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AleksanderCH's user avatar
AleksanderCH's user avatar
AleksanderCH
  • Member for 7 years, 4 months
  • Last seen this week
  • Switzerland
19 votes
2 answers
3k views

Can neural cryptanalysis be applied to AES?

18 votes
1 answer
1k views

Crypto AG (Switzerland) - Which algorithms were used and how did the backdoors work?

19 votes
4 answers
3k views

Are encryption algorithms with fixed-point free permutations inherently flawed?

9 votes
2 answers
2k views

How did law enforcement decrypt messages of ANOM devices?

9 votes
3 answers
993 views

Can Shor's algorithm factor multi-prime numbers?

4 votes
2 answers
557 views

When does multiple OTP encryption become insecure if new keys are permuted? ​

1 vote
1 answer
255 views

Are there any classical proven secure cryptographic algorithms other than OTP? [duplicate]

3 votes
2 answers
387 views

Have there been efforts to prevent length extension attacks of hashing algorithms that are based on the Merkle–Damgård construction?

5 votes
1 answer
135 views

What are the uses of arbitrary length output hashes (other than OAEP)?

1 vote
1 answer
229 views

Is a hashing algorithm considered broken if a collision happens under $2^{n/2}$?

2 votes
2 answers
296 views

Authentication without decrypting the password?

10 votes
3 answers
2k views

Homomorphic encryption - Why does addition not imply multiplication?

2 votes
1 answer
127 views

Is there a rule of thumb for ZK protocols?

5 votes
1 answer
805 views

Is the practice of "security through obscurity" violating Kerckhoffs's second principle?

3 votes
1 answer
3k views

GUIDs as a salt

2 votes
2 answers
794 views

Optimal bit-change-probability of the avalanche effect for hashes

1 vote
1 answer
129 views

Frequency analysis secure language

2 votes
2 answers
254 views

Whatsapp E2EE - Why scanning the QR-code?

3 votes
1 answer
1k views

PRNG with a truly random seed?

4 votes
1 answer
251 views

Is obfuscation always reversable?

1 vote
2 answers
2k views

Hashing login and password?

1 vote
3 answers
1k views

Information-theoretic security [closed]