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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, 6 months
  • Last seen this week
  • Doggerland II
99 votes
1 answer
169k views

What is the difference between PKCS#5 padding and PKCS#7 padding

36 votes
2 answers
27k views

Practical disadvantages of GCM mode encryption

30 votes
2 answers
23k views

Which attacks are possible against raw/textbook RSA?

25 votes
2 answers
15k views

Is RSA encryption with a private key the same as signature generation?

19 votes
3 answers
11k views

Modes of operation that allow padding oracle attacks

21 votes
1 answer
9k views

Reasons for Chinese SM2 Digital Signature Algorithm

12 votes
1 answer
6k views

Cryptographic security of PHP mt_rand() function using Mersenne Twister algo

5 votes
2 answers
5k views

How to specify a NIST SP 800-108 KBKDF

16 votes
1 answer
5k views

Security of KDF1 and KDF2 (hash based KDF's)

12 votes
1 answer
5k views

Sending KCV (key check value) with cipher text

10 votes
1 answer
5k views

What is the algorithm behind PasswordDeriveBytes?

4 votes
1 answer
4k views

RSA key pair generation using PRNG with same seed

5 votes
1 answer
4k views

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

7 votes
2 answers
4k views

How to create an EC point from a plaintext message for encryption

11 votes
2 answers
4k views

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

13 votes
2 answers
3k views

Validating an RSA public key

8 votes
2 answers
3k views

BER or DER X9.62 for ECDSA signature

7 votes
3 answers
3k views

Formal description of KDF1 and KDF2

9 votes
1 answer
3k views

Does perfect forward secrecy (using DH or ECDH) imply quantum resistance?

28 votes
1 answer
3k views

What is hardened SHA-1, how does it work and how much protection does it offer?

4 votes
1 answer
3k views

Streaming hash function

4 votes
1 answer
3k views

Whitening and randomness extraction

15 votes
2 answers
3k views

Given enough RSA signature values, is it possible to determine the public key value?

4 votes
1 answer
3k views

Finding public exponent e

9 votes
1 answer
2k views

What are the constraints on using GCM with a tag size of 96 and 128 bits?

11 votes
1 answer
2k views

How random is the shared secret in the Diffie Hellman key agreement

2 votes
2 answers
2k views

Preferred SHA-2 hash algorithm for MGF1 in RSA

2 votes
1 answer
2k views

EAX: OMAC and CMAC

5 votes
2 answers
2k views

What is the difference between data compression and compression in cryptographic algorithms?

9 votes
1 answer
2k views

Practical uses of Manipulation Detection Code (MDC) and IGE