skull
Awarded Jan 26, 2020 at 18:55
Sigma protocol when order is unknown
Awarded Jan 14, 2020 at 1:10
What is TPMFail attack and what are the countermeasures?
Awarded Jan 6, 2020 at 7:35
Any speed up methods for finding the index of a random value produced by the Inversive congruential generator?
Awarded Nov 26, 2019 at 16:15
Is it safe to reuse a ECDSA nonce for two signatures if the public keys are different?
Awarded Jul 26, 2019 at 17:00
Append data to authenticated ciphertext encrypted using a stream cipher
Awarded Jul 7, 2019 at 17:35
Robust authentication and integrity for short OTP message
Awarded Jul 2, 2019 at 23:15
Does the signatures generated by a revoked member before revocation remains valid in VLR group signatures
Awarded May 13, 2019 at 4:10
Deterministic Authenticated Encryption with AES-OFB and HMAC
Awarded Mar 31, 2019 at 22:50
Proving that the least significant bit of an elliptic curve discrete logarithm is $0$
Awarded Jan 23, 2019 at 20:40
Is It Safe to Reuse the Same Salt in Bcrypt Password Hash (Specifically for Chaining Hashes)
Awarded Jan 23, 2019 at 17:45
Comparable or partially homomorphic public key derivation for signatures?
Awarded Jan 9, 2019 at 15:20
Decrypting Ciphertext with partial Key Fragment using LFSR and Berlekamp-Massey
Awarded Jan 6, 2019 at 13:30
How does one construct a 27x27 tabula recta for 2-of-3 secret sharing?
Awarded Oct 8, 2018 at 23:30
Perfect Indistinguishability in shift cipher
Awarded Sep 28, 2018 at 20:45
Simple explanation of Miller's algorithm
Awarded Sep 7, 2018 at 14:05
Can the lengths of HTTPS requests be used to deduce which public pages on a site are visited?
Awarded Aug 10, 2018 at 17:30
Homomorphic & Functional encryption: Mapping unencrypted outputs to encrypted outputs using existing data
Awarded Jul 24, 2018 at 21:15
ECIES: ECDSA with Kmac and without MAC
Awarded Jul 10, 2018 at 5:28
Is AES-Keywrap (NIST SP 800-38F) quantum-safe?
Awarded Mar 30, 2018 at 12:46
Verifying signature of plaintext using encrypted message only
Awarded Mar 29, 2018 at 14:28
What is the current time limit of Keccak inversion? [closed]
Awarded Mar 8, 2018 at 2:22
What's the difference between a known-plaintext attack and a ciphertext-only attack in terms of performance?
Awarded Feb 28, 2018 at 5:09
Is there a way of encryption that allows to check what encrypted values are close to their mean?
Awarded Jan 24, 2018 at 11:37
Lack of usage of secrets in ZK Bitcoin ownership proof
Awarded Dec 3, 2017 at 18:35
Why Rejewski advanced three position for the right rotor in the second set of rotors in the Cyclometer he devised?
Awarded Nov 14, 2017 at 7:03
AES: a question about dual ciphers and security
Awarded Nov 3, 2017 at 14:58
Secure and efficient encryption of a continuous data stream on behalf of a third party using asymmetric cryptography
Awarded Aug 28, 2017 at 7:57
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