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7 views

Difference between $[[\cdot]]$ and $\langle \cdot \rangle$ notation used in the original SPDZ paper?

JAAAY
  • 671
0 votes
2 answers
222 views

Prove that (m1 ⊕ m2) = ek(m1) ⊕ ek(m2) for a 8-bit blocks i/p encryption system

Unknown
  • 1
0 votes
0 answers
9 views

Exchange key and input in GGM tree

rahul yadav
  • 1
0 votes
1 answer
21 views

Verifying Password Using Argon2

DannyNiu
  • 7,103
10 votes
2 answers
8k views

How can an S-Box be reversed?

SwissSuanpan
  • 1
8 votes
2 answers
1k views

Validating an RSA public key

fgrieu♦
  • 126k
4 votes
3 answers
156 views

Why is AES better than one-time pad?

Paul Uszak
  • 14k
2 votes
0 answers
52 views

Are digital signatures a type of zero-knowledge proof?

knaccc
  • 3,807
3 votes
2 answers
266 views

Error-Correction capabilities of encryption?

CommunityBot
  • 1
0 votes
2 answers
45 views

computationally unbounded strategy of prover in zero knowledge proofs

ckamath
  • 4,568
3 votes
0 answers
60 views

Building 256-hash function from 128-bit hash function

Tom
  • 1,021
0 votes
0 answers
28 views

How exactly are the consensus mechanisms programmed in blockchain? [closed]

Tereza Tizkova
  • 101
2 votes
1 answer
74 views

Commutable and Composable Asymmetric Encryption/Decryption

poncho
  • 134k
0 votes
1 answer
40 views

Security of 128-bit hash function with salt

Titanlord
  • 1,672
2 votes
1 answer
33 views

exact meaning of ntup in dieharder tests

Maarten Bodewes♦
  • 86.5k
0 votes
0 answers
19 views

Multiple input AND/OR gate evaluation

alexander
  • 107
0 votes
0 answers
34 views

Secure storage of encryption key in offline device

BenjaminK
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1 vote
0 answers
34 views

Requirements for KDF and randomness extractor

Tom
  • 1,021
0 votes
1 answer
38 views

Reduce AES-CTR malleability impact by shuffling plain text

Eugene Styer
  • 1,541
4 votes
2 answers
5k views

SHA-256 Reversing A String of Equal Length

Maarten Bodewes♦
  • 86.5k
1 vote
1 answer
58 views

Alzette ARX round constants

LightBit
  • 1,352
0 votes
0 answers
22 views

How does Bitcoin compute the 10min average? [migrated]

kaisong15 at proton me
  • 1
0 votes
0 answers
8 views

meaning of "zero-padding and split" procedure in HEAAN-RNS

xuann6
  • 1
1 vote
1 answer
61 views

Can the Skein hash function family be used to do authenticated encryption with associated data?

CommunityBot
  • 1
2 votes
1 answer
70 views

what is IV predictable?

fgrieu♦
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0 votes
0 answers
58 views

Is Index Calculus Attack on hyperelliptic curves feasible with a common laptop?

Rodrigo de Azevedo
  • 161
1 vote
1 answer
39 views

Why we need to consider a probability ensemble and not just a probability distribution in the definition of Security under Simulation?

CommunityBot
  • 1
1 vote
1 answer
27 views

Create RSA Public/Private Keys with OID rsassaPss

Christopher King
  • 111
2 votes
1 answer
106 views
+50

The significance of rewinding a simulation in an ZK interactive proof

knaccc
  • 3,807
1 vote
1 answer
121 views

What kind of assumptions usually go into the design of block ciphers?

CommunityBot
  • 1
0 votes
0 answers
34 views

Semantically secure RSA with Multiplicative Homomorphism

Maarten Bodewes♦
  • 86.5k
3 votes
2 answers
2k views

How are these AES MixColumn multiplication tables calculated?

Glorfindel
  • 421
1 vote
0 answers
27 views

Generate encrypted files that the user (whose computer it is generated on) cannot decrypt it

MCo1992
  • 11
0 votes
0 answers
27 views

Is it possible to find a message whose RSA encryption has some predefined prefix?

Bean Guy
  • 521
2 votes
1 answer
67 views

How does this libgcrypt elgamal decryption work?

knaccc
  • 3,807
0 votes
0 answers
32 views

How can I decrypt in a distributed network?

Elliot Solskjaer
  • 217
1 vote
1 answer
211 views

Are there cryptographical flaws in this e2ee website chat widget?

CommunityBot
  • 1
4 votes
2 answers
368 views

Why does Learning With Errors require a bunch of samples?

Myath
  • 803
0 votes
0 answers
41 views

Commit and prove

Kydon
  • 1
2 votes
1 answer
53 views

Interactive Proofs: Why $\delta \lt \frac 13$ for Soundness & Completeness?

ckamath
  • 4,568
0 votes
1 answer
91 views

DecryptNode for non-leaf Node in CP-ABE

CommunityBot
  • 1
3 votes
1 answer
374 views

What asymmetric encryption to use that is safe against quantum computers?

kelalaka
  • 44.2k
0 votes
1 answer
27 views

Crypto++ Multiplicative inverses do not reciprocate in ModularArithmetic group

poncho
  • 134k
0 votes
0 answers
16 views

Cryptographic functions as feature map/kernel function?

Omar Shehab
  • 151
0 votes
2 answers
95 views

How to know if a power is a permutation of an inverse group?

Ievgeni
  • 2,191
1 vote
1 answer
107 views

Bactracking resistance PRNG - real world usage

Maarten Bodewes♦
  • 86.5k
0 votes
0 answers
25 views

Hash function adapted to work as bactracking resistant PRNG

Tom
  • 1,021
1 vote
1 answer
23 views

Security Goal Indistinguishability

Titanlord
  • 1,672

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