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

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

3 votes
1 answer
3k views

GUIDs as a salt

19 votes
2 answers
3k views

Can neural cryptanalysis be applied to AES?

10 votes
3 answers
2k views

Homomorphic encryption - Why does addition not imply multiplication?

9 votes
2 answers
2k views

How did law enforcement decrypt messages of ANOM devices?

1 vote
2 answers
2k views

Hashing login and password?

18 votes
1 answer
1k views

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

1 vote
3 answers
1k views

Information-theoretic security [closed]

3 votes
1 answer
1k views

PRNG with a truly random seed?

9 votes
3 answers
984 views

Can Shor's algorithm factor multi-prime numbers?

5 votes
1 answer
794 views

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

2 votes
2 answers
792 views

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

4 votes
2 answers
552 views

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

3 votes
2 answers
381 views

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

2 votes
2 answers
287 views

Authentication without decrypting the password?

2 votes
2 answers
252 views

Whatsapp E2EE - Why scanning the QR-code?

4 votes
1 answer
248 views

Is obfuscation always reversable?

1 vote
1 answer
248 views

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

1 vote
1 answer
229 views

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

5 votes
1 answer
133 views

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

1 vote
1 answer
125 views

Frequency analysis secure language

2 votes
1 answer
125 views

Is there a rule of thumb for ZK protocols?