Cryptography
Maarten Bodewes's user avatar
Maarten Bodewes's user avatar
Maarten Bodewes's user avatar
Maarten Bodewes
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37 Offered bounties for 3,100 reputation

Active Offered Earned
9 votes
1 answer
1k views
+100

Why is AES-SIV not used, but AESKW, AKW1?

5 votes
0 answers
191 views
+150

Is it possible to enhance white-box cryptography security by homomorphic encryption?

2 votes
1 answer
317 views
+50

How does padding in RSA prevent existenial forgery attacks in RSA?

2 votes
1 answer
436 views
+50

RSA small public exponent signature forgery - use part of the public key as ciphertext

3 votes
1 answer
338 views
+50

Collision finding method

3 votes
1 answer
703 views
+100

Digital Signatures with Curve25519 key-pair

7 votes
0 answers
273 views
+500

How many qubits are required to break classical Diffie-Hellman?

3 votes
0 answers
107 views
+50

Use of nonces in the SIGMA protocol and not in C(2e, 2s) of NIST SP800-56a?

2 votes
1 answer
240 views
+50

The Security of AES-N-GCM

18 votes
3 answers
2k views
+100

What is the difference between PRF and a Random Oracle?

7 votes
2 answers
1k views
+50

Is it possible to perform a meet-in-the-middle within a block cipher?

8 votes
1 answer
1k views
+100

What are the relations between cryptanalysis of block ciphers such as AES and Kendall's tau coefficient?

6 votes
2 answers
531 views
+50

DES and AES cryptography

5 votes
1 answer
2k views
+50

AES reverse Rijndael key schedule with decryption round keys

5 votes
1 answer
591 views
+50

What is this EC key derivation method called?

6 votes
1 answer
8k views
+50

Confusion and Diffusion in the AES functions

4 votes
1 answer
2k views
+50

How does openssl signature verification work?

1 vote
1 answer
2k views
+100

TLS 1.3: HKDF-Expand

16 votes
1 answer
687 views
+50

Selection of rotation constants in ARX design

8 votes
2 answers
3k views
+100

BER or DER X9.62 for ECDSA signature

11 votes
1 answer
1k views
+100

Collision resistance of hash function built on modular exponentiation

5 votes
2 answers
2k views
+50

Generation of strong primes

7 votes
2 answers
784 views
+100

Hashing list: concatenation vs prepending

16 votes
1 answer
6k views
+100

Relation between Key-exchange and Public-Key encryption schemes

4 votes
1 answer
441 views
+50

What’s the difference between a Fast wide pipe and a Narrow pipe construction?

5 votes
1 answer
3k views
+100

TLS 1.2 PRF with HMAC-SHA256

4 votes
1 answer
483 views
+100

Security effects of the seed's length in OAEP

9 votes
1 answer
2k views
+50

What is the original SKID3 protocol?

10 votes
0 answers
797 views
+100

Are there attacks against broken RSA signature pad checking with $e = 65537$?

7 votes
2 answers
470 views
+50

MAC where key is provided afterwards

1
2

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