Cryptography

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Awarded 3603 times.
Generating a SHA256 pkcs1v1.5 Blind RSA Signature using Chaum's Blind Signature Scheme
Awarded Apr 8 at 3:10
Text cipher option that can decrypt the same ciphertext to two DIFFERENT and DESIRED outputs given DIFFERENT keys (and/or alphabet)
Awarded Apr 8 at 3:10
discrete logarithm equality for independent groups
Awarded Apr 6 at 14:22
Prod Check Gadget in PLONK - any polynomial which satisfies the prod check seems to be the trivial polynomial
Awarded Apr 6 at 11:40
Is sha3 a one-way funtion
Awarded Apr 5 at 10:47
(post deleted or otherwise unavailable)
Awarded Apr 5 at 9:27
(post deleted or otherwise unavailable)
Awarded Apr 3 at 13:33
Prove that what's running inside a black box is code that has been released publicly
Awarded Apr 3 at 12:17
PLONK Prod Check Proof - why does it have to be proven upto the last element of the set? It should be enough to prove it upto last but one element
Awarded Apr 3 at 0:33
Succinct verification of computation without ZKP
Awarded Apr 2 at 1:50
Generate encrypted files that the user (whose computer it is generated on) cannot decrypt it
Awarded Apr 2 at 1:50
How to Update Non-Membership Witness upon deletion in RSA Dynamic Universal Accumulator
Awarded Apr 2 at 1:50
Prove that what's running inside a black box is code that has been released publicly
Awarded Apr 1 at 14:05
Prove that what's running inside a black box is code that has been released publicly
Awarded Apr 1 at 9:25
Prove that what's running inside a black box is code that has been released publicly
Awarded Apr 1 at 6:32
What does the normalizing coefficient do in the Index of Coincidence?
Awarded Mar 31 at 5:26
LWE and pseudorandom functions
Awarded Mar 30 at 15:03
BLAKE2: What is the difference between the salt and the personalization?
Awarded Mar 29 at 11:00
XZ coordinates for Montgomery curves
Awarded Mar 28 at 7:55
Reducing exact SVP to exact SIVP
Awarded Mar 23 at 8:11
Garbled circuit and secret sharing
Awarded Mar 23 at 1:26
In CTR block cipher mode of operation, can I reuse the nonce with another key for encrypting another plaintext if using different counters?
Awarded Mar 21 at 17:25
How do I properly generate pkcs#12 keystore?
Awarded Mar 19 at 0:42
(post deleted or otherwise unavailable)
Awarded Mar 17 at 14:41
What is the difference between Ring Signature and Multi User Designated Verifier Signature?
Awarded Mar 16 at 19:21
LUKS: decrypting with master-key rather than with passphrase
Awarded Mar 16 at 11:05
Digital signature and salt
Awarded Mar 15 at 23:31
Quickest way to find MD5 collision
Awarded Mar 15 at 13:41
Do all numbers have all the same chances to be returned using a CSPRNG?
Awarded Mar 12 at 23:52
Time Complexity of RSA Trial Division
Awarded Mar 12 at 3:36
How can I make sure non-open source programs are really using end-to-end encryption?
Awarded Mar 10 at 23:47
Alternatives to a Vigenere Cipher
Awarded Mar 8 at 20:46
Conditional entropy between ciphertext, plaintext and the key
Awarded Mar 8 at 12:52
Why did Yubico changed U2F Key Derivation method on YubiKey?
Awarded Mar 8 at 8:04
How do Käsper and Schwabe's Bitsliced AES Mixcolumns work?
Awarded Mar 7 at 7:28
Simulation based proofs: how many simulators should be constructed?
Awarded Mar 7 at 7:28
Elliptic Curve - Divide by 2
Awarded Mar 7 at 1:27
Reference implementation of Shamir's Secret Sharing
Awarded Mar 6 at 23:57
Does authenticating fake Carter Wegman protected OTP messages consume key material at the receiving node?
Awarded Mar 4 at 12:58
Can elliptic curve (25519) be used to encrypt file?
Awarded Mar 2 at 14:02
Goldreich Levin Theorem
Awarded Feb 27 at 20:55
Is the signature in PGP compressed as well, or just the contents of the message?
Awarded Feb 22 at 20:30
Secure asymmetric encryption with 32byte ciphertext
Awarded Feb 22 at 20:08
What is the significance of the results of the NIST PQC competition?
Awarded Feb 21 at 10:26
SMCQL practical examples
Awarded Feb 21 at 8:56
Combining share decryption on Paillier threshold scheme
Awarded Feb 21 at 1:41
Showing that CPA encryption schemes cannot preserve the length of a message
Awarded Feb 20 at 6:09
How "unorthogonal" can a LLL-reduced basis be?
Awarded Feb 18 at 12:51
Fastest method of CNF equation solution verification
Awarded Feb 18 at 12:45
Concatenation in Merkle Trees
Awarded Feb 18 at 7:27
How to generate random numbers within a range (0,n) from random bits?
Awarded Feb 17 at 18:16
How to generate random numbers within a range (0,n) from random bits?
Awarded Feb 17 at 14:43
How to generate random numbers within a range (0,n) from random bits?
Awarded Feb 17 at 12:48
Conceal time-based GUIDs with an affine-cipher?
Awarded Feb 16 at 11:36
Remembering user credentials by double-hashing
Awarded Feb 16 at 7:49
How to increase Poly1305 performance?
Awarded Feb 15 at 19:41
Is a non-correlating signed identity proof possible?
Awarded Feb 14 at 16:03
RCON for AES 192 and 256
Awarded Feb 13 at 12:25
Can someone please explain RSA-OAEP in plain english mathematically?
Awarded Feb 13 at 1:05
Is there any protocol for proving that a message was written at a certain time?
Awarded Feb 10 at 6:51
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