Cryptography

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Answer a question with score of 1 or more.
Awarded 3577 times.
public key cryptography and digital signature
Awarded 10 hours ago
A question about "attacks on MAC key space"
Awarded Sep 24 at 18:02
Why is the IV passed in the clear when it can be easily encrypted?
Awarded Sep 24 at 16:01
Why was the Navajo code not broken by the Japanese in WWII?
Awarded Sep 21 at 8:18
(post deleted or otherwise unavailable)
Awarded Sep 20 at 13:31
Check if encrypted text is equal without decrypting or doing heavy calculation - AES
Awarded Sep 20 at 13:31
ChaCha20-Poly1305 and AES-GCM-SIV output size
Awarded Sep 15 at 21:01
Can ECDSA signatures be safely made "deterministic"?
Awarded Sep 15 at 19:10
Can neural cryptanalysis be applied to AES?
Awarded Sep 14 at 4:20
Indistinguishability versus Indifferentiability
Awarded Sep 13 at 10:56
Cache-hard or memory-hard password hashing algorithms?
Awarded Sep 10 at 12:55
How does key rotation work with DIDs (Decentralized Identifier)?
Awarded Sep 8 at 16:45
Reflecting a point on the Edwards curve
Awarded Sep 6 at 19:31
Why does ECIES use "Key Encapsulation"? Does it?
Awarded Sep 2 at 13:55
Question about Modified Miller-Rabin Test?
Awarded Aug 31 at 8:25
Threshold signature computing
Awarded Aug 28 at 13:26
Is it safe to create a public ID by hashing a private key?
Awarded Aug 27 at 8:28
RSA Oracle - CTF
Awarded Aug 25 at 15:35
What is the difference between a seeded RNG and an XOF hash?
Awarded Aug 20 at 10:36
Why does the permutation polynomial have the First Lagrange base added to it in PLONK?
Awarded Aug 11 at 5:06
Are FPGAs faster than microcontrollers in cryptography?
Awarded Aug 11 at 4:08
(post deleted or otherwise unavailable)
Awarded Aug 6 at 15:27
js-ethereum-cryptography secp256k1 signature difficulties
Awarded Aug 6 at 4:56
How long will my encryption remain private?
Awarded Aug 6 at 4:40
Can blockchain be considered a cryptographic primitive?
Awarded Aug 5 at 2:26
Collision ISIS Problem
Awarded Aug 3 at 0:56
Is CRC32C (any) better than CRC32(B)?
Awarded Jul 29 at 14:04
Can you instantiate Ring-LWE with coefficients from a prime-power field?
Awarded Jul 28 at 13:46
PLONK: Reducing the number of Field Elements Trick
Awarded Jul 28 at 7:51
How is the $\chi$ step of the Keccak permutation invertible?
Awarded Jul 27 at 5:56
Proving addition of secret values in a small field
Awarded Jul 26 at 11:47
PLONK: Reducing the number of Field Elements Trick
Awarded Jul 25 at 9:48
HMAC SHA256 walkthrough examples
Awarded Jul 18 at 13:04
Can we recover public key from DSA signatures as we can from ECDSA?
Awarded Jul 17 at 5:03
(post deleted or otherwise unavailable)
Awarded Jul 15 at 21:25
How to redistribute shares for Distributed Shamir Secret Sharing?
Awarded Jul 14 at 3:49
Why haven't any SHA-256 collisions been found yet?
Awarded Jul 12 at 23:57
How Cut-and-Choose can leak information?
Awarded Jul 4 at 11:42
Key Agreement between two nodes of a Wireless Sensor Network
Awarded Jun 28 at 11:17
Encrypt different inputs with different keys to obtain the same output
Awarded Jun 28 at 8:26
Elliptic curve discrete logarithm problem and mini example
Awarded Jun 22 at 1:41
Elliptic curve discrete logarithm problem and mini example
Awarded Jun 22 at 1:41
Revoke a GPG key using previously generated revoke certificate after renewd (change expiration date)
Awarded Jun 19 at 8:30
Are there any crypography schemes which rely on Graph Isomorphism not being in P?
Awarded Jun 13 at 21:32
Very short block ciphers for equally-short plaintexts
Awarded Jun 13 at 20:41
Two problem about noise management of BFV
Awarded Jun 13 at 15:07
Fully Homomorphic Encryption Scheme?
Awarded Jun 11 at 17:04
Clarification on the use of Key block Version ID with Thales HSM
Awarded Jun 6 at 14:06
Proof regarding a property of "$q$-ary" lattices
Awarded Jun 5 at 23:05
Zero knowledge proof for verifying a machine learning model
Awarded Jun 4 at 4:10
Meaning of direction in EPS
Awarded Jun 3 at 17:18
Would sending audio fragments over a phone call be considered a form of cryptology?
Awarded Jun 3 at 10:47
19 out of 24 words of BIP39 passphrase (brute-force last 5?)
Awarded Jun 2 at 10:51
Calculate the RSA private exponent from the CRT parameters
Awarded May 31 at 15:07
Fast Private Set Intersection from Homomorphic Encryption
Awarded May 30 at 10:57
Can two files/strings have the same SHA-256 value?
Awarded May 30 at 1:32
Securely sign URL using a 50 characters long key
Awarded May 29 at 2:21
Paillier cryptosystem safety
Awarded May 27 at 10:13
Difference Between an Authentication Token and an OTP (One Time Password)
Awarded May 23 at 6:31
Enigma machine rotor internal wiring question
Awarded May 20 at 3:09
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