Cryptography

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Awarded 6883 times.
Representation theory in cryptography/coding theory
Awarded 10 hours ago
Is there some function of $n$ that is a multiple of $\phi(n^2)$?
Awarded 11 hours ago
Encryption of small data with fixed key and incremental IV
Awarded yesterday
Preimage attack on sum of two Hash functions modulo 2
Awarded Jul 21 at 19:55
Can the result of a multiplication between an elliptic curve and a scalar not be on the curve?
Awarded Jul 21 at 13:01
Consequences of P=NP for Authentication
Awarded Jul 21 at 7:06
Cracking RSA (or other algorithms) manually by a savant
Awarded Jul 20 at 20:26
How can malicious garbling compromise evaluator's input in Yao's garbled circuit
Awarded Jul 20 at 4:46
Is using only one or two test vector(s) for ChaCha20 enough for validation of coded algorithm?
Awarded Jul 19 at 13:25
Why does RFC 6979 need so many loops?
Awarded Jul 17 at 14:36
Does the libsodium sealedbox provide forward secrecy?
Awarded Jul 16 at 13:42
MS CryptoAPI RC4-1024 vs AES-128?
Awarded Jul 15 at 23:32
What can I use for key exchange?
Awarded Jul 15 at 18:30
Parameter c in Fiat–Shamir heuristic
Awarded Jul 13 at 20:57
When is a large semiprime possible to factor?
Awarded Jul 13 at 0:34
Does key sizes specified in ASD Approved Cryptographic Algorithms impact operational performance?
Awarded Jul 13 at 0:20
Transparent Voting and Advance Secret Code
Awarded Jul 12 at 23:10
ZK-SNARK basics: knowing t(x), what prevents the prover from creating random h(x) to forge L, R, and O
Awarded Jul 12 at 19:21
Using whitespace to break many-time-pad stream cipher
Awarded Jul 11 at 16:04
Factors calculation in RSA
Awarded Jul 11 at 11:57
How is it possible to derive the public exponent from an RSA private key?
Awarded Jul 10 at 12:56
Why use ASCII armor for file encryption?
Awarded Jul 10 at 9:53
When using prime factorization for key gen, is there a limit on the size of the prime factors?
Awarded Jul 10 at 5:55
How to adapt the equation of Gaussian mechanism noise based on number of executions
Awarded Jul 9 at 23:50
XSalsa20Poly1305 for encryption at rest
Awarded Jul 9 at 18:18
Does matrix multiplication of hash digests admit manipulation of the result?
Awarded Jul 9 at 18:18
Extra bytes when decryping with OpenSSL
Awarded Jul 9 at 14:10
Cracking Elliptic Curve Cryptography
Awarded Jul 9 at 10:11
Splitting an AES-256 key into two?
Awarded Jul 7 at 15:11
Is symmetric encryption with a key containing the userId passes as authentication?
Awarded Jul 7 at 13:34
What are the algorithms used in Facebook's Diem algorithm?
Awarded Jul 5 at 14:46
Why is ECDHE safe when paired within signing?
Awarded Jul 3 at 21:57
Required certificate key usage for signing document
Awarded Jul 3 at 8:06
Is PRF XORed with its key still a PRF? (always)
Awarded Jul 1 at 14:17
Is there an asymmetric encryption protocol which provides arbitrarily many seemingly unrelated public keys for a single private key?
Awarded Jul 1 at 8:46
How to use sagemath to find nonlinear invariants of S-box?
Awarded Jun 30 at 13:49
Statistical security parameter -> information theoretically secure
Awarded Jun 30 at 9:25
Proof of work designed for CPUs?
Awarded Jun 30 at 6:42
Linking Decisional Diffie-Hellman, Discrete Logarithm, and Knowledge of Exponent Assumptions
Awarded Jun 29 at 22:26
non-interactive secure computation with a twist?
Awarded Jun 29 at 21:42
How can I generate a deterministic evenly distributed random number in a blockchain
Awarded Jun 29 at 14:41
Advantage of Adversary against a simple function?
Awarded Jun 27 at 17:48
Using zk-snarks to verify a highest bid
Awarded Jun 27 at 17:48
Where are the seeds for the initial key exchange phase taken from?
Awarded Jun 25 at 12:10
How secure is AES 256bitkey generated from PBKDF2
Awarded Jun 24 at 10:32
Deterministic data masking
Awarded Jun 22 at 21:41
E2EE with passwords at login?
Awarded Jun 22 at 12:07
Why are finite fields so important in cryptography?
Awarded Jun 21 at 21:16
Crack AES encryption via passphrase dictionary attack?
Awarded Jun 20 at 11:27
How to securly save ED25519 private key on hard drive
Awarded Jun 20 at 9:50
Difference Between PEM vs P12 vs CRT vs JKS vs keystore vs PKCS vs x509 certificates [duplicate]
Awarded Jun 20 at 7:03
Uniform and Non-Uniform PPTs
Awarded Jun 18 at 21:36
Identifying the cheater in (3,5)-Shamir's secret sharing
Awarded Jun 18 at 14:20
Zero-Knowledge Proof of Equality between RSA Modulus and Prime Order Group
Awarded Jun 18 at 10:08
Difference between Generic Group Models
Awarded Jun 18 at 9:48
Does it make any sense to hash parts of a hashing target?
Awarded Jun 17 at 11:50
Dishonest verifier running a concurrent zero-knowledge protocol
Awarded Jun 16 at 11:05
RSA common protocol failure exam preparation
Awarded Jun 15 at 6:03
Is PyCryptodome's export_key with passphrase secure?
Awarded Jun 15 at 2:56
In sha256, is it possible to use less information than the full preimage to prove that the prefix of the preimage is a certain string
Awarded Jun 15 at 2:45
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