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1 vote
1 answer
65 views

How does the security of AES change if we allow multiple uses in a row? How does it change if we limit the key space? And introduce a filter function?

5 votes
2 answers
181 views

In a PGP like Application , would compress and encrypt leak information

1 vote
1 answer
158 views

Chosen-plaintext attact on AES with MixColumns omitted

30 votes
4 answers
23k views

How cryptographically secure was the original WW2 Enigma machine, from a modern viewpoint?

3 votes
1 answer
128 views

A modern rotor machine, could it be any safe?

3 votes
1 answer
88 views

Why is the best way to solve LWE (and Cryptographic related Systems) with SVP (approx)?

1 vote
1 answer
71 views

Significance of theoretical weaknesses?

0 votes
1 answer
87 views

Some misunderstanding on the Security Proof with Oracle

2 votes
2 answers
358 views

What is the current security level of an algorithm?

1 vote
1 answer
83 views

What are the best known cryptanalytic attacks against AES-128 with 9 rounds?

1 vote
0 answers
46 views

By using a block cipher multiple times in a row is a 128-bit BC as secure as a 256-bit BC which uses his 128-key only as part of the message?

1 vote
1 answer
114 views

Why does differential cryptanalysis always start from the last round?

5 votes
0 answers
220 views

How the mimc bug from circomlib was safely exploited in practice?

1 vote
1 answer
212 views

Best attack estimates on AES

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