User AleksanderCH

19 votes

4 answers

3k views

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

asked Feb 20, 2019 at 15:27

3 votes

1 answer

3k views

GUIDs as a salt

asked Oct 16, 2018 at 11:27

19 votes

2 answers

3k views

Can neural cryptanalysis be applied to AES?

asked Feb 18, 2019 at 12:34

10 votes

3 answers

2k views

Homomorphic encryption - Why does addition not imply multiplication?

asked Dec 29, 2018 at 13:57

9 votes

2 answers

2k views

How did law enforcement decrypt messages of ANOM devices?

asked Jun 9, 2021 at 15:56

18 votes

1 answer

1k views

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

asked Feb 12, 2020 at 10:55

1 vote

3 answers

1k views

Information-theoretic security [closed]

asked Apr 26, 2018 at 9:15

1 vote

2 answers

1k views

Hashing login and password?

asked May 4, 2018 at 9:19

3 votes

1 answer

967 views

PRNG with a truly random seed?

asked Sep 4, 2018 at 8:38

8 votes

3 answers

932 views

Can Shor's algorithm factor multi-prime numbers?

asked Apr 23, 2019 at 9:30

2 votes

2 answers

767 views

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

asked Oct 5, 2018 at 9:27

4 votes

1 answer

723 views

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

asked Sep 26, 2018 at 13:51

4 votes

2 answers

528 views

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

asked Mar 11, 2019 at 13:46

3 votes

2 answers

366 views

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

asked Apr 3, 2019 at 11:33

2 votes

2 answers

265 views

Authentication without decrypting the password?

asked Jan 25, 2019 at 17:35

2 votes

2 answers

248 views

Whatsapp E2EE - Why scanning the QR-code?

asked Sep 7, 2018 at 16:20

4 votes

1 answer

240 views

Is obfuscation always reversable?

asked Jul 10, 2018 at 15:54

1 vote

1 answer

227 views

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

asked Feb 13, 2019 at 15:23

1 vote

1 answer

220 views

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

asked Jun 20, 2019 at 13:52

5 votes

1 answer

125 views

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

asked Mar 1, 2019 at 14:02

2 votes

1 answer

121 views

Is there a rule of thumb for ZK protocols?

asked Dec 7, 2018 at 13:38

1 vote

1 answer

116 views

Frequency analysis secure language

asked Sep 8, 2018 at 20:32

Stack Exchange Network

22 Questions

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

GUIDs as a salt

Can neural cryptanalysis be applied to AES?

Homomorphic encryption - Why does addition not imply multiplication?

How did law enforcement decrypt messages of ANOM devices?

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

Information-theoretic security [closed]

Hashing login and password?

PRNG with a truly random seed?

Can Shor's algorithm factor multi-prime numbers?

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

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

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

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

Authentication without decrypting the password?

Whatsapp E2EE - Why scanning the QR-code?

Is obfuscation always reversable?

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

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

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

Is there a rule of thumb for ZK protocols?

Frequency analysis secure language