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Maarten Bodewes's user avatar
Maarten Bodewes's user avatar
Maarten Bodewes's user avatar
Maarten Bodewes
Moderator
  • Member for 12 years, 5 months
  • Last seen this week
  • Doggerland II
1 vote
0 answers
53 views

MAC with key supplied afterwards

3 votes
1 answer
86 views

Is a signature scheme using a hash considered a hybrid cryptosystem?

0 votes
1 answer
176 views

How to compute $a$ in the complex discard method of NIST SP 800-90

8 votes
1 answer
757 views

Point-at-infinity and error handling

11 votes
2 answers
4k views

Should HMAC-SHA3 be preferred over H(C(k,M))?

6 votes
1 answer
2k views

Normalization of points on an Elliptic Curve

19 votes
3 answers
11k views

Modes of operation that allow padding oracle attacks

4 votes
1 answer
3k views

Streaming hash function

5 votes
1 answer
744 views

What's the difference between DH and DHM?

7 votes
2 answers
473 views

MAC where key is provided afterwards

6 votes
1 answer
768 views

Advantages of RSA / EC against QC attacks

10 votes
1 answer
5k views

What is the algorithm behind PasswordDeriveBytes?

5 votes
1 answer
881 views

Can MGF1 within OAEP and PSS be replaced by a XOF?

5 votes
1 answer
4k views

What are the differences between X9.31 RSA operation and PKCS#1 RSA operation?

4 votes
1 answer
464 views

Performing HMAC with random key before MAC comparison

3 votes
0 answers
2k views

Cryptography behind the Turing Imitation Key (TIK)

4 votes
1 answer
577 views

Exposed raw RSA private key operation

8 votes
2 answers
1k views

Given enough RSA ciphertext, is it possible to determine which key was used?

6 votes
1 answer
225 views

Streaming mode of operation that is more resistant against nonce reuse

9 votes
1 answer
964 views

Side channel security of HMAC in software

4 votes
1 answer
3k views

Whitening and randomness extraction

7 votes
2 answers
595 views

Turning a 64 bit block cipher into a 128 bit block cipher

4 votes
1 answer
3k views

Finding public exponent e

3 votes
1 answer
636 views

How does ccrypt work?

1 vote
0 answers
407 views

CAST-256 (CAST6) versions or S-Boxes

3 votes
1 answer
1k views

What is the use of segments in Cipher Feedback Mode (CFB)

0 votes
0 answers
221 views

NRPAD and FPAD padding schemes (Korean Seed?)

1 vote
1 answer
107 views

HMAC_DRBG Generate Process: requesting N bytes at once different from requesting N bytes in total?

2 votes
1 answer
460 views

Bit padding instead of PKCS#5 padding

1 vote
0 answers
334 views

Are partial hashes used in cryptographic protocols?